you need choose right usb driver for the different version. Economic version/upgrade version/isolated version use CH340 driver,High speed communication version/Omnipotent version use FTDI driver.
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6ES7 901-3DB30-0XA0Product on sale$85.00$72.00 -
6ES7901-3CB30-0XA0Product on sale$49.00 – $79.00 -
PC-PPIProduct on sale$15.30$15.00 -
USB-PPIProduct on sale$25.00 – $49.00
