How to connect alarm device to VIGI NVR

Configuration Guide
Дата последнего обновления: 10-28-2024 07:25:21 AM 1518
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Contents

Objective

Requirements

Introduction

Connection

Alarm In

Alarm Out

Configuration

Alarm Input

Alarm Output

Conclusion

Objective

This article provides configuration for connecting external alarm device to VIGI NVR and the steps to configure alarm in/output.

Requirements

  • VIGI NVR(such as VIGI NVR4032H)
  • External Alarm Devices

Introduction

Some VIGI NVR supports external alarm devices, which can be used to trigger alarms after NVR events, or to detect environmental abnormalities and provide abnormal signals. This article aims to introduce how to connect external alarms and configure them on NVRs.

Connection

Alarm In

Please connect the positive terminal of the alarm input device to the alarm input port (ALARM IN 1-16) of the NVR, and the negative terminal of the alarm input device to the ground terminal (G) of the NVR, as shown below.

The connection topology to connect the external alarm in device to VIGI NVR.

Note:

The ground terminal of the alarm input (ALARM IN) requires the use of the G terminal shown in the above illustration and cannot be connected to the G terminal of the ALARM OUT connector.

Alarm Out

The alarm output can be connected to either DC or AC loads. When used as a control switch for AC circuits, it is imperative to use an external relay to avoid damage to the equipment and the risk of electric shock.

Power by DC

Please connect the positive terminal of the alarm output device to the positive terminal of the NVR alarm output port (ALARM OUT), marked 1~4. Then, connect the negative terminal of the alarm output device to the corresponding ground terminal (G) of the NVR alarm output port (ALARM OUT).

The connection topology to connect the external alarm out device to VIGI NVR, the external siren is powered by DC.

Notes:

  1. The alarm port of the NVR is compatible with DC loads of up to 24V.
  2. The NVR alarm output port (ALARM OUT) positive pole (marking 1~4) and the corresponding ground terminal (G) must be connected in a one-to-one manner, and cannot be mixed.

Power by AC

Please be aware that the normal AC load voltage is too high to trigger the alarm. Consequently, when external AC loads are connected, it is necessary to use an external relay, as illustrated in the schematic below.

The connection topology to connect the external alarm out device to VIGI NVR, the external siren is powered by AC.

Configuration

After connecting the external alarm device to the VIGI NVR, we need to configure the VIGI NVR.

Alarm Input

Step 1. Select the Alarm input port from A1 to A16, we can also modify the Alarm Name for the port.

The alarm device setting page on the VIGI NVR.

The alarm input number we could set on the VIGI NVR.

Step 2. Enable this alarm input.

The alarm device setting page on the VIGI NVR.

Step 3. Select the Alarm Type.

The alarm device setting page on the VIGI NVR.

The alarm type setting on the VIGI NVR.

Normally Open means that under normal conditions, the circuit is open and no current passes through the NVR, when the alarm is triggered, the current passes through the NVR and the NVR alarms.

Normally Closed means that normally the circuit is closed, and the NVR will alarm in case of a circuit fault or alarm trigger.

This depends on the type of alarm input device.

Step 4. Set up Arming Time. The Alarm input will only work during the set time interval.

The alarm device setting page on the VIGI NVR.

Step 5. Configure Linkage Method.

The alarm device setting page on the VIGI NVR.

For Regular Linkage, we can choose ‘Buzzer’ and ‘Screen Prompt’, or ink with any output port, when the alarm is triggered will let the linked port output signal.

The alarm linkage setting on VIGI NVR.

For Recording Linkage, we can choose to link with any channel, when the alarm is triggered will let the corresponding channel start video recording.

The location of recording linkage on the VIGI NVR.

Alarm Output

Step 1. Select Alarm Output port from A1 to A4, we can also modify the Alarm Name for the port.

The alarm device setting page on the VIGI NVR.

The alarm output number we could set on the VIGI NVR.

The alarm device setting page on the VIGI NVR.

Step 2. Duration of device alarms.

The alarm device setting page on the VIGI NVR.

Step 3. Arming Time settings. The Alarm output will only work during the set time interval.

The alarm device setting page on the VIGI NVR.

Step 4. Set the alarm linkage on the Event setting page.

The alarm linkage setting on the VIGI NVR.

The alarm linkage setting on the VIGI NVR.

Conclusion

You have successfully set external alarm devices on VIGI NVR.

Get to know more details of each function and configuration, please go to Download Center | TP-Link to download the manual of your product.

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