梯形图需要用PWM格式（用FXGPWIN编写就可以），CPU型号要选FX-1N，支持的指令不多，开关量还是可以的，老版了，不过是破解版不要钱。-Written in FXGPWIN ladder need to use PWM format (can be), the CPU model to choose the FX-1N support the instruction of not more than, the switch can still, old version, but not