Siemens Simatic ET 200S Operating Instructions Manual page 143

Control interface PIQ (AB x to AB x+7):
You can use these bytes (8 bytes) to control the diagnostic behavior of the slots that you
enabled for option handling in HW Config.
Only the bits of the slots you enabled for option handling during parameter assignment are
evaluated (they are marked with "0").
Table 7-1
2 to 63
Feedback interface PII (EB x to EB x+7):
The feedback interface (8 bytes) tells you which module is actually on each slot.
All slots are reported. This includes slots that you have not enabled for option handling.
Table 7-2
1 to 63
ET 200S
Operating Instructions, 12/2005, A5E00515771-03
Control interface
Slot Value of the bit
0
1
Feedback interface
Slot Value of the bit
0
1
7.3 Option handling on PROFIBUS DP
Parameter assignment for option handling applies. RESERVE
modules are allowed:
The station is engaged in data exchange.
•
A diagnostic is not signaled.
•
The SF LED on the interface module is off.
•
Parameter assignment for option handling is cancelled.
RESERVE modules are not accepted on this slot:
The station is engaged in data exchange.
•
The diagnostic "Incorrect module" is signaled.
•
The SF LED on the interface module is on.
•
The RESERVE module, an incorrect module, or a removed
module is on the slot.
The configured module is on the slot.
Reaction
Reaction
Functions
7-13