PROVOXr Process Management System Master Glossary This manual defines terms used in PROVOX documentation to date. From time to time, the glossary is updated to add new terms. D2R01481002 Technical Reference TR4.0:PROVOX Revision A — April 1997 This manual supercedes the issue dated March 1991.
ConfiguWrite, DOCVUE, ENVOX, FIELDVUE, Fisher-Rosemount, Fisher-Rosemount Systems, Instrument Information System, Managing the Process Better, microPROVOX, RS3, PROFLEX, PROVOX, PROVUE, and ValveLink are marks of one of the Fisher-Rosemount group of companies. All other marks are the property of their respective owners. ã Fisher-Rosemount Systems, Inc. 1991, 1997. All rights reserved.
Your Evaluation Please . . . Name: Title and Department: Company: Years of Experience: ___ Instrumentation ___ Distributed Control Telephone: ( ) -- Education: ____High School ____Years College ____Degree Job Responsibility: Please indicate your evaluation of TR4.0:PROVOX (Revision A — April 1997). Attach extra sheets if needed. 1. How and when do you use this manual? 2. How well is the manual’s content organized? Please explain.
5. Describe the amount of usable information in this manual including tables. Please explain. V Too much information — not all required to perform task V Proper amount provided — not too much nor too little V Too little information — needed additional information to perform task V No Opinion Sections 6. How well is information cross-referenced in the manual’s individual sections and index? Please explain. 7. How useful is the Glossary? 8.
Documentation Map Documentation Map PROVOXr Library This map shows the location of the Master Glossary in the documentation catalog set for PROVOX products. The number, title, and binder location are shown for each document, identifying where specific information is located. See the descriptions on the back of this map for more information. Appendix A lists additional related documentation.
Documentation Map PROVOXr documentation supports each stage of system development. System Development Stages Document Type & Contents System Design Configuration Engineering Manuals Configuration data-entry help for a product, including theory of operation for improved product use. User Manual for Configuration Products Operating methods and procedures for using the configuration software. Technical Reference Manuals Advanced user information for expanding the capability of the PROVOX system.
PROVOXr Process Management System Master Glossary Contents Section/Title 1 Page Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Structure of this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Manual Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Introduction 1-1 Figure 1-Table 1 1 1 Introduction This document lists terms, definitions, acronyms, and abbreviations used in describing products associated with PROVOXr Process Management systems. 1.1 Intended Audience This manual is intended as a reference for persons who install, engineer, use, and maintain the Fisher-Rosemount Systems line of PROVOX Process Management products. 1.
1-2 Introduction 1.3 Manual Conventions This manual uses the following conventions: 1 J J 1.4 Revision Control — The title page lists the printing date of this manual. The versions of the product this manual covers are listed in Appendix A. References — References to other documents include the name (and catalog number) for Fisher-Rosemount Systems manuals.
Master Glossary of Terms and Symbols 2-1 Figure 2-Table 2 2 Master Glossary of Terms and Symbols This master glossary contains the definitions of terms, acronyms, abbreviations, and symbols that you find in PROVOXâ Process Management System documentation. Periodically, the glossary is revised to add terms that are defined as PROVOX system enhancements are released.
2-2 Master Glossary of Terms and Symbols Terms @aGlance/IT 2 An Intuitive Technology Corporation software product that enables third-party client/server software development. ABINT Acronym: Allen-Bradley Interface abort Operator request to discontinue a procedure (recipe). Abort does not stop the operation the controller is currently running. An aborted procedure cannot be RETRYed.
Master Glossary of Terms and Symbols ACK Abbreviation: Acknowledge acknowledge (ACK) To respond to an alarm or other indicator of an unusual condition. Operators of PROVOXr systems can acknowledge alarms themselves. Optionally, in many situations, the system can acknowledge alarms automatically. ACQ Abbreviation: Acquire acquire The act of gaining control of a piece of equipment needed in a recipe. acquire set A list of unit point tags that a recipe references during execution.
2-4 Master Glossary of Terms and Symbols adaptive gain 2 1. A type of primary control algorithm which allows the proportional gain to change based on the value of an analog signal, a discrete signal, the process variable, the implied valve position, or the process error. (The process error is the difference between the PV and SP values.) 2. A characteristic of a controller in which one or more of its tuning parameters are automatically adjusted to compensate for process non-linearities.
Master Glossary of Terms and Symbols alarm (ALM) 1. A console indicator of an unusual condition. 2. An area on the Operator Workstation (OWP) console’s main window. 3. Part of a process control strategy developed for a collection of equipment. alarm banner In an RS3r system, the line of information that appears at the bottom of the screen when an alarm occurs and the console is in alarm banner mode. 2-5 alert 1. A flag similar to an alarm available only on Smart Device Output Card channels.
2-6 Master Glossary of Terms and Symbols alias template 2 A set of names assigned to point types as part of a UOC configuration. Point types that are common to more than one unit point may be assigned generic names such as Pump or Outlet Valve. When a point type is defined in an alias template it can be referenced in a unit operation using its generic name instead of its actual point tag. This allows a user to write an operation which can run on multiple unit points.
Master Glossary of Terms and Symbols analog input (AIN) instruction An AIN instruction in a FST step sets the percent signal value (SPV) output equal to the value at the address specified by the Input Location. The SVP output is in percent format, or zero if the card is bad. See Function Sequence Table (FST). 2-7 annotation Text the user can add to supplement the text provided with the on-line help system. ANOVA Abbreviation: Analysis of Variance ANSI analog output (AO) A PROVOXr point type.
2-8 Master Glossary of Terms and Symbols application module arithmetic logic unit (ALU) application software library (ASL) arithmetic processing unit (APU) The hardware device that controls the licensing for the Operator Workplace Software. 2 A library of low-level routines internal to Fisher-Rosemount System’s application software products. application window The window containing the work area and menu bar for the Intelligent Sensor Toolkit program, or for another application.
Master Glossary of Terms and Symbols ASCII 1. Acronym: American Standard Code for Information Interchange 2. A standard digital encoding scheme for data: a 7-bit binary code represents numbers, letters, symbols, and control codes. 3. A PROVOXr point type. An ASCII point contains a single real value, referenced by the setpoint attribute, and an 80-character ASCII string.
2-10 Master Glossary of Terms and Symbols attributes data 2 Qualitative data counted for recording and analysis. This data comes from yes/no or pass/fail determinations of whether the unit conforms to acceptable standards. audit trail A record of changes made to the ENVOXr database and to the system where the database resides. The record includes the type of change, when the change was made and who made it. AUI AutoLISP A version of the LISP programming language supplied with AutoCAD software.
Master Glossary of Terms and Symbols auxiliary function parameter (AFP) A special tuning parameter for certain FST functions. An AFP appears on the detail display as a detail display parameter (DDP) for a direct control point (DCP). average The sum of values divided by the number of values: designated by a bar over the symbol for the values being averaged: for example, X-Bar is the average of the X values within a subgroup while X-Bar-Bar is the average of subgroup averages.
2-12 Master Glossary of Terms and Symbols Basic or BASIC 2 Beginner’s All-purpose Symbolic Instruction Code: a high-level computer language used primarily in teaching and simple programming for business or engineering. BASIC was specifically designed to be easy to learn and simple to use. basic data acquisition system (BDAS) The portion of a PROVOXr console that requests and collects data from the various other devices in the system. See EDAS.
Master Glossary of Terms and Symbols batch formalism A comprehensive method of control analysis that deals with the complex characteristics and special control considerations of batch and sequence control. batch process actions Actions performed by a unit on raw materials to produce a product. These actions are defined by the recipe and are separated into levels: processes, operations, phases, and control steps.
2-14 Master Glossary of Terms and Symbols begin time The time represented by the left vertical axis of the plot area. 2 The Begin Time can be aligned with a sample in the historical data file permitting multiple traces with different sample times or rates to be aligned for comparison. Begin Times may be entered when adding a trace or by the Data Historian’s ChangeTime function. Begin Times are increased or decreased using the Forward or Backward functions, respectively. Bell 202 A U.S.
Master Glossary of Terms and Symbols block An AutoCAD term for a graphic or informational data component; a set of entities grouped together into a compressed object, a symbol. .bmp file A bitmap file under Windows and OS/2. BNC An industry-standard term and acronym for a type of connector for coaxial cable that is frequently used for a variety of applications in PROVOXâ systems.
2-16 Master Glossary of Terms and Symbols bus A general term for a group of signal lines to be considered together, as in a data bus or address bus. The data highway of a PROVOXr system is such a bus. 2 button A button on a mouse or trackball — shown as one of the following figures: primary (usually left) button middle button secondary (usually right) button byte A sequence of binary digits (bits) treated as an entity.
Master Glossary of Terms and Symbols cascade control A control technique that uses the output of one control loop (in AUTO or MAN mode) as the setpoint for another control loop (in RSP mode). cascade menu Also known as a pull-right menu. A submenu providing selections that expand the parent selection on a pull-down or pop-up menu. CCITT Acronym: Comite Consultatif International pour Telephonie et Telegraphie, or International Consultative Committee for Telephony and Telegraphy.
2-18 Master Glossary of Terms and Symbols CFOC Acronym: Custom Format Operator’s Console 2 CHAN Abbreviation: Channel change in error The difference between the value of current error and the error at last scan period. An input variable for a fuzzy logic controller noted by the symbol ∆e. change in output An output variable of a fuzzy logic control algorithm that determines the amount of change in control action. Noted by the symbol ∆u.
Master Glossary of Terms and Symbols CJC Acronym: Cold Junction Compensator class A group of G2 objects that have the same attributes. For example, all sensors are of the class sensor. Classes are organized into a hierarchy in which each class inherits the attributes of its superior class, but may have additional attributes of its own. See Hierarchy of Classes and Superior Class. click To press and release a mouse button (usually the primary mouse button) while the pointer is in a particular location.
