3
nVent RAYCHEM RS485 interface
3.1
Connection diagram
This device can be ordered with an nVent RAYCHEM RS485 interface as an option. Please
refer to the Operating and Installation manual INSTALL-148 for the type designation.
1
2
5
6
N(L-)
L1(L+)
(1) RS485 interface
Connect the interface line shielding to earth on one side in the switch cabinet.
13
14
17
18
17
20
21
22
23
-
(1)
RxD/TxD
24
+
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