Siemens Simatic S7-1500 / ET 200MP - Control Data Record for the et 200 MP Distributed I;O System

Flexible automation concepts
11.2 Configuration control (option handling)
Automation system
System Manual, 01/2023, A5E03461182-AK
245
11.2.2.2 Control data record for the ET 200MP distributed I/O system
Slot assignment
The following table shows the slot assignment of the modules for the ET 200MP distributed
I/O system:
Table 11- 4 Slot assignment
Slot
Modules
Comment
0
System power supply (optional)
Upstream from interface module
1
Interface module
Interface module (slot 1) is not an element of the
configuration control, but instead controls the
configuration control.
2 - 31 I/O modules/system power supplies, depending on
the station option
Downstream from the interface module
Control data record
For configuration control of the ET 200MP distributed I/O system, you define a control data
record 196 V3.0, which contains a slot assignment. The table below shows the structure of a
control data record with explanations of the individual elements.
Table 11- 5 Configuration control: Structure of control data record 196
Byte
Element
Code
Explanation
0
Block length
4 + number of slots
Header
1
Block ID
196
2
Version
3
3
Version
0
4 Slot 0 of the station master Slot assignment in the
station option
Control element
Contains information on which module is
inserted in which slot.
The following rule determines which
value you must enter in the respective
byte:
• If the module is included in the station
option, enter the slot number of the
module.
• If the module is not included in the
station option, enter 127.
5
Slot 2 of the station master
Slot assignment in the
station option
6
Slot 3 of the station master
Slot assignment in the
station option
:
:
:
4 + (max. slot no. -
1)
Maximum slot of the sta-
tion master
Slot assignment in the
station option