Hitachi WJ Series

Chapter 9 Inverter Functions
9-2-11
9.2.6 Setting Frequency Command by Modbus-RTU Communication
(RS485 Communication)
 How to set the frequency command using Modbus-RTU communication (RS485
communication)?
 To set the output frequency command using Modbus-RTU communication (RS485
communication), set the "Frequency input source selection [A001]
*1
" to "Modbus
communication (03)".
 For details regarding Modbus communication, refer to "Chapter 11 RS485 Communication".
Code
Item
Description
Data
[A001]
*1
Frequency input
source selection
Sets the output frequency commands using Modbus-RTU
communication (RS485 communication).
03
*1. "2nd-motor control [SET]" target parameter. The second control parameter is also subject to setting.
Q
A