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Omron SYSMAC CP2E-N D Series - Section 11 High-speed Counters

Omron SYSMAC CP2E-N D Series
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11-1
CP2E CPU Unit Software User’s Manual(W614)
11
This section describes the high-speed counter inputs, high-speed counter interrupts,
and the frequency measurement function.
11-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
11-1-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
11-1-2 Flow of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
11-1-3 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-7
11-2 High-speed Counter Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8
11-2-1 Pulse Input Methods Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8
11-2-2 Counting Ranges Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-10
11-2-3 Reset Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-11
11-2-4 Reading the Present Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12
11-2-5 Frequency Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
11-3 High-speed Counter Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-14
11-3-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-14
11-3-2 Present Value Comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-17
11-3-3 High-speed Counter Interrupt Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . 11-20
11-4 Related Auxiliary Area Bits and Words . . . . . . . . . . . . . . . . . . . . . . . . . . 11-25
11-5 Application Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-26
High-speed Counters

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