LK3U PLC High-speed counter instructions
LK3U PLC-Communication port pin definition
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 Analog read and write instructions
| 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; | |||||||||||
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| Input signal form | Counting direction | ||||||||||
| One-way single count input |
| By the ON/OFF of M8235~M8245 Increase/decrease count ON: count down OFF: increase count | |||||||||
| One-way double count input |
| 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 input | 1 times | 
| 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 times | 
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