Siemens S7-200，EM223,32DI / 32DO 24VDC，6ES7223-1BM22-0XA0 模块

 SIMATIC S7-200, DIGITAL I/O    

EM 223, FOR  S7-22X CPU ONLY,  

32DI 24V DC, SINK/SOURCE,      

32DO 24V DC, 0.75A/POINT,SOURCE