The Application of PLC in Mobile Ground Station System for Automatic Control System of Milk

The main control of PLC,as the key control unit of emulsion_making control system for mobile ground station,makes use of high precision 16bit A/D change_over to measure the analogue data,RS485 communication unit to accomplish the communication between converter and PLC main control,control the rotatinal speed of load and achieve the results of whole closed loop control,The product is reliable in operation and prastical with high control precision.