Samsung SSA-P401T, SSA-P400T user manual Output Connection

Output Connection

DC +12V GND

Door Lock

NC

POWER FAIL SAFE

COM

COM

NO

Alarm Device

GND

POWER FAIL SECURE

- If the door lock is in POWER FAIL SAFE mode: (Door 1: Relay #1, Door 2: Relay #3)

1.Connect the COM line of the Door Lock relay to DC +12V.

2.Connect the plus (+) line of the Door Lock to the Normal Close (NC) line of the Door Lock relay.

3.Connect the minus (-) line of the Door Lock to GND (-).

- If the Door Lock is in POWER FAIL SECURE mode: (Door 1: Relay #1, Door 2: Relay #3)

1.Connect the COM line of the relay to DC +12V.

2.Connect the plus (+) line of the Door Lock to the Normal Open (NO) line of the Door Lock relay.

3.Connect the minus (-) line of the Door Lock to GND (-).

Alarm Device Connection (Door 1 Alarm: Relay #2, Door 2 Alarm: Relay #4)

1.Connect the COM line of the alarm device relay to DC +12V.

2.Connect the plus (+) line of the alarm device to the NO line of the alarm device relay.

3.Connect the minus (-) line of the alarm device to GND (-).

	Door Number	Door Lock	Alarm Device	Note
Two Door Control	1	Relay Output #1	Relay Output #2
	2	Relay Output #3	Relay Output #4
	1	Relay Output #1	Relay Output #2
Three Door Control	2	Relay Output #8	Relay Output #9	I/O Board
	3	Relay Output #10	Relay Output #11	I/O Board
	1	Relay Output #1	Relay Output #2
Four Door Control	2	Relay Output #3	Relay Output #4
	3	Relay Output #8	Relay Output #9	I/O Board
	4	Relay Output #10	Relay Output #11	I/O Board

INSTALLATION AND EXTERNAL CONNECTION

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