DIGITAL METERS Large Display Process Meter With Rate/Totalizer/Batch Control Features Model PD650 Instruction Manual • Easy Single Button Scaling (SBS) • 4-20 mA, 1-5 V, 0-5 V, or 0-10 V Field Selectable Inputs • Large 2.3" (57.
Model PD650 Large Display Process Meter Visit our Website http://www.predig.
Model PD650 Large Display Process Meter Table of Contents Instruction Manual INTRODUCTION ----------------------------------------------------------------------- 7 Features ----------------------------------------------------------------------------------------- 7 Typical Applications------------------------------------------------------------------------- 8 Ordering Information ------------------------------------------------------------------------ 8 Safety Notice ---------------------------------------
Model PD650 Large Display Process Meter Instruction Manual Overview -------------------------------------------------------------------------------- 41 Set Display to Rate (dSPy r) ------------------------------------------------------ 41 Low-Flow Cutoff Programming (Cutoff) --------------------------------------- 42 Totalizer Programming ------------------------------------------------------------------ 43 Overview -------------------------------------------------------------------------------- 43 Set Di
Model PD650 Large Display Process Meter Instruction Manual Resetting Total Automatically via User Selectable Preset -------------- 71 Relays Operation --------------------------------------------------------------------------- 72 Overview------------------------------------------------------------------------------------ 72 Relays Auto Initialization---------------------------------------------------------------- 72 Fail-Safe Operation ----------------------------------------------------------------------
Model PD650 Large Display Process Meter Instruction Manual List of Figures Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. Figure 11. Figure 12. Figure 13. Figure 14. Figure 15. Figure 16. Figure 17. Figure 18. Figure 19. Figure 20. Figure 21. Figure 22. Figure 23. Figure 24. Figure 25. Figure 26. Figure 27. Figure 28. Figure 29. Figure 30. Figure 31. Figure 32. Figure 33. Figure 34. Removing the Display Board...........................................
Model PD650 Large Display Process Meter Instruction Manual INTRODUCTION This instrument is an analog input process meter with flow rate, totalizer, and batch control capabilities housed in a rugged, die-cast aluminum NEMA 4X enclosure. It accepts the common process signals such as 4-20 mA, 0-5 VDC, 1-5 VDC, and 0-10 VDC. It displays these signals in engineering units on a 2.3" high 4½ digit LED display. The meter also provides two isolated 24 VDC power supplies to drive both the input and output loops.
Model PD650 Large Display Process Meter Instruction Manual Typical Applications Level: Sump Pump Control Water Tank Level Round Horizontal Tank Volume Measurement Well Draw-Down Lift Station Control Flow: Square Root Extraction from Differential Pressure Transmitter Programmable Exponent for Weirs and Flumes Rate, Total, and Batch Control Pressure: Compound Pressure High Pressure Alarms Temperature: Heat Exchanger Display and Alarm Boiler Temperature Monitoring Gas Turbine Combustor Alarm Condenser Temper
Model PD650 Large Display Process Meter Instruction Manual Safety Notice ! CAUTION: Read complete instructions prior to installation and operation of the unit. ! ! WARNING: Risk of electric shock. Observe all safety regulations. Electrical wiring should be performed in accordance with all applicable national, state, and local codes to prevent damage to the unit and ensure personnel safety. Do not use this use this unit to directly drive heavy equipment such as pumps, motors, valves, etc.
Model PD650 Large Display Process Meter Instruction Manual Specifications Except where noted all specifications apply to operation at +25°C. Basic Process Meter INPUTS Field selectable: 4-20 mA, 0-20 mA, 0-5 V, 1-5 V, 0-10 V DISPLAY Six digit, 2.3" (57.3 mm) high efficiency red LED. Rate: -19999(0) to 29,999(0) with selectable extra zero Total: 0 to 999,999; automatic lead zero blanking DECIMAL POINT Process/rate display: Decimal point may be placed in any of the following positions. 2.9999, 29.
Model PD650 Large Display Process Meter Instruction Manual Captures the maximum or peak process/rate and displays it via PEAK HOLD MAX (DISPLAY PEAK) the front panel ENTER button (Dspy p) PEAK HOLD OR MAX INDICATION Front panel flashing “R” LED LOCKOUT Jumper JP1 labeled “LOCK” restricts modification of programmed settings. NON-VOLATILE MEMORY All programming values are stored in non-volatile memory for a minimum of ten years if power is lost.
Model PD650 Large Display Process Meter Instruction Manual TOTAL CONVERSION FACTOR Programmable from 0.00001 to 59999 TOTALIZER Calculates total based on rate and field programmable total conversion factor to display total in engineering units. Time base must be selected according to time units in which rate is displayed. TOTALIZER ROLLOVER Totalizer “rolls over” when display exceeds 999,999. Relay status reflects display. TOTALIZER PRESETS Up to four, user selectable under setup menu Setup.
