Riken Keiki GD-3EC, Technical Manual

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6. Alarm Activation 6-4 External output operation
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6-4 External output operation
6-4-1 For target gases other than 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: 4 mA
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)