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Assigning Parameters to the CP 541 for the Connections
4.1
Configuring a PLC-PLC Connection
Introduction
Assigning Parame-
ters to CP 541
Step
1
Load DB1 into the programmer.
2
Enter the station number of the CP 541 with
parameter TLN in frame SL2.
3
Write the modified DB1 into the CP 541.
4
Switch the CP 541 to RUN.
In the
Programmable
Controller
4-2
The PLC-PLC connection is comparable to a point-to-point link between two
programmable controllers.
You can easily install the PLC-PLC connection with the parameters stored in
the default DB1.
You assign parameters for the PLC-PLC connection via the CP 541 as shown
in the following table.
Action
In the connected programmable controller, you must observe the following
points when assigning parameters:
The station number set in the CP 541 must be identical to the node ad-
dress of the connected programmable controller.
With the connected programmable controller, you can access node ad-
dresses 1 to 30.
Each PLC-PLC connection can contain up to 64 bytes of data.
Remark
–
The station number of the CP 541 must be
identical to the node address of the con-
nected PLC.
–
Only upon transition from STOP to RUN
will the modified DB1 be stored in the EE-
PROM of the CP 541.
Communications Processor CP 541
EWA 4NEB 812 6188-02
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