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- Dual Relay Outputs: Equipped with 2 independent relays, each rated at 0.25 A / 3 W, allowing control of external circuits or system reset lines.
- USB Interface: Connects directly via USB, enabling communication and power through a single cable.
- Watchdog Functionality: Monitors system activity and automatically triggers a reset or relay action if the system becomes unresponsive.
- Configurable Time Interval: Adjustable watchdog timeout from 80 milliseconds to 38 hours, providing flexibility for various application requirements.
- ATX Watchdog Cable Compatibility: Supports optional ATX watchdog cable for direct integration with PC power/reset headers, enabling automated hardware resets.
- External Module Design: Compact external form factor allows easy integration without internal system modification.
- Fail-Safe Operation: Ensures system recovery in case of software or hardware lock-up, minimizing downtime.
- Low Power Consumption: Efficient design suitable for continuous operation in embedded or unattended systems.
- Plug-and-Play Setup: Recognized as a standard USB device, simplifying installation and configuration.
- Industrial Reliability: Designed for robust operation in industrial control, server monitoring, and automation systems.
- USB Interface: Connects directly via USB, enabling communication and power through a single cable.
- Watchdog Functionality: Monitors system activity and automatically triggers a reset or relay action if the system becomes unresponsive.
- Configurable Time Interval: Adjustable watchdog timeout from 80 milliseconds to 38 hours, providing flexibility for various application requirements.
- ATX Watchdog Cable Compatibility: Supports optional ATX watchdog cable for direct integration with PC power/reset headers, enabling automated hardware resets.
- External Module Design: Compact external form factor allows easy integration without internal system modification.
- Fail-Safe Operation: Ensures system recovery in case of software or hardware lock-up, minimizing downtime.
- Low Power Consumption: Efficient design suitable for continuous operation in embedded or unattended systems.
- Plug-and-Play Setup: Recognized as a standard USB device, simplifying installation and configuration.
- Industrial Reliability: Designed for robust operation in industrial control, server monitoring, and automation systems.
1. Product Overview
Product Name: USB Watch Dog Board 2×Relay Module
Model: USBWDOG3
Series: USB Watchdog Series (Third Generation)
Article Number: USBWDOG3
Manufacturer: [Manufacturer not specified in source content; typically produced by OEM/ODM electronics suppliers specializing in USB watchdog and relay control modules]
The USBWDOG3 is a compact, external USB Watch Dog board designed to provide automated system monitoring and hardware reset functionality for computers, servers, and embedded systems. It integrates two independent relay channels and supports configurable time intervals ranging from 80 milliseconds up to 38 hours, enabling precise control over system uptime and recovery. The module is engineered for reliability in industrial, IT, and automation environments where continuous operation and fail-safe recovery are critical.
2. Key Features
- Dual Relay Outputs: Equipped with 2 independent relays, each rated at 0.25 A / 3 W, allowing control of external circuits or system reset lines.
- USB Interface: Connects directly via USB, enabling communication and power through a single cable.
- Watchdog Functionality: Monitors system activity and automatically triggers a reset or relay action if the system becomes unresponsive.
- Configurable Time Interval: Adjustable watchdog timeout from 80 milliseconds to 38 hours, providing flexibility for various application requirements.
- ATX Watchdog Cable Compatibility: Supports optional ATX watchdog cable for direct integration with PC power/reset headers, enabling automated hardware resets.
- External Module Design: Compact external form factor allows easy integration without internal system modification.
- Fail-Safe Operation: Ensures system recovery in case of software or hardware lock-up, minimizing downtime.
- Low Power Consumption: Efficient design suitable for continuous operation in embedded or unattended systems.
- Plug-and-Play Setup: Recognized as a standard USB device, simplifying installation and configuration.
- Industrial Reliability: Designed for robust operation in industrial control, server monitoring, and automation systems.