Model PD650 Large Display Process Meter Instruction Manual FAIL-SAFE OPERATION Relay coils are energized in non-alarm condition. In case of power failure, relays will go to alarm state. Fail-safe operation may be disabled, by removing jumper J5 located on the Options Board. AUTO INITIALIZATION When power is applied, relays assigned to total will reflect the state of the accumulated total value in memory. Relays assigned to process/rate will reflect the state of the input to the meter.
Model PD650 Large Display Process Meter Instruction Manual Isolated 4-20 mA Transmitter Output CALIBRATION RANGE The transmitter output can be calibrated so that a 4 mA output is produced for any process/rate measured by the meter. The 20 mA output may correspond to any process/rate that is at least 501 counts greater or smaller than the process/rate corresponding to 4 mA. (Ex. 4 mA = 0, 20 mA = 501) If the span between 4 and 20 mA is less than 501 counts, an error message will appear.
Model PD650 Large Display Process Meter Instruction Manual Display Functions and Messages The meter displays various functions and messages during operation and programming. The following table shows the various displayed functions and messages with their description. Display Parameter Description/Comments 18888L Low voltage Indicates an input voltage below specifications during power up. -19999 Underrange Indicates the input signal is below the negative range of the meter.
Model PD650 Large Display Process Meter Instruction Manual Display Parameter LInear min No PtS OFFSET Linear input Indicates linear input was selected. Minute Sets time base to display rate in units per minute. Number of points Sets meter for 2 to 11 calibration points. Preset offset Sets preset offset value (Relay n trips at a point below Relay n+1 preset value). outPut Pro9 r Output Sets the optional 4-20 mA output values.
Model PD650 Large Display Process Meter Instruction Manual SETUP AND PROGRAMMING Overview To set up and program the meter, it is necessary to disassemble the Display Board. See disassembling instructions in the next pages. Setting up and programming the meter involves four basic steps: 1. Jumper Configuration (Page 19) a. Input selection and lockout jumpers b. Relay acknowledge enable c. Fail-safe operation of relays 2. Power Selection (Page 20) a. Changing to 230 VAC power if needed.
Model PD650 Large Display Process Meter Instruction Manual Disassembling the Meter To perform the steps described above, it is necessary to partially disassemble the meter. Main Board may remain attached to enclosure’s base even during conduit hub installation if proper precautions are taken. 1. Loosen the four screws that hold the enclosure’s cover in place and remove cover. 2. Loosen the top three mounting screws holding the Display Board (see Figure 1). 3. Remove the bottom three mounting screws. 4.
Model PD650 Large Display Process Meter Instruction Manual Jumper Configuration Overview Before programming the meter, it is necessary to configure three jumper arrays. The jumper arrays are used for setting the type of input signal (4-20 mA, 0-5 V, or 0-10 V); locking out the programmed settings, enable relay acknowledgement (ACK), and setting relay fail-safe operation.
Model PD650 Large Display Process Meter Instruction Manual Power Selection Overview Power Selection involves the following: 1. Changing to 230 VAC power if needed. Factory default is 115 VAC. 2. Labeling the meter as to how it will be powered: 115 VAC, 230 VAC, or 24 VDC. Meters powered from 24 VDC are labeled as such at the factory. Note: Meters ordered to operate from 24 VDC do not require any special setup, this option is not field selectable.
Model PD650 Large Display Process Meter Instruction Manual Connections Overview The following connections are made to removable screw terminal connectors supplied with each meter: Power Connections Signal Connections Enter, Acknowledgement, and Reset Total Connections Relays Connections 4-20 mA Output Connections MAIN PCB Figure 3.
Model PD650 Large Display Process Meter Instruction Manual Options Board Connectors and J5 Jumper Wiring Figure 4. Instructions Refer to Figure 3 and Figure 4 for connectors’ location. 1. All field connections to be made with insulated copper wire, either solid or stranded. Tighten all screw terminals to 4.5 lb-in (0.5 Nm). Strip length = ¼ in (7 mm). DO NOT pre-treat wire with solder. 2.
Model PD650 Large Display Process Meter Instruction Manual Power Connections ! Refer to Changing from 115 to 230 VAC Power, page 20, to make sure meter is set up to accept proper voltage before applying power. ! Disconnect power to the meter before making any connections. ! Do not connect Power or Earth Ground to any unused or CM terminals. Connecting 230 VAC with 115 VAC selected will result in damage to the instrument as well as endanger personnel.
