Figure 3-6: Types Of Relay Contacts - Teledyne 3020T Operating Instructions Manual

Trace Oxygen Analyzer
The connectors are:
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.
Teledyne Analytical Instruments

Figure 3-6: Types of Relay Contacts

Installation
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