Control Data Record For The S7-1500 Automation System - Siemens SIMATIC S7-1500/ET 200MP System Manual

Flexible automation concepts
11.2 Configuration control (option handling)
11.2.2.1

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 11- 2 Slot assignment
Slot Modules
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 11- 3 Configuration control: Structure of control data record 196
Byte Element
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 num- Maximum slot of the sta-
ber) tion master
244
Comment
Upstream of CPU
Slot 1 is always the CPU
Downstream of CPU
Code
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
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 255.
System Manual, 01/2023, A5E03461182-AK
Automation system