Dräger REGARD 2400 Instrucciones De Uso página 56

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Configuration software
12.2.3
Relay configuration
Fig. 17
Relay functions
NAK:
Non-latching, non-acknowledgeable. The relay automatically resets itself,
when the alarm has stopped.
LNAK:
Latching, non-acknowledgeable. The relay must be manually reset.
DNAK:
Delayed latching. The relay must be manually reset.
When the alarm is acknowledged while this status is still active,
the relay will be automatically reset after the alarm has stopped.
Time functions
Impulse minimum time:
Minimum time that the relay switches, even if the condition no longer pertains.
Impulse maximum time:
Maximum time that the relay switches, even if the condition continues to pertain (for example
automatic horn deactivation in underground car parks).
Falling Delay:
Time delay of the relay after termination of the switching condition (for example fan run-time)
Switch-On Delay:
Time delay before switching on an alarm condition (for example in order to avoid short-term
activation of a fan, when a measured value is close to the switching threshold).
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