Siemens Simatic ET 200S Operating Instructions Manual page 168

Alarm, error and system messages
8.1 Alarm, error and system messages on PROFIBUS DP
Process interrupts for 2AI U HS, 2AI I 2WIRE HS und 2AI I 4WIRE HS electronic modules:
Figure 8-2
You will find a description of OB 40 in the
Triggering of an insert/remove-module interrupt
Insert/remove-module interrupts are supported in DPV1 mode. The CPU interrupts
processing of the user program and processes the OB 83 diagnostic block instead. The
result that caused the interrupt to be triggered is entered in the start information of OB 83.
8-20
Start information of the OB 40: which event has triggered process interrupt for analog
input modules
System and Standard Functions
Operating Instructions, 12/2005, A5E00515771-03
reference manual.
ET 200S