Allen-Bradley MicroLogix 1400 Instruction Manual page 131

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High Preset Output (HPO)
Description
HPO - High Preset Output HSC:0.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 127 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)
Description
LPO - Low Preset Output HSC:0.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 127 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.
Using the High-Speed Counter and Programmable Limit Switch
Address Data Format
word (16-bit binary) control read/write
Address Data Format
word (16-bit binary) control
Publication 1766-RM001A-EN-P - October 2008
129
Type User Program Access
Type User Program Access
read/write