SIEMENS 6ES7235-0KD22-0XA8 Siemens 模块 S7-200, EM235, 4 AI + 1AO

SIMATIC S7-200, ANALOG I/O     

EM 235, FOR  S7-22X CPU ONLY,  

4 AI, DC +/-10V; 1AO, DC +/-10V

12 BIT CONVERTER