5.5 Electrical Mounting Of Model Gd-20-A; Requirements For Voltage Supply; Requirements For Electrical Connection; Pin Assignment (Model Gd-20-A) - WIKA GD-20 Series Operating Instructions Manual

5. Commissioning, operation
Reset to factory settings
Writing 0x0001 in register 203 causes the transmitter to be reset to its factory settings
and a software reset to be carried out. After this process, all writable registers are reset
to the basic setting.
EN

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
2
3
4
5

5.5.4 Requirement for shielding and grounding

The gas density sensor must be shielded and grounded in accordance with the ground-
ing 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.
24
U Supply voltage
+
-
-
U Mass
-
- -
- -
WIKA operating instructions gas density sensor, model GD-20