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Some examples of actions that can be achieved without a hub or controller would be: timed shutoff of a bathroom fan (timer plug-in module or a switch with timer feature built-in), lights turning on or off based on a photocell's sensing of sunlight (I/O plug-in module), turning on one set of lights with a single tap of the switch and turning on ...
Together with BSR a partnership was formed, with the name X10 Ltd. 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.
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.
Leviton was founded in 1906 by Russian immigrants Evser Leviton and his son Isidor Leviton when they began manufacturing brass mantle tips for natural gas lights in Manhattan's Lower East Side. [ 2 ] [ 3 ] [ 4 ] In 1910, Isidor designed a screw-in lampholder for the newly invented electric light bulb and within ten years the lampholders were ...
Ladder logic has evolved into a programming language that represents a program by a graphical diagram based on the circuit diagrams of relay logic hardware. Ladder logic is used to develop software for programmable logic controllers (PLCs) used in industrial control applications.
Two light switches in one box. The switch on the right is a dimmer switch. The switch box is covered by a decorative plate. The first light switch employing "quick-break technology" was invented by John Henry Holmes in 1884 in the Shieldfield district of Newcastle upon Tyne. [1]
IEC 61131-3 is the third part (of 10) of the international standard IEC 61131 for programmable logic controllers.It was first published in December 1993 [1] by the IEC; the current (third) edition was published in February 2013.
The 555 timer IC is an integrated circuit used in a variety of timer, ... timers, missing pulse detection, bounce-free switches, touch switches, frequency dividers ...
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