Plug in the 1747-UIC adapter of the USB port and install the 1747-UIC hardware driver according to the manual. It is best to use it under XP SP2. The driver of USB DH-485 Serial port COM3 (USB to virtual serial port) displayed in the device manager is normal No, you need to reinstall the 1747-UIC hardware driver again.
Under XP SP3, only USB Serial port COM3 may be displayed.
Start RSLINX and add DH485-UIC driver.
1747-UIC adapter DIP to DH485, docking with RJ45 port, RSLINX choose AB-UIC-1 driver to connect to SLC500 / 01.