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Quick Installation Guide
4.3 OUTPUT DEVICE WIRING
Door lock and alarm device can be connected to output ports (RELAY#1~RELAY#4) of iTDC/iTDC-SR.
Wiring for Power Fail Safe and Power Fail Secure is different so follow the correct way to wire.
I/O board (EIO88) is required to control more than 3 doors.
Door Lock Wiring
Door Lock (Power Fail Safe) Connection
- Connect COM port of Relay to DC+12V
- Connect NC port of Relay to (+) wire of door lock device
- Connect GND port to (-) wire of door lock devices
Door Lock (Power Fail Secure) Connection
- Connect COM port of Relay to DC+12V
- Connect NO port of Relay to (+) wire of door lock device
- Connect GND port to (-) wire of door lock devices
Alarm Device Connection
- Connect COM port of Relay to DC+12V
- Connect NO port of Relay to (+) wire of Alarm devices
- Connect GND port to (-) wire of Alarm devices
Figure: Door Lock, Alarm Device Connection
You need to connect the diode ( 1N4001 ~ 1N4007 or Similar) when connecting external devices to relay
.
Power Fail Secure Mode
This mode allows doors to be closed automatically when there is no power being supplied to door lock.
During this situation, the security level will increase. This is recommended for a place where keeps the doors closed all the
time (EX: bank safe).
Power Fail Safe Mode
This mode allows doors to be opened automatically when there is no power being supplied to door lock.
During this situation, the security level will decrease. This is recommended for a place where keeps doors opened all the
time (EX: emergency exit door).
NOTE: Power Fail Secure/Power Fail Safe
