Electrical installation
32
PROFIBUS wiring example
The PROFIBUS cable shields are directly earthed at all nodes.
In the example below a recommended Siemens 6ES7 972-
0BA12-0XA0 connector (not included in the delivery) is connected
to the RPBA-01 module. The cable is a standard PROFIBUS
cable consisting of a twisted pair and screen.
Figure 4. Connection diagram for the standard PROFIBUS cable
Note: Further information on PROFIBUS wiring is available from
the publication “PROFIBUS RS 485-IS User and Installation
Guideline" profibus website, order no. 2.262).
X1
4
3
2
1
A
B
A
B
SHLD
PROFIBUS
RPBA-01
X1
4
3
2
1
MASTER
B
A
A
B
A
B
GND
SHLD
RPBA-01
Siemens 6ES7 972-0BA12-0XA0 connector
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