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- Dual Relay Outputs: Equipped with two relays rated at 0.25 A / 3 W, allowing control of power or reset signals for connected systems.
- Configurable Time Interval: Adjustable watchdog timer interval ranging from 80 milliseconds up to 38 hours, enabling precise tuning for various system response requirements.
- USB Interface: Operates via a standard USB connection, providing both communication and power. The USB interface allows easy integration with host systems without requiring additional power supplies.
- Automatic System Recovery: Monitors system activity through USB communication; if the host fails to respond within the configured interval, the board triggers a relay action to reset or restart the system.
- ATX Watchdog Cable Compatibility: Supports an optional ATX watchdog cable, enabling direct connection to a PC’s ATX power switch or reset header for automated hardware-level resets.
- Slot Adapter Mounting: Includes a slot adapter for easy installation into a standard PC expansion slot, ensuring secure mechanical mounting and convenient access to connectors.
- Compact and Efficient Design: Small form factor suitable for embedded, industrial, and server applications where space efficiency and reliability are essential.
- Flexible Configuration: Time intervals and operational modes can be configured via software or firmware utilities, allowing adaptation to different system architectures.
- Fail-Safe Operation: Designed to ensure that in the event of host communication loss, the system can autonomously recover without manual intervention.
- Configurable Time Interval: Adjustable watchdog timer interval ranging from 80 milliseconds up to 38 hours, enabling precise tuning for various system response requirements.
- USB Interface: Operates via a standard USB connection, providing both communication and power. The USB interface allows easy integration with host systems without requiring additional power supplies.
- Automatic System Recovery: Monitors system activity through USB communication; if the host fails to respond within the configured interval, the board triggers a relay action to reset or restart the system.
- ATX Watchdog Cable Compatibility: Supports an optional ATX watchdog cable, enabling direct connection to a PC’s ATX power switch or reset header for automated hardware-level resets.
- Slot Adapter Mounting: Includes a slot adapter for easy installation into a standard PC expansion slot, ensuring secure mechanical mounting and convenient access to connectors.
- Compact and Efficient Design: Small form factor suitable for embedded, industrial, and server applications where space efficiency and reliability are essential.
- Flexible Configuration: Time intervals and operational modes can be configured via software or firmware utilities, allowing adaptation to different system architectures.
- Fail-Safe Operation: Designed to ensure that in the event of host communication loss, the system can autonomously recover without manual intervention.
1. Product Overview
Product Name: USB Watch Dog Board 2*Relay Slot Mount
Model: USBWDOG2
Series: USB Watchdog Board Series
Article Number: USBWDOG2
Manufacturer: [Manufacturer not specified in source content; typically supplied by the vendor or OEM of the USB Watch Dog series]
The USBWDOG2 is a compact, USB-controlled watchdog board designed to monitor system activity and automatically reset or power-cycle a computer or embedded system in the event of a system freeze or software failure. It integrates two independent relay outputs and is engineered for reliable operation in industrial, automation, and server environments where continuous uptime and autonomous recovery are critical. The board is designed for slot mounting, providing a convenient and secure installation option within PC chassis or control enclosures.
2. Key Features
- Dual Relay Outputs: Equipped with two relays rated at 0.25 A / 3 W, allowing control of power or reset signals for connected systems.
- Configurable Time Interval: Adjustable watchdog timer interval ranging from 80 milliseconds up to 38 hours, enabling precise tuning for various system response requirements.
- USB Interface: Operates via a standard USB connection, providing both communication and power. The USB interface allows easy integration with host systems without requiring additional power supplies.
- Automatic System Recovery: Monitors system activity through USB communication; if the host fails to respond within the configured interval, the board triggers a relay action to reset or restart the system.
- ATX Watchdog Cable Compatibility: Supports an optional ATX watchdog cable, enabling direct connection to a PC’s ATX power switch or reset header for automated hardware-level resets.
- Slot Adapter Mounting: Includes a slot adapter for easy installation into a standard PC expansion slot, ensuring secure mechanical mounting and convenient access to connectors.
