A.0~10V,0~10mA B.0~5V,0~5mA C.0~10V,0~20mA D.0~10V,4~20mA
A.模擬量輸入模塊 B.數(shù)字I/O模塊 C.CPU模塊 D.智能模塊
A.2.8V B.3.0V C.2.5V D.2.0V