Based on relation between electromagnetism force and coil circuit of high speed solenoid, The solenoiddrive circuits are designed based on PWM controlled type.
以电磁铁的电磁吸力与电磁铁线圈的电流的关系为基础，设计基于PWM控制方式的电磁阀驱动电路。
2
Familiar with hydraulic systems, pneumatic components, solenoid valves, and mechanical drive system, understand PLC control theory.
熟悉液压系统，气动元件，电磁阀，及机械传动系统，了解PLC控制原理。
3
CF pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.