FOR HITACHI INVERTER SJ-FB (Feed-Back Board) INSTRUCTION HITACHI NB616XB Thank you for purchasing the SJ-FB (HITACHI FEED-BACK BOARD).
SAFETY To get best performance with SJ-FB (Feedback Board), read this manual, the SJ300 Instruction Manual, and all of the warning labels attached to the inverter carefully before installation and operation, and follow the instructions exactly. Keep this manual handy for your quick reference. Definitions and Symbols A safety instruction (message) is given with a hazard alert symbol and a signal word - WARNING or CAUTION . Each signal word has the following meaning throughout this manual.
c a r e s h o u l d b e t a k e n t o p r o t e c t a g a i n s t s h o c k . St a n d o n a n i n s u l a t i n g p a d a n d make it a habit to use only one hand when checking components. Always work with another person in case an emergency occurs. Disconnect power before checking controllers or performing maintenance. Be sure the equipment is properly grounded. Wear safety glasses whenever working on electronic controllers or rotating electrical equipment.
Revision Hist ory Table No . 1 Revision Contents Initial Release of Manual NB616X The Date Operation of Issue Manual No. Feb. 2000 NB616X A Revision A, by P. Curtis/Hitachi America, Ltd. August 2000 NB616XA B Revision B, by P. Curtis/Hitachi America, Ltd.
WARNING Only qualified personnel should carry out wiring work. Otherwise, there is a danger of electric shock and/or fire. Implement wiring after checking that the power supply is off. Otherwise, there is a danger of electric shock and/or injury. Be sure not to touch inside the inverter case and terminals of the option board while the inverter is energized. O t h e r w i s e , t h e r e i s a d a n g e r o f e l e c t r i c s h o c k a n d / o r i n j u r y.
CAUTION Do not allow materials such as cutting waste, welding sputter, wire fragments, solder balls, dust etc. to come into contact with the unit. There is a fire risk. Inverter main body and option board must be mounted securely. There is a risk of intermittent connection due to vibration. Tighten the screws of the encoder line on the option board so that there is no loose connection. There is a risk of intermittent connection due to vibration.
CONTENTS Contents Chapter 1 GENERAL DESCRIPTIONS 1.1 Inspection upon unpacking 1.2 Inquiries and Warranty 1.2.1 Inquiries 1.2.2 Warranty PAGE 7 7 7 7 7 Chapter 2 OUTLINE OF SJ-FB 8 Chapter 3 INSTALLATION 9 Chapter 4.1 4.2 4.3 4 WIRING AND CONNECTION Terminal Assignments of the SJ-FB Board Function Explanation of the Terminals Terminal Connections 10 10 11 12 Chapter 5.1 5.2 5.3 5.
Chapter 1 GENERAL DESCRIPTIONS 1.1 Inspection upon unpacking Handle with care. Please verify the contents of the package check for any damage that may have occurred during transportation. (Package contents) 1. SJ-FB (Feed back board) 1 2. Instruction manual 1 3. Board mounting screws (M3×8mm) 2 Please contact your supplier or Hitachi Distributor immediately if anything is missing or broken. 1.2 Inquiries and Warranty 1.2.
Chapter 1 the local Hitachi Distributor.
Chapter 2 OUTLINE OF SJ-FB This manual describes the option board SJ-FB for the SJ300 series inverter. This SJ-FB board, installed in an SJ300 inverter, detects the rotation speed of a motor by accepting pulses from a shaft-mounted motor encoder, achieving highly accurate speed regulation.
Chapter 3 INSTALLATION How to Mount the SJ-FB Board Align the holes at the four corners of the SJ-FB board to the guide posts for positioning, in option port 1 or 2 of the inverter. Then gently push the option board into position, making sure the board is fully seated in its connector. Install two screws to secure the board to the inverter body as shown below.
Chapter 4 WIRING AND CONNECTION 4.
Chapter 4 WIRING AND CONNECTION Input terminals 4.2 Function Explanation of the Terminals Code Pulse train position command inputs SAP SAN SBP SBN Encoder signal inputs EAP EAN EBP EBN EZP EZN A, B, Z: rotary encoder signal input STAT Position control with pulse train input is valid when STAT is Turned ON.
