Samsung SSA-P102T - Manual (Page 14)

14_ installation and external connection
installation and external connection
Output Connection
- According to the operation mode, the Door Lock type is classifi ed in two: NC (Normal close) and NO
(Normal Open). Make the connection as appropriate.
- To prevent a risk of voltage surge during the lock operation, it is recommended to use the bypass diode.
- If the Door Lock type is POWER FAIL SAFE
Connect the COM (common) line of the Door Lock relay to DC +12V.
Connect the plus (+) line of the Door Lock to the Normal Close (NC) line of the Door Lock relay.
Connect the minus (-) line of the Door Lock to the grouding line, GND.
- If the Door Lock type is POWER FAIL SECURE
Connect the COM (common) line of the Door Lock relay to DC +12V (red).
Connect the plus (+) line of the Door Lock to the Normal Open (NO) line of the Door Lock relay.
Connect the minus (-) line of the Door Lock to the grounding line, GND.
Alarm Device Connection
Connect the COM line of the alarm device relay to DC +12V.
Connect the plus (+) line of the alarm device to NO.
Connect the minus (-) line of the alarm device to the grounding line, GND.
1.
2.
3.
1.
2.
3.
1.
2.
3.
+
-
+
-
1N4004 ~ 1N4007 or equiv.
Cathode Anode
+12V GND
+12V GND
COM
NO
NC
COM
Normal
Open
Normal
Close