Model PD650 Large Display Process Meter Instruction Manual Signal Connections Signal connections are made to a 10-position connector J1 on the Main Board. This connector also includes connections for Enter, Acknowledgement, Reset Total, and Common. Refer to Figure 3 for location of J1. Figure 6. Figure 7.
Model PD650 Large Display Process Meter Instruction Manual 3-Wire Transducer Figure 8. Three-Wire Transducer Powered by Meter Figure 9.
Model PD650 Large Display Process Meter Instruction Manual Enter, Acknowledgement, and Reset Total Connections Enter, acknowledgement, and reset total terminals provide a convenient method to remotely access the following functions: Terminal Function EN Programs meter via the front panel menu AK Acknowledges or resets relays, exit menu scroll R Resets total to zero Hold reading switch ACK switch ENTER switch Figure 10.
Model PD650 Large Display Process Meter Instruction Manual Isolated 4-20 mA Output Option Connections The meter can be equipped with an isolated 4-20 mA output signal option that can be programmed to produce a 4-20 mA output for virtually any process/rate display with at least a 501 count span. The meter can power both the input loop and the isolated 4-20 mA output loop.
Model PD650 Large Display Process Meter Instruction Manual Programming Overview The meter is programmed using the ENTER button and three jumper arrays. The ENTER button is used to calibrate the meter, program various totalizer functions, and set alarm trip and reset points. The jumper arrays are used for programming the input signal, lockout, relays acknowledge enable, and relays fail-safe operation.
Model PD650 Large Display Process Meter Instruction Manual On the bottom PCB Figure 14. Jumper Arrays and Status LED Identification ENTER Button The ENTER button is used to program the meter for various functions and is located behind the front panel on the Display Board, It is labeled SW2 in Figure 14 above. The ENTER button can also be accessed by wiring a normally open pushbutton switch across terminals EN and CM on connector J1 located on the Main Board (see Figure 3, page 21).
Model PD650 Large Display Process Meter Instruction Manual Five Basic Digit/Display Setting Instructions 1. 2. 3. 4. 5. If the flashing display is OK, to accept it, press ENTER before it stops flashing. If the flashing display is not OK, (or if ENTER was not pressed in time to accept it), wait for the first digit to flash. If a flashing digit is OK, to accept it, press ENTER before it starts to scroll.
Model PD650 Large Display Process Meter Instruction Manual Press ENTER Press ENTER when CALIb appears; LInear Square Pro9 r scroll Select LInear 29999 appears; select dec point then no. PtS Inpt1 flashes; Apply input 1 signal (e.g. 4 mA) Inpt 2 flashes; Apply input 2 signal (e.g.
Model PD650 Large Display Process Meter Instruction Manual Basic Meter Programming Overview The meter is programmed using three jumper arrays and the ENTER button. The ENTER button is used to calibrate the meter, program various totalizer functions, and set alarm set and reset points. The jumper arrays are used for programming the input signal, lockout, relay fail-safe operation, and relay acknowledge enable.
Model PD650 Large Display Process Meter Instruction Manual Select Calibration Method For best results, allow the meter to warm up for at least 30 minutes. The meter may be calibrated using an external signal source such as a calibrator or scaled using the internal source with the I-CAL feature. With I-CAL, a 4-20 mA input can be scaled for any display range without applying a signal.
Model PD650 Large Display Process Meter Scale or Calibrate the Meter Instruction Manual The meter may be scaled without applying an external signal source or calibrated by applying an external signal source. Scale Using Internal Calibration (I-CAL) Note To simplify programming, write down the desired programming values prior to attempting to program the meter.
Model PD650 Large Display Process Meter Set the first calibration point Input 1 (INPT 1) flashes indicating that the meter is ready to be programmed for the input for the first calibration point. Press ENTER. Set the input for the first calibration point The entire display will flash for three seconds. For instructions see Five Basic Digit/Display Setting Instructions, page 30. Instruction Manual Inpt 1 04.000 then 04.001 final input 1 04.
Model PD650 Large Display Process Meter Instruction Manual Set the second calibration point Input 2 (INPT 2) flashes indicating that the meter is ready to be programmed for the input for the second calibration point. Press ENTER. Set the input for the second calibration point Program the display for input 2 (INPT 2) as described above when the input for the first calibration point was programmed.
Model PD650 Large Display Process Meter Instruction Manual Select programmable root Pro9 r To select programmable root, press ENTER when function is displayed. The meter will now advance to setting the exponent value. Program exponent 1.6070 Program exponent value. Exponent value must be greater than 1.0000 and smaller than 3.0000. Exponent decimal point is fixed. Set the process/rate decimal point 2999.9 The decimal point will begin to scroll, and a zero will be final displayed for the sixth digit.
