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关注：1
2013-05-23 12:21
求翻译：3、串口控制器和控制主机之间距离可以通过485总线延长，最长组网可以达到一千米；是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
3、串口控制器和控制主机之间距离可以通过485总线延长，最长组网可以达到一千米；
问题补充： |
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2013-05-23 12:21:38
3, the serial controller and control the distance between the host bus 485 can extend up to one thousand meters up networking;
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2013-05-23 12:23:18
3, serial controller and control can be passed between hosts distance485 extension can be reached, the longest line group 1000 meters;
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2013-05-23 12:24:58
3rd, between the serial port controller and the control main engine the distance may lengthen through 485 main lines, the longest network may amount to a kilometer;
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2013-05-23 12:26:38
3, serial controllers, and controls the distance between hosts through the 485 bus extension, the longest network can be 1-kilometer;
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2013-05-23 12:28:18
3rd, between the serial port controller and the control main engine the distance may lengthen through 485 main lines, the longest network may amount to a kilometer;
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