Spnning-frame Control System based on VB& PLC

Based on the analysis of the control of Spnning-frame,the control system of Spnning-frame wasdesigned.The method of communication between hostcomputer and PLC was introduced byVB language.The PLC as com-puter has done the work of control signal output,data acquiring of sensors.The upper computer implemented the data analysis,status display,runtime supervise,etc.The system was applied in a plant.