This manual describes the features of the QD62/QD62E/QD62D/Q series high-speed counter modules and the precautions for installation, wiring and use.
About this manual
The manual describes the proper handling, installation and wiring of the QD62 series high‑speed counter modules used with MELSEC‑Q PLCs. It includes safety precautions, installation steps, wiring guidelines, start‑up procedures, and detailed specifications for each model.
Additional sections cover basic and advanced usage, programming examples with GX Configurator‑CT, troubleshooting tips, and appendices with dimension drawings and part numbers. This manual is written in Chinese.
What's inside
- Safety Precautions
- Installation Guidelines
- Wiring Guidelines
- Start-up and Maintenance
- Specifications
- Basic Operation
- Advanced Operation
- Programming
- Troubleshooting
Specifications
| Maximum counting speed | 500 kPPS (QD62D) |
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| Number of channels | 2 channels |
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| Input voltage range | 5/12/24 V DC |
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| Output type | QD62: DC sink output; QD62E: DC source output; QD62D: differential sink output |
Frequently asked questions
What is the maximum counting speed for the QD62D module?
The QD62D module can count up to 500 kPPS.
How many counting channels does each module provide?
Each of the QD62, QD62E and QD62D modules provides two counting channels.