AMC 1ACO, Инструкция по эксплуатации, Страница: 14 / 22

Gas Monitor 1ACO One-Channel Monitor
12
Switch Feature Position Description
SW1-2,
SW2-2
Minimum Run
Timer See
Description
Warning and alarm relays are maintained in alarm state
for a minimum time interval following alarm activation, as
follows:
SW1-2 SW2-2 Minimum Run Time
OFF OFF 0 minutes
ON OFF 5 minutes
OFF ON 10 minutes
ON ON 30 minutes
Note that a sensor level falling below the alarm threshold
and then re-occurring during this time resets the alarm
timer for the associated alarm.
SW1-3,
SW1-4
Sensor Type
(Mode
Select) See
Description
Sensor type (threshold mode) is selected as follows:
SW1-3 SW1-4 Sensor Type (Mode)
OFF OFF Increasing
ON OFF Decreasing
OFF ON Reserved
ON ON Reserved
OFF The Alarm relay is not activated when fault is detected. SW2-1 Alarm Relay
Activated
when Fault is
Detected
ON When fault is detected, the Alarm relay is activated.
OFF Audio alarm is disabled for Warning conditions. SW2-3 Audio Enable
for Warning
ON Audio alarm is activated in conjunction with Warning.
OFF Sensor Fault thresholds set at 0.4 mA into 250R or 100
mV. SW2-4 Sensor Fault
Threshold
ON Sensor Fault thresholds set at 1.4 mA into 250R or
350mV.
OFF No activation delay of Warning conditions. SW2-5 Activation
Delay,
Warning
ON Five minute delay on activation of Warning conditions
following sensor exceeding alarm threshold.
OFF No activation delay of Alarm conditions. SW2-6 Activation
Delay, Alarm
ON Delay on activation of Alarm conditions following sensor
exceeding alarm threshold.
OFF Audio alarm (buzzer) disabled. SW2-7 Audio Alarm
Enable
ON Audio alarm (buzzer) enabled.