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NVS440R User's Guide
6. Tips for Using NVS440R
6.1. Alarm Input/Output
The Alarm In/RLY OUT Connector is used to connect the various sensing and alerting devices. Examples of
sensing devices are infrared sensors, motion sensors, heat/smoke sensors, and magnetic sensor. Examples
of alerting devices are Sirens or Beacons. It can also be used to lock doors or trigger a call to the police
department. The options are limitless since the output can also be ported to an solid state relay to drive high
voltage devices like garage door openers, motors, sprinkler systems and much more.
No.
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1. Alarm Input(ALARM IN)
Connect the two wires of the sensors. The sensor type can be set in Administrative
Mode(Ref. 5.5 & 5.6). Output lines providing on-off switching are connected between
"In-" and "In+" pins. Figure 6-2 shows the input circuit of "Alarm In".
Figure 6-1. Alarm IN/RLY OUT Connector
Name
In -
Input signal from external sensor device (-)
In +
Input signal from external sensor device (+)
Out -
Output signal to external alerting device (-)
Out +
Output signal to external alerting device (+)
- - - - 37
Description
37 - - - -
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