Operator Interfaces, Switches & Relays


WatchDog pro - WDp monitoring and recording system

August 2011 Operator Interfaces, Switches & Relays

WatchDog pro is a modular, industry compliant monitoring system that combines classical monitoring and time-related functions with the communication potential of fieldbuses, SMS and e-mail. The central control unit makes the system intelligent, so that sophisticated monitoring and automation functions can also be implemented.

As the problem solver for stationary and mobile applications in the mechanical engineering field, as well as for industrial and building systems, WatchDog pro combines the flexibility of SPC with a robust monitoring system for industrial applications. Thanks to the withstand voltage, clearances, creepage distances and rated surge voltage, it can perform under the harshest industrial conditions. Its modular design brings end-to-end advantages from planning through power-up to plant expansion.

The system is above the equipment class to which classical time and monitoring relays belong. The monitoring functions for current, voltage, phase sequence, phase failure, active power and temperature have been combined into an integrated, modular scheme with system application in mind.

An integral component of the central control unit is the datalogger. Supported by WatchDog pro, plant and system data can be logged on a memory card and used for high-speed evaluation. The interfaces (fieldbuses, web server, SMS) allow simple remote maintenance as well as integration into a more comprehensive process control system.

Typical applications are found in areas of water supply and waste water disposal, power distribution as well as heating, ventilation and air conditioning. The modular system design and industry compliance make it suitable for monitoring and recording on small and medium-sized machines and plant as well other uses in the process industry.

For more information contact Edwin Brown, Vepac Electronics, +27 (0)11 453 1910, edwin@vepac.co.za, www.vepac.co.za



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