信息字段例子一些信息字段包括在RTU从设备内被访问数据范围的条目。注意:数据地址从0开始。这意味着在RTU信息指定数据地址时必须用实际地址减1。对于.上例中的信息(01)READ OUTPUT TABLE Query.,在开始点编号字段指定开始地址。为了指定%Q0001作为开始地址,应该把地址%Q0000放在这个字段里。放在点数字段里值决定有多少从地址%Q0001开始的Q位被
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