HRB1684301-17

Digital alarms

Digital alarms monitor the ON or OFF state of the meter’s digital inputs.

Digital alarm with setpoint delay

To help prevent false triggers from erratic signals, you can set up pickup and dropout time delays for the digital alarm.

A Pickup setpoint (1 = ON) ΔT2 Dropout time delay (in seconds)
B Dropout setpoint (0 = OFF) EV2 End of alarm condition
ΔT1 Pickup time delay (in seconds) ΔT3 Alarm duration (in seconds)
EV1 Start of alarm condition    
NOTE: To help prevent filling the alarm log with nuisance alarm trips, the digital alarm is automatically disabled if the digital/status input changes state more than 4 times in one second or more than 10 times in ten seconds. In this case, you must re-enable the alarm using the display or ION Setup.

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