Connection - Samsung SPD-400 User Manual

installation & connection
Alarm I/O Wiring Diagram
(12mA sink)
(24VDC 1A,
125VAC 0.5A MAX)
(24VDC 1A,
125VAC 0.5A MAX)
18_ installation & connection
3.3V
ALARM IN
GND
ALARM OUT
NC2
ALARM COM
CM2
ALARM OUT
NO2
ALARM OUT
3
NC1
ALARM COM
CM1
ALARM OUT
NO1