Connecting The Alarm Input/Output - Samsung SRN-470D User Manual

connecting with other device

ConneCTing The ALArm inpuT/ouTpuT

The Alarm In/Out port at the back is composed of the following.
Srn-470d
• ALARM IN 1 ~ 4 : Alarm Input Port
VDD
1.2KΩ
I/O
GND
GND
• ALARM OUT 1 ~ 2 : Alarm Output Port
ALARM IN
(5mA sink)
22_ connecting with other device
Sensors
Alarm
Mechanical
switch
or
com
ALARM OUT
(30VDC 2A,
125VAC 0.5A MAX)
Open collector
output device