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Subject : 
US3344I RS485 通讯连接VK1100
 
Description : 
我尝试用US3344I RS485接线连接VK1100, 但送指令并没有反应, 请问要如何连接?

 
Solution : 
US3344I的D+必须连接到VS1100的D+, D-连接到D-.
如果是D+接D-的方式就不会作用.
脚位可以参考US3344I手册第8页.

 
Attachment : 
File Download Attachment (US3344I and VK1100 RS485 connection.jpg)
 
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