Publication 1763-RM001C-EN-P - October 2009
Using the High-Speed Counter and Programmable Limit Switch 117
High Preset Output (HPO)
The HPO (High Preset Output) defines the state (1 = ON or 0 = OFF) of
the outputs on the controller when the high preset is reached. See Output
Mask Bits (OMB) on page 115 for more information on how to directly
turn outputs on or off based on the high preset being reached.
The high output bit pattern can be configured during initial setup, or
while the controller is operating. Use the HSL instruction or the SP bit to
load the new parameters while the controller is operating.
Low Preset Output (LPO)
The LPO (Low Preset Output) defines the state (1 = “on”, 0 = “off”) of the
outputs on the controller when the low preset is reached. See Output
Mask Bits (OMB) on page 115 for more information on how to directly
turn outputs on or off based on the low preset being reached.
The low output bit pattern can be configured during initial setup, or while
the controller is operating. Use the HSL instruction or the SP bit to load
the new parameters while the controller is operating.
Description Address Data Format Type User Program Access
HPO - High Preset Output HSC:0.HPO word (16-bit binary) control read/write
Description Address Data Format Type User Program Access
LPO - Low Preset Output HSC:0.LPO word (16-bit binary) control read/write
efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive
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