2-20 Master Glossary of Terms and Symbols COM Abbreviation: Computer Mode 2 COMM Abbreviation: Communications comma delimited values (CDV) common cause An inherent source of variation affecting the individual values of process output. Common cause appears as part of the random process variation during control chart analysis. common-practice commands An ASCII version of configuration data. The configuration data are in a specific order, separated by commas.
Master Glossary of Terms and Symbols complimentary metal oxide semiconductor (CMOS) A family of digital integrated circuits that use transistors operating in a push-pull mode to carry out logic functions. A CMOS usually is capable of low-powered operation. Computer/Highway Interface Package (CHIP) A PROVOXr software product that allows user-written programs to interact with the PROVOX system. There are different CHIP versions, so that several types of computers can be the host computer.
2-22 Master Glossary of Terms and Symbols CONFIG Abbreviation: Configuration configuration (CONFIG) 2 connection A connection between neurons shows that the output of the predecessor neuron is sent to be one of the inputs to the successor neuron. Connections are only one way. 1. Giving instructions and supplying reference information to the controllers and other devices that compose a process control instrumentation system. consecutive 2.
Master Glossary of Terms and Symbols continuous variable A variable assuming a range of values. control algorithm A mathematical representation of a control action to be performed. control (of process)/(statistical) The process is in statistical control if it exhibits only random variations rather than systematic variations and/or variations with known causes. ControlBlock A computational block in an RS3 system that performs calculation, algorithms, and logic functions.
2-24 Master Glossary of Terms and Symbols control mode 2 Valid control modes for a control loop include manual (MAN), automatic (AUTO), remote setpoint (RSP). supervisory (SUP), direct digital control (DDC), and computer (COM). control recipe A recipe in the console memory with a specific batch ID, which through its execution, coordinates the production of a single batch of the specified product. This recipe may contain operator or system-generated information.
Master Glossary of Terms and Symbols CRC Acronym: Cyclic Redundancy Check CRI 2-25 current to pressure transducer (I/P) An electric component or device that converts a milliamp DC signal to a proportional pneumatic pressure output signal. Acronym: Control Room Instrumentation 2 cursor critical gain The gain of a proportional controller required to produce oscillations of a constant amplitude in a process variable.
2-26 Master Glossary of Terms and Symbols cyclic redundancy check (CRC) 2 1. A method of error detection in data transmission and data storage. The check evaluates both the number of ones and zeroes in a block (parity) and the position of the values in the block. 2. An error-checking technique in which a checking number is generated by a complex succession of bit shift and exclusive-OR operations on each character of a message. CRC-16 is one of several standard check algorithms.
Master Glossary of Terms and Symbols data highway A data communications network for a limited area that functions as a logical highway token bus. In a PROVOXr Highway II communications system, there are three types of highways: Network Highway II, Bridge Highway II, and Local Highway II. 2-27 data seek An event in a G2 system where a rule, procedure, table, or some other facility requires a value of a variable whose validity interval has expired.
2-28 Master Glossary of Terms and Symbols DBND Abbreviation: Deadband DCU Acronym: Data Concentrator Unit (same as data concentrator) dc 2 Acronym: direct current DDC Acronym: Direct Digital Control DC 1. Acronym: Data Concentrator 2. Acronym: Direct Current DCD Acronym: Discrete Control Device DCD template A collection of as many as 16 setpoints defined for a DCD point during configuration.
Master Glossary of Terms and Symbols dead-time The time interval in which no process change occurs following a change in a manipulated or disturbance variable for a process. Dead-time is one of the most difficult dynamic characteristics for a feedback controller to handle. Feed-forward control or model-based compensators are often required to adequately control dead-time dominant processes.
2-30 Master Glossary of Terms and Symbols demodulation In the HART protocol, the process of recovering the original information at the receiver. 2 See Modulation. derivative action Another name for derivative control action. derivative (rate) control action (D) Control action in which the change in the output signal is proportional to the first time derivative (rate of change) of the input signal. Rate action is another name for derivative control action.
Master Glossary of Terms and Symbols deviation Usually, the difference between setpoint and process variable. More generally, a departure from a desired or expected value or pattern. deviation alarm An alarm that signals a specified amount of difference exists between two monitored values; usually the process variable and the setpoint. In PROVOXr systems, the A alarm is the deviation alarm. device A piece of electronic hardware that performs one or more prescribed functions.
2-32 Master Glossary of Terms and Symbols DIGCOMM Abbreviation: Digital Communication 2 This remote detail display parameter (DDP) attribute, 236:DIGCOMM, allows the user who has configured the Loss Of Digital Communications smart error state as WARNING to see the condition of the digital communication when a point indicates that a warning has occurred. See Smart Error State (SES). digital A term applied to a signal or device that uses binary digits to represent continuous values or discrete states.
Master Glossary of Terms and Symbols direct current (DC or dc) A flow of current in only one direction (as opposed to alternating current) in an electric circuit. direct digital control (DDC) A loop control mode: a process-control computer or a computer program, a unit point, or a logic control point directly sets the output of a control loop. direct memory access (DMA) A method of directly transferring data in and out of memory.
2-34 Master Glossary of Terms and Symbols diskette 2 A magnetic storage medium with 1.4 megabytes (or 740 kilobytes) of data capacity contained on a platter in a thin, 3.5-inch or 5.25-inch square plastic case. Also called a floppy disk. DISPTEXT The default text style of the Graphics Toolkit software AutoCAD utilities. This text style simulates as closely as possible the text on the PROVUEr console.
Master Glossary of Terms and Symbols DM Acronym: Discrete Monitor download 1. To transfer configuration instructions and reference information from a configuration device to other devices of a process control system. DMA 2. For ENVOXr software: moving configuration instructions and reference information from the configuration database to other devices in the control system. DMC 3. For Recipe Manager software: converting the recipes into procedures and moving them into the ENVOX database.
2-36 Master Glossary of Terms and Symbols drop cable DT/DVC drop-down list DTE The cable that connects a highway device and the cable tap. 2 Appears in dialog boxes initially as a rectangular box with the current selection shown and an arrow in a square box to its right. When the arrow is selected, a list of available choices appears. A choice or type can be selected. DRVR Abbreviation/acronym: I/O Driver DSE ENVOXr threaded binary file.
Master Glossary of Terms and Symbols DXFIN The AutoCAD command that imports a DXF file into AutoCAD. DXFOUT The AutoCAD command that exports an AutoCAD drawing to a DXF file. DXFTOPDF This Graphics Toolkit utility that converts DXF format file. DXFTOUDF The Graphics Toolkit utility that converts DXF files to UDF files. dynamic link library (DLL) A piece of executable code that acts as a run-time function library for programs.
2-38 Master Glossary of Terms and Symbols Electronic Industries Association (EIA) 2 A group of electronic manufacturers that creates industry standards for communication between electronic devices. Among these standards are RS-232 and RS-449. electrostatic damage (ESD) Deterioration of integrated circuits due to high levels of static electricity. Symptoms of ESD include degradation of performance, device malfunction, and complete failure.
Master Glossary of Terms and Symbols enhanced pulse count input (EPCI) A PROVOXr point type. An EPCI point reads a series of electronic pulses or switch closures as an unsigned, 16-bit integer value, then calculates accumulation and rate values. ENVOXr software A Fisher-Rosemount Systems’ line of configuration products for PROVOX systems. The use of a third-party relational database is the principle distinguishing feature of configuration with ENVOX software.
2-40 Master Glossary of Terms and Symbols ERR Abbreviation: Error 2 error The value of PV -- SP, or the difference between the setpoint and the process variable. An input variable for a fuzzy logic controller noted by the symbol e. error signal In a closed loop, the difference between the actual value of a particular signal and its desired value (usually PV and SP).
Master Glossary of Terms and Symbols EWMA Acronym: Exponentially Weighted Moving Average exception A type of unsolicited reporting: the reporting device sends a value only if the sample period has expired and the value has changed significantly since the last transmission. exclusive OR (XOR) A logical combination function of two values such that if one or the other, but not both, of the values is true (0 and 1), then the result is true (1).
2-42 Master Glossary of Terms and Symbols extended ac2 2 A multiplexer point type that monitors signals associated with Fisher-Rosemount Systems’ ac2 100 instrumentation, and also allows an operator of a console or other PROVOXr highway device to adjust the ac2 instrument setpoint value. See ac2.
Master Glossary of Terms and Symbols feedback Describes a process in which the effect of an output (or the output itself) is fed back to the process and used to improve the control of future outputs. A feedback controller is one in which the manipulated variable effects the controlled variable through output feedback. The controller manipulates an output to drive the PV towards setpoint. Feedback can be positive or negative, however, positive feedback is inherently unstable.
2-44 Master Glossary of Terms and Symbols file A collection of related computer information or data records identified for storage on a hard disk or diskette. 2 file-card-channel:attribute (F-C-C:A) The syntax for the file, card, and channel address of a signal source or destination for PROVOXr points must be separated by a dash with no spaces between, followed by a colon and point attribute, if applicable. file handle A DOS and Windows term for a pointer to an open file.
Master Glossary of Terms and Symbols fixed program memory Memory that is occupied by programs scheduled to run at system startup and that remain resident within system memory after startup. Memory occupied by these programs is subtracted from the total system memory present when calculating memory requirements for application software programs, since it is always in use, and is therefore fixed. FL PROFLEXr display file format. flex point See Multivariable Point. floating-point 1.
2-46 Master Glossary of Terms and Symbols Fortran/FORTRAN 2 Formula Translation: a high-level, procedure-oriented computer language designed for the solution of mathematical and logical problems. The principal use of FORTRAN is in engineering and scientific programming. four-bit discrete A PROVOXr point type containing a mix of input and output and generated by the multiplexer (MUX), data concentrator unit (DCU) or programmable controller interface unit (PCIU).
