Allen-Bradley MicroLogix 1000

Using High-Speed Counter Instructions
12–13
Bidirectional Counter with Reset and Hold (Pulse/direction)
Input State
H g -Speed
Input Count
(I/0)
Input
Direction
(I/1)
Input Reset
(I/2)
Input Hold
(I/3)
HSC Rung
High-Speed
Counter Action
Turning
Off-to-On
Off
Off, On, or
Turning Off
Off True Count Up
Turning
Off-to-On
On
Off, On, or
Turning Off
Off True Count Down
NA NA
Off, On, or
Turning Off
NA False Hold Count
NA NA
Off, On, or
Turning Off
On NA Hold Count
Off, On, or
Turning Off
NA
Off, On, or
Turning Off
NA NA Hold Count
NA NA Turning On NA NA Reset to 0
NA (Not Applicable)
Bidirectional Counter (Up/down count)
Input State
H g -Speed
Input Up
Count
(I/0)
Input Down
Count
(I/1)
HSC Rung
High-Speed
Counter Action
Turning
Off-to-On
Off, On, or
Turning Off
True Count Up
Off, On, or
Turning Off
Turning
Off-to-On
True Count Down
NA NA False Hold Count
Off, On, or
Turning Off
Off, On, or
Turning Off
NA Hold Count
NA (Not Applicable)
Programming
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