Configuration control (option handling)
7.3 Creating the control data record
Distributed I/O system
System Manual, 08/2021, A5E31861578-AJ
71
Rules
Observe the following rules:
•
Slot entries in the control data record outside the station master are ignored by the
interface module.
•
The control data record must contain the entries up to the last slot of the station option.
•
Each slot of a station option may only be present once in the control data record.
•
Each slot of a station option may only be assigned to one slot in the station master.
•
The interface module (slot 0) is not an element of the configuration control, but instead
controls this.
•
The topology modules always have to exist in the data record:
–
The topology module ET-Connection 1 is always located on Slot 1.
–
The topology module ET-Connection 2 is always located on Slot 18.
7.3.2
Control data record for the ET 200AL distributed I/O system
Slot assignment
Note
Topology modules ET-Connetion1 and ET-Connection2
Both topology modules ET-Connection1 and ET-Connection2 should be treated like real
modules during configuration control.
Restriction: ET-Connetion1 is always placed in Slot 1 and ET-Connection2 is always placed in
Plot 18.
The following table shows the possible slots for the various modules for an
ET 200AL interface module:
Table 7- 1
Slot assignment
Modules
Possible slots
Comment
Topology ET-Connection1
1
The topology module ET-Connection 1 is always located on
Slot 1.
I/O modules ET-Connection1
2-17
-
Topology module ET-Connection2
18
The topology module ET-Connection2 is always located on
Slot 18.
I/O modules ET-Connection2
19-34
-
Содержание SIMATIC ET 200AL
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