Hello DJ_1

do you have a Modbus rtu master example for CFC (PCS7) project?

Can you send me per email?

Best regards

Davron

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Split from Modbus TCP and Modbus RTU sample application.

Hello,

Sorry,  sample codes are developed under TIA portal and Step 7 5.5  for stand alone PLCs  by using LAD language.

Today only i test S7400H with ET200SP modbus RTU code but performance is not good as i observed.

See the below post can helpful for you.

https://support.industry.siemens.com/tf/ww/en/posts/communication-between-s7-400-and-3rdparty-device-on-modbus-protocol-using-cp-341/158098/?page=0&pageSize=10