Testing The Output Signal For Model Gd-20-A, With Field Case; Connecting The Instrument; Faults - WIKA GD-20 Operating Instructions Manual

5. Commissioning, operation / 6. Faults

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.
EN
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.
5.5.6 Testing the output signal for model GD-20-A, with field case
The output signal can be measured by connecting an ammeter to terminals 3 and 4 without disconnecting the
measurement circuit.
Model GD-20-A, with field case
UB+/Sig+
+
U
-
0V/Sig-

6. Faults

For contact details see chapter 1 "General information" or the back page of the operating instructions.
62
A
A
RI ≤ 20Ω
Model GD-20-A, with cable outlet
UB+/Sig+
+
U
- A
0V/Sig-
WIKA operating instructions gas density sensor, model GD-20
BN
GN