This document introduces the debugging method of SIMATIC automation system S7-300 CPU 31x, including using analog output positioning, using digital output positioning, counting, point-to-point link, closed-loop control, etc.
This guide introduces the Siemens S7‑300 CPU 31x series and walks the user through a complete commissioning process. It starts with safety warnings, required tools, and preparation steps, then moves on to hardware installation, wiring, and configuration in the STEP 7 hardware editor.
Further sections cover programming the CPU, performing test runs, and additional information such as PROFINET interface setup and troubleshooting. The document is intended for qualified personnel who will install, configure, and maintain the system. This manual is written in Chinese.
The guide lists danger, warning, and caution symbols, explains the meaning of each, and states that only qualified personnel may install or operate the system.