3. Technical Specifications
- Model: USBWDOG3
- Relay Channels: 2 independent relays
- Relay Rating: 0.25 A (maximum current), 3 W (maximum switching power)
- Time Interval Range: 80 ms to 38 hours (configurable)
- Interface: USB 2.0 (compatible with USB 1.1 and USB 3.0 ports)
- Power Supply: USB bus-powered (5 V DC nominal)
- Control Type: Hardware watchdog via USB communication
- Form Factor: External module (enclosed PCB with USB connector)
- Material: PCB with protective coating; enclosure material typically ABS or aluminum (depending on variant)
- Dimensions: [Exact dimensions not specified; typically compact, e.g., ~60 × 40 × 15 mm]
- Weight: [Approximate weight not specified; estimated <50 g]
- Operating Temperature: [Not specified; typical range 0°C to +60°C for USB modules]
- Storage Temperature: [Not specified; typical range -20°C to +70°C]
- Indicators: May include LED status indicators for power and relay activity (depending on version)
- Connectivity: USB Type-A or Type-B connector (depending on model variant)
- Mounting Options: External placement, desktop, or panel mounting via adhesive or screws
4. Functionality
The USBWDOG3 operates as a hardware watchdog controller that monitors system activity through a USB connection. When connected to a host computer or embedded controller, it receives periodic “keep-alive” signals via USB communication. If the host fails to send these signals within the configured timeout period, the watchdog triggers one or both relays to perform a corrective action—typically a system reset or power cycle.
Use Cases and Applications:
- Server Monitoring: Automatically resets unresponsive servers or network appliances.
- Industrial Automation: Ensures continuous operation of PLCs, controllers, or embedded systems.
- Kiosk and Digital Signage Systems: Prevents system lock-ups in unattended installations.
- Remote Monitoring Stations: Provides autonomous recovery for systems in inaccessible locations.
- Embedded Computing: Integrates with single-board computers (e.g., Raspberry Pi, industrial PCs) for reliability.
- ATX System Integration: When used with the optional ATX watchdog cable, it can directly control motherboard reset or power-on pins.
Compatibility:
- Compatible with Windows, Linux, and other operating systems supporting USB communication.
- Works with standard USB ports on PCs, servers, and embedded devices.
- Can interface with custom software or scripts for watchdog signal generation.
5. Components & Accessories
Included Items:
- USB Watch Dog Board (USBWDOG3)
- USB connection cable (may vary by package)
- Documentation or quick-start guide (if provided by manufacturer)
Optional Accessories:
- ATX Watchdog Cable: Enables direct connection to PC motherboard reset or power headers for automated hardware resets.
- Mounting Hardware: Optional brackets or adhesive pads for secure installation.
- Relay Extension Cables: For connecting external circuits or devices to the relay outputs.
Connectors:
- USB Port: For power and communication.
- Relay Terminals: Two sets of relay contacts (normally open or normally closed, depending on configuration).
- ATX Header (optional): For integration with PC power/reset lines.
6. Installation & Setup
Requirements:
- Available USB port (5 V DC power supply via USB).
- Host system capable of running watchdog control software or sending periodic USB signals.
Installation Steps:
1. Connect the USBWDOG3 to the host system via the provided USB cable.
2. Install any required drivers (if applicable; many versions operate as standard USB HID devices).
3. Configure the watchdog interval using the manufacturer’s software utility or command-line tool.
4. Connect relay outputs to the target system’s reset or power control lines, or to external circuits.
5. (Optional) Attach the ATX watchdog cable to the motherboard’s power/reset headers for direct control.
6. Test the watchdog function by simulating a system hang or stopping the keep-alive signal to verify automatic reset.
Mounting Options:
- External placement near the host system.
- Panel or enclosure mounting using screws or adhesive pads.
- Cable management recommended for stable USB and relay connections.
Configuration:
- Time interval adjustable from 80 ms to 38 hours via software or firmware settings.
