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A lighting control system incorporates communication between various system inputs and outputs related to lighting control with the use of one or more central computing devices. Lighting control systems are widely used on both indoor and outdoor lighting of commercial, industrial, and residential spaces. Lighting control systems are sometimes ...
Known for. invention of the first solid state-electronic dimmer and founder of Lutron Electronics Company. Joel Solon Spira (March 1, 1927 – April 8, 2015) was an American inventor, entrepreneur, and business magnate . He invented a version of the light- dimmer switch for use in homes around the United States and led his Lutron Electronics ...
Dimmer. A dimmer is a device connected to a light fixture and used to lower the brightness of the light. By changing the voltage waveform applied to the lamp, it is possible to lower the intensity of the light output. Although variable-voltage devices are used for various purposes, the term dimmer is generally reserved for those intended to ...
A time switch (also called a timer switch, or simply timer) is a device that operates an electric switch controlled by a timer . Intermatic introduced its first time switch in 1945, which was used for "electric signs, store window lighting, apartment hall lights, stokers, and oil and gas burners." A consumer version was added in 1952.
At that time the system consisted of a 16 channel command console, a lamp module, and an appliance module. Soon after came the wall switch module and the first X10 timer. In the 1980s, the CP-290 computer interface was released. Software for the interface runs on the Commodore 64, Apple II, Macintosh, MS-DOS, and Microsoft Windows.
A watchdog timer ( WDT, or simply a watchdog ), sometimes called a computer operating properly timer ( COP timer ), [1] is an electronic or software timer that is used to detect and recover from computer malfunctions. Watchdog timers are widely used in computers to facilitate automatic correction of temporary hardware faults, and to prevent ...
The KNX Association had 500 registered hardware and software vendor members from 45 nations as at 1 July 2021. It had partnership agreements with 100,000 installer companies in 172 countries and more than 500 registered training centres. [2] This is a royalty-free open standard and thus access to the KNX specifications is unrestricted. [3]
SCADA. v. t. e. A programmable logic controller ( PLC) or programmable controller is an industrial computer that has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, machines, robotic devices, or any activity that requires high reliability, ease of programming, and process fault diagnosis.