Master Glossary of Terms and Symbols friction rollers Rubber rollers that move paper through the printer. frozen tags A special status that can be applied or removed to all editable tags. FSK Acronym: Frequency Shift Keying, phase coherent FST Acronym: Function Sequence Table FTIM Acronym: Filter Time Constant FUDGE Acronym: Fisher Universal Documentation Graphics Editor full duplex communication Simultaneous transmission in both directions over a communications channel.
2-48 Master Glossary of Terms and Symbols FWD Abbreviation: Forward 2 G2 A real-time expert system developed by Gensym Corporation. G2 attribute table general configuration Includes editing job information, adding or deleting user defined columns, creating/changing unit sets, editing form names, merging form logos and forms customization.
Master Glossary of Terms and Symbols GPF Acronym: General Protection Fault GPIB Acronym: General Purpose Interface Bus 2-49 graphics server The Intelligent Sensor Toolkit uses the Pinnacle Publishing, Inc.’s Graphics Server DLL for displaying charts. If the graphics server icon appears on the main window screen, and the Intelligent Sensor Toolkit is not running, simply delete the group. grade A variation of the recipe formula values that produces a unique product.
2-50 Master Glossary of Terms and Symbols group template 2 A collection of setpoint values defined for a group point. For each group setpoint, the group template specifies a unique combination of setpoints for the individual DCDs which are subordinate to the group point.
Master Glossary of Terms and Symbols hardcoded A type of intelligent sensor function sequence table (FST) for a PROVOXr system. All types of exported intelligent sensors except parameterized FSTs are hardcoded. Hardcoded means that the scaling factors, limits, and weights are unchangeable constants in the program. The only way to change one of these constants is to overwrite the program with another version of the program.
2-52 Master Glossary of Terms and Symbols hertz Unit of frequency measurement in cycles per second (cps). 2 Hewlett-Packard A manufacturer of mini- and microcomputer systems. PROVOXr custom, batch, and large database consoles use the HP1000E series CPU and the custom computer uses the HP1000F series CPU. Hewlett-Packard interface bus An interconnection protocol used by Hewlett-Packard when describing the interface used with the HP7906H disk drive unit in the Type DC6541 Console Disk Unit.
Master Glossary of Terms and Symbols highway See Data Highway or PROVOX Highway II. Highway Addressable Remote Transducer (HART) The international standard protocol by the HART Communication Foundation for analog communication with smart devices in process industries. Highway Data Link (HDL) A device that serves as a communications interface between a host computer and other devices of a PROVOXr instrumentation system over the system’s data highway.
2-54 Master Glossary of Terms and Symbols host (computer) The primary computer in a multi-element system, typically serving target or object computers. The primary computer usually issues commands, has access to the most important data, and is the most versatile processing element in the system. 2 IAC 1. Acronym: (adjective) Interactive 2.
Master Glossary of Terms and Symbols IFCC This remote detail display parameter (DDP) attribute, 237:IFCC, indicates the input file-card-channels connected to the point. Occurrences 0 through 16 are valid for this read-only DDP. This attribute may be accessed using occurrence 0 for point types that have a maximum of one occurrence of this DDP.
2-56 Master Glossary of Terms and Symbols implied valve position or pressure (IVP) 2 The output of a primary control algorithm (PCA) or a smart field device. The IVP either determines how much to open a valve actuator, which moves to a position, or determines the pressure of a transducer. Note that if the IVP is modified by a station function or FST after being computed by the PCA, the valve output and the IVP will not be the same. import 1.
Master Glossary of Terms and Symbols initial model file The initial model file in the Design Number of Hidden Neurons and Train operations is an optional parameter. If the architecture of the initial model file does not match the required architecture, the operation will still work. If there are too many weights, the program simply discards the excess weights. If there are too few weights, the program randomizes additional weights.
2-58 Master Glossary of Terms and Symbols instrument information 2 All of the information associated with a physical instrumentation device. This information includes the tag number for the device, common information between all devices, device specific information, and other associated information for the device (such as loop drawings, and so on). instrument mode A selected state for operating a FIELDVUE instrument; for instance, OUT OF SERVICE. See Mode.
Master Glossary of Terms and Symbols integrity error level See Integrity Level and Integrity Status. integrity level One of five default or configured labels (CRITICAL, URGENT, WARNING, MINOR, or NONE) used to indicate the severity of a smart error state reported to the controller.
2-60 Master Glossary of Terms and Symbols International Consultative Committee for Telephony and Telegraphy (CCITT) 2 The international organization that develops compatibility and other recommendations for telecommunications, including data communication. (The acronym comes from the organization’s French name.) International Electrotechnical Commission (IEC) An international group developing standards and certification in electronics and electrical engineering.
Master Glossary of Terms and Symbols IOSTAT Abbreviation: I/O Status 1. An IOSTAT instruction in an FST step reads the integrity status and process status of a configured channel on a Smart Device Input or OUtput Card. The process status is accessed on a variable-by-variable basis, whereas the integrity status is only needed at the card level. 2. This point attribute, 135:IOSTAT, allows the status of the input parameter of a process control point to be accessed.
2-62 Master Glossary of Terms and Symbols job information 2 An IIS database description created during installation that includes the project name (also called project job number), customer, contractor, site name and location, and describes the database being created. The job information appears to the user when selecting a database to log on to, and on every ISA datasheet printed by IIS.
Master Glossary of Terms and Symbols last in, first out (LIFO) An order for handling or processing items placed in a queue or buffer. The last item placed in the queue or buffer is the first item retrieved for use. A LIFO queue is often called a stack. See First In, First Out (FIFO). LGP Acronym: Local Ground Point License Personality Module (LPM) The Operator Workplace Console Software licensing device.
2-64 Master Glossary of Terms and Symbols load 2 A software-initiated action on a database. The term refers to the SYBASE database load function and not the Open Database load utilities embedded in ENVOXr software. load file A specific type of data file used by the Documentation Toolkit software to load database information into AutoCAD drawings using a data link.
Master Glossary of Terms and Symbols log 1. A summary of process operation data, especially a list of significant events and the times of the occurrences. 2. A mathematical function, the inverse of the exponential operator. log file During installation, all system responses generated by the installation will be saved in a log file, if one has been defined. logical device A VMS file defined in the Recipe Manager software that contains one or more databases or transaction logs.
2-66 Master Glossary of Terms and Symbols log on 1. The process of gaining access to a software program loaded onto a computer system. 2 2. Gaining access to IIS. The log on process validates the identity of a user by their log on ID and their password, ensuring only authorized people are using the system. loop 1. A control loop. 2. A UOC or IFC point type which provides control for a continuous process.
Master Glossary of Terms and Symbols LPI Acronym: Lines Per Inch LPM Acronym: License Personality Module LQ Acronym: Letter Quality Printing Style LR Acronym: Link Read-ROM (for PCON) LRC Acronym: Longitudinal Redundancy Check 2-67 maintenance point A PROVUEr console point type that indicates device integrity to the operator.
2-68 Master Glossary of Terms and Symbols manual switchover 2 A redundant console switching procedure initiated at the the active console keyboard or from the configuration device’s console diagnostics display to change the active status from one console to the other in a redundant pair.
Master Glossary of Terms and Symbols maximize button A control button on an OSF/Motif Window Manager (MWM) window frame used to size the current window to the largest dimensions that can be displayed on the X Server. maximum number of training epochs A parameter in the Options Customize dialog box that tells the Train operation to stop when a specified number of epochs has been reached.
2-70 Master Glossary of Terms and Symbols menu permissions millimeter (mm) menu permit MIN A feature of the IIS software package that controls access to the functionality of IIS. 2 Permission to access IIS menus, granted by the System Administrator. meter (m) Metric unit of length. MGP Acronym: Master Ground Point MicroChannel Architecture (MCA) A group of basic principles that guided the design of the IBM RIC card. The acronym MCA is an IBM mark.
Master Glossary of Terms and Symbols mode Identification of who or what controls changes to certain types of point data. Point data may potentially be changed by a human operator, a controller algorithm, a computer, and another point. Each mode determines which of these conditions is allowed to change point data. The seven possible modes in a PROVOXr system are: manual, automatic, remote setpoint, supervisory, direct digital control, computer, and hard manual. See Instrument Mode.
2-72 Master Glossary of Terms and Symbols monitor 2 A PROVOXr point type. A monitor point is used to retain a single analog or discrete value. Analog monitored values are typically displayed on a console display as a PV bar graph. In a monitor point, the device containing the point is allowed to read or write the value and other system devices are only allowed to read the analog value. monitor/deviation A PROVOXr point type.
Master Glossary of Terms and Symbols MSD Acronym: Most Significant Digit multidrop A communication system in which more than two devices are connected on a single transmission medium. Each device must have an unique address so that it can recognize messages intended for that device rather than other devices. HART protocol allows multidrop operations, with up to 15 slave devices on one pair of wires.
2-74 Master Glossary of Terms and Symbols multiplexer discrete output (MUX-DO) 2 A PROVOXr point type, available from the multiplexer. A MUX-DO point consists of a single-bit digital signal produced by the circuitry of a controller or multiplexer device under the control of the controller algorithm or console operator.
Master Glossary of Terms and Symbols MUX-PCI nested triggers MV network device (ND) Acronym: Multiplexer Pulse Count Input Acronym: Measured Variable or Multivariable MVP Acronym: Multivariable Point NAK Acronym: Negative Acknowledgement name 1. A unique identifier for any devices or logical units of an operations console system except a point or a controller (points and controllers have tags instead of names). 2.
2-76 Master Glossary of Terms and Symbols Network Operations Server (NOS) 2 A software option to the PROVUEr operator console. The network operations server uses the OSF Motif and MIT X open system windowing standards to create a distributed, windowed, graphical user interface based on the PROVUE console user interface. node address The address of a piece of hardware on a computer network. DECnet addresses are in the form n.nnnn. TCP/IP addresses are in the form nnn.nnn.nnn.nnn.
