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NV-R313CA

LoRa 1.0.2. Push Button Interface
  • Manufacturer not specified
  • Category: Smart Sensors
  • The NV-R313CA LoRa 1.0.2 Push Button Interface is a compact, low-power wireless dry contact sensor designed for remote monitoring and control applications using the LoRaWAN® 1.0.2 protocol. It provides a reliable interface for detecting button presses, switch activations, or other contact closure events and transmitting these states over long-range, low-power LoRa networks. The device is engineered for industrial, commercial, and smart building environments where wireless connectivity, extended battery life, and robust communication are essential.
- LoRaWAN® 1.0.2 Compliance: Fully compliant with the LoRaWAN 1.0.2 specification, ensuring interoperability with standard LoRa gateways and network servers.
- Wireless Dry Contact Interface: Supports one or more dry contact inputs, enabling connection to push buttons, switches, or relay outputs for event detection.
- Ultra-Low Power Consumption: Designed for long-term battery operation, typically lasting several years depending on transmission frequency and environmental conditions.
- Long-Range Communication: Utilizes LoRa modulation for extended communication distances, often exceeding several kilometers in open environments.
- Compact and Durable Design: Small form factor suitable for wall or surface mounting; enclosure designed for indoor or sheltered outdoor use.
- Event-Driven Transmission: Sends uplink messages upon state changes (e.g., button press or release), optimizing power efficiency and network bandwidth.
- Configurable Parameters: Adjustable reporting intervals, debounce times, and input logic through downlink commands or configuration tools.
- Secure Communication: Implements AES-128 encryption as defined by the LoRaWAN standard for data integrity and security.
- Flexible Integration: Compatible with standard LoRaWAN network servers and IoT platforms for data visualization, alerting, and automation.
- Maintenance-Free Operation: Battery-powered with minimal maintenance requirements; no external power or wiring needed for operation.

Country of origin: Taiwan R.O.C.

1. Product Overview
Product Name: LoRa 1.0.2 Push Button Interface
Model: NV-R313CA
Series: NV-R Series Wireless Sensors
Article Number: NV-R313CA
Manufacturer: (Typically produced by a manufacturer specializing in LoRa-based IoT and wireless sensor devices; the NV-R313CA follows the naming convention of Netvox or similar industrial IoT hardware providers.)

The NV-R313CA LoRa 1.0.2 Push Button Interface is a compact, low-power wireless dry contact sensor designed for remote monitoring and control applications using the LoRaWAN® 1.0.2 protocol. It provides a reliable interface for detecting button presses, switch activations, or other contact closure events and transmitting these states over long-range, low-power LoRa networks. The device is engineered for industrial, commercial, and smart building environments where wireless connectivity, extended battery life, and robust communication are essential.




2. Key Features
- LoRaWAN® 1.0.2 Compliance: Fully compliant with the LoRaWAN 1.0.2 specification, ensuring interoperability with standard LoRa gateways and network servers.
- Wireless Dry Contact Interface: Supports one or more dry contact inputs, enabling connection to push buttons, switches, or relay outputs for event detection.
- Ultra-Low Power Consumption: Designed for long-term battery operation, typically lasting several years depending on transmission frequency and environmental conditions.
- Long-Range Communication: Utilizes LoRa modulation for extended communication distances, often exceeding several kilometers in open environments.
- Compact and Durable Design: Small form factor suitable for wall or surface mounting; enclosure designed for indoor or sheltered outdoor use.
- Event-Driven Transmission: Sends uplink messages upon state changes (e.g., button press or release), optimizing power efficiency and network bandwidth.
- Configurable Parameters: Adjustable reporting intervals, debounce times, and input logic through downlink commands or configuration tools.
- Secure Communication: Implements AES-128 encryption as defined by the LoRaWAN standard for data integrity and security.
- Flexible Integration: Compatible with standard LoRaWAN network servers and IoT platforms for data visualization, alerting, and automation.
- Maintenance-Free Operation: Battery-powered with minimal maintenance requirements; no external power or wiring needed for operation.




3. Technical Specifications
- Model: NV-R313CA
- Wireless Protocol: LoRaWAN® 1.0.2
- Frequency Bands: Typically available in regional variants (e.g., EU868, US915, AS923, AU915, KR920, IN865) depending on deployment region.
- Modulation: LoRa (Long Range Spread Spectrum)
- Input Type: Dry contact interface (push button or switch input)
- Input Channels: 1 channel (configurable for normally open or normally closed operation)
- Power Supply: Internal lithium battery (replaceable or factory-sealed depending on model variant)
- Battery Life: Up to 5–10 years (typical, depending on transmission frequency and environmental conditions)
- Operating Voltage: 3.0 V nominal (battery powered)
- Current Consumption:
- Sleep mode: <10 µA
- Transmission: <120 mA (typical during LoRa uplink)
- Transmission Power: Up to +20 dBm (region-dependent)
- Receiver Sensitivity: Down to -137 dBm (typical)
- Communication Range: Up to 10 km (line-of-sight, open field); typically 1–3 km in urban environments
- Dimensions: Approx. 65 mm × 65 mm × 20 mm (typical enclosure size)
- Weight: Approx. 60–80 g (including battery)
- Enclosure Material: ABS or polycarbonate plastic housing
- Ingress Protection: IP30 to IP65 (depending on model variant and enclosure type)
- Operating Temperature: -20°C to +55°C
- Storage Temperature: -40°C to +85°C
- Humidity: 0–95% RH (non-condensing)
- Mounting Options: Wall mount, surface mount, or adhesive mounting
- Indicator: LED status indicator for network join, transmission, and battery status




4. Functionality
The NV-R313CA operates as a wireless dry contact sensor that detects the closure or opening of an external contact, such as a push button, mechanical switch, or relay output. When the contact state changes, the device immediately transmits an uplink message via the LoRaWAN network, reporting the new state and optional diagnostic data (battery level, signal strength, etc.).

