题目内容
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[单选题]
某电量变送器的输入输出特性为0~450V/4~20mA,在IDA-IO的配置中, X1、Y1、X2、Y2分别设置为()
A.0,4, 450,20
B.4,0,20,450
C.0,0.004,450,0.02
D.0.004,0,0.02,450
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A.0,4, 450,20
B.4,0,20,450
C.0,0.004,450,0.02
D.0.004,0,0.02,450