A S7-200 PLC-based linear full auto-filling machine was designed,and their parameters,I /O ports and filling needle motion as well as MCGS configuration software-supported real-time PC monitoring system were determined.%基于 S7-200PLC 设计了一种时间－压力法直线式全自动灌装机控制系统，通过计算确定了灌装机构的参数，定义了相关的 I ／O 口，给出了灌装针头运动控制的部分程序，并采用 MCGS 组态软件设计了其上位机实时监控系统。
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