Not all the slots are occupied in an ET200-M.
Do you have to slot the wildcard module DM370 in a free slot?
No, this is only necessary for passive bus modules.
The slots can remain unoccupied.
A distinction must be made between S5 and S7 in the configuration.
- S5: the blanks must be configured (ID 00)
- S7: the blanks are left free (in configuration
as S7 slave)