The diagram describes a reversing 5 step drum controller. One end of the field is always connected to L2 when energized, so the magnetic field of the series winding is always pointed the same direction. The armature is connected to the section of the controller that reverses the armature ...
a在PLC编程设计中最常见的是梯形图编程语言,梯形图与电气操作原理图相对应,具有直观性和对应性,容易掌握 In the PLC programming design most common is the trapezoidal chart programming language, the trapezoidal chart and the electrical operation schematic diagram corresponds, has intuitive and the ...