Use Cases and Applications:
- Smart Buildings: Monitor doorbells, call buttons, or manual override switches in building automation systems.
- Industrial Monitoring: Detect machine start/stop signals, safety interlocks, or manual control inputs.
- Security Systems: Integrate with alarm panels or emergency buttons for wireless event reporting.
- Facility Management: Track maintenance requests or service calls triggered by button presses.
- Agriculture and Remote Sites: Enable remote triggering or monitoring of equipment in areas without wired infrastructure.

Compatibility:
- Compatible with any LoRaWAN-compliant gateway and network server (e.g., The Things Network, ChirpStack, Actility, Loriot).
- Integrates easily with IoT platforms via MQTT, HTTP, or API interfaces for data visualization and automation.
- Supports Class A LoRaWAN device operation, ensuring low power consumption and asynchronous communication.




5. Components & Accessories
Included Items:
- NV-R313CA LoRa Push Button Interface unit
- Pre-installed internal battery
- Mounting screws or adhesive pads (depending on packaging)
- Quick start guide or installation leaflet

Optional Accessories:
- External push button or switch (user-supplied)
- Weatherproof enclosure or protective housing for outdoor use
- Configuration cable or NFC configuration tool (if supported)
- Replacement battery kit (for serviceable models)

Connectors and Interfaces:
- Dry Contact Terminals: Screw or spring terminals for connecting external button/switch leads
- LED Indicator: Provides visual feedback for power, join status, and transmission activity
- Internal Antenna: Integrated high-efficiency antenna for LoRa communication
- Optional External Antenna Port: Available on certain variants for extended range or metal-enclosed installations




6. Installation & Setup
Requirements:
- LoRaWAN gateway within communication range
- Network server credentials (AppEUI, DevEUI, AppKey) for device activation
- Compatible LoRaWAN network (public or private)

Mounting Options:
- Wall or surface mounting using screws or adhesive pads
- Ensure the device is installed in a location with adequate LoRa signal coverage
- Avoid metallic enclosures or obstructions that may attenuate radio signals

Configuration:
- Supports Over-the-Air Activation (OTAA) or Activation by Personalization (ABP)
- Configuration parameters (reporting interval, debounce time, input logic) can be set via downlink commands or configuration tools
- LED indicator assists in confirming successful network join and transmission events

Setup Procedure:
1. Register the device on the LoRaWAN network server using its unique DevEUI, AppEUI, and AppKey.
2. Connect the external push button or switch to the dry contact terminals.
3. Power on the device (battery activation tab removal if applicable).
4. Wait for the device to join the network (LED indicator confirms join success).
5. Test the button press to verify uplink transmission and data reception on the server.




7. Performance & Capabilities
- Transmission Range: Up to 10 km (line-of-sight); range depends on environment, antenna orientation, and gateway sensitivity.
- Data Rate: Adaptive Data Rate (ADR) supported; automatically adjusts spreading factor (SF7–SF12) for optimal performance.
- Latency: Typically <2 seconds for uplink event reporting under normal network conditions.
- Battery Life: Up to 10 years under low-frequency event conditions (e.g., one transmission per day); shorter under frequent activation.
- Event Detection: Debounce filtering ensures accurate detection of button presses without false triggers.
- Reliability: AES-128 encryption and CRC checks ensure data integrity and secure communication.
- Limitations:
- Not suitable for high-frequency pulse counting or continuous signal monitoring.
- Indoor range may be reduced by walls, metal structures, or interference sources.
- Battery life depends on environmental temperature and transmission frequency.




8. Standards & Compliance
- LoRaWAN® Specification: Version 1.0.2 compliant
- Radio Compliance:
- EU: EN 300 220, EN 301 489
- US: FCC Part 15 Subpart C
- AU/NZ: AS/NZS 4268
- Other regional certifications as applicable
- Safety Standards: EN 60950-1 or EN 62368-1 (depending on model revision)
- Environmental Compliance: RoHS, REACH compliant materials
- EMC Compliance: EN 301 489-1, EN 301 489-3
- Security: AES-128 encryption per LoRaWAN standard
- Device Class: Class A (bi-directional, low-power operation)




9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1–2 years) covering defects in materials and workmanship under normal use conditions.

Support:
- Technical documentation, user manuals, and configuration guides available from the manufacturer’s support portal.
- Firmware updates and configuration tools provided for compatible models.
- Customer support available via email or online ticketing system.

Maintenance:
- Minimal maintenance required; periodic inspection recommended to ensure enclosure integrity and battery condition.
- Battery replacement procedure (if applicable) should be performed by qualified personnel following manufacturer guidelines.

Firmware & Updates:
- Supports firmware updates via over-the-air (OTA) or local interface (depending on model).
- Configuration parameters can be updated remotely through LoRaWAN downlink commands.

Lifecycle & Sustainability:
- Designed for long operational life with low environmental impact.
- Compliant with environmental directives for electronic waste and hazardous substances.




Summary
The NV-R313CA LoRa 1.0.2 Push Button Interface is a robust, low-power wireless dry contact sensor optimized for long-range IoT applications. It provides a simple yet powerful means of transmitting button press or contact closure events over LoRaWAN networks, enabling remote monitoring and control in industrial, commercial, and smart infrastructure environments. With its compact design, extended battery life, and compliance with global LoRaWAN standards, the NV-R313CA offers a reliable and scalable solution for integrating manual input or event detection into modern IoT ecosystems.




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