6. Alarm Activation
6-4 External output operation
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6-4-2 When the target gas is oxygen
Mode
4 - 20 mA (output value)
1
Power supply off
0 mA
2
Initialization
2.5 mA setting: 2.5 mA
4 mA, HOLD, 4 - 20 mA setting: 4 mA
※
3
Detection mode (no alarm)
4 - 20 mA (concentration output)
4
Detection mode (gas alarm)
4 - 20 mA (concentration output)
5
Detection mode (full scale exceeded)
20.5 mA (fixed)
6
Outside operating temperature range
4 - 20 mA (concentration output)
7
Fault alarm
0.5 mA (fixed)
8
Inhibit
2.5 mA setting: 2.5 mA
4 mA, HOLD, 4 - 20 mA setting: 4 mA
※
9
Alarm test mode
Output ON setting: 4 - 20 mA (concentration output)
Output OFF setting: Retains previous value.
10
User mode
2.5 mA setting: 2.5 mA
4 mA setting: 4 mA
※
HOLD setting: Retains previous value.
4 - 20 mA setting: 4 - 20 mA (concentration output)
11
Maintenance mode
2.5 mA setting: 2.5 mA
4 mA setting: 4 mA
※
HOLD setting: Retains previous value.
4 - 20 mA setting: 4 - 20 mA (concentration output)
*ESF (detection target gas: oxygen 0 to 25 vol%) is air equivalent (20.9 vol% = 17.4 mA).
Содержание GD-3EC
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