Samsung SSA-P400 User Manual page 17

Output Connection
DC +12V
- 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
1
Two Door Control
2
1
Three Door Control 2
3
1
2
Four Door Control
3
4
GND
NC
POWER FAIL SAFE
COM
COM
NO
GND
POWER FAIL SECURE
Door Lock
Relay Output #1
Relay Output #3
Relay Output #1
Relay Output #8
Relay Output #10
Relay Output #1
Relay Output #3
Relay Output #8
Relay Output #10
Door Lock
Alarm Device
Alarm Device Note
Relay Output #2
Relay Output #4
Relay Output #2
Relay Output #9 I/O Board
Relay Output #11 I/O Board
Relay Output #2
Relay Output #4
Relay Output #9 I/O Board
Relay Output #11 I/O Board
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