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樓主  發(fā)表于: 2019-12-25 16:56
1. 系統概述
 

三菱 PLC FX3u 可以使用專(zhuān)用下載線(xiàn)通過(guò)計算機串口下載程序,同樣也可以使用自制下載線(xiàn)纜,連接西安達泰電子無(wú)線(xiàn)模塊 DTD435M 進(jìn)行遠程無(wú)線(xiàn)下載程序,計算機端采用 RS232 或者 RS485 將計算機端與無(wú)線(xiàn)模塊連接, PLC 端同樣使用 RS232  RS485 將把無(wú)線(xiàn)模塊接收到的下載數據通過(guò) RS232 口與自制編程電纜連接。系統結構如下圖所示:
                                                           

2. 編程線(xiàn)制作 
 
PLC 編程電纜是八針的選型接頭,與 RS232 的 DB9 接線(xiàn)如下圖所示:  
                                                  


將自制電纜與 PLC 連接。 

3. 參數設置 
 
西安達泰電子的 DTD435M 均采用 9600 8N1。GX Developer 編程軟件下載參數如下圖所示,串口與插入 PC 的串口驅動(dòng)顯示的一致。  
                                                      
 
4. 實(shí)例總結 
 
三菱 PLC FX 系列 PLC 通過(guò)西安達泰電子無(wú)線(xiàn)模塊 DTD435M 可以完成程序的無(wú)線(xiàn)下載,并能實(shí)時(shí)進(jìn)行在線(xiàn)監控與調試。  
                                                                                                    

                                                                                  

                                                                                                  
[ 此帖被用心回復在2019-12-25 17:02重新編輯 ]
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PLC無(wú)線(xiàn)通訊方案
sunnykmc
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1樓  發(fā)表于: 2020-09-08 10:34
速率9600kbs,這是要喝幾杯茶或咖啡的等待時(shí)間

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