Control Data Record For An Et 200Sp Cpu - Siemens Simantic ET200SP System Manual

9.2.2

Control data record for an ET 200SP CPU

Slot assignment
The following table shows the possible slots for the various modules for an ET 200SP CPU:
Table 9- 1 Slot assignment
Modules
CPU
I/O modules
Server module
Control data record
For the configuration control of an ET 200SP CPU, you define a control data record 196
V2.0, which includes a slot assignment. The maximum slot corresponds to the slot of the
server module.
The table below shows the structure of a control data record with explanations of the
individual elements.
Table 9- 2 Configuration control: Structure of control data record 196
Byte Element
0 Block length
1 Block ID
2 Version
3 Version
4 Slot 1 of the station master
5 Additional function for slot 1
6 Slot 2 of the station master
7 Additional function for slot 2
8 Slot 3 of the station master
Distributed I/O system
System Manual, 12/2016, A5E03576849-AG
Possible slots
1
2 - 65
2 - 66
Comment
Slot 1 is always the CPU
Downstream of CPU
The server module completes the configuration of the
ET 200SP station after the CPU/the last I/O module.
Code
4 + (number of slots × 2)
196
2
0
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
Configuration control (option handling)
9.2 Creating the control data record
Explanation
Header
Control element
Contains the information on which mod-
ule is inserted in which slot.
The value that you need to enter in the
corresponding byte depends on the fol-
lowing rule:
If the module exists in the station
•
option, enter the slot number of the
module.
If the module exists as empty slot
•
179