1、 第 页 共 页 基于基于 PLCPLC 的电磁泵控制程序软件设计的电磁泵控制程序软件设计 摘要 本设计采用三菱 FX0n-3A 系列 PLC 和三菱 GOT1000 触摸屏分别作为电磁泵输 送系统的控制器和人际界面,以电磁泵电源为被控对象,实现定量输送控制。该系 统包括三部分:电磁泵电源、PLC 控制器、人机界面。 本文首先分析了电磁泵的工作原理,拟定出控制方案并对硬件选型;然后根据 定量输送系统工艺流程进行 PLC 控制程序和人机界面设计。 其中 PLC 控制程序主 要实现的功能是通过从触摸屏接受信号输出 010V 模拟电压控制电磁泵电源0 2500A 电流,并根据工业现场输送电流给予适当
2、补偿;人机界面程序主要实现的功 能是替代系统部分按钮、通过对 PLC 程序和人机界面程序仿真,证明此设计方案 可行。 关键词关键词:电磁泵,PLC 控制,人机界面应用 第 页 共 页 Design of the electromagnetic pump control program based on PLC controler ABSTRACT This design uses Mitsubishi FX0n-3A series PLC and Mitsubishi GOT1000 touch screen as the controller of electromagnetic pump
3、delivery system and human interface, with electromagnetic pump power as the controlled object, realize the quantitative feeding control. The system consists of three parts: electromagnetic pump power, PLC controller, man-machine interface. This paper analyzes the working principle of electromagnetic
4、 pump, a control scheme and the hardware selection; then according to the quantitativ conveying system process design PLC control system and man-machine interface. The PLC control programs main function is to receive signals output by 0 10V analog voltage control electromagnetic pump power of 0 2500
5、A current from the touch screen, and according to the industrial field current is supplied to give appropriate compensation; mainly realizes man-machine interface program function is to replace the system of button, through the PLC program and man-machine interface program, prove that this design is feasible. Keywords: electromagnetic pump, PLC control, application of human-machine interface 第 页 共 页 目 录 1 引言1 1.1 课题研究的背景、目的及意义 1 1.2 定量输送国内外发展状况 2 1.2.1 针对铸型采用的定量输送方法2 1.2.2 高温金属液输送设备定量输送 2 1.3 电磁泵国内外发展状况 3 1.3.1 国外电磁泵发展状况 3 1.3.2 国内电磁泵发展状况 4 1.4 本设计主要研究内容 4 2