Model PD650 Large Display Process Meter Instruction Manual Calibrate Using External Calibration (E-CAL) Note To simplify programming, write down the desired programming values prior to attempting to program the meter. The Programmed Parameter Settings form located at the back of this manual provides a convenient method to record the user settings; it also provides the factory setting for most of the programmable parameters. Press ENTER, then press it again when the CalIb calibrate (CalIb) function appears.
Model PD650 Large Display Process Meter Instruction Manual Apply the signal for the first calibration point Input 1 (INPT 1) flashes indicating that the meter is ready to accept a signal for the first calibration point. Apply the desired signal, typically 4 mA, and press ENTER. Set the display for the first calibration point The entire display will flash for three seconds. For instructions see Five Basic Digit/Display Setting Instructions, page 30. Inpt 1 -0.000 then 01.000 then 02.000 final 03.
Model PD650 Large Display Process Meter Instruction Manual Round Horizontal Tank Calibration Points Number of Points: 10 Maximum Error: 0.3% FS Input mA Display (% Volume) 1 4.00 0.00 2 4.80 1.80 3 6.00 7.20 4 7.20 14.20 5 9.20 28.10 6 14.80 71.80 7 16.80 85.80 8 18.00 92.80 9 19.20 98.10 10 20.00 100.00 Number of Points: 8 Maximum Error: 0.5% FS Input mA Display (% Volume) 1 4.00 0.00 2 4.80 1.90 3 6.40 9.50 4 8.40 22.40 5 15.60 77.70 6 17.60 90.
Model PD650 Large Display Process Meter Instruction Manual Rate Meter Programming Overview The meter can also be used to display flow rate. In addition to the scaling and calibration procedures described above, the only setup required for this is setting the meter to display rate, and programming the low-flow cutoff if required. Set Display to Rate (dSPy r) The user may select either process/rate or total to be set as the default displayed reading.
Model PD650 Large Display Process Meter Instruction Manual Low-Flow Cutoff Programming (Cutoff) The low-flow cutoff feature allows the meter to be programmed so that the often unsteady output from a differential pressure transmitter at low-flow rates always displays zero on the meter. The totalizer in the meter accumulates based on the rate display. This means that when the rate display is zero, even as a result of the low-flow cutoff, the totalizer will not accumulate.
Model PD650 Large Display Process Meter Instruction Manual Totalizer Programming Overview The meter can also be used to display total flow. There are five functions to be programmed to allow the meter to act as a flow totalizer: 1. Set Display to Total 2. Set Rate Time Base 3. Set Totalizer Conversion Factor 4. Set Totalizer Decimal Point 5. Set Alternating Display (if Needed) Set Display for Total (dSPy t) The user may select either process/rate or total to be set as the default displayed reading.
Model PD650 Large Display Process Meter Instruction Manual Set Rate Time Base (t baSE) To act as a totalizer, the meter must be programmed with the same time base as the flow transmitter. The time base is the time units in which the rate is displayed. For example, if the rate is in gallons per hour then the time base must be set to kour. To set the time base Press ENTER, then press it again when the time base (t basE) function appears.
Model PD650 Large Display Process Meter Instruction Manual Set totalizer conversion factor Press ENTER, then press ENTER again when the totalizer conversion factor (Tot Cf) function appears. Set the totalizer conversion factor decimal point Immediately after tot Cf is selected, the display will show six numbers. After three seconds, the decimal point will begin to scroll. Select the desired decimal point location by pressing ENTER when the decimal point is in the desired location.
Model PD650 Large Display Process Meter Instruction Manual Set Alternating Total/Rate Display The display may be programmed to automatically toggle between rate and total every ten seconds. To set up the alternating display select no (n) for both, display rate (dSPy r) and display total (dSPy t) under Display Selection (dsplay). Set alternating total and rate display Press ENTER, then press it again when display (dsplay) function appears.
Model PD650 Large Display Process Meter Instruction Manual Set Point Setup and Programming Overview The meter is available with 4 alarm points and corresponding front panel status LEDs as a standard feature. The front panel LEDs are useful for alarm applications that require visual notification only. For applications that require relay contacts, such as driving external alarm devices or batch controlling, the meter can be equipped with either two or four relays.
Model PD650 Large Display Process Meter Instruction Manual Set Relays for Manual or Automatic Reset Jumper array JP5 located on the Display Board is used to program the relays so they can be reset manually. See Figure 14 on page 29 for location of this jumper array.
Model PD650 Large Display Process Meter Instruction Manual Assigning Set Points to Process/Rate or Total (setup) The optional relays can be assigned to respond to the process/rate or the accumulated total using the setup function. Process/rate relays may be set for latching or non-latching operation. Total relays may be programmed for manual or automatic reset after a programmable delay on release has elapsed. Delay on release is available when internal total reset is selected.
