A、<strong style="white-space: normal;"><span style="font-size: 14px; font-family: 宋体;">DC 4<sub>~</sub>20mA</span></strong>
B、<strong style="white-space: normal;"><span style="font-size: 14px; font-family: 宋体;">DC 1<sub>~</sub>12mA</span></strong>
C、<strong style="white-space: normal;"><span style="font-size: 14px; font-family: 宋体;">DC 0<sub>~</sub>12V</span></strong>
D、<strong style="white-space: normal;"><span style="font-size: 14px; font-family: 宋体;">DC 3<sub>~</sub>10mA</span></strong>