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Please use twisted pair cable for RS485. (See below diagram). But shielded twisted pair cable
is better and the single-ended connects to the ground.
3. USB port
When downloading programs and data through the USB port, the USB driver and
XINJEConfig tool must be installed first. Because the current USB driver has been built in
the XINJEConfig software, the USB driver will be installed automatically after the
XINJEConfig software is installed.
After installing the xinje config tool and usb driver, please switch to Xnet mode in the PLC
software:
(1) Open XDPPro software, click option/software serial port config
(2) The window of "Communication Configuration" as shown in the picture below pops up,
click ‘New’, and the configuration interface is as follows:
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