Teledyne GC-Pro/TCD - Gas Chromatograph - Manual (Page 37)

GC-Pro TCD Installation
Teledyne Analytical Instruments 23
Threshold Alarm 2:
 Can be configured as high (actuates when
concentration is above threshold), or low (actuates
when concentration is below threshold).
 Can be configured as failsafe or non-failsafe
 Can be configured as non-latching
 Can be configured out (defeated).
System Alarm:
 Actuates when DC power supplied to circuits is
unacceptable in one or more parameters. Permanently
configured as failsafe and latching. Cannot be
defeated.
Note: Reset by pressing the STANDBY button to remove power.
Then press STANDBY again and any other button except
SYSTEM to resume. Further detail can be found in
Chapter 4, Section 4.5.4.
Table 3-3: Alarm Relay Contact Pins — Top Connector
Pin Contact
45 Threshold Alarm 1, normally closed contact
28 Threshold Alarm 1, moving contact
46 Threshold Alarm 1, normally open contact
42 Threshold Alarm 2, normally closed contact
44 Threshold Alarm 2, moving contact
43 Threshold Alarm 2, normally open contact
36 System Alarm, normally closed contact
20 System Alarm, moving contact
37 System Alarm, normally open contact