摘要
本文介绍了S7-300 PLC模拟量模块特点、性能和功能,给出了模拟量模块的量程转换原理,最后以实例说明S7-300 PLC模拟量模块编程和应用。
Feature,performance and function of S7-300 PLC is introduced.Then,the paper gives principle of range conversion of analog module.At the end,it illustrates programming and application of S7-300 PLC analog module with an example.
出处
《机床电器》
2011年第2期30-32,34,共4页
Machine Tool Electric Apparatus