Master Glossary of Terms and Symbols non-volatile memory (NVM) A type of semiconductor memory that retains its contents even though power is disconnected. normal distribution A continuous, symmetrical, bell-shaped frequency distribution for variable data that underlies a variables control chart. When measurements have a normal distribution, approximately 68.26% of all individuals lie within plus or minus one standard deviation unit of the mean. approximately 95.
2-78 Master Glossary of Terms and Symbols ObjectBroker A Digital Equipment Corporation software product. 2 object definition Defines a class of G2 objects. See Object. object ID A number generated by the ENVOXr software for the CHIP database. observation A set of data used to predict an output. An observation is analogous to a sample; however, a sample is data collected at the same time, while an observation is data, perhaps from different times, used to predict an output.
Master Glossary of Terms and Symbols open systems interconnection (OSI) The OSI reference model is a defined way of specifying and implementing a communication protocol in layers, each of which has a specific function. This model originated from the International Standards Organization (ISO). In an implementation, each function should be performed (if at all) in the layer, and the interfaces between layers should be well-defined.
2-80 Master Glossary of Terms and Symbols operator attention List (OAL) 2 A one-line console message that alerts the operator to displays that have points in alarm, batch units that require information, console errors, or communications problems. operator session The software interface to the Operator Workplace Console Software. The combination of windows and controls used to monitor and control the process. operator station 1. A local control station that can be connected to regulatory controllers.
Master Glossary of Terms and Symbols OS/2 output neuron OT output node The operating system software IBM uses in several models of computer. OS/2 is a mark of IBM. Acronym: Output Tracking OUT Abbreviation: Output Signal .out file Output sample file. outlier 1. A value that is different from most other values. Some outliers are due to noise and gross errors, and are undesirable. Other outliers reflect different process conditions and are often desirable.
2-82 Master Glossary of Terms and Symbols PAL Acronym: Programmable Array Logic paradigm 2 Refers to the architecture and learning methodology for different types of neural networks. The most popular paradigm is back-propagation. Other paradigms include: radial basis, rho, and auto-associative. parallel 1. Simultaneous data transmission on two or more channels. 2.
Master Glossary of Terms and Symbols parity bit A binary bit appended to the data bits in a character to make the sum of all of the bits always odd (odd parity) or always even (even parity). The parity bit allows the receiver to detect single bit errors within the character. Correcting the error is not possible, since there is no way to know which individual bit was corrupted. Also, a single parity bit cannot guarantee to detect errors affecting more than one bit in a character.
2-84 Master Glossary of Terms and Symbols PB PCON PBM PD Acronym: Proportional Band 2 Acronym: Push-Button Module PC Acronym: Printed Circuit, Programmable Controller, or Personal Computer PCA Acronym: Primary Control Algorithm PCALHI Acronym: Process High Range Limit This remote detail display parameter (DDP) attribute, 226:PCALHI, shows the process high range limit as a floating-point number. This attribute is a single-occurrence DDP, which is tunable. See Calibration Block and PEU.
Master Glossary of Terms and Symbols PDS Acronym: Process Data Server PE Acronym: processing element PEMS Acronym: Predictive Emissions Monitoring System percent implied valve position (%IVP) An attribute associated with the output of a primary control algorithm. This attribute indicates the calculated output value of the loop algorithm as 0 to 100 percent of span. 0 percent implies a closed valve, while 100 percent implies an open valve.
2-86 Master Glossary of Terms and Symbols phase condition A process condition that forces the operation of a batch to FAIL if the condition becomes TRUE during a specific phase of the operation. 2 phrase In ASCII configuration source files, a keyword followed by one or more operands. phrase list In ASCII configuration source files, two or more phrases separated by commas.
Master Glossary of Terms and Symbols PLC 1. Acronym: Programmable Logic Controller 2. A registered trademark of the Allen-Bradley Company plenum cable Specially designed coaxial cable that is approved for use in plenums (air ducts) since the jacket material does not give off toxic fumes if burned. plot display screen 2-87 point 1. A set of process-control parameters and data.
2-88 Master Glossary of Terms and Symbols point-to-point A communication system in which only two devices are connected. The wiring goes from one point to the other point. 2 HART protocol operating in point-to-point mode can use an analog signal. See Multidrop. polling power fail restart (PFR) The actions of a device upon the loss and subsequent restoration of operating power.
Master Glossary of Terms and Symbols PRC LOW Abbreviation: Process Low Range This remote detail display parameter (DDP) attribute, 103:PRC LOW, shows the process low range as a floating point number. This attribute is a single-occurrence DDP, which accepts floating-point tuning data. See Calibration Block. preamble The first part of the HART protocol long frame data format.
2-90 Master Glossary of Terms and Symbols printed wiring board (PWB) A board containing printed circuits (printed wiring) which serves as the mounting base for integrated circuits and other electronic components. 2 print head The printer part that moves horizontally across the paper to perform the actual printing. 3. A subdivision of a procedure defined for batch tracking or operator intervention at the batch cycle control level.
Master Glossary of Terms and Symbols process control language (PCL) The control language in the CONTROL/21 system of Industrial Systems, Inc.’s (ISI’s) CIM/21 product. This language is a script file that can execute instructions, such as are required for running a neural network. Process Data Server (PDS) A Fisher-Rosemount Systems’ PROVOXr product implemented to communicate between Windows PCs and the Computer/Highway Interface Package (CHIP) software through Ethernet TCP/IP or DEC Pathworks.
2-92 2 Master Glossary of Terms and Symbols process manager’s console (PMC) process status process manager’s console batch (PMC(B)) process variable (PV) A PROVOXr device that allows an operator to monitor, adjust, and log parameters for many highway points at a single location. Optionally, a console can be used for configuration. An early name for the PROVOXr batch console (BCON). process manager’s console custom (PMC(C)) An early name for the PROVOXr custom console (CCON).
Master Glossary of Terms and Symbols programmable controller (PC) A control machine, built of computer subsystems, that takes the place of electro-mechanical relay panels. Programmable controllers make use of solid-state digital logic. 2-93 prompt A brief message, acronym, or symbol printed or displayed by a program or an operating system, asking the user to provide input.
2-94 2 Master Glossary of Terms and Symbols proportional/integral/derivative control action (PID) PROVOXr Data Highway proposed revision tag PROVOXr display format (PDF) protocol PROVOXr Highway II Control action in which the change in the output signal is proportional to a change in the error signal, plus the time integral of the error, plus the rate of change of the input signal. (The error is the difference between the PV and SP values.
Master Glossary of Terms and Symbols pseudo function sequence table (PFST) The established set of function blocks within a configurable controller or a UOC. Each of these function blocks, within the fixed sequence, can be enabled or disabled, to yield a variety of control effects. PSI Acronym: Programmable Serial Interface PSU Acronym: Power Supply Unit PS/2 The name for a line of small IBM computers. PS/2 is a mark of IBM. 2-95 push button A graphic component which simulates a pushbutton.
2-96 Master Glossary of Terms and Symbols radio button 2 A graphic component representing a mutually exclusive set of selections. Radio Buttons are typically used for setting states or modes. Radio Buttons are represented by a diamond (¨). Radio, Electronic, and Television Manufacturers’ Association (RETMA) Formerly, a group of electronic manufacturers who developed a standard for rack mounting of electronic equipment. Replaced by EIA.
Master Glossary of Terms and Symbols read-only memory (ROM) A memory in which information is stored permanently. A user can examine ROM contents as often as desired but cannot change the contents. readout A display that shows the value of a G2 variable, parameter, or expression. See Variable and Parameter (PARAM). read/write memory (RWM) Another name for random access memory (RAM). real A PROVOXr point type. A real point has a single real (floating-point) value referenced by the setpoint.
2-98 Master Glossary of Terms and Symbols recipe header 2 The Recipe Manager software facility that contains the recipe name, author, version, date of creation, date last modified, description, and comments about the recipe. recipe management A structured method used to develop, store, retrieve, and maintain batch control recipes. reference A PROVOXr point type. A reference point is used to retain a single analog or discrete value.
Master Glossary of Terms and Symbols relational paradigm Set information represented in two-dimensional tables. relative database index An integer that represents a storage location within an area of a database. For example, all DCD points are stored in one area of a PROVOXr database. The relative index of a particular DCD point is the offset from the database index of the first DCD point in the database. relative time The length of time which is added to or subtracted from an absolute time.
2-100 Master Glossary of Terms and Symbols reserved words 2 Reserved words are used by Interactive Structured Query Language (ISQL) as keywords (command verbs) and cannot be used for the names of databases, tables, rules, defaults, and so forth. Reserved words are used for the names of local variables and for stored procedure parameters. reset 1. To return the MPU and any associated circuits to their starting states. 2.
Master Glossary of Terms and Symbols RGBW Acronym: Red, Green, Blue, White 2-101 routine A command or call within a CHIP program that passes parameters and receives data through its parameter list.
2-102 Master Glossary of Terms and Symbols RS3 process control products 2 A Fisher-Rosemount Systems product line of advanced process control equipment for distributed microprocessor-based control and data acquisition devices that communicate with operator consoles over a data highway called a PeerWay. RTD Acronym: Resistance Temperature Detector run chart A graphic representation of a process characteristic. See Control Chart.
Master Glossary of Terms and Symbols sample multiplier In an RS3 implementation, a sample multiplier affects the ticking rate of the network execution clock, based on multiple ticks of the sample clock. A sample rate multiplier of five ensures that the sample clock ticks five times as fast as the network execution clock. sample size The number of elements, or units, in a sample. sample (statistics) A representative group selected from a population used to estimate the properties of the population.
