SIMATIC S7-200，DIGITAL I / O，EM 223 扩展模块

SIMATIC S7-200, DIGITAL I/O    
EM 223, FOR  S7-22X CPU ONLY,  
8 DI 24 V DC, SINK/SOURCE,     
8 DO RELAY, 2A/POINT           
THIS S7-200 CN PRODUCT HAS
CE APPROVAL ONLY