Siemens SIMATIC ET 200SP - Page 181

Configuration control (option handling)
10.2 Creating the control data record
Distributed I/O system
180 System Manual, 09/2019, A5E03576849-AJ
Feedback data record
Table 10- 7 Feedback data record
Byte
Element
Code
Explanation
0
Block length
4 + (number of slots x 2)
Header
1
Block ID
197
2
Version
2
3 0
4
Slot 1 status
0/1
Status = 1:
• Module from station master is
inserted in the station option
• Slot is marked as not availa-
ble in the control data record
Status = 0:
• Module pulled
• Incorrect module is inserted in
the station option*
5
Reserved
0
6
Slot 2 status
0/1
7
Reserved
0
:
:
:
4 + ((max. slot - 1) × 2)
Max. slot status
0/1
4 + ((max. slot - 1) × 2) + 1 Reserved 0
* Not possible if the slot is marked as not available.
Note
The data in the feedback data record is always mapped for all modules. In a shared device
configuration, it is therefore irrelevant which IO controller the respective modules are
assigned to.
As long as no control
data record has been sent, a one-to-one module assignment is
assumed for the compilation of data record 197 (station master
→ station option).