Electrical connection
Disconnect power.
Open transparent front panel and connect the unit as follows:
The unit is equipped with integrated C-Mos components. They
can be destroyed by electrostatic discharge (ESD). Thus no com-
ponents except for push-buttons and connection terminals may
be touched.
1
2
3
1
2
3
1
2
3
X4
X3
X2
X1
1
2
3
12V 0V 24V
Sensor
12V PNP
UB
Relais
Display
relay
display
sensor