IS202ORKPSG2A GE 模拟输入输出

DS200GGIAF1BAC
DS200GGIAG1B
DS200GGXCG1A
DS200GHDCF1AAC
DS200GHDCF1AAH
DS200GHDCF1CBC
DS200GHDCF1CBE
DS200GHDCF1CBF
DS200GHDCF1CBG

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描述

模拟量I/O编址是以字长(16位)为单位。在读写模拟量信息时,模拟输入输出按字单位读写。模拟输入只能进行读操作,而模拟输出只能进行写操作,每个模拟输入输出都是一个模拟端口。一模拟端口的地址由标志域(AI/AQ)、数据长度标志(W)以及字节地址(0~30之间的十进制偶数)组成。模拟端口的地址从0开始,以2递增(如:AIW0、AIW2、AIW4等),对模拟端口奇数编址是不允许的。

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