How much communication modules does the S7-1200 support?

Import of a technical question from the User tej1:

tej1

Dear Sir/Madam,

Does S7 1200 supports 4 Communication modules i.e 3 Communication Module +

1 Communication Board  for Modbus RTU protocol.

Regards,

Nikhil

 the attachment is from S7-1200 manual. It says it can support.

Thanks,

Jay

Import-User-1

Import of a technical question from the User tej1:

 

tej1

Dear Sir/Madam,

Does S7 1200 supports 4 Communication modules i.e 3 Communication Module +

1 Communication Board  for Modbus RTU protocol.

Regards,

Nikhil