Dahua Wireless Input Expander ARM320-W2(868)
Model: ARM320-W2(868)
Brand: Dahua
Document Type: Quick Start Guide
Introduction
This guide provides essential information for the installation, configuration, and basic operation of the Dahua ARM320-W2(868) Wireless Input Expander. This device is designed to wirelessly expand the input capabilities of compatible Dahua security and automation systems.
Package Contents
Upon opening the package, please verify that the following items are included:
- 1 x Dahua ARM320-W2(868) Wireless Input Expander Unit
- 1 x Mounting Bracket
- 1 x Set of Mounting Screws and Anchors
- 1 x CR2032 Battery
- 1 x Quick Start Guide (this document)
[Note: Contents may vary slightly by region or revision.]
Installation
Follow these steps to install the Wireless Input Expander:
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Choose a Location
Select a suitable location for the expander that is within wireless range of the main system hub and allows for easy connection of wired sensors. Avoid areas with significant electromagnetic interference.
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Mount the Bracket
Use the provided mounting bracket and screws to secure the expander to a wall or other suitable surface. Diagram Description: A visual representation shows the mounting bracket being fixed to a wall using screws. The expander unit is designed to clip securely onto this bracket after installation.
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Install the Battery
Open the battery compartment located on the back of the expander unit. Insert the included CR2032 battery, ensuring correct polarity (positive '+' terminal facing upwards). Close the battery compartment securely. Diagram Description: An illustration depicts the rear of the expander unit with the battery cover being opened. The CR2032 battery is shown being placed into its slot with the '+' symbol oriented correctly.
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Connect Wired Sensors
Connect your wired sensors (e.g., door/window contacts, motion detectors) to the designated input terminals on the expander unit. Refer to the system's main manual for specific wiring diagrams and sensor compatibility.
Device Pairing and Configuration
To integrate the expander into your Dahua system, you will need to pair it with the main hub or control panel.
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Enter Pairing Mode
Press and hold the pairing button on the expander unit for approximately 5 seconds until the status LED begins to blink. Icon Description: A small button symbol `[button]` is indicated on the device diagram.
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Initiate Pairing on Hub
Access the device management section of your Dahua system's mobile app or control panel. Select the option to add a new device or sensor. Diagram Description: A screenshot of a mobile application interface is described, showing options like 'Add Device' and a QR code scanner icon `[QR scanner]`. Follow the on-screen prompts to scan a QR code on the expander or select it from a list.
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Confirmation
Once pairing is successful, the status LED on the expander will turn solid, and the device will appear in your system's list of connected peripherals. Icon Description: A solid green LED `?` indicates successful connection.
LED Indicators
The status LED on the expander provides information about its operational state:
- Solid Green ?: Normal operation, connected to the system.
- Blinking Green ?: Pairing mode active.
- Solid Red ?: Error or fault detected. Check system logs.
- Blinking Red ?: Low battery warning. Replace the battery soon.
- Off: Device is powered off or in sleep mode.
Specifications
| Parameter | Specification |
|---|---|
| Model | ARM320-W2(868) |
| Wireless Frequency | 868 MHz |
| Input Channels | 4 (configurable as normally open/closed) |
| Power Supply | 3V DC (CR2032 battery) |
| Battery Life | Approximately 2 years (typical usage) |
| Operating Temperature | -10°C to +55°C (14°F to 131°F) |
| Operating Humidity | 10% to 90% RH (non-condensing) |
| Dimensions (W x H x D) | Approx. 80mm x 80mm x 20mm (3.15" x 3.15" x 0.79") |
| Weight | Approx. 100g (0.22 lbs) |
Safety and Compliance
Please adhere to the following safety guidelines:
- Only use the specified battery type (CR2032).
- Dispose of used batteries responsibly according to local regulations.
- Do not expose the device to water or extreme temperatures.
- This device is intended for use with compatible Dahua systems.
- Refer to the Dahua website for full compliance certifications and safety data sheets.
Support
For further assistance, troubleshooting, or to access the full user manual, please visit the official Dahua Technology website or contact your authorized Dahua distributor.
