Allen-Bradley Micro830 Manual page 156

Chapter 8 Use the High-Speed Counter and Programmable Limit Switch

Blank cells = don't care, = rising edge,
HSC Mode 3 Examples
Input Terminals Embedded Input 0 Embedded Input 1 Embedded Input 2 Embedded Input 3 CE Bit
Function Count
Example 1 
Example 2 
Example3
Example 4
Example 5 on
(1)
Example 6

Blank cells = don't care, = rising edge,
142

= falling edge
TIP
HSC Mode 3 – Counter with External Direction, Reset, and Hold
Direction Reset
off
(0)
on
(1)

off
(0)


= falling edge
TIP
Inputs 0...11 are available for use as inputs to other functions
regardless of the HSC being used.
Hold
on  off off
(1) (0) (0)

on off off
(1) (0) (0)

on off on
(1) (0) (1)

on off
(1) (0)

on off
(1) (0)
Inputs 0...11 are available for use as inputs to other functions
regardless of the HSC being used.
Rockwell Automation Publication 2080-UM002K-EN-E - March 2019
Comments
on (1) HSC Accumulator + 1 count
on (1) HSC Accumulator - 1 count
Hold accumulator value
off (0) Hold accumulator value
Hold accumulator value
Clear accumulator (=0)