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7300CV MODBUS COMMUNICATION PROTOCOL

 

File No. :PC-CV-08 
Version : 1.A 
Page : 

6/34 

 

                                             

3.Command START ADDRESS 

 

Function Description

 

Command 

Start Address

Data length 

(WORD) 

Ladder page1 read 

200H 

0AH 

Ladder page2 read 

20AH 

0AH 

Ladder page3 read 

214H 

0AH 

Ladder page4 read 

21EH 

0AH 

Ladder page5 read 

228H 

0AH 

Timer1 Function read 

264H 

05H 

Timer2 Function read 

269H 

05H 

Timer3 Function read 

26EH 

05H 

Timer4 Function read 

273H 

05H 

Timer5 Function read 

278H 

05H 

Timer6 Function read 

27DH 

05H 

Timer7 Function read 

282H 

05H 

Timer8 Function read 

287H 

05H 

Counter1 Function read 

28CH 

04H 

Counter2 Function read 

290H 

04H 

Counter3 Function read 

294H 

04H 

Counter4 Function read 

298H 

04H 

Encoder1 Function read 

2ACH 

05H 

Encoder2 Function read 

2B1H 

05H 

Encoder3 Function read 

2B6H 

05H 

Encoder4 Function read 

2BBH 

05H 

Analog1 Function read 

2C0H 

03H 

Analog2 Function read 

2C3H 

03H 

Analog3 Function read 

2C6H 

03H 

Analog4 Function read 

2C9H 

03H 

Control function read 

2CCH 

06H 

Contro2 function read 

2D2H 

06H 

Contro3 function read 

2D8H 

06H 

Contro4 function read 

2DEH 

06H 

Contro5 function read 

2E4H 

06H 

Contro6 function read 

2EAH 

06H 

Contro7 function read 

2F0H 

06H 

Contro8 function read 

2F6H 

06H 

03 

All Coil status read 

2FCH~303H

08H 

 

Summary of Contents for 7300CV

Page 1: ...7300CV MODBUS COMMUNICATION PROTOCOL File No PC CV 08 Version 1 A Page 1 34 7300CV MODBUS USER S MANUAL COMMUNICATION INTERFACE...

Page 2: ...is terminated at each end with an external terminating resistor 120 ohm 1 4 watt 1 2 Data format frame FOR ASCII MODE STX 3AH Start Bit 3AH Address Hi Address Lo Communication Address Station 2 digit...

Page 3: ...to the No 16 Driver and so on Max to No 254 FEH 1 4 Function Code 03H Read the register contents 06H Write a WORD to register 08H Loop test 10H Write several data to register complex number register w...

Page 4: ...been performed When this is done a complete 8 bit byte will be processed 6 Repeat Steps 2 through 5 for next 8 bit byte of the message Continue doing this until all bytes have been processed The fina...

Page 5: ...Page 5 34 2 3 TIME OUT 400ms RETRY max 2 times PC LINK S 400ms PC LINK S 400ms PC LINK S When INV PLC time out or detect checksum error or INV PLC response error code checksum error PC LINK retry maxi...

Page 6: ...05H Timer8 Function read 287H 05H Counter1 Function read 28CH 04H Counter2 Function read 290H 04H Counter3 Function read 294H 04H Counter4 Function read 298H 04H Encoder1 Function read 2ACH 05H Encod...

Page 7: ...nction write 287H 04H Counter1 Function write 28CH 03H Counter2 Function write 290H 03H Counter3 Function write 294H 03H Counter4 Function write 298H 03H Encoder1 Function write 2ACH 04H Encoder2 Func...

Page 8: ...ailable under PLC running mode 4 Error code ASCII Mode RTU Mode STX SLAVE Address 02H 0 Function 83H Address 1 Exception code 52H 8 High C0H Function 6 CRC 16 Low CDH 5 Exception code 1 2 LRC Check 8...

