S7-200 PLC在变压器干燥系统中的应用

Application of S7-200 PLC to Transformer Dry System

提出了基于西门子S7-200 PLC的变压器干燥系统的电气设计方案,介绍了部分控制电路及控制程序设计.

This paper presents the electrical design solution for the transformer dry system based on SIMATIC S7-200 PLC, and introduces partly design of control circuits and control programs.