- Compact and Efficient Design: Small form factor suitable for embedded, industrial, and server applications where space efficiency and reliability are essential.
- Flexible Configuration: Time intervals and operational modes can be configured via software or firmware utilities, allowing adaptation to different system architectures.
- Fail-Safe Operation: Designed to ensure that in the event of host communication loss, the system can autonomously recover without manual intervention.
3. Technical Specifications
- Model: USBWDOG2
- Relay Outputs: 2 independent relays
- Relay Rating: 0.25 A (maximum current), 3 W (maximum power)
- Time Interval Range: Adjustable from 80 milliseconds (0.08 s) to 38 hours
- Interface: USB 2.0 (compatible with USB 1.1 and USB 3.x ports)
- Power Supply: Powered directly from USB (5 V DC nominal)
- Mounting Type: Slot mount (standard PC expansion slot adapter)
- Optional Cable: ATX watchdog cable (for power/reset control)
- Operating Temperature Range: [Not specified; typically 0°C to +50°C for similar devices]
- Storage Temperature Range: [Not specified; typically -20°C to +70°C]
- Dimensions: [Exact dimensions not provided; typically compact PCB form factor suitable for slot mounting]
- Weight: [Not specified; estimated <100 g including slot bracket]
- Material: PCB with metal slot bracket and relay components
- Indicators: [Not specified; typically includes LED indicators for power and relay status]
- Communication Protocol: USB HID or virtual COM interface (depending on firmware implementation)
4. Functionality
The USBWDOG2 functions as a hardware watchdog timer that continuously monitors the operational status of a host system via USB communication. When the host system is functioning correctly, it periodically sends a “keep-alive” signal to the watchdog board within the configured time interval. If the watchdog does not receive this signal within the specified period, it interprets this as a system failure or freeze and activates one or both of its relays to perform a corrective action—typically a hardware reset or power cycle.
Use Cases and Applications:
- Industrial Automation: Ensures continuous operation of control PCs and embedded controllers by automatically recovering from software hangs.
- Server and Network Systems: Provides autonomous recovery for headless servers or remote systems where manual intervention is impractical.
- Embedded Systems: Integrates into single-board computers or IoT gateways to maintain uptime in unattended installations.
- Digital Signage and Kiosk Systems: Prevents downtime in public-facing systems by automatically rebooting in case of software failure.
- Data Acquisition and Monitoring Systems: Maintains reliability in long-term monitoring setups where system stability is critical.
Compatibility:
- Compatible with most operating systems supporting USB communication (Windows, Linux, macOS, and embedded OS variants).
- Works with ATX-based PC motherboards via optional ATX watchdog cable for direct hardware reset control.
- Can be integrated into custom applications using standard USB communication protocols or vendor-supplied software utilities.
5. Components & Accessories
Included Items:
- USB Watch Dog Board (USBWDOG2)
- Slot adapter bracket for mounting in a standard PC expansion slot
Optional Accessories:
- ATX Watchdog Cable: Enables direct connection to motherboard power/reset headers for automated hardware resets.
- USB Cable: Standard USB-A to USB-B or USB-A to micro-USB cable (depending on connector type on board).
- Software Utility: Configuration and monitoring software (if provided by manufacturer) for setting time intervals and relay behavior.
Connectors:
- USB Port: For power and communication with host system.
- Relay Terminals: Two output terminals for connecting controlled circuits (e.g., reset switch, power relay, or external control line).
- ATX Header (optional): For connecting to PC motherboard reset/power pins.
6. Installation & Setup
Requirements:
- Available USB port on host system (5 V DC supply, 500 mA typical current capacity).
- Compatible operating system with USB driver support.
- Optional ATX cable connection if hardware reset functionality is required.
Mounting Options:
- The board is designed for slot mounting using the included adapter bracket. It can be installed into a standard PC chassis expansion slot, providing mechanical stability and easy access to connectors.
- Alternatively, it can be mounted within an enclosure or control cabinet using custom brackets or adhesive mounts if slot installation is not required.
