User guide

Trace Oxygen Analyzer Installation
Teledyne Analytical Instruments 25
 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.
 Reset by pressing button to remove power. Then press
again and any other button EXCEPT System to
resume.
 Further detail can be found in Chapter 4, Section 4-6.
Table 3-2: Alarm Relay Contact Pins
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