PLC 等待称重模块称出空筒的重量, 此重量称为皮重, PLC 收 到空筒重量后即发送给上位机进行显示, 上位机收到皮重后, 立 即发送参数及命令给 PLC 进行配料混合, 由上位机根据用户所 选配方向 PLC 发送加料信号。按称重模块的反馈值, PLC 将通 过 PROFIBUS 网络传递信息控制变频器完成物料的快慢加料 过程。原料加料结束后, 隔一定时间启动搅拌机搅拌原料到设定 时间, 停止搅拌机, 再隔一定时间打开底阀出料, 出料完成后关 闭底阀,FIVES 503-25575-00
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