Watchdog Boards

Watchdog Boards

The WDT-01/WDT-02 are watchdog card that provides watchdog timer, temperature monitor and power monitor functions. It also provides many signals and mechanism such as relay control, reset signal, power-good signal that allow the user to control their system as soon as the errors are occurred. There are also many signals, such as IRQ, I/O status RS-232, LED, Buzzer, will tell the user or operator that some errors are occurred. Once the WDT-01 has been power on, it will monitor the power and the temperature of PC automatically. After the software enable the watchdog timer, the WDT-01 will monitor the operations of software and hardware in the most inexpensive cost with the excellent protections. The WDT-02 is an economical version of WDT-01.Refer to the following comparison table. 

 

It's a fact that the PC hardware and software may fail. To prevent the failure,many different solutions are proposed. However, none of these solutions offer a 100% assurance. Since it's hard to prevent the failure, to detect the failure becomes more and more important. The WDT-03 is used to detect the failure of the software and hardware. It can be used to reduce the risk of PC failure. The WDT-03 is useful even for those systems with built-in watchdog circuit.

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  1. Daughter Board for WDT-03

    Daughter Board for WDT-03

    ● 3-channel of digital input terminal
    ● 3-channel of relay output
    ● Connects directly to WDT-03 (Only the versionsthat come out after v5.2, including v5.2   supportDB-3R)
    ● Relay output of specifications:
    Channels : 3 (Form "A", Normal Open)
    Max. Switching voltage: 220VDC, 250VAC
    Max. Switching current: 2A
    Max. Carrying current: 2A
    Surge Strength: 1,500V
    Electrical endurance: Typical 500,000 operation at 30VDC / 1A; Typical 100,000 operation at 125VAC / 0.5A
    Relay on time (typical) : 6ms
    Relay off time (typical) : 6ms
    ● Pin to Pin screw terminal for D-Sub (From the CN2 of WDT-03)
    ● Pitch: 5.08 m/m
    ● Dimension: 103 x 86mm

     

  2. Intelligent Watchdog Timer card

    Intelligent Watchdog Timer card

    ● Don't have to modify the original program
    ● Can be used in ISA bus, PCI bus & any system with RS-232 interface
    ● Harsh environment detection & warning before system crash
    ● Cost Effective Solution

     

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