西门子S7-200系统介绍SIEMENSSIMATICS7-200CPU214SFRUNSTOPI1.0I1.1I1.2I1.3I1.4I1.5I0.0I0.1I0.2I0.3I0.4I0.5I0.6I0.7Q1.0Q1.1Q0.0Q0.1Q0.2Q0.3Q0.4Q0.5Q0.6Q0.7EM221DI8xDC24VI.0I.1I.2I.3I.4I.5I.6I.71﹑S7-200PLC概述S7-200PLC性能S7-200CPU2﹑S7-200PLC硬件安装和维护S7-200PLC安装空间要求采用拆卸的端子连接器3﹑S7-200PLC编程入门