Configuration:
- Connect the USBWDOG2 to the host system via USB.
- Install any required drivers or configuration utilities (if applicable).
- Set the desired watchdog interval (80 ms to 38 h) using the provided software or command interface.
- Connect relay outputs to the target control lines (e.g., reset switch, power relay).
- Optionally, connect the ATX watchdog cable to the motherboard’s power/reset header.
- Verify operation by simulating a system hang and confirming that the board triggers the expected reset or power cycle.
7. Performance & Capabilities
- Response Time: Minimum interval of 80 ms allows rapid detection of system failures.
- Maximum Interval: Up to 38 hours, suitable for systems requiring long monitoring cycles.
- Relay Control: Two independent relays provide flexibility for controlling multiple circuits or implementing staged recovery actions.
- Power Efficiency: Low power consumption, powered entirely from USB without external supply.
- Reliability: Designed for continuous operation; relays rated for low-current control applications (0.25 A / 3 W).
- Limitations:
- Relay current capacity limited to 0.25 A; not suitable for high-power switching.
- Requires host software or driver to send periodic keep-alive signals.
- Environmental specifications (temperature, humidity) depend on installation conditions and enclosure protection.
Operational Modes:
- Normal Mode: Host system periodically communicates with the watchdog to reset the timer.
- Timeout Mode: If communication stops, the watchdog triggers a relay pulse or maintains relay activation until reset.
- Manual Reset Mode: Relays can be manually controlled via software for testing or custom automation.
8. Standards & Compliance
- USB Compliance: Conforms to USB 2.0 interface standards; backward compatible with USB 1.1 and forward compatible with USB 3.x ports.
- Electrical Safety: Designed to meet low-voltage DC operation standards (5 V USB power).
- EMC Compliance: [Not specified; typically conforms to CE/FCC requirements for USB peripheral devices.]
- RoHS Compliance: [Assumed compliant; most modern electronic assemblies meet RoHS environmental standards.]
- Industry Standards: Compatible with ATX motherboard interface specifications for power/reset control.
9. Additional Information
Warranty:
- Standard manufacturer warranty applies (typically 12 months, depending on supplier).
Support:
- Technical documentation, configuration guides, and software utilities are typically available from the manufacturer or distributor.
- Firmware updates may be provided to enhance compatibility or add new features.
Maintenance:
- Minimal maintenance required; periodic inspection of relay contacts and connectors recommended for long-term reliability.
- Ensure USB connection remains secure and free from dust or corrosion.
Updates & Upgrades:
- Firmware or software updates may be available to extend functionality or improve performance.
- Optional accessories (e.g., ATX cable) can be added post-installation to expand capabilities.
Summary
The USBWDOG2 USB Watch Dog Board 2*Relay Slot Mount is a versatile, USB-powered watchdog solution designed to enhance system reliability by providing automatic recovery from software or hardware failures. With dual 0.25 A / 3 W relays, a wide configurable timeout range from 80 ms to 38 hours, and optional ATX integration, it offers a robust and flexible platform for maintaining uptime in industrial, embedded, and server applications. Its slot-mount design ensures easy installation, while USB connectivity simplifies integration and power management. The USBWDOG2 is an essential component for mission-critical systems requiring autonomous fault recovery and continuous operation.
Product Name: USB Watch Dog Board 2*Relay Slot Mount
Model: USBWDOG2
Series: USB Watchdog Board Series
Article Number: USBWDOG2
Manufacturer: [Manufacturer not specified in source content; typically supplied by the vendor or OEM of the USB Watch Dog series]
The USBWDOG2 is a compact, USB-controlled watchdog board designed to monitor system activity and automatically reset or power-cycle a computer or embedded system in the event of a system freeze or software failure. It integrates two independent relay outputs and is engineered for reliable operation in industrial, automation, and server environments where continuous uptime and autonomous recovery are critical. The board is designed for slot mounting, providing a convenient and secure installation option within PC chassis or control enclosures.
2. Key Features
- Dual Relay Outputs: Equipped with two relays rated at 0.25 A / 3 W, allowing control of power or reset signals for connected systems.
