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WIKA operating instructions, model GDM-RC-100-T
EN
14499439.01 01/2022 EN/DE
5.7 Electrical mounting of the gas density monitor with analogue output signal
(4 ... 20 mA)
5.7.1 Requirements for voltage supply
Supply voltage: DC 10 ... 30 V
The gas density sensor must be supplied with power by an energy-limited circuit in
accordance with IEC 61010-1.
5.7.2 Requirements for electrical connection
■
Select a cable diameter that matches the cable bushing of the connector or the cable
socket. Make sure that the cable gland of the fitted connector or fitted cable socket
has a tight fit and that the seals are present and undamaged. Tighten the threaded
connection and check that the seal is correctly seated, in order to ensure the ingress
protection.
■
Make sure that no moisture enters at the cable end.
5.7.3 Pin assignment of attached, analogue transmitter (model GD-20-A)
Circular connector M12 x 1 (5-pin)
1 U
+
Supply voltage
2
-
-
3 U
-
Ground
4 -
-
5 -
-
5.7.4 Pin assignment of attached, analogue transmitter with cable outlet (model
GD-20-A)
Model GD-20-A, with cable outlet
+
-
U
UB+/Sig+
0V/Sig-
A
BN
GN
Brown
Blue
5. Commissioning, operation