Model PD650 Large Display Process Meter Instruction Manual Rate or Total, Latching or Non-Latching Relays Note To simplify programming, write down the desired programming values prior to attempting to program the meter. The Programmed Parameter Settings form located at the back of this manual provides a convenient method to record the user settings; it also provides the factory setting for most of the programmable parameters.
Model PD650 Large Display Process Meter Instruction Manual Select total After selecting t for total, the display will show set point 2 (Set 2), press ENTER to set up set point 2 or wait and the display will move to the next set point. R or t then SET 2 Programming the Second Set Point The only potential difference between the way set point 2 is programmed from the way set point 1 was programmed is if set point 1 was assigned to total.
Model PD650 Large Display Process Meter Instruction Manual Select total when the first set point was assigned to total After selecting t for total for second set point, the display will show preset offset (OFFSEt) press ENTER to set up this function. If ENTER is not pressed within 3 seconds, this function will remain programmed as it was before, and the next set point will be displayed.
Model PD650 Large Display Process Meter Instruction Manual Setting Relays for Pump Alternation (ALtERn) Setting relays for pump alternation control At the end of the SetuP menu, the display will show alternate (ALtErn), press ENTER to set up this function. If ENTER is not pressed within 3 seconds, this function will remain programmed as it was before, and the next menu will be displayed.
Model PD650 Large Display Process Meter Instruction Manual Programming Alarm Points and Presets (SEtPtS) Overview The SEtPtS menu is used to program the following functions: 1. Set and reset points for alarms assigned to process/rate (thus determining high or low alarm status and deadband). 2. Preset values for set points assigned to total 3.
Model PD650 Large Display Process Meter Instruction Manual Programming Alarm and Preset Values (SEtPtS) Alarm, preset, and preset offset values are programmed under the SEtPtS menu, one at a time, starting with set point 1. The set points are programmed according to whether they were assigned to process/rate or total during the setup program. For set points assigned to process/rate it is necessary to program both a set and reset point.
Model PD650 Large Display Process Meter Instruction Manual Figure 19. Programming Status of Set Point LEDs Assigned to Total Note To simplify programming, write down the desired programming values prior to attempting to program the meter. The Programmed Parameter Settings form located at the back of this manual provides a convenient method to record the user settings; it also provides the factory setting for most of the programmable parameters.
Model PD650 Large Display Process Meter Instruction Manual Set the display for alarm # (1,2,3 or 4) set point The entire display will flash for three seconds. For instructions see Five Basic Digit/Display Setting Instructions, page 30. 070.00 then 170.00 then 120.00 final 125.00 Set the display for alarm # (1,2,3, or 4) reset point As soon as the set point for alarm # (1,2,3 or 4) has been programmed, the meter displays the reset point for alarm # (1,2,3, or 4).
Model PD650 Large Display Process Meter Instruction Manual Press ENTER, then press ENTER again when the set points (SetPtS) function appears. Preset values for set points assigned to total with offset If a set point was assigned to total with offset during the Setup function, it means that this set point and the one before it function as a pair. That is, the first relay will always trip a specified number of counts before the second relay.
Model PD650 Large Display Process Meter Instruction Manual 4-20 mA Isolated Output Option Programming (output) Programming the 4-20 mA transmitter output option for the meter does not require the use of a calibrator. The transmitter output can be calibrated so that a 4 mA output is produced for any process/rate measured by the meter. The 20 mA output may correspond to any process/rate that is at least 501 counts greater or smaller than the process/rate corresponding to 4 mA. (Ex. 4 mA = 0, 20 mA = 501).
Model PD650 Large Display Process Meter Instruction Manual Lockout and Display Selection Programming Overview The meter provides the user with the ability to restrict modification of programming values and to exclude menu titles from appearing during the menu scroll. Restricting modification of the programming values is accomplished by installing the lockout jumper (JP1). Excluding menu titles from the menu scroll is performed with the display (dsplay) menu.
Model PD650 Large Display Process Meter Instruction Manual Display Selection (dSPLAy) The dSPLAy menu is used to remove menu titles from appearing during the menu scroll. This feature is useful for eliminating unused menu titles from the menu scroll; making it impossible to perform certain functions, and making the display automatically toggle between process/rate and total.
Model PD650 Large Display Process Meter Instruction Manual Notes: 1. User may program which of these routine titles are active during operation and which ones are not. See below for instructions. 2. Note: Selections made through the display menu (dSPLAY) can be made with or without the lockout jumper installed, but only become active when the lockout jumper is installed. 3. With the lockout jumper in place, the SEtPtS menu still appears. 4.
