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Table 5- 4
Pin
Table 5- 5
Pin
The voltage may be used exclusively to supply the external terminating resistor. Looping the volt-
1)
age through to the next connector via a cable is not permitted.
SIMATIC RF166C
Operating Instructions, 12/2019, C79000-G8976-C578-01
Pin assignment power supply; M12 socket (4-pin, L-coded)
Assignment
1
L1: +24 V (brown)
2
N2: 0 V load supply (white)
3
N1: 0 V (blue)
4
L2: +24 V (black)
Pin assignment PROFIBUS interface; M12 socket (5-pin, A-coded)
Assignment
1
Plug: --
•
Socket: Power supply P5V
•
2
Data line A
3
Data reference potential M5
4
Data line B
5
Functional earth (FE):
5.4 Connecting the communications module
View of M12 socket, 4-pin
View of M12 socket, 5-pin
1)
Connecting
41
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