This manual describes the USB Adapter CN, a communication interface for Siemens S7‑300/400 and S7‑200 PLCs. It covers supported protocols (PROFIBUS, MPI, PPI, RS485) and provides wiring diagrams, error codes, and configuration guidelines.
Key sections include physical dimensions, electrical characteristics, transmission rates, and step‑by‑step installation instructions. The document also lists compatible PLC models and provides troubleshooting tips for common errors.
| Operating temperature | -20~+75°C |
|---|---|
| Isolation voltage | 1000 VDC |
| Physical size | 123 mm × 68 mm × 30 mm |
The adapter works from –20 °C to +75 °C.