This document is the user reference manual for Mitsubishi Programmable Controller QD62/QD62E/QD62D/A-1 Series High-Speed Counter Modules. The document includes safety precautions, design considerations, and wiring instructions.
The manual describes the purpose, features and specifications of the Q series high‑speed counter modules and explains how to integrate them with MELSEC‑Q PLCs. It includes safety guidelines, installation steps, wiring procedures, configuration settings and programming examples.
Additional sections cover startup and maintenance practices, troubleshooting of common errors, and appendices with dimension drawings and part differences. The document is intended for engineers and technicians who install and service these modules. This manual is written in Chinese.
| I/O type | DC input sink output |
|---|---|
| Maximum count speed (QD62) | 200 kPPS |
| Channel count | 2 channels |
| Weight | 0.11 kg |
| Internal current consumption | 0.30 A |
The manual uses two safety symbols: “危险” (danger) for actions that could cause catastrophic injury, and “小心” (caution) for actions that could cause serious injury or damage.
The encoder side shield cable must be grounded; otherwise the module may fail.