- Configurable Time Interval: Adjustable watchdog timer interval ranging from 80 milliseconds up to 38 hours, enabling precise tuning for various system response requirements.
- USB Interface: Operates via a standard USB connection, providing both communication and power. The USB interface allows easy integration with host systems without requiring additional power supplies.
- Automatic System Recovery: Monitors system activity through USB communication; if the host fails to respond within the configured interval, the board triggers a relay action to reset or restart the system.
- ATX Watchdog Cable Compatibility: Supports an optional ATX watchdog cable, enabling direct connection to a PC’s ATX power switch or reset header for automated hardware-level resets.
- Slot Adapter Mounting: Includes a slot adapter for easy installation into a standard PC expansion slot, ensuring secure mechanical mounting and convenient access to connectors.
- Compact and Efficient Design: Small form factor suitable for embedded, industrial, and server applications where space efficiency and reliability are essential.
- Flexible Configuration: Time intervals and operational modes can be configured via software or firmware utilities, allowing adaptation to different system architectures.
- Fail-Safe Operation: Designed to ensure that in the event of host communication loss, the system can autonomously recover without manual intervention.
3. Technical Specifications
- Model: USBWDOG2
- Relay Outputs: 2 independent relays
- Relay Rating: 0.25 A (maximum current), 3 W (maximum power)
- Time Interval Range: Adjustable from 80 milliseconds (0.08 s) to 38 hours
- Interface: USB 2.0 (compatible with USB 1.1 and USB 3.x ports)
- Power Supply: Powered directly from USB (5 V DC nominal)
- Mounting Type: Slot mount (standard PC expansion slot adapter)
- Optional Cable: ATX watchdog cable (for power/reset control)
- Operating Temperature Range: [Not specified; typically 0°C to +50°C for similar devices]
- Storage Temperature Range: [Not specified; typically -20°C to +70°C]
- Dimensions: [Exact dimensions not provided; typically compact PCB form factor suitable for slot mounting]
- Weight: [Not specified; estimated <100 g including slot bracket]
- Material: PCB with metal slot bracket and relay components
- Indicators: [Not specified; typically includes LED indicators for power and relay status]
- Communication Protocol: USB HID or virtual COM interface (depending on firmware implementation)
4. Functionality
The USBWDOG2 functions as a hardware watchdog timer that continuously monitors the operational status of a host system via USB communication. When the host system is functioning correctly, it periodically sends a “keep-alive” signal to the watchdog board within the configured time interval. If the watchdog does not receive this signal within the specified period, it interprets this as a system failure or freeze and activates one or both of its relays to perform a corrective action—typically a hardware reset or power cycle.
Use Cases and Applications:
- Industrial Automation: Ensures continuous operation of control PCs and embedded controllers by automatically recovering from software hangs.
- Server and Network Systems: Provides autonomous recovery for headless servers or remote systems where manual intervention is impractical.
- Embedded Systems: Integrates into single-board computers or IoT gateways to maintain uptime in unattended installations.
- Digital Signage and Kiosk Systems: Prevents downtime in public-facing systems by automatically rebooting in case of software failure.
- Data Acquisition and Monitoring Systems: Maintains reliability in long-term monitoring setups where system stability is critical.
Compatibility:
- Compatible with most operating systems supporting USB communication (Windows, Linux, macOS, and embedded OS variants).
- Works with ATX-based PC motherboards via optional ATX watchdog cable for direct hardware reset control.
- Can be integrated into custom applications using standard USB communication protocols or vendor-supplied software utilities.
5. Components & Accessories
Included Items:
- USB Watch Dog Board (USBWDOG2)
- Slot adapter bracket for mounting in a standard PC expansion slot
Optional Accessories:
- ATX Watchdog Cable: Enables direct connection to motherboard power/reset headers for automated hardware resets.
- USB Cable: Standard USB-A to USB-B or USB-A to micro-USB cable (depending on connector type on board).
- Software Utility: Configuration and monitoring software (if provided by manufacturer) for setting time intervals and relay behavior.
