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INSTALLATION – SMCC01: Contact Closure Sensor Module
The SMCC01 sensor module detects dry switch/relay closure. Two wires form a dry switch or relay
contacts can be connect to the screw terminals. When a switch or relay provides a ‘short’ between
the two wires, the sensor module is ‘on’. When the switch or relay provides an ‘open’ between the two
wires, the sensor module is ‘off’.
(1) Plug the 1/8” (3.5mm) mini-plug into the sensing controller (CBCSM1 and MRC platform
provides power to the sensor module). Sensing controller power should be off.
(2) Connect wires from the screw terminals to the switch or relay.
(3) Close the switch or relay to create a ‘short circuit’ between the screw terminals.
(4) Verify the SMCC01 LED indicator is ‘on’.
(5) Open the switch or replay to create an ‘open circuit’ between the screw terminals.
(6) Verify the SMCC01 LED indicator is ‘off’.
(7) If the indicator is not ‘off’, then adjust the sensitivity until the LED just turns off.
(8) Repeat Steps 4 to 8 until both ‘on’ and ‘off’ conditions are satisfied.
INSTALLATION – SMVLT01: AC\DC Voltage Sensor Module
The SMVLT01 sensor module detects AC or DC voltage between 9 to 24 volts. Two wires are
connected from the voltage generating source to the sensor module. For instance, a 781RG +12Vdc
power supply can be connected to the switch outlet of a common stereo receiver. The output of the
781RG is connected to the SMVLT01. When the stereo receiver is on, the SMVLT01 turns on.
Another application is to ‘tap’ onto the doorbell ringer. When the doorbell is energized, the SMVLT01
will detect the voltage and turns on.
(1) Plug the 1/8” (3.5mm) mini-plug into the sensing controller (CBCSM1 and MRC platform
provides power to the sensor module). Sensing controller power should be off.
(2) Connect wires from the screw terminals to the voltage source.
(3) Turn on the power source. (i.e. press doorbell button or turn on stereo receiver)
(4) Verify the SMVLT01 LED indicator is ‘on’.
(5) Turn off the power source. (i.e. depress doorbell button or turn off stereo receiver)
(6) Verify the SMVLT01 LED indicator is ‘off’.
(7) If the indicator is not ‘off’, then adjust the sensitivity until the LED just turns off.
(8) Repeat Steps 4 to 8 until both ‘on’ and ‘off’ conditions are satisfied.