Chapter 4 WIRING AND CONNECTION Figure 4-2 Terminal wiring Configure to an intelligent input term. 1-8 Input terminal Output terminal SJ-FB (Feed-back board) Inverter main body control FW RV LAC LAD cancellation signal PCLR Position deviation Clear signal ORT Orientation signal STATPulse train input permisive signal CM1 TM1 POK Positioning completion signal ZS Zero speed signal DSE Speed deviation excessive signal H O L TM2 Configure to an intelligent output term.
Chapter 4 WIRING AND CONNECTION (Note 3) : Be sure to separate the power wiring from the control circuit wiring. If they have to be crossed, be sure that they cross at a right angle. Power cables R, S, T, U, V, W, P, PD, RB, N, R0, T0 etc. Right angle Input/Output signal lines Control signals (STAT, ORT, LAC, PCLR, SAP, SAN, SBP, SBN, EAP, EAN, EBP, EBN, POK, DSE, ZS, AP, AN, BP, BN, L, EP5, EG5, CM1, CM2, P24, PLC etc.) Separate 10cm or more.
Chapter 5 SETTING 5.1 Setting the DIP Switches Layout of SJ-FB How to Set Switches SWENC and SWR [ON/OFF] SWENC SWR O F F TM1 1 2 Slide to the (OFF) marked side of the switch to turn it off and the opposite side to turn it on. TM2 Figure 5-1 Switch arrangement figure 5.2 Switch Initial Settings Setting item Switch No. Contents Detection of disconnected A or B signal (EAP-EAN or EBP-EBN) is valid. 1 Detection of disconnected A or B signal (EAP-EAN or SWENC OFF EBP-EBN) is invalid.
Chapter 5 SETTING 5.3 Inverter Configuration Parameters for the SJ-FB Board Code Function name A044 1st control method Setting range H006 00(VC) / 01(VP1.7power) / 02(Free V/f Setting) / 03(SLV) / 04(0Hz area SLV) / 05(V2) Auto-tuning mode 00(NOR : Invalid) / 01(NRT : not rotate)/ 02(AUT : selection rotate) 00(Hitachi standard motor constant)/ st 1 motor constant 01(Auto-tuning data)/ selection 02(Auto tuning data with online auto-tuning) 1st motor capacity 0.20 - 75.
Chapter 5 Code Function name H034 The 1st motor J setting (Auto-tuning data) H050 H051 H052 H070 H071 H072 P001 P002 P011 P012 P013 P014 P015 P016 P017 P018 P019 P020 P021 P022 P023 P025 P026 P027 1st PI control proportional gain setting 1st PI control integral gain setting 1st P control proportional gain setting PI control proportional gain switching PI control integral gain setting P control proportional gain setting Option 1 operation selection on error Option 2 operation selection on error Encoder
Chapter 5 SETTING (Note 1) : Please refer to the instruction manual of the inverter main body as to the setting procedure. (Note 2): When the over speed abnormal detection level (P026), the speed error over detection level (P027) are set 0, the Abnormal detection data processing will be invalid. (Note 3): Regarding the SJ-FB setting, there are some warning about what type of main body combines with the SJ-FB which is written following list. No.
Chapter 5 5.4 Setting Flowchart for the DIP Switches START NO Detect a wire break of A, B phase signal? YES Set SWENC1 switch OFF. Set SWENC1 switch ON. NO Detect a wire break of the Z phase signal? YES Set SWENC2 switch OFF. Set SWENC2 switch ON. NO Use the pulse train position command input? YES Connect parallel motors to the pulse train position command input? NO YES Turn SWR1, 2 on only 1 unit that is the most distant from a master inverter in a plural motor. Set SWR1,2 switch ON.
Chapter 6 OPERATION Refer to [Chapter 3 OPERATION] in the instruction manual for the SJ300 inverter before operating with this board. When the operation command is given from the terminal side of the inverter main body, operate with the following procedure. 1. Turn ON the POWER switch of the inverter. 2. Set the control method (A044) in [05]. 3. Set the necessary items according to the instruction manual "Chapter 4 FUNCTION EXPLANATION" of the inverter main body. 4.
Chapter 6 OPERATION (Note 6) : If satisfactory performance can not be obtained, adjust the motor constants for the particular symptoms observed according to following table: Inverter Status Symptom Observed Adjustment Guidelines at Set “Motor constant J” higher gradually, up to 1.2 times the initially preset (default) value. At Set the speed response lower. Instability of motor deceleratio Set “Motor constant J” smaller than the rotation n initially preset value.
