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Gemco Resolver Based PLS

1771 UHS Programmable Limit Switch
	The Series 1771 Programmable Limit Switch (PLS) is a resolver-based unit that incorporates Allen-Bradley technology and is completely compatible with the A-B Series 1771 I/O chassis. The Gemco 1771-PLS Series cards are internally powered from the PLC backplane, eliminating the need for an external power supply. The resolver input provides 14 bit (16,384 count) resolution and field programmable scale factor. There are two models available, the 1771 PLS-B1 and the 1771 PLS-C1. Can be used with our Series 1986 Resolver Assembly.
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1771 Brochure 1771 Manual
1991 Quik-Set IV UHS PLS
	The Series 1991 PLS is an ultra high-speed programmable limit switch designed to provide set point control in high-speed machine applications. Its hardware driven logic circuits operate at a throughput time of 10 microseconds (.00001 seconds) on the first 16 output circuits. This allows one count accuracy on systems with 3600 counts per revolution scale factor at speeds over 1600 RPM. Speed compensation software allows independent rates of advance or retard on the leading and trailing edge of a programmed set point. This allows full compensation for both the on and off response time of the machine function being manipulated for precise control of its location and duration within the machine cycle. Operation programming can be done through its keypad or remotely via RS232 or RS485 from a PLC, PC or any computer device with two-way serial communications capability.
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1991 PLS Manual
1995A Micro-Set PLS
	The Series 1995A PLS was designed for use in rotary application. It incorporates many features for safe, efficient operation. The completely self-contained unit can operate up to 30 independent outputs (six standard) based on the rotary position of the resolver. It offers an on-line "fault check" that provide an automatic, in process mechanism to verify that all major programmable limit switch functions are operating properly, The "fault check" output can be energized by activating the fault-check enable input. The output is a mechanical relay that is energized during normal operation, having 1 N.O. and 1 N.C. contact. Can be used with our Series 1986 Resolver Assembly.
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1995A Brochure 1995A Manual
1995B Micro-Set PLS with Brake Monitor
	The Series 1995B Micro-Set PLS was designed for use in the mechanical press industry. It incorporates many features for safe, efficient press automation. This completely self-contained unit can turn up to 30 independent outputs on or off based on the rotary position of the press crank. On-line brake monitoring checks the stopping time of the press against a customer-selected preset stopping time. It can also be used to check the stopping distance at any point in the stroke. A dedicated mechanical SPDT relay remains energized when stopping time is within tolerance. Once exceeded, the mechanical relay de-energizes to initiate a stoppage or warning signal. Can be used with our Series 1986 Resolver Assembly.
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1995B Brochure 1995B Manual
2500 High Speed PLS
	The Series 2500 PLS is a high-speed resolver based Programmable Limit Switch that monitors rotary machine position and provides discrete limit switch outputs. These outputs are updated at a much faster rate than can be accomplished using any conventional PLC. The 2500 PLS uses a unique easy to understand programming sequence. The traditional number buttons have been replaced with a rotary knob and the main controller has a 2 x 24 vacuum fluorescent display along with four push-button keys for programming.
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2500 Brochure 2500 Manual
7500 UHS Programmable Limit Switch
	The Series 7500 UHS is - along with our 1771-B1 - the fastest PLS in the market place with its 5 microsecond scan times. This speed, along with the optional ControlNet communication abilities, make the 7500 an ideal candidate for high speed converting, nonwovens, web and packaging applications or anywhere that sophisticated I/O control and registration is required. The 7500's 16 inputs and 32 outputs with output grouping capabilities make even the most complex operation easy for engineers and operators alike. With either incremental encoder or resolver input, the 7500 UHS is ideal for any application - even those with no 1:1 machine-to-product ratio.
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7500 Brochure 7500 Ethernet Manual 7500 Manual