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A lighting control console (also called a lightboard, lighting board, or lighting desk) is an electronic device used in theatrical lighting design to control multiple stage lights at once. They are used throughout the entertainment industry and are normally placed at the front of house (FOH) position or in a control booth .
A PLC is an industrial microprocessor-based controller with programmable memory used to store program instructions and various functions. [21] It consists of: A processor unit (CPU) which interprets inputs, executes the control program stored in memory and sends output signals, A power supply unit which converts AC voltage to DC,
RV-C is based on Controller Area Network, and operates at a bus speed of 250 kbit/s.Data is contained in packets consisting of a header and eight data bytes. The header contains an 8-bit Source Address and a 17-bit Parameter Group Number, as well as a few additional bits.
As part of the new efforts, DOE will install a cool roof, whenever cost-effective over the lifetime of the roof, during construction of a new roof or the replacement of an old one at a DOE facility. In October 2013, the United States Department of Energy ranked Cool Roofs as a 53 out of 100 (0 to 100 weighted average) for a cost-effective ...
Roof lanterns of masonry and glass were used in Renaissance architecture, such as in principal cathedrals. In 16th-century France and Italy, they began usage in orangeries, an early form of a conservatory structure with tall windows and a glazed roof section for wintering citrus trees and other plants in non-temperate climates.
In certain areas, some aviation regulators mandate the installation, operation, color, and/or status notification of obstruction lighting. For maximum visibility and collision-avoidance, these lighting systems commonly employ one or more high-intensity strobe or LED devices which can be seen by pilots from many miles away from the obstruction.