Model PD650 Large Display Process Meter Instruction Manual Include or Exclude Menu Titles From Menu Scroll Press ENTER, then press ENTER again when the display (Dsplay) function appears. The meter will now scroll through the various menu titles that can be included or excluded. To program a menu title, press ENTER when it appears. Dsplay Set menu scroll to include/exclude display rate Dspy r Display process/rate (Dspy r) will appear for 3 seconds. Press ENTER to set.
Model PD650 Large Display Process Meter Instruction Manual OPERATION Overview This instrument is an analog input process meter with flow rate, totalizer, and batch control capabilities. It accepts the common process signals such as 4-20 mA, 0-5 VDC, 1-5 VDC, and 0-10 VDC. It displays these signals in any engineering unit on a 2.3" high, 4½ digit LED display for process/rate and six full digits for total. The meter also provides two isolated 24 VDC power supplies to drive both the input and output loops.
Model PD650 Large Display Process Meter Instruction Manual The four alarm status LEDs indicate alarm condition only and do not represent relay status when set points are set up for non-latching relay mode. For instance, if alarm 1 is programmed for a high alarm at 500 with manual reset of the relays and the operator resets the relays when the display reads 650, the #1 LED will stay on until the display falls below 500.
Model PD650 Large Display Process Meter Instruction Manual Basic Meter Operation Overview In its most basic form, the meter provides a digital display in engineering units of any process variable from a transmitter, such as temperature, pressure, level, flow, etc. The meter is calibrated for the appropriate range, the output of the transmitter is connected to the meter and the meter displays the process.
Model PD650 Large Display Process Meter Instruction Manual Display Peak & Reset Peak Operation (dSPY P & rSEt P) The meter captures the maximum or highest process/rate reading and displays it through the display peak (dspy p) menu function. The peak value may be reset using the reset peak (rset p) menu function. Display Peak (Hold) Reading Press ENTER, then press ENTER again when the display peak ( DSPy P ) menu-title appears.
Model PD650 Large Display Process Meter Instruction Manual Rate Meter Operation Overview The meter can also be used to display flow rate and is available with a low-flow cutoff feature. Totalizer functions can be excluded from the menu scroll through the dsplay menu function, if the user is not interested in total display. Display Rate (dSPy r) The user may toggle between a display of process/rate or total at any time. When displaying process/rate, the process/rate LED indicator will be illuminated.
Model PD650 Large Display Process Meter Instruction Manual Totalizer Operation Overview The meter provides a display of accumulated flow total by integrating the flow rate input to the meter and multiplying this value by a user-defined totalizer conversion factor. The total is displayed on a six-digit display that is capable of reading to 999,999. When the total exceeds 999,999, the display “rolls” over and begins counting from zero again without loosing counts.
Model PD650 Large Display Process Meter Instruction Manual Applications Using Total Conversion Factor and Time Base The following tables illustrate the effect various total conversion factors and time bases have on the operation of the meter: Application #1 Rate 60 Time base Min Total conv factor Total after one second Total after one minute Total after one hour Total after one 1 1 60 gallon gallons 360 gallons 8640 gallons GPM day In the above application, a totalizer conversion factor of
Model PD650 Large Display Process Meter Instruction Manual Totalizer Reset The totalizer may be reset in any of three ways: 1. 2. 3. Via the front panel ENTER button External contact closure Automatically via highest preset value Resetting Total Using the ENTER Button Press ENTER, then press ENTER again when the reset total (RSEt t) function appears. After ENTER is pressed, the total display resets to zero. 87652.0 then RSEt t then 0.
Model PD650 Large Display Process Meter Instruction Manual Relays Operation Overview The relay capabilities of the meter expand its usefulness beyond simple indication to provide users with alarm and control functions. These capabilities include front panel alarm status LEDs as well as either 2 or 4 optional relays. Typical applications include high or low temperature, level, pressure or flow alarms, simple control applications like sump-pump or tank-filling and automatic or manual batch controlling.
Model PD650 Large Display Process Meter Instruction Manual Front Panel LEDs Figure 25. Front Panel LED Indicator Locations The LEDs on the front panel provide status for the following: LED Status LED Status 1 Alarm 1 S Set point indicator 2 Alarm 2 R Reset point indicator 3 Alarm 3 4 4 mA indicator 4 Alarm 4 20 20 mA indicator R Rate indicator The meter is supplied with four alarm points that include front panel LEDs to indicate alarm conditions.
Model PD650 Large Display Process Meter Instruction Manual Relay key legend for following tables Key Relay condition On Tripped Off Reset Ack Acknowledged The On and Off keys do not refer to the status of the relay’s coil, which depends on the fail-safe mode selected. Non-Latching Relay Automatic reset only JP5(1-4 off) Condition LED Relay Normal Off Off Alarm On On Ack (No effect) On On Normal Off Off In this application, the meter is set up for automatic reset and non-latching relay.
