Functions
8.1 PROFIBUS DP
ET 200pro distributed I/O system
180
Operating Instructions, 03/2013, A5E00335544-08
Special notes on option handling
Note the following:
●
If a data record request is issued to an option slot that is not present, this is answered
with a fault (80B2).
●
If the IM154-1/2 is operated without configuration or without a CPU (DP master), it
supplies the configuration as it exists. This is relevant for the tools for the wiring test,
since the actual slot numbers, without gaps from 1 to n, are used there for status/control.
●
There are no limitations when digital modules are packed. Theoretically, the module to
which the byte address is assigned in the preset configuration can be missing in the
structure.
Note
The configured slot numbers (slot numbers in data records and for events such as
diagnostics and interrupts) always apply to slot addressing.
Additional information regarding option handling
For additional information regarding option handling (application example), refer to Service &
Support page on the Internet