PLC seimens and backhoff module

A

Thread Starter

amr

i have a siemens PlC s7-300 and i am trying to connect it to BK3100 backhoff slave, and i am using step 7 software.

the problem:
when i install the gsd file for the BK3100 in step 7, i can't find some of the modules like for example kl2134 and kl 1104 and others.

what is the problem as you think?

Best regards
Amr Saleh
 
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