Model PD650 Large Display Process Meter Instruction Manual Latching Relay Manual reset only after signal passes reset point JP5(1-4 off) Condition LED Relay Normal Off Off Alarm On On Ack (No effect) On On Normal On On Ack Off Off In this application, the meter is set up for manual reset only after the signal passes the reset point of the latching relay. Acknowledging the alarm while it is still present has no effect on either the LED or the relay.
Model PD650 Large Display Process Meter Instruction Manual Simple On/Off Control with 100% Deadband Operation The meter can be used as a simple On/Off controller as the following illustrates: Using the meter for sump-pump control and alarm control Relay #1 turns the main pump on at 6000 gallons and turns it off at 1000 gallons. Relay #2 turns on the backup pump at 7000 gallons and turns it off at 1000 gallons.
Model PD650 Large Display Process Meter Relay #3 trips the High Level Alarm at 7500 gallons and resets at 6900 gallons. Relay #4 trips the Low Level Alarm at 495 gallons and it resets at 750 gallons.
Model PD650 Large Display Process Meter Instruction Manual Manual Batch Control Operation The meter can be used for simple manual batch control as the following illustrates: The valve and External Switch KEY Legend is as shown: Both valves are open to fill the barrel: Meter displays barrel contents. Full-flow valve #1 is closed and restricted-flow valve #2 “dribbles” in the remaining 5 gallons. When total reaches 55.00, relay 2 trips and closes restricted-flow valve #2. Display freezes on 55.
Model PD650 Large Display Process Meter Instruction Manual Automatic Batch Control Operation The meter can be used for automatic batch control as the following illustrates: The valve KEY Legend is as shown: Both valves are opened to fill the barrel. The top valve is the full flow valve, the bottom valve the restricted flow valve. The meter displays the barrel’s content. Full-flow valve #1 is closed and restricted-flow valve #2 “dribbles” in the remaining 5 gallons. When the total reaches 55.
Model PD650 Large Display Process Meter Instruction Manual Delay on Release (delay) The meter can be programmed so that when the highest preset value is reached the total will automatically reset to zero (Automatic Batch Control). A delay on release can be programmed to reset the total relays after the delay has elapsed. The delay can be programmed from 1 to 999 seconds.
Model PD650 Large Display Process Meter Instruction Manual Pump Alternation Control For pump control applications where two similar pumps are used to control the level of a tank or a well, it is desirable to have the two pumps operate alternately. This prevents excessive wear and overheating of one pump over the lack of use of the second pump. A pair of relays can be set up to alternate every time an on/off pump cycle is completed.
Model PD650 Large Display Process Meter Instruction Manual Switching Inductive Loads The relay contacts on the Options Board are already protected with suppression components (snubbers). If additional suppression is required, this suppression can be obtained with RC networks assembled by the user or purchased as a complete assembly. Refer to the following circuits for RC network assembly and installation: AC and DC Loads Figure 26. AC and DC Loads Protection Choose R and C as follows R: 0.
Model PD650 Large Display Process Meter Instruction Manual 4-20 mA Output Operation Overview The meter can be equipped with an isolated 4-20 mA output option that can be programmed to produce a 4-20 mA signal for virtually any process/rate display with at least a 501 count span. Lockout and Display Selection Operation Overview The meter provides the user with the ability to restrict modification of programming values and to exclude menu titles from appearing during the menu scroll.
Model PD650 Large Display Process Meter Instruction Manual INSTALLATION The meter overall dimensions are as shown: Figure 28. Overall Dimensions Wall Mounting Dimensions There are four mounting holes on the rear of the enclosure. They are used to mount the instrument to a wall. The dimensions for the mounting holes are shown in the following figure. 3.2" (82) 13.49" (342.6) 13.54" (344.0) 0.25" (6.2) dia. typ. Figure 29. Wall Mounting Dimensions Procedure: 1.
Model PD650 Large Display Process Meter Instruction Manual Panel Mounting Instructions For applications where it is required to mount the meter into a panel, the PDA6504 panel mounting kit is available (See Ordering Information on page 8). BRACKET METER BASE METER COVER PANEL DECORATIVE BEZEL Figure 30. Panel Mounting Instructions 14.30" (363) Ø0.250" (6.4) 4.97" (126) 3.23" (82) 15.32" (389) Figure 31.
