Model IFP-2000/ECS Installation Manual 151430-L8
10-17
10.7.1 Single Interlock Zone Releasing
A single interlock zone utilizes a minimum of two addressable detectors and a designated manual release switch.
Conditions Required for an Interlock Release Alert Output Activation
If any single addressable detector is activated, the “Interlock Release Alert” output will activate. This alerts the
user that the initial stages required for a release condition are present. (Also refer to Table 10-4).
Conditions required for a Detector Alarm and Interlock Release Alarm Output
Activation
If two or more addressable detectors, or a manual release switch activate, the “Detector Alarm” and “Interlock
Release Alarm” outputs will activate. (Also refer to Table 10-4).
Important!
Only addressable detectors can be used. No conventional detectors can be used.
Each Single Interlock Zone input requires at least one manual release switch.
Table 10-4: Single Interlock Zone Operation
Inputs Output Results
1st Addressable Detector
X X X X
2nd Addressable Detector
X X X
Manual Release Station
X X X X
Normal
Interlock Release Alert
Interlock Release Alert
Interlock Release Alarm
and Detector Alarm
Interlock Release Alarm
and Detector Alarm
Interlock Release Alarm
and Detector Alarm
Interlock Release Alarm
and Detector Alarm