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关注：1
2013-05-23 12:21
求翻译：AD421将数据转换成4~20mA的模拟信号，然后叠加上HT2012调制的数字信号进行通信。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
AD421将数据转换成4~20mA的模拟信号，然后叠加上HT2012调制的数字信号进行通信。
问题补充： |
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2013-05-23 12:21:38
The ad421 will convert the data into the 4 ~ 20ma analog signal and then superimposed on the the HT2012 modulation of digital signals to communicate.
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2013-05-23 12:23:18
AD 421 converts the data into 4 to 20 mA analog signals, and then stack HT 2012 modulation and the digital signal.
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2013-05-23 12:24:58
AD421 the data conversion 4~20mA simulated signal, then in the superimposition the HT2012 modulation digital signal carries on the correspondence.
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2013-05-23 12:26:38
AD421 will convert the data to analog signal 4~20mA and HT2012 modulation of digital signals to communicate on the overlay.
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2013-05-23 12:28:18
正在翻译，请等待...
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