Gill Instruments Ltd
Intrinsically Safe WindObserver Anemometer
Page 20
Issue 10
Doc. No. 1360-PS-0001
May 2015
20 Way Connector terminal positions viewed from the solder connection side.
Wiring Connections between the 20 way Anemometer connector and the Power Supply
Interface Box.
20 Way
Connector
Pin Number
Mains Power
Supply Terminal
Number
Low Voltage
Supply J5 Terminal
Number
Anemometer Function
2
24
6
TX+ RS422 Transmit Data
to the Power Box
3
23
5
TX- RS422 Transmit Data
to the Power Box
4
21
3
RX+ RS422 Receive Data
to the Anemometer
5
22
4
RX- RS422 Receive Data to
the Anemometer
6
26
8
ve
14
25
7
Supply –ve
-
19 or 20
1 or 2
Cable Screen
Arrange IS WindObserver Connector Parts as Follows.
Align the 20 way plug rotatable ring to allow access of a jeweller’s screwdriver to
remove the miniature grub screw.
Fit parts over the IS cable in the order shown above.
Prepare IS cable for soldering wires to the 20 way connector.
Solder wires to contacts as per the above table.
Screw the extended backshell into the connector (ensure that a sealing ring is
fitted internally) and tighten to a torque of 3Nm
Align the connector ring to allow re-fitting of the grub screw to a torque of 0.2 to
0.3Nm.
Complete assembly of the cord clamp.
Slot Position
Grub Screw
