Chapter 9 – RS485/Modbus RTU Communications
9-4
9.4
Communication
Protocol
(Modbus
‐
RTU)
Use Modbus-RTU protocol (Open protocol).
Computer or other hosts can be Master and Slave. The drive responds to Read/Write command from Master.
Supported function code
Function code
Description
0x03
Read Hold Register
0x04
Read Input Register
0x06
Preset Single Register
0x10
Preset Multiple Register
Exception code
Function code
Description
0x01 ILLEGAL
FUNCTION
0x02
ILLEGAL DATA ADDRESS
0x03
ILLEGAL DATA VALUE
0x06
SLAVE DEVICE BUSY
User define
0x14
1. Write Disable (Address 0x0004 value is 0)
2. Read Only or Not Program during Running.
Содержание RSi SG Series
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