Download
Share
Print this page
TECO 7300CV User Manual
  1. Manuals
  2. Brands
  3. TECO Manuals
  4. DC Drives
  5. 7300CV
  6. User manual
TECO 7300CV User Manual

TECO 7300CV User Manual

Modbus communication protocol
Hide thumbs

Advertisement

Quick Links

Download this manual
File No. :PC-CV-08
Version : 1.A
7300CV MODBUS COMMUNICATION PROTOCOL
1/34
Page :
7300CV MODBUS
USER'S MANUAL
COMMUNICATION INTERFACE

Advertisement

loading
Need help?

Need help?

Do you have a question about the 7300CV and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for TECO 7300CV

Summary of Contents for TECO 7300CV

  • Page 1 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 1/34 Page : 7300CV MODBUS USER’S MANUAL COMMUNICATION INTERFACE...
  • Page 2 2/34 Page : 1. Communication Data Frame 7300CV series inverter can be communication controlled by the PC or other controller with the communication protocol, Modbus ASCII Mode & Mode RTU, RS485 or RS232. Frame length maximum 80 bytes 1.1 Hardware installation...
  • Page 3 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 3/34 Page : The data length is varied with the command (Function). SLAVE Address Function Code DATA CRC CHECK Signal Interval ** The interval should be maintained at 10ms between command signal and request 1.3 SLAVE Address...
  • Page 4 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 4/34 Page : (2) Exclusive OR the first 8-bit byte of the message with the low-order byte of the 16-bit CRC register, putting the result in the CRC register. (3) Shift the CRC register one bit to the right (toward the LSB), Zero-filling the MSB, Extract and examines the LSB.
  • Page 5 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 5/34 Page : 2.3 TIME-OUT (400ms) & RETRY (max. : 2 times) PC-LINK 400ms PC-LINK 400ms PC-LINK (When INV(PLC) time-out or detect checksum error, or INV(PLC) response error code = checksum error, PC-LINK retry maximum two times, and if two times after still error, then display “ERR6”)
  • Page 6 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 6/34 Page : 3.Command START ADDRESS Command Data length Function Description Start Address (WORD) Ladder page1 read 200H Ladder page2 read 20AH Ladder page3 read 214H Ladder page4 read 21EH...
  • Page 7 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 7/34 Page : Command Data length Function Description Start Address (WORD) Ladder page1 write 200H Ladder page2 write 20AH Ladder page3 write 214H Ladder page4 write 21EH Ladder page5 write...
  • Page 8 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 8/34 Page : Command Data length Function Description Start Address (WORD) RUN&Stop(PLC) 330H All memory clear 331H (Clear Plc Memory) PASSWORD 332H Note: ‘Write Ladder page write’ and ‘Clear all memory’ are not available under PLC running mode.
  • Page 9 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 9/34 Page : 5.Command Start Address description 5.1 Ladder(* )page read ASCII Mode INV(PLC) INV(PLC) PC Address Address Function Code Function Code Data length (Byte) *Register Number Send out the data from 200H~209H,...
  • Page 10 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 10/34 Page : 5.2 Function block read 5.2.1 Timer function block read ASCII Mode INV(PLC) INV(PLC) PC Address Address Function Code Function Code Data length (Byte) *Register Number *Send out the data from...
  • Page 11 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 11/34 Page : 5.2.2 Counter function block read ASCII Mode INV(PLC) INV(PLC) Address Address Function Code Function Code Data Length (Byte) *Register Number *send out the data from 28CH~28FH, total 16 Byte...
  • Page 12 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 12/34 Page : 5.2.3 Encoder function block read ASCII Mode INV(PLC) INV(PLC) Address Address Function Code Function Code Data Length (Byte) *Register Number *Send out the data from 2ACH~2B0H, total 20 Byte...
  • Page 13 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 13/34 Page : 5.2.4 Analog function block read ASCII Mode INV(PLC) INV(PLC) Address Address Function Code Function Code Data Length (Byte) *Register Number *Send out the data from 2C0H~2C2H, total 12 Byte...
  • Page 14 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 14/34 Page : 5.2.5 Control function block read ASCII Mode INV(PLC) INV(PLC) Address Address Function Code Function Code Data Length (Byte) *Register Number *Send out the data from 2CCH~2D1H, total 24 Byte...
  • Page 15 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 15/34 Page : 5.2.6 Coil status read ASCII Mode INV(PLC) INV(PLC) Address Address Function Code Function Code Data Length (Byte) *Register Number *Send out the data from 2FCH~303H, total 32 Byte...
  • Page 16 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 16/34 Page : 6.3 Ladder page write ASCII Mode INV(PLC) INV(PLC) Address Address Function Code Function Code *Register *Register Number Number Data Length Data Length (Byte) CHECK DATA Number *Send out the data from...
