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Omron CJ2H-CPU6*-EIP Series User Manual

Omron CJ2H-CPU6*-EIP Series
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7-1
CJ2M CPU Unit Pulse I/O Module User’s Manual
7
This section describes the high-speed counter inputs, high-speed counter interrupts,
and the frequency measurement function.
7-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
7-1-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
7-1-2 Application Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
7-1-3 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
7-1-4 PLC Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
7-1-5 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
7-1-6 Creating Ladder Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12
7-2 High-speed Counter Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13
7-2-1 Pulse Input Methods Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13
7-2-2 Counting Mode Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
7-2-3 Reset Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-16
7-2-4 Reading the Present Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-16
7-2-5 Frequency Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17
7-2-6 Measuring the Rotational Speed or Total Rotations . . . . . . . . . . . . . . . . . . . 7-18
7-2-7 Reading the Count Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-19
7-2-8 Temporarily Stopping Input Signal Counting (Gate Function) . . . . . . . . . . . . 7-20
7-3 High-speed Counter Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-21
7-3-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-21
7-3-2 Present Value Comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-25
7-3-3 High-speed Counter Interrupt Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-28
7-4 Related Auxiliary Area Words and Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-35
7-5 Application Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-43
High-speed Counters

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Omron CJ2H-CPU6*-EIP Series Specifications

General IconGeneral
BrandOmron
ModelCJ2H-CPU6*-EIP Series
CategoryController
LanguageEnglish

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