摘  要：本文介绍了永宏PLC在喷涂流水线上的应用，案例主要应用了永宏PLC的扩展功能和通讯功能，完成加工动作。 关键词：永宏PLC   扩展   通讯 Abstract: Yonghong PLC were introduced in this paper the application of pressure pipe processing equipment, the case is mainly used for yonghong PLC control the action of electromagnetic valve on the cylinder. Key words: Yonghong PLC  Extension  Communication 【中图分类号】U260.352  【文献标识码】B  文章编号1606-5[登陆后可查看全文]