Dahua VTO2000A Series, Quick Start Manual

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6 Electric Lock and Magnetic Door Lock
6.1 Electric Door Lock
When connect the VTO to the electric door lock, connect the positive end of the electric door lock
to the NO of the VTO, connect the negative end of the electric door lock to the public end.
When connect to the on-off button, connect one end of the on-off button to the one end of the on-
off button of the VTO, and then connect the other end of the on-off button to the GND of VTO.
See Figure 6-1.
Electric Lock Unlock Button
Power
+ -
GND ALM1 NO
COM
+
-
Figure 6-1
6.2 Magnetic Door Lock
When connect the VTO to the magnetic door lock, connect the positive end of the magnetic door
lock to the NC of the VTO, connect the negative end of the magnetic door lock to the public end.
When connect to the magnetic door lock feedback, connect one end of the feedback to the one
end of the feedback of the VTO, and then connect the other end of the feedback to the GND of
VTO. See Figure 6-2.
Door Sensor
Magnetic
Feedback
Power
+ -
GND ALM2 NC
COM
+
-
Figure 6-2