2-104 Master Glossary of Terms and Symbols SDF SEL SDLC select Acronym: Statistical Data File 2 Acronym: Synchronous Data Link Communication SEC Abbreviation: Secondary secondary (SEC) master The HART protocol allows for two masters in a system. The secondary master is usually a hand-held communicator or a maintenance computer. See Primary (PRI) Master.
Master Glossary of Terms and Symbols sensor 1. A G2 object that contains one piece of data, usually supplied by an external source like ESDS. (See Object.) 2. A device that produces a voltage or current output representative of some physical property being measured (for example, pressure, temperature, or flow). Generally, the output of a sensor requires further processing before it can be used by the control system.
2-106 Master Glossary of Terms and Symbols servo Abbreviation: Servomotor 2 1. A device that contains and delivers power to move a control, such as a valve stem. 2. An automatic feedback control device in which the controlled variable is a mechanical position or one any of its time derivations. SFDC Abbreviation: Standard Format Operator’s Console SGP Acronym: Shield Ground Point shadow point See FIELDVUE Shadow AO Point.
Master Glossary of Terms and Symbols shutdown control The ENSTRUCT software function that monitors as many as 16 conditions and causes a shutdown if one or more of the conditions becomes TRUE. The shutdown control function is provided in the continuous control shell mask file SD-XXXXX.MSK.
2-108 Master Glossary of Terms and Symbols SIMVOX 2 The SIMVOX Real-time Process Simulation Software includes software tools and sub-routine libraries and user-written models to observe and analyze process configurations. SIMVOX also allows review and manual change of input/output I/O to the control strategies and operator displays without the model programs. SIMVOX is a mark of Don H. Munger Co. sine wave A waveform of a pure alternating current or voltage that is often viewed on an oscilloscope.
Master Glossary of Terms and Symbols slot time delay The length of time required for a device to send a message to another device on a highway and receive an answer back. small computer system interface (SCSI) An interface standard for connecting peripheral devices, such as hard disk drives containing control circuitry, to computer systems. smart alarm control The ENSTRUCT software function that monitors as many as 16 conditions and causes an alarm if one or more of the conditions becomes TRUE.
2-110 Master Glossary of Terms and Symbols SMOUT Abbreviation: Smart Output 2 An FST instruction that sends an output value to the primary variable (PV) or a non-primary variable (NVP) of a Smart Device Output Card channel. The value is converted, if necessary, to the format required by the type of smart field device.
Master Glossary of Terms and Symbols softkey 1. A keyboard key that activates one of several functions, according to the portion of software executing at the moment. Commonly, a screen display indicates the current functions of all softkeys. 2. Another name for multifunction key.
2-112 Master Glossary of Terms and Symbols SP72 attribute 2 A component of the ISA SP72 data model. In the model, data is organized into blocks. Each block in a control system is identified by a unique name or tag and each item within a block is identified by an attribute. SQC Acronym: Statistical Quality Control SRx The PROVOXr SRx controllers are advanced, ruggedized, multi-functional control devices.
Master Glossary of Terms and Symbols standard analog output A multiplexer point type that receives an analog value from the data-highway, then converts that value to an analog signal which is sent to a field device. standard deviation A measure of the spread, or dispersion, of process output.
2-114 Master Glossary of Terms and Symbols status bar structured query language (SQL) status line subgroup The horizontal bar at the bottom of many applications. The status bar of the Intelligent Sensor Toolkit gives the time and information about the menu choices. 2 The line of text in the Graphics Toolkit AutoCAD utilities above the drawing area. The status line contains information such as the current drawing layer and the coordinates of the cursor.
Master Glossary of Terms and Symbols supervisory (SUP or SUPV) A loop control mode: the control algorithm changes the control output to minimize the difference between the values of the setpoint and the process variable. A process computer, a computer program, a unit point, or a logic control point supplies the setpoint value. supervisory process control system A computer process monitoring a control system that often sits on top of a distributed control system (DCS).
2-116 Master Glossary of Terms and Symbols systems engineering The implementation of a hardware-and-software system resulting from analysis of a control problem. 2 table view work area The portion of the Table View screen that shows the common tag information in a spreadsheet-like grid display for viewing and editing. The grid display is only a window into the total number of tags available to be viewed.
Master Glossary of Terms and Symbols tag set User-defined lists of tags on which the ENVOXr software can perform functions with a single command, such as document, copy, generate, and download. TAG_SUFFIX A tag number component representing suffix. 2-117 TCALHI Acronym: Transmitter Calibration High This remote detail display parameter (DDP) attribute, 224:TCALHI, is the calibration block value used to convert the high range value from TEU to percent.
2-118 Master Glossary of Terms and Symbols temporary condition indicator 2 In the ENSTRUCT software: a register used to indicate which temporary condition wait is active within a PROVOXr step. This communicated variable is referenced to provide the operator with conditional text on his help display, indicating this temporary condition wait information. The location of this variable is FPreg[4]:’XXXXX-PC’ (where XXXXXis the batch unit tag).
Master Glossary of Terms and Symbols tile To size and line up windows such that a user can see every part of every window. Tiling can be vertical or horizontal. TIM Abbreviation: Timer time alignment Process data and lab test data are not always collected at the same time. The time alignment function corrects for these small offsets in time with the user’s choice of algorithm. Example algorithms are: interpolate, mean, and remove.
2-120 Master Glossary of Terms and Symbols totalizer 2 A process control computation that acts as an integrator. A totalizer output gives an accumulated total value. A totalizer might be nonresettable, but most will reset to zero when the output reaches either a high limit or a reset indication. TPO Acronym: Time Proportional Output trace 1. To view computer register or accumulator contents throughout the execution of a program. 2.
Master Glossary of Terms and Symbols train/test split approach A parameter in the Options Customize dialog box with two choices: Sequential and Random. Sequential means to split the training file with the first observations to be the training set and the last observations to be the test set. Random means to select samples randomly to be the training set, with the unselected samples to be the test set. transaction A series of messages used to convey useful information from one station to another.
2-122 Master Glossary of Terms and Symbols transmitter engineering units (TEU) 2 Some smart field devices do not directly measure the quantity that the PROVOXr system needs to control. For example, a differential pressure transmitter sends data in transmitter engineering units (TEU), which in this case is pressure. The PROVOX system then converts the pressure to process engineering units (PEU), which might be gallons per minute (the measurement in the desired process units).
Master Glossary of Terms and Symbols TTL Acronym: Transistor-Transistor Logic tuning The adjustment of control terms or parameter values to produce a desired control effect. tuning parameter A parameter that is adjustable without reconfiguration; an operator adjusts such a parameter to alter control effects. Common examples are gain, rate, reset, and alarm trip points. Such parameters appear in detail displays.
2-124 Master Glossary of Terms and Symbols ultraviolet read-only memory (UVROM) A special type of ROM. Exposure to intense ultraviolet light erases the ROM contents. 2 ULTRIX Mark of Digital Equipment Corporation for one of the firm’s computer operating systems. Underwriters Laboratories (UL) An American agency that tests electrical products, approving those products that meet safety standards. .und file Temporary file to store a copy of the .net FILE.
Master Glossary of Terms and Symbols unit variable initialized flag In the INSTRUCT software: a unit variable which is used to confirm that the variables of a specific phase have been initialized. The location of this variable is UV 23 of a batch unit. universal asynchronous receiver/transmitter (UART) An integral circuit chip that converts a byte of data (usually presented by the processor in parallel) to and from serial form, and adds or removes the start, parity, and stop bits.
2-126 Master Glossary of Terms and Symbols user authorization file (UAF) UAF> is the prompt for the VMS Authorization utility. 2 user-defined Information set by the user. user-defined key See Macro. ValveLinkt software A mark of Fisher Controls for the FIELDVUE ValveLink Series VL2000 software, which runs on a personal computer and can be used to configure, calibrate, and diagnose the operating characteristics of digital transducer/digital valve controller (DT/DVC) instruments.
Master Glossary of Terms and Symbols variable FST This group of FSTs (VAR-CC21 through VAR-CC30) contains the logic that gives the variables their initial configured values. 2-127 VCIA Acronym: VME Communications Interface Assembly VDU 2 Acronym: Video Display Unit variable index number In the ENSTRUCT software: a unique number that defines a variable by its type (integer or floating-point), controller number, LCP number, and register number.
2-128 Master Glossary of Terms and Symbols VIEWPDF 2 This Graphics Toolkit PC-based program previews a PDF file on the PC monitor. VIEWPDF provides a way to view a display before moving it to the PROFLEXr or ENVOXr configuration. VIEWUDF This Graphics Toolkit PC-based program previews a UDF file on the PC monitor. VIEWUDF provides a way to view a display before moving it to the microPROVOXt system.
Master Glossary of Terms and Symbols voltage output (VO) A terminal, available on a PROVOXr controller or multiplexer, that produces a 1- to 5-volt analog output signal. VOT Acronym: Valve Output Tracking VRCIA II Acronym: VME Redundant Communications Interface Assembly VSB Acronym: VME Subsystem Bus 2-129 watchdog timer (WDT) 1 . An electronic timer that generates a priority interrupt unless periodically recycled by a computer or microprocessor.
2-130 Master Glossary of Terms and Symbols wide area network (WAN) 2 A group of electronic devices that are far from each other (in different places, different regions, or different nations) but which work together. The devices communicate over such media as cable, microwave links, and satellite links. Wide-area-network communication includes a switching capability. window manager A program that controls the size, placement, and operation of windows in the Window or workspace.
Master Glossary of Terms and Symbols W3DBLIB.DLL W3DBLIB.DLL is the DB-Library binary that provides SQL communications between the IIS client and the IIS server. XFR 2-131 X Terminal The hardware assembly consisting of a VDU, a keyboard and mouse, and the electronics necessary to run the server software of an X Window System-based application. Abbreviation: Transfer XMIT Symbol: Transmit XMTR X.25 A CCITT protocol for connecting data terminal equipment to public packet switched networks.
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Acronym and Abbreviation List 3-1 Figure 3-Table 3 3 Acronym and Abbreviation List A ABINT Acronym: Allen-Bradley Interface AC or ac Acronym: Alternating Current ACIA Acronym: Asynchronous Communications Interface Adapter ACK Abbreviation: Acknowledge ACQ Abbreviation: Acquire AEUP Acronym: Auxiliary Engineering Unit Pair AFC Acronym: Advanced Flow Control AFP Acronym: Auxiliary Function Parameter AI 1. Acronym: Analog Input 2.
3-2 Acronym and Abbreviation List AO AVP AOUT AWD APU AWG Acronym: Analog Output Acronym: Analog Output Instruction 3 Acronym: Arithmetic Processing Unit Acronym: Actual Valve Pressure/Position Acronym: Alternative Working Directory Acronym: American Wire Gauge ARIMA B Abbreviation: Auto Regressive Integrated Moving Average BCD ARW Acronym: Anti-Reset Windup ASCII Acronym: American Standard Code for Information Interchange ASE Acronym: Automatic Switchover Enable ASL Acronym: Applic
Acronym and Abbreviation List C CAD Acronym: Computer Aided Design CAP Abbreviation: Capacitor CASC Abbreviation: Cascade Control CCITT Acronym: Comite Consultatif International pour Telephonie et Telegraphie, or International Consultative Committee for Telephony and Telegraphy. See International Consultative Committee for Telephony and Telegraphy.
3-4 Acronym and Abbreviation List CPU dB CRC DBI CRI DBMS Acronym: Central Processing Unit. Acronym: Cyclic Redundancy Check 3 Acronym: Control Room Instrumentation Acronym: Decibel Acronym: Database Index Acronym: database management system dBmV CRT Acronym: Cathode Ray Tube. Acronym: Decibel millivolt DBND CSA Acronym: Canadian Standards Association Abbreviation: Deadband dc Acronym: direct current CSV Acronym: Comma Separated Value DC 1.
Acronym and Abbreviation List DDC DLL DDP DM Acronym: Direct Digital Control Acronym: Detail Display Parameter DDPRD Acronym: DDP Read DDPWT Acronym: DDP Write 3-5 Acronym: Dynamic Link Library Acronym: Discrete Monitor DMA Acronym: Direct Memory Access DMC Acronym: Dynamic Matrix Control DO DEC Acronym and mark: Digital Equipment Corporation Acronym: Discrete Output DP Acronym: Data Processing Printing Style DESCR Abbreviation: Descriptor DEV Abbreviation: Device DEVSTAT Acronym
3-6 Acronym and Abbreviation List DTE Acronym: Digital Terminal Equipment Abbreviation: Enable EOT DVC Acronym: Digital Valve Controller 3 ENB or ENBL Acronym: End of Transmission EPCI DVM Acronym: Extended Pulse Count Input Acronym: Digital Volt Meter DW Acronym: Display Write-RAM (for PCON) EPROM Acronym: Erasable Programmable Read-Only Memory ERR DXF Abbreviation: Error Acronym: Drawing eXchange Format ESD Acronym: Electrostatic Damage E EAROM Acronym: Electrically Alterable Rea
Acronym and Abbreviation List F F-C-C:A Acronym: File-Card-Channel:Attribute 3-7 FUDGE Acronym: Fisher Universal Documentation Graphics Editor FV Acronym: Fourth Variable FCS Acronym: Frame Check Sequence FWD FDFWD G Acronym: Feedforward FET Acronym: Field Effect Transistor FF Acronym: Feedforward FIC Acronym: Flow Indicating Controller 3 Abbreviation: Forward GND Abbreviation: Ground GPF Acronym: General Protection Fault GPIB Acronym: General Purpose Interface Bus GSI FIFO Acro
3-8 Acronym and Abbreviation List HIEC High Engineering Units Scale Factor HIU Acronym: Highway Interface Unit 3 HMAN Abbreviation: Hard Manual Mode HP Acronym: Hewlett-Packard HPIB Acronym: Hewlett-Packard Interface Bus HZ Abbreviation: Hertz I I Abbreviation: Integral (Reset) Control Action IAC 1. Acronym: (adjective) Interactive 2.
Acronym and Abbreviation List IREG LCP ISA LD ISO LED Acronym: Integer Register.
3-10 Acronym and Abbreviation List LSP MMI LTD MPC Acronym: Last Setpoint Acronym: Local Traffic Director 3 Acronym: Man Machine Interface Abbreviation: Model Predictive Control MPU LU Acronym: Logical Unit Acronym: Microprocessor Unit MSD LW Acronym: Link Write-RAM (for PCON) Acronym: Most Significant Digit MUX M m Abbreviation: meter (also spelled metre) MAN Abbreviation: Manual Mode MAX Abbreviation: Maximum Abbreviation: Multiplexer MUX-AI Acronym: Multiplexer Analog Input M
Acronym and Abbreviation List NC OFCC ND OP AMP NIU OSI Acronym: Normally Closed Acronym: Network Device Acronym: Network Interface Unit Acronym: Output File-Card-Channel Acronym: Operational Amplifier Acronym: Open Systems Interconnection NNet OT NO OUT NOS OWP Abbreviation: Neural Net Acronym: Normally Open Acronym: Network Operations Server Acronym: Output Tracking Abbreviation: Output Signal Acronym: Operator Workplace NPV P Acronym: Non-Primary Variable NSR P NTD PAL Acr
3-12 Acronym and Abbreviation List PCALLO Acronym: Process Low Range Limit PCI Acronym: Pulse Count Input 3 PCIU Acronym: Programmable Controller Interface Unit PCL Acronym: Process Control Language (CIM/21 term) PCOMM Acronym: PROVOXr Common Area PCON Acronym: Preformatted Console PD Acronym: Proportional/Derivative Control Action PDC Acronym: Process Dynamics Compensator PDF Acronym: PROVOXr Display Format PDM Acronym: Parallel Discrete Monitor PDO Acronym: Parallel Discrete Output
Acronym and Abbreviation List PMA PSI PMC PSU PMC(B) PT Acronym: Plant Management Area Acronym: Process Manager’s Console Acronym: Process Manager’s Console Batch 3-13 Acronym: Programmable Serial Interface Acronym: Power Supply Unit Abbreviation: Point 3 PTM PMC(C) Acronym: Process Manager’s Console Custom PMC(P) Acronym: Process Manager’s Console Preformatted Acronym: Pulse Time Multiplex PV Acronym: Process Variable or Primary Variable (HART term).
3-14 Acronym and Abbreviation List RBL RGBW RCIA II RIC Acronym: Rosemount Basic Language Acronym: Redundant Communication Interface Assembly II 3 RCM Abbreviation and IBM mark: Realtime Computer Microcode RCV Abbreviation: Receive Acronym: Red, Green, Blue, White Acronym and IBM mark: Realtime Interface Coprocessor RMP Abbreviation: Ramp %RNG Abbreviation: Percent of Range (used on controller point faceplates).
Acronym and Abbreviation List S SA Acronym: System Administrator SAM Acronym: System Administrator Manager SAMA Acronym: Scientific Apparatus Makers Association SC Acronym: Signal Common SCL Acronym: Session Command Language SCSI Acronym: Small Computer System Interface SDF Acronym: Statistical Data File SDLC Acronym: Synchronous Data Link Communication SEC Abbreviation: Secondary 3-15 SGP Acronym: Shield Ground Point SIA Acronym: Serial Interface Assembly SIMO Acronym: Single-input
3-16 Acronym and Abbreviation List SQRT SVP SQX SVXFR Abbreviation: Square Root Acronym: Statistical Quality Control 3 SR90 Abbreviation: 20-series (SR90) Controller Family Acronym: Signal Value Percent Acronym: Service Transfer SW Abbreviation: Switch, or Software T SSDA Acronym: Synchronous Serial Data Adapter ST Abbreviation: Station STA Abbreviation: Station STAT Abbreviation: Station, or Status STBY Abbreviation: Standby STI Acronym: Smart Transmitter Interface SUP or SUPV
Acronym and Abbreviation List U UAF Acronym: User Authorization File UART Acronym: Universal Asynchronous Receiver/Transmitter 3-17 UPS Acronym: Uninterruptible Power Supply URG Abbreviation: Urgent UVROM Acronym: Ultraviolet Read-Only Memory or Ultraviolet Light Erasable ROM UCL Acronym: Upper Control Limits V UCX Acronym: DEC TCP/IP Services for OpenVMS VAX UDC Acronym: Unsolicited Data Control UDF Acronym: microPROVOXt Display Format UDK Acronym: User-Defined Key UIC Acronym: User
3-18 Acronym and Abbreviation List W WSI Acronym: Weigh Scale Interface WAN X Acronym: Wide Area Network 3 WARN Abbreviation: Warning XFR Abbreviation: Transfer XMIT WDT Acronym: Watchdog Timer Symbol: Transmit XMTR Abbreviation: Transmitter WPCON Acronym: Workplace Console. See Operator Workplace. TR4.
Bibliography A-1 Figure D-Table D Appendix A A Bibliography A PROVOX Source Documents Configuring the PROVUEr Console, CE7.0:DC6460, Revision C—June 1994 Configuring DH6200-Series Computer/Highway Interface Package (CHIP) Software, CE8.0:DH6200, Revision E—December 1995 Configuring the Type DH6005 Programmable Controller Interface Unit (PCIU), CE4.10:DH6005, Original—June 1990 Configuring the 20-series (SR90) Controller Family (P5.0) Volume 1, CE10.
A-2 Bibliography Maintaining the Type DH6009 Serial interface Unit, MM4.10:DH6009, Revision A—July 1990 Maintaining the PROVOX Highway II Communications System, MM6.4:DH7700, Original—May 1992 Maintaining DC9400-Series Operator Workplace with DC9500 WS-Series Console Electronics Unit, MM7.
