PLC与变频器直接通讯程序的设计

Design of Direct Communication Program of PLC and Inverter

针对变频器的频率调整,介绍了一种PLC与变频器组成的通讯网络,可达到简单、灵活地调整变频器输出频率的目的,并给出了设计的方法和PLC的程序。

For the purpose of inverter frequency adjustment, this paper introduces a communications network consisting of PLC and inverter that can achieve the purpose of simply and flexibly adjustment for the inverter output frequency,and design methods and the PLC program are given.