6ES7461-3AA00-7AA0 亿佳真好
压力机控制系统的核心是欧姆龙CJ2M-CPU33可编程控制器，D网通讯选项卡，2个继电器（PZHZ X4P,PNOZ X2.8P），OMRON的RS-422/485选项板、电源模块、I/O控制单元、0.7m连接电缆、I/O接口单元、温度控制单元、模拟量模块、继电器输出模块、直流输入单元、总线模块、DeviceNet通信模块等。皆安装在电控柜内。为了便于机床操作和维修，在操作面板上除配备了必要的指示灯外，还设置了PRO-FACE的GP4501TADW触摸屏，其额定电压DC24V屏幕大小10.4英寸，用于指示压力机主要控制回路的工作状况及参数设置，如控制压力，装模高度、气垫行程等参数。本压力机采用了一系列机电一体化技术，主电机采用交流变频电动机，行程控制和其它辅助动作的控制则应用了电子凸轮开关，具备润滑次数检测功能，可以在触摸屏上显示关键润滑点的供油次数；应用数字测控技术，具有装模高度调整功能。
PLC和变频器连接，压力的飞轮以及传动系统由额定电压AC380V，额定频率50HZ的三相异步电动机实现。PLC通过Ethernet局域网络通信变频器，由设定标签名称与地址对接的报文实现对变频器的转速控制和实际当前速度的反馈以及启动停止、三相线电压电流的监控。以太网的标准拓扑结构是总线型拓扑，是一种计算机局域网技术。IEEE组织的IEEE802.3标准制定了以太网技术标准，规定包括物理层的连接、电子信号和介质访问层协议的内容。使之节点对接更迅速，更稳定，更，有效的在工业环境中工作。PLC和触摸屏的连接，也使用以太网通讯，制作触摸屏画面监控相应的地址信息以及更改各类参数值。DeviceNet是由美国Allen-Bradley公司制造的一种自动化技术的现场总线标准。PLC携带D网模块，PLC通过D网通讯模块连接电子凸轮与转角指示器，实时监控滑块角度。图2是网络通讯图。图3与图4是操作站I/O地址分配表，由接线图和原理图配置硬件接线，此处原理图和接线图不
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