Feedback Data Record Of The Et 200Mp Distributed I/O System - Siemens SIMATIC S7-1500 System Manual

Flexible automation concepts
9.2 Configuration control (option handling)
9.2.2.3

Feedback data record of the ET 200MP distributed I/O system

Operating principle
The feedback data record informs you about the accuracy of the module assignment and
gives you the option of detecting assignment errors in the control data record. The feedback
data record is mapped via a separate data record 197 V2.0.
Slot assignment
The feedback data record exists only when configuration control is configured and always
refers to the maximum quantity framework wit hout interface module, i.e., 31 slots.
The following table shows the slot assignment of the modules:
Table 9- 6 Slot assignment
Sl ot Mo dules
0 System power supply (optional)
2 - 31 I/O modules/system power supplies, depending
on the station option
Partial reading of the feedback data record is possible.
Feedback data record
Table 9- 7 Feedback data record
Byte El ement
0 Block length
1 Block ID
2 Version
3
4 Status slot 0
5 Reserved
6 Status slot 2
7 Reserved
: :
64 Slot n status
65 Reserved
* Not possible if the slot is marked as not available.
152
C o de Explanation
66 Header
197
2
0
0/1 Status = 1:
0
•
0/1
•
0
Status = 0:
:
•
Maximum slot
•
0
C omment
Upstream from interface module
Downstream from the interface module
Module from station master is inserted in the station option
Slot is marked as not available in the control data record
Module pulled
Incorrect module inserted in the station option*
System Manual, 09/2016, A5E03461182-AD
Automation system