Modbus Data Read using IEC Developer

[karmalai]

Dear All

i would like to clarify few doubts regarding Modbus data read using IEC Developer.

The following hardware and software we are using in our project.

PLC - Q25PRH

Remote IO head - QJ72LP25-25

Modbus Module - QJ71MB91 (Connected in RIO)

Slave Devices - Power meter

my question is how to assign the parameter like Modbus function code, Modbus slave address,Modbus holding register using IEC Developer software .

and if possible please post the sample program.

Thanks.

 

Edited October 23, 2019 by karmalai