Block Diagram - Riken Keiki SD-D58-AC Operating Manual

3. Product Components

3-3. Block diagram

<Electric Diagram>
SD-D58 (TYPE NCW)•AC
Power supply part
POWER INPUT
(100 - 110 VAC)
Power supply part
POWER OUTPUT
(24 VDC)
Alarm contact controller
Gas alarm contact
(ALARM )
Contact activation
• De-energized
(De-energized at a
normal state)
• ON-ALARM
(Closed contact at an
alarm state)
Transmitter
• 4–20 mA transmission
Suction pump
Controller
(CPU)
- 17 -
3-3. Block diagram
Display
(POWER) (ALM) (FAULT)
Seven-segment LED
(four-digit)
Magnetic operation part
(MENU/ESC)()() (SET)
Gas sensor
Flow sensor