Flexible automation concepts
9.2 Configuration control (option handling)
9.2.2.1
Control data record for the S7-1500 Automation System
Slot assignment
The following table shows the slot assignment of the modules for the S7-1500 automation
system:
Table 9- 2
Slot assignment
Sl ot
Mo dules
0
System power supply (optional)
1
CPU
2 - 31
I/O modules/system power supplies, depending on the
station option
Control data record
For configuration control of the S7-1500 automation system, you define a control data record
196 V4.0, which contains a slot assignment. The table below shows the structure of a control
data record with explanations of the individual elements.
Table 9- 3
Configuration control: Structure of control data record 196
Byte
El ement
0
Block length
1
Block ID
2
Version
3
Version
4
Slot 0 of the station master
5
Slot 1 of the station master
6
Slot 2 of the station master
7
Slot 3 of the station master
:
:
4 + (max. slot
Maximum slot of the station
number)
master
150
C omment
Upstream of CPU
Slot 1 is always the CPU
Downstream of CPU
C o de
4 + number of slots
196
4
0
Slot assignment in the station
option
Slot assignment 1 in the station
option
(always 1, because the CPU is
always in slot 1)
Slot assignment in the station
option
Slot assignment in the station
option
:
Slot assignment in the station
option
Explanation
Header
C o ntrol 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 255.
System Manual, 09/2016, A5E03461182-AD
Automation system