5 How to Operate
5-4. Detection mode
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5-4-2. External output operation
1. 0/6/12 VDC specification [standard]
(1) Signal transmission method
:
Voltage output (non-isolated)
(2) Transmission path
:
CVVS
(3) Transmission distance
:
10 m or less
(4) Connection load resistance
:
1 M
Ω
or more
(5) Status signal level
1. Detection mode
:
6 V
2. Gas alarm
:
12 V
3. Initial clear
:
6 V
4. Gas test mode
:
6 V
5. Maintenance mode
:
6 V
6. Alarm test
:
12 V
7. Fault alarm
:
0 V
(6) Power Off
:
0 V
2. 4-20 mA output specification [option]
(1) Signal transmission method
:
Electric current transmission (non-isolated)
(2) Transmission path
:
CVVS
(3) Transmission distance
:
1 km or less
(4) Connection load resistance
:
300
Ω
or less
(5) Status signal level
1. Detection mode
:
4 - 20 mA (depends on the gas concentration)
2. Gas alarm
:
4 - 20 mA (depends on the gas concentration)
3. Initial clear
:
2.5 mA (fixed)
4. Gas test mode
:
2.5 mA (fixed)
5. Maintenance mode
:
2.5 mA (fixed)
6. Alarm test
:
4 - 20 mA (depends on the gas concentration)
7. Fault alarm
:
0.5 mA (fixed)
(6) Power Off
:
0 mA
