INFICON VGC401 Single-Channel Controller - Manual (Page 24)

24
tinb01e1-f (2011-07) VGC401.om
Connect the peripheral components to the
CONTROL connector on the rear of the unit.
Use a screened cable (electromagnetic com-
patibility).
DANGER
DANGER: protective low voltage
According to EN 61010, voltages ex-
ceeding 30 VAC or 60 VDC are haz-
ardous.
Only connect a protective low voltage
(SELV).
Pin assignment of
the male 9-pin D-Sub
appliance connector:
5
1
9
6
Pin Signal
1
7
5 Analog output 0 … +10 VDC
Chassis = GND
HV_H on +24
V
off 0 V
The control over this signal is placed superior to the key
operation.
4
3
2
Pressure below
threshold
Pressure above
threshold or power
supply turned off
Error signal
9
8
No error
Error or power
supply turned off
Supply for relays with higher switching power
6
7 +24 VDC, 200 mA
Chassis = GND
Fuse-protected at 300 mA with PTC
element, self-resetting after power
off or pulling the CONTROL con-
nector. Meets the requirements of a
grounded protective extra low
voltage (SELV).
The analog output (pin 1) differ from the
displayed value by no more than ±50 mV.
Pin assignment
Contact positions
CONTROL