  • Page 17 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 17/34 Page : 6.4 Function block write 6.4.1 Timer function block write ASCII Mode INV(PLC) INV(PLC) Address Address Function Code Function Code *Register *Register Number Number Data Length Data Length...
  • Page 18 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 18/34 Page : 6.4.2 Counter function block write ASCII Mode INV(PLC) INV(PLC) Address Address Function Code Function Code *Register *Register Number Number Data Length Data Length (Byte) CHECK DATA Number...
  • Page 19 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 19/34 Page : 6.4.3 Encoder function block write ASCII Mode INV(PLC) INV(PLC) Address Address Function Code Function Code *Register *Register Number Number Data Length Data Length (Byte) CHECK DATA Number...
  • Page 20 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 20/34 Page : 6.4.4 Analog function block write ASCII Mode INV(PLC) INV(PLC) Address Address Function Code Function Code *Register *Register Number Number Data Length Data Length (Byte) CHECK DATA Number...
  • Page 21 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 21/34 Page : 6.4.5 Control function block write ASCII Mode INV(PLC) INV(PLC) Address Address Function Code Function Code *Register *Register Number Number Data Length Data Length (Byte) CHECK DATA Number...
  • Page 22 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 22/34 Page : 6.4.6 Coil status write ASCII Mode INV(PLC) INV(PLC PC Address Address Function Code Function Code *Register *Register Number Number *Data to be written to *Data to be written to...
  • Page 23 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 23/34 Page : 6.5 Inverter Control 6.5.1 Command Data (Readable and Writable) Register No. Content Operation Signal Description Operation Command Stop Reverse Command Reverse Forward External Fault Fault (EFO) Fault Reset...
  • Page 24 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 24/34 Page : 6.5.2 Monitor Data (Only for reading) Register No. Content Description Operation state Stop Direction state Reverse Forward 120H Inverter operation prepare state ready unready Abnormal Abnormal DATA setting error...
  • Page 25 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 25/34 Page : Register No. Content Description Terminal S1 Closed Opened Terminal S2 Closed Opened Terminal S3 Closed Opened Sequence input Terminal S4 Closed Opened status Terminal S5 Closed Opened...
  • Page 26 6.5.3 Read the data in the holding register [03H] Master unit reads the contents of the holding registers with the continuous numbers for the specified quantity. (Example) Read the SLAVE station No: 01, 7300CV drive's frequency command. ASCII Mode Instruction Message...
  • Page 27 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 27/34 Page : 6.5.3 Loop back testing [08H] The function code is check communication between MASTER and SLAVE, the Instruction message is returned as a response message without being change, Any values can be used for test codes or data...
  • Page 28 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 28/34 Page : 6.5.3 Write holding register [06H] The specified data are written into the specified holding register. (Example) Set SLAVE station No: 01, 7300CV drive's frequency command is 60.0Hz.
  • Page 29 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 29/34 Page : 6.5.3Write in several holding registers [10H] Specified data are written into the several specified holding registers from the specified number, respectively. (Example) Set SLAVE station No: 01, 7300CV drive as forward run at frequency reference 60.0Hz...
  • Page 30 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 30/34 Page : RTU Mode Instruction Message Response Message (Normal) Response Message (Fault) SLAVE Address SLAVE Address SLAVE Address 01 H Function Code Function Code Function Code High High Start...
  • Page 31 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 31/34 Page : Comparison list between parameter and register Register Function Register No. Function 3-11 0000H 0023H 0001H 0024H 3-12 0002H 0025H 3-13 0003H 0026H 3-14 0004H 0027H 3-15 0005H...
  • Page 32 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 32/34 Page : Register Function Register No. Function 10-6 0046H 0069H 10-7 0047H 006AH 10-8 0048H 006BH 10-9 0049H 006CH 11-0 004AH 006DH 11-1 004BH 006EH 11-2 004CH 006FH 11-3...
  • Page 33 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 33/34 Page : Register Function Register No. Function 15-4 008CH 00AFH 15-5 008DH 00B0H 15-6 008EH 00B1H 008FH 00B2H 3-23 0090H 00B3H 3-24 0091H 00B4H 3-25 0092H 00B5H 3-26 0093H...
  • Page 34 File No. :PC-CV-08 Version : 1.A 7300CV MODBUS COMMUNICATION PROTOCOL 34/34 Page : Register Function 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...