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LK3U PLC High-speed counter instructions


LK3U PLC General parameters

LK3U PLC-Communication port pin definition

LK3U PLC Component range

LK3U PLC Supported instructions

LK3U PLC Special relay M function description

LK3U PLC Special register D function description

LK3U PLC High-speed counter instructions

LK3U PLC High-speed counter instructions

LK3U PLC Communication port

LK3U PLC High speed output

LK3U PLC Analog read and write instructions

LK3U PLC CAN function

LK3U PLC PID function

High-speed counter instructions

Example: If you use an AB phase encoder, it is 1024 pulse input in one turn. If the multiplier is not set, then the counter count is 1024 (the original FX3U does not support 2 times the frequency). If the frequency is set to 2, That turn, the counter counts 2048; if you set 4 times, then the counter counts 4096;
Input signal formCounting direction
One-way single count input
UP/DOWN
By the ON/OFF of M8235~M8245
Increase/decrease count
ON: count down
OFF: increase count
One-way double count input

UP

DOWN
As shown on the left, increase/decrease the count.
Counting direction can be performed by M8246~M8250
Settings.
ON: count down
OFF: increase count
Two-way double count input1 timesPicture

As shown on the left, increase/decrease the count.
Counting direction can be performed by M8246~M8250
Settings.
ON: count down
OFF: increase count
4 timesPicture