This manual covers the S7-200 series PLC hardware and software. It includes product overview, installation steps, basic PLC concepts, programming guidelines, instruction set details, network communication options, and hardware fault diagnosis.
Additional sections describe open‑loop motion control, Modbus and USS protocol libraries, recipe handling, data archiving, PID tuning, and provide technical specifications and appendices for reference. This manual is written in Chinese.
| Supported CPU models | 221, 222, 224, 224XP, 226 |
|---|---|
| Input image registers | I0.0–I15.7 |
| Output image registers | Q0.0–Q15.7 |
| Analog inputs (read‑only) | AIW0–AIW30 |
Programming the S7-200 uses the STEP 7‑Micro/WIN 4.0 software package.