1 Introduction
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CJ-series High-speed Counter Units Operation Manual for NJ-series CPU Unit(W492)
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Application Areas
The main application areas of the High-speed Counter Unit is where signals with high frequencies are
counted and high-speed responses have to be triggered at predefined Counter Values. Application
areas include:
• Packaging and Sorting plants
• Dosing or proportioning plants
• Process Industry
Typical applications in which the CJ1W-CT021 can be used:
• (CAM)-Positioning
• Position Monitoring
• Flow Control (refer to 6-1 Flow Control)
Section 6 Application Examples describes typical application examples in which the High-speed
Counter can be used, including sample programs.