Riken Keiki GD-84D-EX Series, Руководство по эксплуатации

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6. Alarm Activation 6-3 External output operations
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6-3 External output operations
Communication
method
4 - 20 mA Ethernet
Signal transmission
method
Analog transmission (non-insulated) Ethernet (10BASE-T/100BASE-TX)
Transmission path CVVS Ethernet cable
Transmission
distance 1 km or less 100 m or less (depending on system
conditions)
Connected load
resistance 300 Ω or less -
1 Detection
mode
(No alarm)
<Normal>
4 - 20 mA (Concentration output)
<With dummy sensor connected>
2.5 mA setting: 2.5 mA
4 mA, HOLD, 4 - 20 mA setting: 4 mA
(depending on maintenance mode setting)
・
Concentration data
2 Detection
mode
(During a gas
alarm)
<Normal>
4 - 20 mA (Concentration output)
<With dummy sensor connected>
2.5 mA setting: 2.5 mA
4 mA, HOLD, 4 - 20 mA setting: 4 mA
(depending on maintenance mode setting)
・
Concentration data
・ Bit settings for various alarms
3 Initialization 2.5 mA setting: 2.5 mA
4 mA, HOLD, 4 - 20 mA setting: 4 mA
*
(depending on maintenance mode setting)
・
Initialization bit
4 Maintenance
mode
2.5 mA setting: 2.5 mA
4.0 mA setting: 4.0 mA
*
HOLD setting: Maintain previous value
4 - 20 mA setting: 4 - 20 mA (Concentration
output)
・
Concentration data
・ Adjustment bit
5 Alarm test Output ON setting: 4 - 20 mA
(Concentration output)
Output OFF setting: Maintain previous
value ・ Concentration data
・
Adjustment bit
・ Test bit
6 Fault alarms 0.5 mA setting: 0.5 mA
21.5 mA setting: 21.5 mA
Option setting: Setting possible 0.0 - 4.0 mA
・
Bit settings for various faults
7 INHIBIT 2.5 mA setting: 2.5 mA
4 mA, HOLD, 4 - 20 mA setting: 4 mA
*
(depending on maintenance mode setting)
・
Concentration data
・ Adjustment bit
・
INHIBIT
8 Power off 0 mA
・
Signal OFF
* Equivalent to air (20.9 vol% = 17.4 mA) when F.S. 25.0 vol% O
2
is measured
Equivalent to air (21.0 vol% = 10.7 mA) when F.S. 50.0 vol% O
2
is measured
(Alarm types: L-LL and L-H only)