6. Electrical connection
6. Electrical connection
The electrical connection of pressure gauges with an electrical output
GB
signal / electronic pressure switch is made via a plug or a cable. The correct
terminal connections can be seen in the table below.
Additionally the terminal assignment, output signal and necessary supply
voltage are written on the product label.
3-pin connector, model AMP Duoplug
Pin
1
2
3
Cable (2-wire)
Colour code Signal
black
red
Cable (3-wire / 1 x NPN)
Colour code Signal
black
red
orange
Cable (4-wire / 2 x NPN)
Colour code Signal
black
red
orange
brown
WIKA operating instructions intelliGAUGE / switchGAUGE
8
Signal
U
B+
GND
U
SIG+
GND
U
B+
GND
U
B+
U
/ SP
SIG+
1
GND
U
B+
SP
1
SP
2