| PLS, PLC and Network Modules |
1991 Quik-Set IV UHS PLS
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DESCRIPTION
Quik-Set IV UHS Programmable Limit Switch - 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. The PLS system's position information, programs and set pint memory are
non-volatile, making it as realizable as fixed limit or proximity switches, but far more flexible.
• 1991 Manual
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