Chapter 7 FUNCTIONS Relation 7.1 Orientation function A044: 1 st Control Method This board is provided with the orientation function used to position the motor at a certain point during operation. This function can be used for replacing a component of the main axis of the subject machine tool for example. P014: Orientation Stop Position 7.1.
Chapter 7 FUNCTIONS 4. Inverter maintains the position after the completion, and outputs the ‘position control completion (POK) signal’ after the set value of ‘delay time setting (P018). (Inverter drives the motor reverse and return to the required stop position in the case it exceeds the required stop position.) 5. When the ORT terminal is turned off, the inverter stops operation and the orientation mode is cleared. (Note3) In case of using Z pulse, use 5V line driver type output for EZP-EZN input.
Chapter 7 FUNCTIONS 7.1.2 Data setting Data setting related to speed control Setting item Function code Setting Range, Setting Contents Orientation speed setting (Note 1) P015 0.00∼99.99 / 100.0∼120.0 (Hz) Orientation direction setting (Note 2) P016 0:Forward / 1:Reverse (Note 1) : In order to stop the motor for setting position. (Motor takes 2 rotation to stop setting position)Don’t set high frequency to the orientation speed setting. Otherwise it will be over-voltage protection trip.
Chapter 7 FUNCTIONS Data setting of the input-output terminal Input Output Input-output terminal Terminal assignment ORT terminal (ORT) Set up 45 to one of them of C001∼C008 ON : Orientation mode Set up 23 to one of them of C021∼C025 Output when it comes to the positioning completion range. Positioning completion signal (POK) Contents 7.2 Speed control (ASR) When the control mode selection (P012) is set to 00, operation mode becomes a speed control operation mode (ASR mode).
Chapter 7 Master Inverter FUNCTIONS Slave Inverter AP,BP AN,BN SAP,SBP SAN,SBN EG5 EG5 EAP,EBP EAN,EBN EAP,EBP EAN,EBN Sub Motor Main Motor M M EC EC Figure 7-3 Wiring for Synchronized Operation (Note) : Please connect EG5 of the main and sub inverter together to avoid malfunction caused by EMC noise. 7.3.
Chapter 7 FUNCTIONS Output Input (Note 3) : N/D must be given as the ranges of 1/50 ≤ (N/D) ≤ 20. (N: Electronic gear ratio numerator, D: Electronic gear ratio denominator) (Note 4) : It depends on what type of main body combines with the SJ-FB, the setting value conversion is different. Please refer to the (Note 3) of the “5.3 Items regarding the feed back board of the inverter main body“.
[Setting example] Chapter 7 Main Motor : Encoder pulse 1024 pulses Sub Motor : Encoder pulse 3000 pulses (Main motor rotation speed) : (sub motor rotation speed) = 2 : 1 Set the following for slave inverter in this case.
Chapter 7 FUNCTIONS 7.3.4 Pulse train mode selection The following 3 ways of pulse line input can be selected by the setting of P013.
Chapter 7 FUNCTIONS Relation 7.4 Speed control (P/PI) switching function Speed control mode is normally controlled by A044: 1 Control Method proportional-integration compensation (Pi), which keeps the P052: 1 Proportional gain deviation between the actual speed and speed command becomes 0. Further, you can also achieve a propotional control function, which can be used as drooping operation (i.e. one load with several inverters) with this option card.
Chapter 7 7.5 Compensation of secondary resistor function (Temperature revision) FUNCTIONS Relation Please use this function, if you want to do the temperature revision P025: Compensation of secondary to restrain the speed fluctuation by the temperature change of the resistor selection motor. (Please use the thermistor of the characteristic like type B b098: Thermistor selection that shows it below.
Chapter 8 PROTECTION FUNCTION 8.1 Action selection in case of option error To ignore or make inverter trip can be selected in case of option error. Item Function code Action selection in case of option error P001 / P002 Data 00 Contents TRP: Inverter trips and outputs alarm signal. RUN: Inverter ignores the option error and continues the operation.
Chapter 8 PROTECTION FUNCTION frequency setting (A004). Please confirm the case, orientation speed setting (P015) and highest frequency setting (A004).
Chapter 8 PROTECTION FUNCTION Product specification Speed control Item Encoder feed-back: Speed control system: • • • Specification Standard encoder pulse number 1024 pulse/r Max. input pulse 100k pulse/s Proportional-Integral (PI) / Proportional (P) control • Position control Position command: Electronic gear: Orientat ion Stop position: Speed: Protection function Three kinds of pulse train input selectable by main body setting.