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Motor Controller Motor and Hoist Controllers

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Skjonberg Motor and Hoist Controllers

"Our goal at Skjonberg Controls is to design and build safe, high quality motion control equipment at affordable prices." We manufacture a full line of motion control equipment for theatrical, touring, theme park and industrial use. Our product line includes: * Manual chain hoist controls * Programmable chain hoist control * Power distribution * Load monitoring * Cabling * Electrical parts and accessories * Encoders for chain hoists, AC or DC motors In our capacity as designers of custom control equipment, any of our standard designs can be modified or expanded to meet your individual requirements. We build to order: * Variable speed control equipment for AC or DC motors with winch and yoyo mechanical assembly * Manual control packages for permanent installation * Programmable control packages for permanent installation * Servo control systems for touring or for permanent installation

Dimmers and Distro - Dimmers are devices used to vary the brightness of a light or stage light and are usually controlled remotely by a lighting console or controller by way of a protocol that is usually DMX. A Distro is . Used . a device that distributes power to many devices.. Used . ...

Towers - Towers are truss like structures used to support roofs and other trussing systems.. Used . . Used . ...

Lens - A lens is a device for either concentrating or diverging light, usually formed from a piece of shaped glass. Analogous devices used with other types of electromagnetic radiation are also called lense. Used . s: for instance, a microwave lens can be made from paraffin wax.

The earliest records of lenses date to Ancient Greece, with Aristophanes' play The Clouds (424 BC) mentioning a b. Used . urning-glass (a convex lens used to focus the sun's rays to produce fire). The writings of Pliny the Elder (23-79) also show that burning-glasses were known to the Roman Empire, and mentions what is possibly t

Digital Projection - A digital projection display system is a computerized display that projects an image, often a logo, on a screen, building or other architectural features like the court in a sports arena. Such devices. Used . are commonly used in presentations or as promotional devices. These displays use a very bright light to project the image, and can generally correct any curves, blurriness, and other inconsi. Used . stencies in the image....

Intelligent Fixtures - Intelligent Fixtures or Moving Lights were originally implemented in 1972, but the first computer-controlled stage lighting fixtures began to gain widespread acceptance in the concert industry in the . Used . early 1980's. As the digital age progressed, the cost of these fixtures was reduced and they slowly started being used in more 'traditional' theatrical environments. Intelligent fixtures are . Used . currently used in almost all major theatrical productions.

Usually relying on compact arc lamps as a light source, these fixtures generally use stepper motors connected to varying internal devices...

Motor and Hoist Controllers

Any stage or theatrical production has some technical aspects which need to be operated by controllers. One of the most common of these is the theatrical rigging system or fly system, which refers to a system that enables a stage crew to fly components such as curtains, lights, scenery, stage effects, sound systems and even people. Lifting or lowering is performed by using controllers of a hoist which can be manually, electrically or pneumatically driven. Electric hoists are managed by the fly crew using a motor controller or a hoist controller. Manufacturers of these hoists as well as their controllers comply with specific industry standards for safety. Hoist controllers vary by the type of motor control they provide. A hoist may have a low voltage, programmable, variable speed drive or direct control motor controller. Controllers for hoists also vary by the type of lifting medium supported. A chain hoist control system, for example, is a device for controlling hoists that use a chain as the lifting medium. Some manufacturers offer hoists that do not have internal electrics or control for external control integration. This allows buyers or stage production venues to build the hoists into their own control system. Hoists and motor controllers are used in the touring, stage and theatre industry as important aspects of stagecraft. Use of industry-standard hoists and controllers are covered building, occupational safety, and fire codes for theaters and similar venues.