本文阐述了包装线上包装设备的工作原理、工艺要求。介绍了英威腾系列PLC在包装线应用中的控制方案、控制工艺、伺服控制、变频控制、N:N通讯网络、温度控制、GPRS等功能和程序控制实现的要点。 This article describes the packaging line packaging equipment working principle, process requirements. The main points of the control scheme, control technology, servo control, frequency conversion control, N: N communication network, temperature control, GPRS and other functions and program control of INVT series PLC in the application of packaging line are introduced.