INFICON UL1000 Helium leak detector - Manual (Page 28)

28
Installation
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2.3.2.1 Accessories
The following accessories may be connected to the sniffer line SL200 (Please refer
to Chapter
Fig. 2-6 /1) or the test chamber TC1000:
Contact pins 1 and 3 are fused with a 0.8 A slow-blow fuse. The amount of power
which can be drawn is limited to 10 W. The contacts are numbered from top to
bottom.
2.3.2.2 Digital Out
The following relay outputs are available for further signal processing. The maximum
rating for the relay contacts is 60V AC/1A.
Description of the operation mode of the Digital Out.
Trigger 1:
Is open in case Trigger Level 1 is exceeded or the machine is not in condition of
measuring.
Trigger 2:
Is open in case Trigger Level 2 is exceeded or the machine is not in condition of
measuring.
Zero active:
Is closed in case Zero function is running.
Ready:
Is closed in case machine is ready for measurement (Emission on, no error).
CAL active
Closed when machine is in calibrating routine.
Pin Assignment
1 +24 V, constantly applied, power supply for the sniffer line SL200.
2 GND24
3, 6 Input
4, 5, 7, 8 Output
Pin Assignment
1 +24V, bridged with pin 1 of socket „Digital In“
2 GND_24V
3 Trigger 1
4 Trigger 2
5 Free
6 Zero active
7 Ready
8 CAL active
9 Cal request
10 Error
11 Warning
12 Purge
13 Measure
14 Recorder Strobe
15 Common dig. out
16 Free