Hi all,

i need to communicate s7 300 through profibus via CM1242-5.. So I install the GSD file and configure as a slave device in s7 300 hardware configration. but it is not identify the CM 1242-5 module. please support to solve this issue?

Note: I am using simatic manager 5.7 for s7 300 plc programming.

Hello,

Please have a look at the following link:

How do you connect a CM1242-5 as DP slave to a PROFIBUS system?

I hope it will help you.

Best regards,

Wizard