Model PD650 Large Display Process Meter Instruction Manual Panel Mounting Assembly Instructions: 1. Drill holes in panel as specified above. 2. Secure the two side mounting brackets to the meter base using the supplied hardware. 3. Mount this assembly to the rear of the panel using supplied hardware. 4. Secure the meter cover to the base. 5. Adhere decorative bezel to the panel. 6. All dimensions are in inches and millimeters (mm). Notes: 1. Allowable panel thickness: 0.06" – 0.25" (1.5 mm x 6.4 mm).
Model PD650 Large Display Process Meter Instruction Manual OPTION CARD REMOVAL & INSTALLATION Meter options are installed at the factory. To disable relays’ fail-safe operation, it is necessary to remove the Display Board to gain access to the Options Board. Option cards may be ordered separately. Refer to the following instructions and illustrations. Figure 32. Removing the Display Board Main PCB Options PCB Figure 33.
Model PD650 Large Display Process Meter MAIN PCB Instruction Manual OPTIONS PCB Figure 34. Options Board Installed Instructions: 1. Disconnect power to the meter prior to removing the front cover. 2. Remove the Display Board and detach from the ribbon cable connector. 3. Remove the two right side standoffs and plastic washers; discard the two plastic washers. 4. Install Options Board, using the two standoffs removed in step 3. 5. Connect the flexible cable connector J2 to J3 connector on Main Board. 6.
Model PD650 Large Display Process Meter Instruction Manual PROGRAMMED PARAMETER SETTINGS The following table shows the factory setting for most of the programmable parameters on the meter. Next to the factory setting, the user may record the new setting for the particular application.
Model PD650 Large Display Process Meter Parameter Display Total reset mode e rst External total reset Set point values Set 1 1000 Set 2 4000 Set 3 70.00 (Reset 3) 60.00 Set 4 90.00 (Reset 4) 80.00 (4 mA) 000.00 (20 mA) 100.
Model PD650 Large Display Process Meter Instruction Manual User Multi-Point Scaling Table Parameter Display Input 1 InPt 1 Display 1 dspy 1 Input 2 InPt 2 Display 2 dspy 2 Input 3 InPt 3 Display 3 dspy 3 Input 4 InPt 4 Display 4 dspy 4 Input 5 InPt 5 Display 5 dspy 5 Input 6 InPt 6 Display 6 dspy 6 Input 7 InPt 7 Display 7 dspy 7 Input 8 InPt 8 Display 8 dspy 8 Input 9 InPt 9 Display 9 dspy 9 Input 10 InPt 10 Display 10 dspy 10 Input 11 InPt 11 Display 11 dspy
Model PD650 Large Display Process Meter Instruction Manual User Set Point Setup and Programming Table Parameter Display Set point 1 SET 1 User Setting latCH Set point 2 SET 2 latCH OFFSEt Set point 3 SET 3 latCH OFFSEt Set point 4 SET 4 latCH OFFSEt Total reset mode I or E Delay on release delay Set point 1 Set 1 Reset point 1 (Reset 1) Set point 2 Set 2 Reset point 2 (Reset 2) Set point 3 Set 3 Reset point 3 (Reset 3) Set point 4 Set 4 Reset point 4 (Reset 4) 92
Model PD650 Large Display Process Meter Instruction Manual Diagnostic Feature (dIA9) Overview The Diagnostic menu in the meter provides an easy way to view and write down the parameter settings. The information gathered through the diagnostic menu will be helpful to determine if a wrong setting is causing the operation of the meter to be undesirable. Operation When the diagnostic menu is entered, the function and programmed parameter settings will be displayed one at a time.
Model PD650 Large Display Process Meter Instruction Manual OTHER PRECISION DIGITAL PRODUCTS Model PD118 PD141AFO PD202 PD213-224 PD233-253 PD602 PD644 PD655 PD656 PD660 PD661 PD673 PD675 PD677 PD685 PD686 PD687 PD690 PD691 PD692 PD693 PD696 PD697 PD698 PD740 PD750 PD751 Description MINIMUX® 8 Point Scanner VIGILANTE® four Point Annunciator with First-Out General Purpose Digital Pressure Gauge Industrial Digital Pressure Gauges (FM & CSA) Precision Digital Test Pressure Gauges (FM & CSA) Dart Low-Cost 1/8
Model PD650 Large Display Process Meter NOTES 95 Instruction Manual
Model PD650 Large Display Process Meter Instruction Manual How to Contact Precision Digital • For Technical Support please call: (800) 610-5239 or (508) 655-7300 fax: (508) 655-8990 e-mail: support@predig.com • For Sales Support or to place an order please call: (800) 343-1001 or (508) 655-7300 fax: (508) 655-8990 e-mail: sales@predig.com • For Extended Warranty, Setup & Calibration Services please visit www.predig.com • For an online version of this instruction manual please visit www.predig.
