
Table 2: GS3000 Gas Detection Sensor Series setup menu
Specification
Requirements
Description
Alarm 2 hysteresis
Press the
UP
or
DOWN
buttons to change
the Alarm 2 hysteresis within the limits. If
you assign Alarm 2 to CO, the range is 10
ppm to 100 ppm in 5 ppm increments. The
default is 20 ppm. If you assign Alarm 2 to
NO
2
, the range is 0.5 ppm to 2 ppm in 0.5
ppm increments. The default is 0.5 ppm.
Alarm 2 delay
Use the
UP
or
DOWN
buttons to change
the Alarm 2 delay time within the limits. The
delay time may be set from 0 min to 10 min
in 1 min increments. The default is 2 min.
Relay 2 operation
Use the
UP
or
DOWN
buttons to toggle the
available options. Relay 2 operation may be
set to direct or reverse.
Direct operation means the relay is normally
not energized and energizes on an alarm
condition, the NO or NC PCB designations
are correct.
Reverse operation means the relay is
normally energized and de-energizes
on an alarm condition, the NO or NC
PCB designations are reversed. Reverse
operation can be used for Fail Safe
operation as the relay changes state on
power loss. The default setting is direct.
Relay 2 test
Use the
UP
or
DOWN
buttons to toggle
Relay 2 ON or OFF to test the relay
operation. Press
MENU
to reset to OFF.
Test Mode
Use the
UP
or
DOWN
buttons to disable
or enable the test mode. The default is
Disable. When disabled, the front panel
TEST switch or TEST input will not initiate
the test function. When enabled, press the
TEST
switch to initiate the test function.
Note that the test mode will only function
if the device operates in Normal mode, you
cannot initiate the test function if any alarm
is present.
Test Mode time
Only if you enable Test Mode
Use the
UP
or
DOWN
buttons to change the
Test Mode time within the limits. The Test
Mode operating time may be set from 1 min
to 15 min in 1 min increments. The default
is 5 min. This item sets how long the Test
Mode operates when you press the
TEST
switch.
GS3000 Gas Detection Sensor Series Installation Guide
11