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Yaskawa G7 Modbus Communication User Manual
Modbus communication manual g7 drive
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Yaskawa G7 Modbus Communication User Manual | 92 pages
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Table of contents
Document Outline
Chapter 1 - Connections
Connection Check Sheet
Verify Operation
G7 Drive Connections
Network Connections
Communications Parameters
Run/Stop and Frequency Reference Source
Verify Communication
Chapter 2 - Message Formats
Protocol
Read Multiple Registers – Function Code 03H
Write Single Register – Function Code 06H
Loop-Back Test – Function Code 08H
Write Multiple Registers – Function Code 10H
No Response
Error Codes
CRC-16 Calculations
Chapter 3 - Troubleshooting
General Information
RS-232 Communication
RS-422/RS-485 Communication
RS-422/RS-485 Self-Test
Chapter 4 - G7 Drive Parameters
Command Registers (Read/Write) for Modbus RTU
Broadcast Registers (Write Only)
Monitor Registers (Read Only)
Parameter Registers (Read/Write)
CM090 Modbus TCP/IP Option Kit Specific Registers
ENTER/ACCEPT Command (Write Only)
Modbus Fault Decoding Table for Monitors
Chapter 5 - User Notes
Notes
User Parameter Settings
Hex/Dec Conversion Table
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