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HRB1684301-01 87
Chapter 10 Alarms
This section describes the meter’s alarms feature. An alarm is the meter’s means of
notifying you when an alarm condition is detected, such as an error or an event that
falls outside of normal operating conditions.
Alarm overview
When an alarm is tripped, the meter records the alarm event, and the alarm indicator
appears on the meter display if it is a low, medium or high priority alarm. The alarm can
also be used to trigger another event, such as controlling a digital output.
NOTE: If configured for alarms, the alarm / energy pulsing LED flashes when the alarm
is tripped. See “LED alarm indicator” on page 99 to set up the LED for alarms.
Alarm types
The meter supports these types of alarms (total available indicated in parentheses):
• Unary (4)
• Digital (4)
• Standard (29)
• Logic (10)
• Custom (5)
Unary alarms
A unary alarm is the simplest type of alarm — it monitors a single behavior, event or
condition.
WARNING
UNINTENDED OPERATION
Do not use this device for critical control or protection applications where human or
equipment safety relies on the operation of the control circuit.
Failure to follow this instruction can result in death or serious injury.
Unary alarms
Alarm label Description
Meter Power Up Meter powers on after losing control power.
Meter Reset Meter resets for any reason.
Meter Diagnostic Meter’s self-diagnostic feature detects a problem.
Phase Reversal Meter detects a phase rotation different than expected.