Controlling The Detector With The I/O Interface; Controlling The Detector With - Alcatel ASM 180 TD User Manual

Connect the jumper plug
if the I/O interface
is not used
Prepare the
connector wiring
The controls
Alcatel Vacuum Technology France - ASM 180 TD/TD+ - ASM 181 TD+ User's Manual
Controlling the detector
with the I/O interface
This makes it possible to control the detector using a PLC.
In the absence of external control, the jumper plug supplied with
the detector must be kept in place in order to use the operator
interface (contacts 23-24 connected):
1
1
It is recommended to use a shielded cable which is grounded
on the connector cap.
23 Interface
(inputs)
22 Calibration
8 Cycle
20 Filament
18 GL mode
17 LDS mode
16 Inlet vent
Note: if contacts 22 and 8 are kept closed to ground,
the "cycle" and "autocal" keys on the operator interface
are inactive.
14
14 15
Contact open:
the detector is controlled by the I/O interface,
the operator can not access the keys
on the control panel or the filament key
on the remote control unit.
Contact closed:
the unit is controlled by the operator interface.
Falling edge:
Autocalibration sequence start
Falling edge: Cycle start
Closed: Filament on
Closed: Gross Leak mode selection
Closed: LDS mode selection
Closed: Automatic vent mode selection
B 20
0V
23 24
13
0V 24VDC
21 22 23 24 25
The common
points of the
controls are
pins 21 and
24.
1/2