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Hardware Manual
22
Using Door Locks without Switch
Some common door locks may not have Normal Close and Normal Open switches, thus only
have DC12V and GND wire connectors. In this case map the wires according to the diagram
below.
DI
Connection design
TTL-compatible logic levels
Voltage
To trigger (low)
Logic level 0:
0V ~ 0.4V
Normal (high)
Logic level 1:
3.1V ~ 30V
Current
10mA ~ 100mA
DO
Connection design
Form C Solid-State Relay
Isolation test voltage 3750 VRMS
Typical RON 20
DC or peak AC load voltage 350 V
Continuous DC load current (form C
operation) 15 mA
Output power dissipation (continuous)
600 mW
Voltages accepted
350V AC/DC, 0.15A
The door station supports power flow within 350V, 0.15A. In case the door lock needs more
power than this, use an external relay.
Below is an example:
