PLC控制器6FC5210-0DF02-0AA0

提升机高压变频技术方案

改造内容：现有电控系统全部拆除，重新采购一整套新的绞车系统，其中操作台采用两台可编程控制器，其中一台为主控机负责提升机的主程序，第二台为监控机负责信号打点、语音报警和后备保护，两台PLC有主有从，互有分工，相互监视实现了安全回路的双线制。使用变频器驱动电机，变频器型号为HD92-J100/400-RB，采用远程控制方式，由操作台的PLC将控制指令传送到变频器，控制框图如图四：

图四：控制台图

操作台PLC与变频器之间采用硬线连接方式，通过4~20mA模拟量信号调速，驱动电机在0~50Hz范围内运行。具体接口信息如图五所示：

图五：接口信息图

变频器采用两线式控制模式，通过DI9、DI10两个端口分别控制变频器正、反转，频率给定采用4~20mA模拟量信号，对应变频器输出频率0~50Hz； 

变频器控制采用开环矢量控制技术，无需安装编码器作速度闭环控制，可根据电机运行电压及电流自行解耦出电机实时运行状态。

PLC控制器6FC5210-0DF02-0AA0

PLC控制器6FC5210-0DF02-0AA0

PLC控制器6FC5210-0DF02-0AA0

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NEMIC-LAMBDA 24V 2.2A DC POWER SUPPLY JWS50-24/A

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PLC控制器6FC5210-0DF02-0AA0