Operation By Modbus-Rtu Communication (Rs485 Communication) - Hitachi WJ Series User Manual

Chapter 9
9.1.5

Operation by Modbus-RTU Communication (RS485 Communication)

 How to operate the inverter using Modbus-RTU communication (RS485 communication)
Q
commands?
 To perform forward/reverse rotation and stop operation using Modbus-RTU communication
A
(RS485 communication), set the "RUN command input source selection [A002]
communication (03)".
Code
RUN command input
[A002] *1
source selection
*1. "2nd-motor control [SET]" target parameter. The second control parameter is also subject to setting.
 For the inverter to start operation, a frequency command is required in addition to a RUN
!
command.
 For more information regarding Modbus-RTU communication (RS485 communication), refer to
"Chapter 11 RS485 Communication".
Item
Modbus-RTU communication (RS485 communication)
commands are used to start and stop inverter
operation.
9-1-5
Inverter Functions
Description
*1
" to "Modbus
Data
03