Siemens SIMATIC S7-300 Programming Guide

SIMATIC S7-300 is a modular small and medium-sized PLC system that meets the requirements of medium-sized applications. Modular, fanless design, easy to achieve distribution, easy for users to master and other characteristics make S7-300 a convenient and economical solution for small-scale to medium-sized control tasks.


Brand
Siemens
Category
Automation control Equipment
Document type
Programming Manual
Language
Chinese
Pages
10
File format
PDF
File size
8.5 MB
Updated
30 September, 2023
MD5 checksum
9744552EAA03EA546B41DA8DC4C9DB5E

About this manual

The SIMATIC S7-300 is a modular programmable controller designed for medium‑performance automation tasks. It offers a flexible architecture with interchangeable CPU, I/O, power, and communication modules that can be mounted on standard DIN rails.

The guide covers system structure, installation, wiring, module replacement, communication options (PROFIBUS‑DP, MPI, AS‑i, industrial Ethernet), and diagnostic functions, helping users configure and maintain the controller in industrial environments. This manual is written in Chinese.

What's inside

  • 概述
  • 结构
  • 安装方法
  • 接口模块
  • 电源模块
  • 通讯接口
  • 诊断功能
  • 模块更换
  • 技术规范

Specifications

Temperature range (standard type)0 °C to 60 °C
Temperature range (extended type)-25 °C to 60 °C
Maximum distance between central rack and extension rack10 m

Frequently asked questions

What is the temperature range for the standard S7-300 controller?

The standard type operates from 0 °C up to 60 °C.

What is the maximum cable length between the central rack and an extension rack?

The maximum distance is 10 meters.

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