Rockwell Automation 2080-LC50 Micro830 and Micro850 Programmable Controllers User Manual - Manual (Page 223)

Rockwell Automation Publication 2080-UM002F-EN-E - December 2013 207
Quickstarts Appendix C
For this example, once the Accumulator reaches a High Preset value of 40, output
0 turns on and the HPReached flag turns on. Once the Accumulator reaches a
Low Preset value of -40, output 1 turns on and the LPReached flag turns on as
well.
Use the Programmable Limit Switch (PLS) Function
The Programmable Limit Switch function allows you to configure the High-
Speed Counter to operate as a PLS (programmable limit switch) or rotary cam
switch. The PLS is used when you need more than one pair of high and low
presets (up to 255 pairs of high and low presets are supported by the PLS).