PLC master and the integration of the man-machine graphical monitoring system, the IPC remote monitoring and data collection. With fill-plated back plating, single hung halfway stop-plated lift test voluntarily laid down their continued plated, slot Part Number mixed double plated the frame slot detection and reporting system, set password access, process parameter settings, the output back by control, records of historical events, the alarm, the drive sets can control the speed of human intelligence operation.    Process graphical control man-machine interface system with Part Number, exception alerts, abnormal alarm set upper and lower limits, screen alert level switch control, water control, heat exchanger temperature control system, PH value detection, automatic dosing with quantitative pump and PVC drugs sink.    Constant current or fixed voltage management rectifier system, including signal converter, the rectifier voltage-current converter connected to the PLC, graphical monitoring system with centralized management rectifier group, integrated in the same operating point, in order to facilitate data aggregation and ease of maintenance .