Page 9: ...ction Code 30H 31H 32H 34H Data length Byte 30H 30H Register Number Send out the data from 200H 209H total 40 Byte 30H 30H CHECK SUM 30H 0DH END 41H Data Length 0AH END CHECK SUM 0DH END 0AH END RTU M...

Page 10: ...ction Code 30H 30H 32H 41H Data length Byte 36H 34H Register Number Send out the data from 264H 268H total 20 Byte 30H 30H CHECK SUM 30H 0DH END 35H Data Length 0AH END CHECK SUM 0DH END 0AH END RTU M...

Page 11: ...30H 30H 32H 38H Data Length Byte 38H 43H Register Number send out the data from 28CH 28FH total 16 Byte 30H 30H CHECK SUM 30H 0DH END 34H Data Length 0AH END CHECK SUM 0DH END 0AH END RTU Mode PC INV...

Page 12: ...30H 30H 32H 41H Data Length Byte 41H 43H Register Number Send out the data from 2ACH 2B0H total 20 Byte 30H 30H CHECK SUM 30H 0DH END 35H Data Length 0AH END CHECK SUM 0DH END 0AH END RTU Mode PC INV...

Page 13: ...30H 30H 32H 36H Data Length Byte 43H 30H Register Number Send out the data from 2C0H 2C2H total 12 Byte 30H 30H CHECK SUM 30H 0DH END 33H Data Length 0AH END CHECK SUM 0DH END 0AH END RTU Mode PC INV...

Page 14: ...30H 30H 32H 43H Data Length Byte 43H 43H Register Number Send out the data from 2CCH 2D1H total 24 Byte 30H 30H CHECK SUM 30H 0DH END 36H Data Length 0AH END CHECK SUM 0DH END 0AH END RTU Mode PC INV...

Page 15: ...1H 32H 30H Data Length Byte 46H 43H Register Number Send out the data from 2FCH 303H total 32 Byte 30H 30H CHECK SUM 30H 0DH END 38H Data Length 0AH END CHECK SUM 0DH END 0AH END RTU Mode PC INV PLC I...

Page 16: ...r Number 30H 30H 30H 30H 30H 30H 41H Data Length Byte 41H Data Length 31H 34H DATA Number CHECK SUM 0DH END Send out the data from 200H 209H total 40 Byte 0AH END CHECK SUM 0DH END 0AH END RTU Mode PC...

Page 17: ...Number 34H Register Number 30H 30H 30H 30H 30H 30H 34H Data Length Byte 34H Data Length 30H 38H DATA Number CHECK SUM 0DH END 0AH END Send out the data from 264H 267H total 16 Byte CHECK SUM 0DH END 0...

Page 18: ...egister Number 30H 30H 30H 30H 30H 30H 33H Data Length Byte 33H Data Length 30H 36H DATA Number CHECK SUM 0DH END 0AH END Send out the data from 28CH 28EH total 12 byte CHECK SUM 0DH END 0AH END RTU M...

Page 19: ...egister Number 30H 30H 30H 30H 30H 30H 34H Data Length Byte 34H Data Length 30H 38H DATA Number CHECK SUM 0DH END 0AH END Send out the data from 2ACH 2AFH total 16 Byte CHECK SUM 0DH END 0AH END RTU M...

Page 20: ...egister Number 30H 30H 30H 30H 30H 30H 33H Data Length Byte 33H Data Length 30H 36H DATA Number CHECK SUM 0DH END 0AH END Send out the data from 2C0H 2C2H total 12 Byte CHECK SUM 0DH END 0AH END RTU M...

Page 21: ...egister Number 30H 30H 30H 30H 30H 30H 36H Data Length Byte 36H Data Length 30H 43H DATA Number CHECK SUM 0DH END 0AH END Send out the data from 2CCH 2D1H total 24 Byte CHECK SUM 0DH END 0AH END RTU M...

Page 22: ...written to Data to be written to 16 Bit data comprising of 4 ASCII codes Data to be written to 16 Bit data comprising of 4 ASCII codes CHECK SUM CHECK SUM 0DH END 0DH END 0AH END 0AH END RTU Mode 01H...

