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3.5.1
ERNI Termination Connector
ERNI supply a separate Profibus-DP connector that has the appropriate
resistor network fitted internally. The termination connector is yellow to
distinguish it from the non-terminated Profibus-DP connector.
3.5.2
Siemens Connector
The termination resistor network is fitted in the Siemens connector. The
resistors can be switched in or out of the circuit as required using the
Termination Resistor Enable Switch.
12
5
4
3
2
1
5
9
8
7
6
9
A B
C
D
A
B
B
ERNI ERbic Profibus
Connector with vertical
cable outlet
Part No: 103658
5
4
3
2
1
5
9
8
7
6
A B
C
D
Termination Resistor
Enable Switch
Siemens RS485
Profibus Connector
Part No: 6GK1 500 0EA02
Cable Screen Clamp
4
3
2
1
8
7
6
A
Cable Screen
Clamp
4
3
2
1
9
8
7
6
OFF
ON
A
B
A1
B1
A2
B2
Issue Number: 3
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