Bibliography A-3 Installation and Maintenance Instructions for a CIA II Used in a HIU, PN4.2:DH6008(S1), Original—July 1992 Installation and Maintenance Instructions for a CIA II Used in a SIU, PN4.2:DH6009(S1), Original—July 1992 Installation and Maintenance Instructions for a DHI II Used in a Type DH6021 NIU (Q-bus), PN4.2:DH6021(S1), Original—July 1992 Installing and Maintaining the Type DH6032 Highway Data Link (HDL), PN5.
A-4 Bibliography Using DH6200-Series Computer/Highway Interface Package (CHIP) Software, UM3.0:DH6200, Revision A—December 1995 Using Type SW2035 Process Data Server (PDS), UM4.5:SW2035, Original—October 1992 Using ENVOXr Configuration Software, UM6.1:SW3151, Revision G—June 1995 Installing and Using the Type SW2011 Data Historian Software, UM4.3:SW2011, Revision D—August 1992 A Using DC9440-Series Operator Workplace Console Software, UM13.
Bibliography A-5 Maintaining DC9400-Series Operator Workplace with DC6460-Series PROVUE Console Electronics Unit, MM7.0:DC9400:PVE, Original—March 1994 Installing and Maintaining Smart Device Input and Output Cards, PN2.1:CL6825, Revision A—October 1995 Installing DC9400-Series Operator Workplace with DC9500 WS-Series Console Electronics, PN7.1:DC9400:OWP, Revision A—August 1994 Installing DC9400-Series Operator Workplace with DC6460-Series PROVUE Console Electronics Unit, PN7.
A-6 Bibliography A This page intentionally left blank. TR4.
Index-1 Index Symbols .api file, 2-7 .bmp file, 2-15 .cdv file, 2-17 .di[x] file, 2-34 .in file, 2-56 accumulator, 2-2 ACIA, 2-2, 2-9, 3-1 ACK, 2-3, 3-1 acknowledge, 2-3 ACQ, 2-3, 3-1 Index acquire, 2-3 acquire set, 2-3 .out file, 2-81 ACS, 2-3, 3-1 .sn[x] file, 2-110 ACT, 2-3, 3-1 .tm file, 2-119, 3-16 active process indicator, 2-3 .
Index-2 Index alarm, 2-5 AOUT, 2-7, 3-2 alarm banner, 2-5 application, 2-7 alarm banner mode, 2-5 application layer, 2-7 alarm deadband, 2-5 application module, 2-8 alarm trip point, 2-5 application software library, 2-8 alert, 2-5 application window, 2-8 algorithm, 2-5 APU, 2-8, 3-2 alias, 2-5 archive, 2-8 alias template, 2-6 archiving, 2-8 aliased user name, 2-5 arithmetic logic unit, 2-8 ALM, 2-5, 2-6, 3-1 arithmetic processing unit, 2-8 alpha, 2-6 array, 2-8 alphanumeric, 2-6
Index-3 auto regressive integrated moving average, 2-10 AutoBuilder, 2-10 AutoCAD, 2-10 AutoLISP, 2-10 automatic mode, 2-10 batch control shell, 2-12 batch cycle, 2-12 batch cycle control, 2-12 Batch Data Manager, 2-12 batch end report, 2-12 batch formalism, 2-13 automatic switchover enable, 2-10 batch process actions, 2-13 AUX, 2-10, 3-2 batch structure, 2-13 AUX EU, 2-10, 3-2 baud, 2-13 auxiliary engineering unit pair, 2-10 baud rate, 2-13 auxiliary engineering units, 2-10 auxiliary function par
Index-4 Index BREG, 2-15, 3-2 Central Limit Theorem, 2-17 bridge, 2-15 central processing unit, 2-17 Bridge Highway II, 2-15 CEU, 2-17, 3-3 British Standards Institute, 2-15 CFG, 2-17, 3-3 BSI, 2-15, 3-2 CFOC, 2-18, 2-25, 3-3 buffer, 2-15 CHAN, 2-18, 3-3 bug, 2-15 change in error, 2-18 bus, 2-16 change in output, 2-18 button, 2-16 chaotic systems theory, 2-18 byte, 2-16 character, 2-18 characteristic, 2-18 C characteristic impedance, 2-18 C, 2-16 checksum, 2-18 cable tap, 2-16 che
Index-5 COG, 2-19, 3-3 ConfiguWrite, 2-22 Cohen and Coon tuning, 2-19 conjugate gradient, 2-22 cold junction compensator, 2-19 connection, 2-22 COM, 2-20, 2-21, 3-3 consecutive, 2-22 COMM, 2-20, 3-3 console, 2-22 comma delimited values, 2-20 console bay, 2-22 comma separated value file format, 2-20 console computer, 2-22 command, 2-20 constraint, 2-22 command area, 2-20 contiguous disk space, 2-22 commissioned tag, 2-20 continuous distribution, 2-22 common cause, 2-20 continuous variabl
Index-6 Index Cpx, 2-24 data highway, 2-27 CRC, 2-25, 2-26, 3-4 Data Historian, 2-27 CRI, 2-24, 2-25, 3-4 data link, 2-27 critical gain, 2-25 data link layer, 2-27 critical period, 2-25 data processing printing style, 2-27 CRT, 2-25, 3-4 data record analog output, 2-27 CSA, 2-16, 2-25, 3-4 data seek, 2-27 CSV, 2-20, 2-25, 3-4 data type, 2-27 CTD, 2-22, 2-25, 3-4 data update rate, 2-27 CU MPU, 2-25, 3-4 database, 2-26 current to pneumatic transducer, 2-25 database index, 2-26 current
Index-7 DEC, 2-29, 2-32, 3-5 DIAGS, 2-31, 3-5 decibel, 2-29 dialog box, 2-31 decibel millivolt, 2-29 DIGCOMM, 2-32, 3-5 DECnet, 2-29 digital, 2-32 decommission, 2-29 digital command language, 2-32 decoupling, 2-29 Digital Equipment Corporation, 2-32 default units, 2-29 digital input, 2-32 default update interval, 2-29 digital output, 2-32 definition file, 2-29 digital signal processing, 2-32 defuzzification, 2-29 digital to analog converter, 2-32 demo version, 2-29 demodulation, 2-30 der
Index-8 Distributed Systems Products, 2-34 dump files, 2-36 distribution, 2-34 duplex, 2-36 disturbance variable, 2-34 DVC, 2-36, 3-6 DLL, 2-34, 2-37, 3-5 DVM, 2-32, 2-36, 3-6 DM, 2-33, 2-35, 3-5 DW, 2-36, 3-6 DMA, 2-33, 2-35, 3-5 DXF, 2-35, 2-36, 3-6 DMC, 2-35, 3-5 DXFIN, 2-37 DO, 2-32, 2-33, 2-35, 3-5 DOCVUE, 2-35 Index DOS window, 2-35 dot pattern set, 2-35 double click, 2-35 download, 2-35 DP, 2-27, 2-35, 3-5 DPS, 2-35, 3-5 DR, 2-35, 3-5 drag, 2-35 drawing exchange format, 2-35 drawing st
Index-9 end delimiter, 2-38 event lists, 2-40 end time, 2-38 EWMA, 2-41, 3-6 engineering unit, 2-38 exception, 2-41 engineering units descriptor, 2-38 exclusive OR, 2-41 engineering units high value, 2-38 exit key, 2-41 engineering units low value, 2-38 EXP, 2-41, 3-6 enhanced pulse count input, 2-39 expanded multiplexer, 2-41 ENVOX, 2-39 Expert System Data Server, 2-41 ENVOX diagnostics program, 2-39 exponential smoothing, 2-41 envox_read, 2-39 ENVOXDB database, 2-39 ENVPDF, 2-39 ENVTODSE
Index-10 field, 2-43 fourth variable, 2-46 field units, 2-43 FPLATLIB.
