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Rockwell Automation Allen-Bradley Micro830 User Manual

Rockwell Automation Allen-Bradley Micro830
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Rockwell Automation Publication 2080-UM002N-EN-E - November 2022 205
Chapter 10 Use the High-Speed Counter and Programmable Limit Switch
Blank cells = don’t care, = rising edge, = falling edge
HSC Mode 2 – Counter with External Direction
Blank cells = don’t care, = rising edge, = falling edge
HSC Mode 3 – Counter with External Direction, Reset, and Hold
Blank cells = don’t care, = rising edge, = falling edge
HSC Mode 4 – Two Input Counter (up and down)
Blank cells = don’t care, = rising edge, = falling edge
Inputs 0…11 are available for use as inputs to other functions regardless of the HSC being used.
Table 45 - HSC Mode 2 Examples
Input Terminals Embedded Input 0 Embedded Input 1 Embedded Input 2 Embedded Input 3 CE Bit Comments
Function Count Direction Not Used Not Used
Example 1
off
(0)
on (1) HSC Accumulator + 1 count
Example 2
on (1) on (1) HSC Accumulator - 1 count
Example3 off (0) Hold accumulator value
Inputs 0…11 are available for use as inputs to other functions regardless of the HSC being used.
Table 46 - HSC Mode 3 Examples
Input Terminals Embedded Input 0 Embedded Input 1 Embedded Input 2 Embedded Input 3 CE Bit Comments
Function Count Direction Reset Hold
Example 1
off (0) on (1) off (0) off (0) on (1) HSC Accumulator + 1 count
Example 2
on (1) on (1) off (0) off (0) on (1) HSC Accumulator - 1 count
Example3 on (1) off (0)
on
(1)
Hold accumulator value
Example 4 on (1) off (0) off (0) Hold accumulator value
Example 5 on (1)
off
(0)
on (1) off (0) Hold accumulator value
Example 6
Clear accumulator (=0)
Inputs 0…11 are available for use as inputs to other functions regardless of the HSC being used.
Table 47 - HSC Mode 4 Examples
Input Terminals Embedded Input 0 Embedded Input 1 Embedded Input 2 Embedded Input 3 CE Bit Comments
Function Count Up Count Down Not Used Not Used
Example 1 on (1)
off
(0)
on (1) HSC Accumulator + 1 count
Example 2 on (1)
off
(0)
on (1) HSC Accumulator - 1 count
Example3 off (0) Hold accumulator value
Inputs 0…11 are available for use as inputs to other functions regardless of the HSC being used.

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Rockwell Automation Allen-Bradley Micro830 Specifications

General IconGeneral
BrandRockwell Automation
ModelAllen-Bradley Micro830
CategoryController
LanguageEnglish

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