Clover Electronics DV1670D instruction manual Sensor input with 3 volt DC

Chapter 2. Hardware Description

3.Rear Port Specification and Connection Examples

Sensors are outputting no voltage, however DVR unit requires 5 volt DC to get response for sensor.

Some Device outputting 12V DC should have Relay that provides dry contact to DVR.

Relay Switch

+5V DC

+5V DC +5V DC +5V DC

Sensor 1 Sensor 2 Sensor 3

+12V DC

Device

Figure 18 Sensor input with 3 volt DC

Example 3. Alarm panel integration with Dry and Wet sensor.

Dry sensors (sensors with no voltage) and Wet sensors (sensors that put out voltage) are readily available to be used with our DVR unit.

Most of the alarm panel that exist today requires some type of Direct Current Voltage from sensors and it also has programmable relay-out connection called PGM available to alarm panel. PGM is used to follow programmed conditions in alarm panel (EX: if smoke detector is sensed then send the signal to fire department and trip 12 volt DC to PGM output where DVR unit will receive the such event through relay switch. It is critical that voltage regulating relay board to be introduced in this type of installation or else DVR unit will be damaged by introducing higher voltage to the unit.)

+5V DC

+5V DC

Relay Switch

+12V DC

Relay Switch

PGM1

Alarm Panel

C

Programmable output from Alarm panel call PGM will provide ground output and it receives 12V DC from Alarm Panel

Sensor 1 port is used in DVR for Arm and Disarm Function.

So PGM1 of Alarm panel should be programmed for Arm and Dis- Arm

B

Sensor 2

+3V DC

Smoke Detector

Figure 19 Alarm Panel and Sensor Example

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