5. Commissioning, operation
5.5 Electrical mounting of model GD-20-A
5.5.1 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.
5.5.2 Requirements for electrical connection
Cable diameter matches the cable bushing of the mating connector.
■
Cable gland and seals of the mating connector are correctly seated.
■
With cable outlets, no humidity can ingress at the cable end.
■
5.5.3 Pin assignment (model GD-20-A)
Circular connector M12 x 1 (5-pin)
1
U
+
2
-
3
U
-
4
-
5
-
5.5.4 Requirement for shielding and grounding
The gas density sensor must be shielded and grounded in accordance with the grounding concept of the plant.
5.5.5 Connecting the instrument
1. Assemble the mating connector or cable outlet.
→ Pin assignments, see chapter 5.2.2 "Pin assignment (model GD-20-D)" and chapter 5.5.3 "Pin assignment (model
GD-20-A)".
2. Establish the plug connection.
Model GD-20-A, with field case
Terminal 5 is connected to the case, allowing a cable shield to be attached. No specific ground connector is required.
WIKA operating instructions gas density sensor, model GD-20
Supply voltage
-
Mass
-
-
EN
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