Modbus connection details
Sir
My requirment is checking the modbus data through rs232 serial communication from slave device AZL siemens PLC.now i connected both end by RJ45 connection for checking purpose and pin details are mentioned below but communication is transmitting from master end but no reply.parameters and address are same.
ABB CI853 master AZL slave
3---TxD ---------->-------------------------3--RxD
5---GND -----------<>----------------------4- GND
6---RxD ----------<-------------------------1- TxD
My requirment is checking the modbus data through rs232 serial communication from slave device AZL siemens PLC.now i connected both end by RJ45 connection for checking purpose and pin details are mentioned below but communication is transmitting from master end but no reply.parameters and address are same.
ABB CI853 master AZL slave
3---TxD ---------->-------------------------3--RxD
5---GND -----------<>----------------------4- GND
6---RxD ----------<-------------------------1- TxD
Answers
Greetings,
Similar questions have been asnwered before, please see below link for more detail:
https://forum-controlsystems.abb.com/...
https://forum-controlsystems.abb.com/...
https://forum-controlsystems.abb.com/...
Hope these help you.
Similar questions have been asnwered before, please see below link for more detail:
https://forum-controlsystems.abb.com/...
https://forum-controlsystems.abb.com/...
https://forum-controlsystems.abb.com/...
Hope these help you.
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