User manual

Digital Monitor AMC-1DBx Series User Manual
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• Failed Sensor Threshold,
• Missing Remote Device (Sensor, Relay or Analog Output).
A failed sensor may be either digital or analog in nature. When a digital sensor fails to
respond to a poll request from the digital monitor, the monitor will activate the Fault LED.
When the current from an analog sensor is less than (or equal) to the configured fail
threshold, the monitor will activate the Fault LED. The typical failed threshold is 2mA for
a 4-20mA input current loop.
When Fault LED is lit and the Audible Alarms are set for All Alarms & Fail in the Option
Audible Alarms configuration; the buzzer and External Annunciator will be activated as a
Pulse or Continuous defined by the Option Audio Cadence configuration.
6.3.3 Alarm1 LED
The Alarm1 LED is illuminated when a sensor has equaled or exceeded its sensor
ALARM1 threshold.
When Alarm2 LED is illuminated and the Audible Alarms are set for All Alarms & Fail or
All Alarms in the Option Audible Alarms configuration; the buzzer and External
Annunciator will be activated as a Pulse or Continuous defined by the Option Audio
Cadence configuration.
6.3.4 Alarm2 LED
The Alarm2 LED is illuminated when a sensor has equaled or exceeded its sensor
ALARM2 threshold.
When Alarm2 LED is illuminated and the Audible Alarms are set for All Alarms & Fail or
All Alarms in the Option Audible Alarms configuration; the buzzer and External
Annunciator will be activated as a Pulse or Continuous defined by the Option Audio
Cadence configuration.
Also if the Audible Alarms are set for High Alarm Only and the Sensor Alarm Condition is
configured for two alarms then the buzzer and External Annuniciator will also be
activated.
6.3.5 Alarm3 LED
The Alarm3 LED is illuminated when a sensor has equaled or exceeded its sensor
ALARM3 threshold.
When Alarm3 LED is illuminated and the Audible Alarms are set for All Alarms & Fail, All
Alarms, or High Alarm Only in the Option Audible Alarms configuration; the buzzer and
External Annunciator will be activated as a Pulse or Continuous defined by the Option
Audio Cadence configuration.