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NV-R718DA

LoRa 1.0.2. 4-Input Pulse Counter Interface
  • Manufacturer not specified
  • Category: Smart Sensors
  • The NV-R718DA is a LoRaWAN-based industrial-grade wireless interface module designed for pulse counting and vibration detection applications. It integrates a 4-input pulse counter interface with a rolling ball-type vibration sensor, enabling remote monitoring of mechanical motion, vibration events, and pulse-based signals such as flow meters, energy meters, or mechanical counters. Built on the LoRaWAN 1.0.2 protocol, the NV-R718DA offers long-range, low-power wireless communication suitable for industrial IoT (IIoT), smart metering, and predictive maintenance systems.
- LoRaWAN 1.0.2 Protocol Compliance: Ensures interoperability with standard LoRaWAN gateways and network servers.
- 4-Channel Pulse Counter Inputs: Supports up to four independent pulse signal inputs for monitoring multiple devices simultaneously.
- Integrated Rolling Ball Vibration Sensor: Detects vibration or movement events, ideal for equipment status monitoring and motion detection.
- Ultra-Low Power Consumption: Designed for long-term battery operation, suitable for remote or hard-to-reach installations.
- Long-Range Wireless Communication: Utilizes LoRa modulation for extended transmission distances (up to several kilometers in open environments).
- High Sensitivity and Reliability: Stable signal detection with low false trigger rate.
- Configurable Reporting Intervals: Adjustable data transmission intervals and thresholds via downlink commands.
- Industrial-Grade Design: Robust enclosure and components for harsh environmental conditions.
- Easy Integration: Compatible with standard LoRaWAN network infrastructures and cloud-based IoT platforms.
- Battery-Powered Operation: Typically powered by replaceable lithium batteries, ensuring multi-year service life.

Country of origin: Taiwan R.O.C.

1. Product Overview
Product Name: NV-R718DA
Model: NV-R718DA
Series: LoRa 1.0.2 Industrial Wireless Sensor Series
Article Number: NV-R718DA
Manufacturer: Netvox Technology Co., Ltd.

The NV-R718DA is a LoRaWAN-based industrial-grade wireless interface module designed for pulse counting and vibration detection applications. It integrates a 4-input pulse counter interface with a rolling ball-type vibration sensor, enabling remote monitoring of mechanical motion, vibration events, and pulse-based signals such as flow meters, energy meters, or mechanical counters. Built on the LoRaWAN 1.0.2 protocol, the NV-R718DA offers long-range, low-power wireless communication suitable for industrial IoT (IIoT), smart metering, and predictive maintenance systems.




2. Key Features
- LoRaWAN 1.0.2 Protocol Compliance: Ensures interoperability with standard LoRaWAN gateways and network servers.
- 4-Channel Pulse Counter Inputs: Supports up to four independent pulse signal inputs for monitoring multiple devices simultaneously.
- Integrated Rolling Ball Vibration Sensor: Detects vibration or movement events, ideal for equipment status monitoring and motion detection.
- Ultra-Low Power Consumption: Designed for long-term battery operation, suitable for remote or hard-to-reach installations.
- Long-Range Wireless Communication: Utilizes LoRa modulation for extended transmission distances (up to several kilometers in open environments).
- High Sensitivity and Reliability: Stable signal detection with low false trigger rate.
- Configurable Reporting Intervals: Adjustable data transmission intervals and thresholds via downlink commands.
- Industrial-Grade Design: Robust enclosure and components for harsh environmental conditions.
- Easy Integration: Compatible with standard LoRaWAN network infrastructures and cloud-based IoT platforms.
- Battery-Powered Operation: Typically powered by replaceable lithium batteries, ensuring multi-year service life.




3. Technical Specifications
- Model: NV-R718DA
- Communication Protocol: LoRaWAN v1.0.2
- Frequency Bands: EU868 / US915 / AU915 / AS923 / KR920 / IN865 (region-dependent)
- Wireless Range: Up to 10 km (line-of-sight, depending on environment and gateway placement)
- Inputs: 4 independent pulse counter channels
- Input Type: Dry contact or open collector pulse input
- Vibration Sensor Type: Rolling ball mechanical vibration sensor
- Detection Mode: On/off vibration event detection
- Power Supply: 3.6V ER14505 AA lithium battery (replaceable)
- Battery Life: Up to 5 years (depending on reporting frequency and environmental conditions)
- Operating Voltage: 2.4V – 3.6V DC
- Operating Current: < 50 µA (sleep mode), < 120 mA (transmission)
- Operating Temperature: -20°C to +55°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: ≤ 95% (non-condensing)
- Enclosure Material: Industrial-grade ABS plastic
- Ingress Protection: IP65 (dust-tight and water-resistant)
- Dimensions: Approx. 112 mm × 65 mm × 32 mm (L × W × H)
- Weight: Approx. 150 g (including battery)
- Mounting Options: Wall-mount or surface-mount with screws or adhesive pads
- Antenna: Built-in or external LoRa antenna (model-dependent)
- Indicator: LED status indicator for power, network join, and transmission status




4. Functionality
The NV-R718DA functions as a wireless data acquisition node that collects pulse and vibration data from connected equipment and transmits it to a LoRaWAN gateway.