Page 23: ...t Reset Reset 4 Jog Command Jog 5 Multi function Command S1 ON OFF 6 Multi function Command S2 ON OFF 7 Multi function Command S3 ON OFF 8 Multi function Command S4 ON OFF 9 Multi function Command S5...

Page 24: ...ver voltage at constant speed decelerating OV C 14 Inverter over heat at constant speed OH C 15 Inverter over speed OVSP 16 CPU interrupted CTER 17 OC_S 18 19 Unused 20 Over current at stop OC 21 Moto...

Page 25: ...ion output1 RELAY1 ON OFF B Multi function output 1 RELAY2 ON OFF Contact output C F unused 122H 0123H Frequency command 0124H Output frequency 0125H Output voltage command 1 1V 0126H Output DC voltag...

Page 26: ...2H SLAVE Address 30H 30H 38H 33H Function Code 33H Function Code 33H Function Code 30H 30H 35H 31H 32H DATA number 32H Error Code 32H 31H 0DH 33H Start Address 37H 0AH END 30H 37H 30H 30H First holdin...

Page 27: ...ress 31H SLAVE Address 30H 30H 38H 38H Function Code 38H Function Code 38H Function Code 30H 30H 32H 30H 30H 30H Error Code 30H 30H 30H Test Codes 30H Test Codes LRC CHEC 0DH 41H 41H 0AH END 35H 35H 3...

Page 28: ...0H 38H 36H Function Code 36H Function Code 36H Function Code 30H 30H 35H 31H 31H 32H Error Code 30H 30H 32H Start Address 32H Start Address LRC CHECK 0DH 31H 31H 0AH END 37H 37H 37H 37H 30H DATA 30H D...

Page 29: ...Instruction Message Response Message Normal Response Message Fault 3AH STX 3AH STX 3AH STX 30H 30H 30H 31H SLAVE Address 31H SLAVE Address 31H SLAVE Address 31H 31H 39H 30H Function Code 30H Function...

Page 30: ...SLAVE Address 01H Function Code 10H Function Code 10H Function Code 90H High 01H High 01H Error Code 52H Start Address Low 01H Start Address Low 01H High CDH High 00H High 00H CRC 16 Low FDH Quantity...

Page 31: ...0 8 002BH 3 19 0009H 1 0 002CH 3 20 000AH 1 1 002DH 3 21 000BH 1 2 002EH 3 22 000CH 1 3 002FH 4 0 000DH 1 4 0030H 4 1 000EH 1 5 0031H 4 2 000FH 1 6 0032H 4 3 0010H 1 7 0033H 4 4 0011H 2 0 0034H 4 5 0...

Page 32: ...3 0073H 11 6 0051H 8 4 0074H 11 7 0052H 8 5 0075H 12 0 0053H 9 0 0076H 12 1 0054H 9 1 0077H 12 2 0055H 9 2 0078H 12 3 0056H 9 3 0079H 12 4 0057H 9 4 007AH 12 5 0058H 9 5 007BH 12 6 0059H 9 6 007CH 13...

Page 33: ...B4H 0092H 3 25 00B5H 0093H 3 26 00B6H 0094H 3 27 00B7H 0095H 3 28 00B8H 0096H 3 29 00B9H 0097H 5 9 00BAH 0098H 00BBH 0099H 2 4 00BCH 009AH 2 8 00BDH 009BH 12 7 00BEH 009CH 12 8 00BFH 009DH 4 6 00C0H 0...

Page 34: ...Register No Function 00D2H 00F7H 00D3H 00F8H 00D4H 00F9H 00D5H 00FAH 00D6H 00FBH 00D7H 00FCH 00D8H 00FDH 00D9H 00FEH 00DAH 00FFH 00DBH 00DCH 00DDH 00DEH 00DFH 00E0H 00E1H 00E2H 00E3H 00E4H 00E5H 00E6...

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