PC/104-Plus Watchdog Timer Board Stands Guard Over Systems

In PC/104-based embedded systems, the P104-WDG-CSMA watchdog board monitors the operation of application programs as well as the operating system and will initiate a system reset in case of lockup. In addition, the board monitors and controls a variety of system hardware parameters such as temperature, voltage, fan speed, humidity, and more. Applications include kiosks, industrial automation, military/mission-critical systems, asset management and tracking, retail, medical, embedded OEM, temperature measurement and many others which require self-reliant embedded systems. Features include one general-purpose optically isolated input, two isolated digital outputs to control/switch external events, two non-isolated digital outputs, two general-purpose A/D inputs, and a security light sensor that detects when the darkened interior of an enclosure is opened. The P104-WDG-CSMA supports most operating systems and includes a free software package compatible with DOS, Linux, and Windows XP/Vista. This package contains sample programs and C source code for DOS as well as Visual Basic, Delphi, and Visual C++ for Windows. Also incorporated is a graphical setup program in Windows. Linux support includes installation files and basic samples for programming from user level via an open-source kernel driver. Third-party support includes a Windows standard DLL interface usable from the most popular application programs, and includes example LabVIEW VIs. Embedded OS support includes Windows XPe and CE. Pricing starts at $149 each for an economy version and ranges to $249 each with all options. The board is available now with delivery from stock to two weeks. ACCES I/O PRODUCTS INC., San Diego, CA. (800) 326-1649.