Table 3-2: Alarm Relay Contact Pins - Teledyne 2000RS Operating Instructions Manual

TCD Analyzer
Threshold Alarm 1:
 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 latching or non-latching.
 Can be configured out (defeated).
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 latching or 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. Actuates if self-test fails.
 Alarm 1 and Alarm 2 are configured from the Alarm
configuration screen.
Further detail can be found in Chapter 4 Section 4-7.

Table 3-2: Alarm Relay Contact Pins

Pin
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
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