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Siemens 313C - Modbus RTU Commissioning
Using Modbus RTU to send data to a Siemens CPU 313C.

I have Siemens CPU 313C. I need to acquire data through Modbus RTU. How can it be done?

Any external hardware/converter will be needed? please suggest

By anonymous on 8 June, 2019 - 8:54 am

Hi MONAK,

You will need CP341 module in the S7 Rack (with a RS-485 interface and a licensed Modbus master loadable software)

https://cache.industry.siemens.com/dl/files/653/88867653/att_71909/v1/88867653_faq_en.pdf


hope this helps
Aan