Index-11 general recipe, 2-48 HART_CHANNEL utility, 2-51 generate, 2-48 HCF, 2-51, 3-7 GND, 2-48, 3-7 HDF, 2-51, 2-53, 3-7 GPF, 2-48, 2-49, 3-7 HDL, 2-51, 2-53, 3-7 GPIB, 2-49, 3-7 HDLC, 2-51, 3-7 grade, 2-49 header, 2-51 grade parameters, 2-49 hertz, 2-52 graphic cursor, 2-49 Hewlett-Packard, 2-52 graphical user interface, 2-49 graphics server, 2-49 GRD, 2-49 ground, 2-49 group, 2-49 group display, 2-49 group template, 2-50 Hewlett-Packard interface bus, 2-52 Hex, 2-52 Index hexadecimal,
Index-12 horizontal scalability, 2-53 IIS form table software, 2-55 host, 2-54 IIS import/export software, 2-55 HP, 2-54, 3-8 illegal operation code, 2-55 HP-UX, 2-54 I-lock, 2-55, 3-8 HPIB, 2-54, 3-8 ILOPCD, 2-55, 3-8 hub, 2-54 impedence, 2-55 hybrid, 2-54 implied valve position, 2-56 hyperlink, 2-54 implied valve pressure, 2-56 hysteresis, 2-54 Index HZ, 2-54, 3-8 import, 2-56 INAC, 2-56, 3-8 INC CLO, 2-56 I IND, 2-56, 3-8 I, 2-54, 3-8 indirect control point, 2-56 I flag, 2-55 indi
Index-13 integral control action, 2-58 ISO 9000, 2-61 integrated circuit, 2-58 ISO character set, 2-61 integrated function controller, 2-58 isolation, 2-61 integration, 2-58 ISQL, 2-61 integrity, 2-58 ISQL utility, 2-61 integrity error level, 2-59 ISTK, 2-61, 3-9 integrity level, 2-59 item, 2-61 integrity point, 2-59 IVP, 2-56, 2-61, 3-9 integrity status, 2-59 Intelligent Communications Protocol, 2-59 intelligent sensor, 2-59 intelligent tuner, 2-59 interactive controller, 2-59 interactive u
Index-14 Index LD, 2-63, 2-64, 3-9 logical OR, 2-65 LDSV, 2-63 logical ring, 2-65 least-significant digit, 2-63 logical token, 2-65 LED, 2-63, 3-9 logical token bus, 2-65 letter-quality printing style, 2-63 logical token ring, 2-65 LGP, 2-63, 2-64, 3-9 logical unit, 2-65 license personality module, 2-63 logical volume, 2-65 LIFO, 2-63, 3-9 long frame, 2-66 light-emitting diode, 2-63 longitudinal redundancy check, 2-66 line of perfect correspondence, 2-63 linetype, 2-63 link, 2-63 LIU, 2-
Index-15 man machine interface, 2-67 microPROVOX, 2-70 management of change, 2-67 microPROVOX Display Format, 2-70 manual loader, 2-67 manual mode, 2-67 manual switchover, 2-68 map file, 2-68 mask, 2-68 mask file, 2-68 master database, 2-68 master ground point, 2-68 master keyword, 2-68 master recipe, 2-68 master-slave, 2-68 MAX, 2-68, 3-10 maximize button, 2-69 maximum number of training epochs, 2-69 mb, 2-69, 3-10 Mbps, 2-69, 3-10 MCA, 2-69, 2-70, 3-10 mean, 2-69 measured variable, 2-69 median, 2-69 m
Index-16 Index multiplexer analog input, 2-73 neural net, 2-76 multiplexer analog output, 2-73 neural network, 2-76 multiplexer discrete input, 2-73 neuron, 2-76 multiplexer discrete output, 2-74 NIU, 2-75, 2-76, 3-11 multiplexer pulse count input, 2-74 NNET, 2-76, 3-11 multivariable, 2-74 NO, 2-76, 2-77, 3-11 multivariable controller, 2-74 node, 2-76 multivariable interaction, 2-74 node address, 2-76 multivariable point, 2-74 node number, 2-76 MUX, 2-73, 2-74, 3-10 noise, 2-76 MUX AI,
Index-17 observation, 2-78 OSF/Motif Window Manager, 2-80 OCC, 2-78, 3-11 OSI, 2-79, 2-80, 3-11 occurrence, 2-78 OT, 2-81, 3-11 octal, 2-78 OUT, 2-81, 3-11 octet, 2-78 out of control, 2-81 OEM, 2-78, 2-80, 3-11 outlier, 2-81 OFCC, 2-78, 3-11 output neuron, 2-81 OFFSCAN, 2-78 on/off controller, 2-78 OP AMP, 2-78, 2-79, 3-11 open, 2-78 open systems interconnection, 2-79 OpenVMS, 2-79 operand, 2-79 operand list, 2-79 output node, 2-81 output signal, 2-81 output tracking, 2-81 overshoot, 2-81 ove
Index-18 Index partial serial tag numbering system, 2-83 permission, 2-85 PASCAL, 2-83 personal computer, 2-85 permissive, 2-85 pass-through messages, 2-83 PEU, 2-85, 2-91, 3-12 password, 2-83 PFR, 2-85, 2-88, 3-12 path, 2-83 PFST, 2-85, 2-95, 3-12 PB, 2-84, 2-93, 3-11 PFXPDF, 2-85 PBM, 2-84, 3-11 phase, 2-85 PC, 2-84, 2-85, 2-89, 2-93, 3-11 phase condition, 2-86 PCA, 2-84, 2-89, 3-11 phrase, 2-86 PCALHI, 2-84, 3-11 phrase list, 2-86 PCALLO, 2-84, 3-12 physical layer, 2-86 PCI, 2-84
Index-19 pointing device, 2-87 point-status summary, 2-87 point-to-point, 2-88 polling, 2-88 population, 2-88 pop-up menu, 2-88 pop-up window, 2-88 port, 2-88 power fail restart, 2-88 process and instrument diagram, 2-90 process average, 2-90 process capability, 2-90 process capability index, 2-90 process control, 2-91 process control language, 2-91 Process Data Server, 2-91 process dynamics, 2-91 power supply, 2-88 process dynamics compensator, 2-91 power supply common, 2-88 process engineering unit,
Index-20 programmable serial interface, 2-93 PVE, 2-95, 3-13 PROM, 2-93, 3-13 PWB, 2-90, 2-95, 3-13 prompt, 2-93 PWR, 2-95, 3-13 proper string, 2-93 Index proportional band, 2-93 Q proportional control action, 2-93 Q & A, 2-95, 3-13 proportional/derivative control action, 2-93 Q-bus, 2-95 proportional/integral control action, 2-94 question list display, 2-96 QLD, 2-95, 2-96, 3-13 proportional/integral/derivative control action, 2-94 questionable value, 2-95 proposed revision tag, 2-94 R
Index-21 read-only memory, 2-97 REQ/RESP, 2-99, 3-14 readout, 2-97 request/response, 2-99 real, 2-97 request/response link, 2-100 real tag, 2-97 reserved words, 2-100 real time executive, 2-97 reset, 2-100 realtime computer microcode, 2-97 resistance temperature detector, 2-100 realtime interface coprocessor, 2-97 real-time single-board computer, 2-97 real-time trace, 2-97 reboot, 2-97 REC AO, 2-27, 2-97, 3-14 recipe, 2-97 recipe author, 2-98 recipe header, 2-98 recipe management, 2-98 recipe pr
Index-22 rtSBC, 2-97, 2-102, 3-14 second prefix, 2-104 rtVAX 300, 2-102 secondary master, 2-104 rule inference, 2-102 secondary variable, 2-104 rule table, 2-102 security, 2-104 run, 2-102 SEL, 2-104, 3-15 run chart, 2-102 select, 2-104 RWM, 2-97, 2-102, 3-14 selection, 2-104 self test, 2-104 S Index SA, 2-102, 3-15 SAM, 2-102, 3-15 SAMA, 2-102, 2-103, 3-15 sample, 2-102, 2-103 sample clock, 2-102 sample file, 2-102 sample multiplier, 2-103 sample size, 2-103 sample variation, 2-103 sensitiv
Index-23 shielding, 2-106 smart transmitter interface, 2-109 short frame, 2-106 smart variable enable mask, 2-109 shutdown control, 2-107 SMIN, 2-109, 3-15 SIA, 2-107, 3-15 SMOUT, 2-110, 3-15 SIG tools, 2-107 SMT HIGH, 2-110, 3-15 sigma, 2-107 SMT LOW, 2-110, 3-15 sigma quality, 2-107 SMT UNIT, 2-110, 3-15 sigmoid function, 2-107 SMT VAL, 2-110, 3-15 signal common, 2-107 signal value analog, 2-107 signal value discrete, 2-107 signal value percent, 2-107 SIMO, 2-107, 2-108, 3-15 simple operan
Index-24 Index standard analog output, 2-113 SV, 2-104, 2-115, 3-16 standard deviation, 2-113 SVA, 2-107, 2-115, 3-16 standard discrete output, 2-113 SVD, 2-107, 2-115, 3-16 standard format operator’s console, 2-113 SVP, 2-107, 2-115, 3-16 standby controller, 2-113 SW, 2-111, 2-115, 3-16 start and stop bits, 2-113 switch, 2-115 STAT, 2-113, 3-16 switchover, 2-115 state, 2-113 Symbols, 2-1 change in error, 2-1 change in output, 2-1 change-in-error scaling factor, 2-1 change-in-output scaling
Index-25 tag numbering system, 2-116 timeout, 2-119 tag numbering system specific configuration, 2-116 title bar, 2-119 tag permissions, 2-116 token bus, 2-119 token, 2-119 tag permit, 2-116 total download, 2-119 tag set, 2-117 totalizer, 2-120 TAG_BODY1, 2-116 TPO, 2-119, 2-120, 3-16 TAG_BODY2, 2-116 trace, 2-120 TAG_PREFX1, 2-116 trace point, 2-120 TAG_PREFX2, 2-116 track control, 2-120 TAG_SUFFIX, 2-117 train, 2-120 target device, 2-117 train file, 2-120 task active flag, 2-117 tr
Index-26 TTL, 2-121, 2-123, 3-16 unit variable initialized flag, 2-125 tuning, 2-123 universal asynchronous receiver/transmitter, 2-125 tuning parameter, 2-123 TV, 2-118 twenty-series controllers, 2-123 type 1 error, 2-123 Index universal condition, 2-125 UNIVOX, 2-125 UNIX, 2-125 unload file, 2-125 U unsolicited, 2-125 UAF, 2-123, 2-126, 3-17 UOC, 2-124, 2-125, 3-17 UART, 2-123, 2-125, 3-17 UOC+, 2-124, 2-125, 3-17 UCL, 2-123, 2-125, 3-17 UOC-DI, 2-124, 2-125, 3-17 UCX, 2-123, 3-17 UOC-DO,
Index-27 variables, 2-127 WAN, 2-129, 2-130, 3-18 variables data, 2-127 WARN, 2-129, 3-18 variance, 2-127 watchdog timer, 2-129 variation, 2-127 WDT, 2-129, 3-18 VAX, 2-127, 2-128, 3-17 weigh scale interference, 2-129 VCIA, 2-127, 2-128, 3-17 weight, 2-129 VDU, 2-127, 2-128, 3-17 whenever rule, 2-129 velocity limit, 2-127 wide area network, 2-130 verify, 2-127 wildcard, 2-130 versa module eurocard bus, 2-128 window, 2-130 vertical scalability, 2-128 window manager, 2-130 VGA, 2-128, 3-
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