Connectors:
- USB Port: For power and communication with host system.
- Relay Terminals: Two output terminals for connecting controlled circuits (e.g., reset switch, power relay, or external control line).
- ATX Header (optional): For connecting to PC motherboard reset/power pins.
6. Installation & Setup
Requirements:
- Available USB port on host system (5 V DC supply, 500 mA typical current capacity).
- Compatible operating system with USB driver support.
- Optional ATX cable connection if hardware reset functionality is required.
Mounting Options:
- The board is designed for slot mounting using the included adapter bracket. It can be installed into a standard PC chassis expansion slot, providing mechanical stability and easy access to connectors.
- Alternatively, it can be mounted within an enclosure or control cabinet using custom brackets or adhesive mounts if slot installation is not required.
Configuration:
- Connect the USBWDOG2 to the host system via USB.
- Install any required drivers or configuration utilities (if applicable).
- Set the desired watchdog interval (80 ms to 38 h) using the provided software or command interface.
- Connect relay outputs to the target control lines (e.g., reset switch, power relay).
- Optionally, connect the ATX watchdog cable to the motherboard’s power/reset header.
- Verify operation by simulating a system hang and confirming that the board triggers the expected reset or power cycle.
7. Performance & Capabilities
- Response Time: Minimum interval of 80 ms allows rapid detection of system failures.
- Maximum Interval: Up to 38 hours, suitable for systems requiring long monitoring cycles.
- Relay Control: Two independent relays provide flexibility for controlling multiple circuits or implementing staged recovery actions.
- Power Efficiency: Low power consumption, powered entirely from USB without external supply.
- Reliability: Designed for continuous operation; relays rated for low-current control applications (0.25 A / 3 W).
- Limitations:
- Relay current capacity limited to 0.25 A; not suitable for high-power switching.
- Requires host software or driver to send periodic keep-alive signals.
- Environmental specifications (temperature, humidity) depend on installation conditions and enclosure protection.
Operational Modes:
- Normal Mode: Host system periodically communicates with the watchdog to reset the timer.
- Timeout Mode: If communication stops, the watchdog triggers a relay pulse or maintains relay activation until reset.
- Manual Reset Mode: Relays can be manually controlled via software for testing or custom automation.
8. Standards & Compliance
- USB Compliance: Conforms to USB 2.0 interface standards; backward compatible with USB 1.1 and forward compatible with USB 3.x ports.
- Electrical Safety: Designed to meet low-voltage DC operation standards (5 V USB power).
- EMC Compliance: [Not specified; typically conforms to CE/FCC requirements for USB peripheral devices.]
- RoHS Compliance: [Assumed compliant; most modern electronic assemblies meet RoHS environmental standards.]
- Industry Standards: Compatible with ATX motherboard interface specifications for power/reset control.
9. Additional Information
Warranty:
- Standard manufacturer warranty applies (typically 12 months, depending on supplier).
Support:
- Technical documentation, configuration guides, and software utilities are typically available from the manufacturer or distributor.
- Firmware updates may be provided to enhance compatibility or add new features.
Maintenance:
- Minimal maintenance required; periodic inspection of relay contacts and connectors recommended for long-term reliability.
- Ensure USB connection remains secure and free from dust or corrosion.
Updates & Upgrades:
- Firmware or software updates may be available to extend functionality or improve performance.
- Optional accessories (e.g., ATX cable) can be added post-installation to expand capabilities.
Summary
The USBWDOG2 USB Watch Dog Board 2*Relay Slot Mount is a versatile, USB-powered watchdog solution designed to enhance system reliability by providing automatic recovery from software or hardware failures. With dual 0.25 A / 3 W relays, a wide configurable timeout range from 80 ms to 38 hours, and optional ATX integration, it offers a robust and flexible platform for maintaining uptime in industrial, embedded, and server applications. Its slot-mount design ensures easy installation, while USB connectivity simplifies integration and power management. The USBWDOG2 is an essential component for mission-critical systems requiring autonomous fault recovery and continuous operation.
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