This guide explains the functions, hardware, wiring, programming, debugging and fault diagnosis of Mitsubishi Electric's large Q‑series PLCs.
The guide introduces the large programmable controllers from Mitsubishi Electric, focusing on the Q series. It covers hardware composition, system selection, wiring, programming, debugging and fault‑diagnosis procedures.
The document also references other MELSEC series (K, A, L) and provides detailed explanations of CPU modules, system architecture and practical examples to help engineers design and maintain PLC‑based automation systems. This manual is written in Chinese.