西门子 PLCS7_200编程例子，包括24小时累计计时，PTO应用，PWM，集中脉冲，马达正反转等。-Siemens PLCS7_200 programming examples, including the 24 hour time, regarding application of PWM, pulse, motor and reversing, etc

1. 施耐德M218 PLC加TWDIO PTO模块实现三轴步进电机的控制,实现 钢丝的长度计量及冲切、折弯等功能。 2. 该项目配置施耐德HMI与PLC采用MODBUS通讯，触摸屏实现监视和控制(1. Schneider M218 PLC plus TWDIO PTO module to achieve the three axis stepper motor control, to achieve the length of steel wire measurement and punch