- Relay behavior (normally open/closed, single or dual relay activation) configurable depending on application.
7. Performance & Capabilities
- Response Time: Minimum 80 ms interval allows rapid detection of system faults.
- Maximum Timeout: Up to 38 hours for long-duration monitoring cycles.
- Relay Output Power: 3 W per channel, suitable for low-power control circuits or signal-level switching.
- Reliability: Designed for continuous 24/7 operation.
- Efficiency: USB-powered design eliminates need for external power supply.
- Limitations:
- Relay current limited to 0.25 A; not suitable for high-power loads.
- Requires host software or firmware to send periodic keep-alive signals.
- Environmental limits depend on enclosure and installation conditions.
Performance Highlights:
- Stable USB communication ensures consistent watchdog operation.
- Dual relays provide redundancy or multi-channel control.
- Long configurable timeout range supports both rapid-response and long-term monitoring applications.
8. Standards & Compliance
- USB Compliance: Conforms to USB 2.0 specifications (backward compatible with USB 1.1, forward compatible with USB 3.x).
- Electrical Safety: Designed to meet low-voltage DC operation standards (5 V USB).
- RoHS Compliance: Typically manufactured with lead-free components and materials compliant with RoHS directives.
- EMC/EMI Considerations: Designed for minimal electromagnetic interference in typical computing environments.
- Industry Standards: Suitable for integration in systems adhering to ATX, industrial automation, and embedded computing standards.
- Regulatory Compliance: Depending on manufacturer, may carry CE or FCC markings for electronic devices.
9. Additional Information
Warranty:
- Standard limited warranty (duration varies by supplier, typically 12 months).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical documentation and software utilities typically available from the manufacturer or distributor.
- Community and OEM support for integration with custom applications.
Maintenance:
- Minimal maintenance required; periodic inspection of USB and relay connections recommended.
- Ensure clean, dry environment to prevent corrosion or contact degradation.
- Firmware updates (if applicable) may be available to enhance functionality or compatibility.
Updates & Revisions:
- USBWDOG3 represents the third-generation design in the USB Watchdog series, offering improved timing precision and dual-relay capability compared to earlier models.
- Future firmware or software updates may expand compatibility with additional operating systems or provide enhanced configuration options.
### Summary
The USBWDOG3 USB Watch Dog Board (2×Relay Module) is a versatile, external watchdog controller designed to enhance system reliability through automated monitoring and reset functionality. Featuring two 0.25 A / 3 W relays, a configurable timeout range from 80 ms to 38 hours, and USB-based communication, it provides a robust solution for maintaining uptime in servers, industrial controllers, kiosks, and embedded systems. Its optional ATX watchdog cable enables direct integration with PC motherboards for hardware-level resets, while its compact, external design ensures easy installation and compatibility across diverse platforms.
Engineered for continuous operation, low power consumption, and broad configurability, the USBWDOG3 is an essential component for any application requiring autonomous system recovery and dependable watchdog control.
Product Name: USB Watch Dog Board 2×Relay Module
Model: USBWDOG3
Series: USB Watchdog Series (Third Generation)
Article Number: USBWDOG3
Manufacturer: [Manufacturer not specified in source content; typically produced by OEM/ODM electronics suppliers specializing in USB watchdog and relay control modules]
The USBWDOG3 is a compact, external USB Watch Dog board designed to provide automated system monitoring and hardware reset functionality for computers, servers, and embedded systems. It integrates two independent relay channels and supports configurable time intervals ranging from 80 milliseconds up to 38 hours, enabling precise control over system uptime and recovery. The module is engineered for reliability in industrial, IT, and automation environments where continuous operation and fail-safe recovery are critical.
2. Key Features
- Dual Relay Outputs: Equipped with 2 independent relays, each rated at 0.25 A / 3 W, allowing control of external circuits or system reset lines.
- USB Interface: Connects directly via USB, enabling communication and power through a single cable.
