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3-3. Electric Diagram
Power Supply
POWER INPUT (24 VDC)
Alarm Contact Controller
Gas alarm contact (ALARM)
Contact activation
• De-energized
(De-energized in a normal
environment)
• ON-ALARM
(Closed contact during
alarm)
Transmitter
• 4 – 20 mA transmission
SD-1GH
Controller
(CPU)
- 12 -
Display
(POWER) (ALARM) (FAULT)
Seven-segment LED
(four-digit)
Magnetic operation part
(MENU/ESC) (▲) (▼) (SET)
Sensor
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