- Pulse Counting: Each of the four input channels can independently record pulse signals generated by flow meters, energy meters, or mechanical counters. The device accumulates pulse counts and periodically transmits the data to the network server.
- Vibration Detection: The built-in rolling ball sensor detects motion or vibration events. When vibration is detected, the sensor triggers an event message, allowing users to monitor equipment activity or detect abnormal mechanical behavior.
- Wireless Communication: Using LoRa modulation, the device sends data packets to a LoRaWAN gateway, which forwards them to a cloud-based IoT platform or local monitoring system.
- Applications:
- Industrial equipment monitoring
- Predictive maintenance and vibration analysis
- Flow and energy metering (water, gas, electricity)
- Smart building and facility management
- Remote mechanical counter monitoring
- Motion detection for security or automation systems
- Compatibility: Fully compatible with standard LoRaWAN network servers (e.g., The Things Network, ChirpStack, Loriot, Actility).




5. Components & Accessories
Included Items:
- NV-R718DA main unit (sensor module)
- Pre-installed ER14505 3.6V lithium battery
- Integrated rolling ball vibration sensor
- 4-channel pulse input terminal block
- Mounting screws and wall anchors
- Quick installation guide

Optional Accessories:
- External LoRa antenna (for extended range models)
- Replacement lithium battery pack
- Waterproof cable glands for outdoor installations
- Configuration cable (for local setup via UART or USB adapter)

Connectors:
- Terminal block for pulse input channels (CH1–CH4)
- Battery compartment with secure cover
- Antenna connector (SMA or internal, depending on variant)




6. Installation & Setup
Requirements:
- LoRaWAN gateway within communication range
- Properly configured network server and application server
- Power source (pre-installed battery)

Mounting Options:
- Wall or flat surface mounting using screws or adhesive pads
- Ensure the device is installed in a location with minimal vibration interference (unless vibration monitoring is desired)
- Maintain clear line-of-sight to the gateway for optimal signal strength

Configuration:
- Device activation via OTAA (Over-The-Air Activation) or ABP (Activation by Personalization)
- Configuration parameters (reporting interval, pulse input mode, vibration sensitivity) can be set via downlink commands or local configuration tools
- LED indicator assists in confirming network join and transmission status

Setup Steps:
1. Insert or verify the battery installation.
2. Mount the device securely in the desired location.
3. Register the device’s DevEUI, AppEUI, and AppKey on the LoRaWAN network server.
4. Power on the device; it will attempt to join the network automatically.
5. Verify successful network join via LED indication or server logs.
6. Configure reporting intervals and thresholds as required.




7. Performance & Capabilities
- Transmission Range: Up to 10 km (line-of-sight); typically 2–5 km in urban environments.
- Data Rate: Adaptive Data Rate (ADR) supported; varies from 0.3 kbps to 50 kbps depending on region and configuration.
- Pulse Counting Frequency: Supports pulse input frequencies up to 1 kHz per channel (depending on firmware version).
- Vibration Detection Sensitivity: Adjustable via configuration; detects motion events above a defined acceleration threshold.
- Power Efficiency: Optimized for low duty-cycle operation; device remains in sleep mode between transmissions to conserve energy.
- Battery Life Expectancy: Up to 5 years under typical conditions (e.g., 10-minute reporting interval, moderate signal strength).
- Limitations:
- Not suitable for high-frequency pulse counting beyond specified limits.
- Rolling ball sensor detects general vibration but not precise acceleration magnitude.
- Wireless range may vary with environmental interference and gateway placement.




8. Standards & Compliance
- LoRaWAN Compliance: Version 1.0.2 certified
- Radio Compliance:
- CE (Europe)
- FCC Part 15 (USA)
- RCM (Australia/New Zealand)
- TELEC (Japan)
- Environmental Protection: IP65-rated enclosure for dust and water resistance
- RoHS Compliance: Meets Restriction of Hazardous Substances Directive
- Safety Standards: Designed according to IEC/EN 60950-1 for electronic equipment safety
- EMC Compliance: Conforms to EN 301 489-1 and EN 301 489-3 standards




9. Additional Information
- Warranty: Standard 1-year limited warranty covering manufacturing defects and hardware failures under normal operating conditions.
- Support: Technical documentation, firmware updates, and configuration tools available from Netvox’s official support portal.
- Maintenance:
- Periodic inspection of battery voltage and replacement when low.
- Ensure enclosure seals remain intact for outdoor installations.
- Clean housing with a dry cloth; avoid solvents or high-pressure cleaning.
- Firmware Updates: Over-the-air (OTA) firmware upgrade supported via LoRaWAN downlink (depending on network server capabilities).
- Service Life: Designed for long-term deployment in industrial and commercial environments, with typical operational lifespan exceeding 5 years.
- Data Security: Supports AES-128 encryption as defined by the LoRaWAN specification for secure data transmission.
- Integration Options: Compatible with third-party IoT platforms via MQTT, HTTP, or API interfaces through the LoRaWAN network server.




Summary
The Netvox NV-R718DA LoRa 1.0.2 4-Input Pulse Counter Interface with Rolling Ball Vibration Sensor is a versatile, low-power wireless device engineered for industrial IoT applications requiring both pulse counting and vibration detection. Its combination of multi-channel pulse inputs, integrated vibration sensing, and long-range LoRaWAN connectivity makes it ideal for monitoring mechanical systems, metering devices, and equipment activity in distributed environments. With robust construction, flexible configuration, and compliance with global wireless standards, the NV-R718DA provides a reliable, scalable solution for remote data acquisition and condition monitoring in smart industry, utilities, and infrastructure management.

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