- Watchdog Functionality: Monitors system activity and automatically triggers a reset or relay action if the system becomes unresponsive.
- Configurable Time Interval: Adjustable watchdog timeout from 80 milliseconds to 38 hours, providing flexibility for various application requirements.
- ATX Watchdog Cable Compatibility: Supports optional ATX watchdog cable for direct integration with PC power/reset headers, enabling automated hardware resets.
- External Module Design: Compact external form factor allows easy integration without internal system modification.
- Fail-Safe Operation: Ensures system recovery in case of software or hardware lock-up, minimizing downtime.
- Low Power Consumption: Efficient design suitable for continuous operation in embedded or unattended systems.
- Plug-and-Play Setup: Recognized as a standard USB device, simplifying installation and configuration.
- Industrial Reliability: Designed for robust operation in industrial control, server monitoring, and automation systems.
3. Technical Specifications
- Model: USBWDOG3
- Relay Channels: 2 independent relays
- Relay Rating: 0.25 A (maximum current), 3 W (maximum switching power)
- Time Interval Range: 80 ms to 38 hours (configurable)
- Interface: USB 2.0 (compatible with USB 1.1 and USB 3.0 ports)
- Power Supply: USB bus-powered (5 V DC nominal)
- Control Type: Hardware watchdog via USB communication
- Form Factor: External module (enclosed PCB with USB connector)
- Material: PCB with protective coating; enclosure material typically ABS or aluminum (depending on variant)
- Dimensions: [Exact dimensions not specified; typically compact, e.g., ~60 × 40 × 15 mm]
- Weight: [Approximate weight not specified; estimated <50 g]
- Operating Temperature: [Not specified; typical range 0°C to +60°C for USB modules]
- Storage Temperature: [Not specified; typical range -20°C to +70°C]
- Indicators: May include LED status indicators for power and relay activity (depending on version)
- Connectivity: USB Type-A or Type-B connector (depending on model variant)
- Mounting Options: External placement, desktop, or panel mounting via adhesive or screws
4. Functionality
The USBWDOG3 operates as a hardware watchdog controller that monitors system activity through a USB connection. When connected to a host computer or embedded controller, it receives periodic “keep-alive” signals via USB communication. If the host fails to send these signals within the configured timeout period, the watchdog triggers one or both relays to perform a corrective action—typically a system reset or power cycle.
Use Cases and Applications:
- Server Monitoring: Automatically resets unresponsive servers or network appliances.
- Industrial Automation: Ensures continuous operation of PLCs, controllers, or embedded systems.
- Kiosk and Digital Signage Systems: Prevents system lock-ups in unattended installations.
- Remote Monitoring Stations: Provides autonomous recovery for systems in inaccessible locations.
- Embedded Computing: Integrates with single-board computers (e.g., Raspberry Pi, industrial PCs) for reliability.
- ATX System Integration: When used with the optional ATX watchdog cable, it can directly control motherboard reset or power-on pins.
Compatibility:
- Compatible with Windows, Linux, and other operating systems supporting USB communication.
- Works with standard USB ports on PCs, servers, and embedded devices.
- Can interface with custom software or scripts for watchdog signal generation.
5. Components & Accessories
Included Items:
- USB Watch Dog Board (USBWDOG3)
- USB connection cable (may vary by package)
- Documentation or quick-start guide (if provided by manufacturer)
Optional Accessories:
- ATX Watchdog Cable: Enables direct connection to PC motherboard reset or power headers for automated hardware resets.
- Mounting Hardware: Optional brackets or adhesive pads for secure installation.
- Relay Extension Cables: For connecting external circuits or devices to the relay outputs.
Connectors:
- USB Port: For power and communication.
- Relay Terminals: Two sets of relay contacts (normally open or normally closed, depending on configuration).
- ATX Header (optional): For integration with PC power/reset lines.
