应用西门子MCP用户自定义键接口控制迷你手持单元

Mini handhold unit of custom key interface control with Siemens MPC

使用西门子迷你手持单元时,需要分别进行手轮和其他功能信号处理,占用I/O点数多,连接复杂.在条件允许时,可将控制信号连接到840D sl和828D用的MCP310C和MCP483C上带有连接用户自定义按钮的I/O接口X51～X55,提高信号的抗干扰性,减少I/O地址占用量,又可以避免反复引线的劳动量,节约成本,简单可行.

Using SEIMENS mini handhold unit need both hand wheel and other function signal processing,it occupies many I / O points,its connection is complex. Connect control signal with the custom button of I / O interface on MCP310C and MCP483C when conditions permit,it can improve anti-interference of signal,reduce the occupation of I / O address,save cost and perform easy.