CPU 31xC Technical Functions User Manual is a manual released by Siemens on the technical functions of CPU 31xC. This manual provides a comprehensive overview of the integrated technical functions of CPU 31xC. This manual is mainly for people who use technical functions based on SIMATIC process control system to realize control tasks.
The document provides a comprehensive description of the integrated technical functions of the SIMATIC S7‑300 CPU 31xC. It is intended for automation engineers who need to implement advanced control tasks using the CPU’s built‑in function blocks.
The manual is organized into sections on positioning (analog and digital output), counting, frequency measurement, pulse‑width modulation, point‑to‑point (PtP) communication, and overall control strategies, followed by technical data and troubleshooting information. This manual is written in Chinese.
| Order number | 6ES7398-8FA10-8BA0 |
|---|---|
| Maximum speed | 10,000 pulses/second (10 V) |
| Acceleration | 1,000 pulses/second² |
| Encoder increment per resolution | 500 increments |
Point‑to‑point communication uses RS‑422/RS‑485 interfaces.