6. Installation & Setup
Requirements:
- Available USB port (5 V DC power supply via USB).
- Host system capable of running watchdog control software or sending periodic USB signals.
Installation Steps:
1. Connect the USBWDOG3 to the host system via the provided USB cable.
2. Install any required drivers (if applicable; many versions operate as standard USB HID devices).
3. Configure the watchdog interval using the manufacturer’s software utility or command-line tool.
4. Connect relay outputs to the target system’s reset or power control lines, or to external circuits.
5. (Optional) Attach the ATX watchdog cable to the motherboard’s power/reset headers for direct control.
6. Test the watchdog function by simulating a system hang or stopping the keep-alive signal to verify automatic reset.
Mounting Options:
- External placement near the host system.
- Panel or enclosure mounting using screws or adhesive pads.
- Cable management recommended for stable USB and relay connections.
Configuration:
- Time interval adjustable from 80 ms to 38 hours via software or firmware settings.
- Relay behavior (normally open/closed, single or dual relay activation) configurable depending on application.
7. Performance & Capabilities
- Response Time: Minimum 80 ms interval allows rapid detection of system faults.
- Maximum Timeout: Up to 38 hours for long-duration monitoring cycles.
- Relay Output Power: 3 W per channel, suitable for low-power control circuits or signal-level switching.
- Reliability: Designed for continuous 24/7 operation.
- Efficiency: USB-powered design eliminates need for external power supply.
- Limitations:
- Relay current limited to 0.25 A; not suitable for high-power loads.
- Requires host software or firmware to send periodic keep-alive signals.
- Environmental limits depend on enclosure and installation conditions.
Performance Highlights:
- Stable USB communication ensures consistent watchdog operation.
- Dual relays provide redundancy or multi-channel control.
- Long configurable timeout range supports both rapid-response and long-term monitoring applications.
8. Standards & Compliance
- USB Compliance: Conforms to USB 2.0 specifications (backward compatible with USB 1.1, forward compatible with USB 3.x).
- Electrical Safety: Designed to meet low-voltage DC operation standards (5 V USB).
- RoHS Compliance: Typically manufactured with lead-free components and materials compliant with RoHS directives.
- EMC/EMI Considerations: Designed for minimal electromagnetic interference in typical computing environments.
- Industry Standards: Suitable for integration in systems adhering to ATX, industrial automation, and embedded computing standards.
- Regulatory Compliance: Depending on manufacturer, may carry CE or FCC markings for electronic devices.
9. Additional Information
Warranty:
- Standard limited warranty (duration varies by supplier, typically 12 months).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical documentation and software utilities typically available from the manufacturer or distributor.
- Community and OEM support for integration with custom applications.
Maintenance:
- Minimal maintenance required; periodic inspection of USB and relay connections recommended.
- Ensure clean, dry environment to prevent corrosion or contact degradation.
- Firmware updates (if applicable) may be available to enhance functionality or compatibility.
Updates & Revisions:
- USBWDOG3 represents the third-generation design in the USB Watchdog series, offering improved timing precision and dual-relay capability compared to earlier models.
- Future firmware or software updates may expand compatibility with additional operating systems or provide enhanced configuration options.
### Summary
The USBWDOG3 USB Watch Dog Board (2×Relay Module) is a versatile, external watchdog controller designed to enhance system reliability through automated monitoring and reset functionality. Featuring two 0.25 A / 3 W relays, a configurable timeout range from 80 ms to 38 hours, and USB-based communication, it provides a robust solution for maintaining uptime in servers, industrial controllers, kiosks, and embedded systems. Its optional ATX watchdog cable enables direct integration with PC motherboards for hardware-level resets, while its compact, external design ensures easy installation and compatibility across diverse platforms.
Engineered for continuous operation, low power consumption, and broad configurability, the USBWDOG3 is an essential component for any application requiring autonomous system recovery and dependable watchdog control.
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