Table 3-4: Alarm Relay Contact Pins - Teledyne 4040 Instruction, Operating And Maintenance Manual

Threshold Alarm 2:
Can be configured as high (actuates when concentration is above
threshold), or low (actuates when concentration is below threshold).
Configured as failsafe or non-failsafe
Configured as non-latching
Can be configured out (defeated).
Can be set to trigger by levels of CH4, NMH, or THC.
System Alarm:
Actuates when power is removed from analyzer.
It is triggered if 4040 fails to ignite after five times.
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 4.5.15.

Table 3-4: 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
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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