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USB to modbus isolated converter, DAT3580-USB-2W.
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MODBUS RS485 to USB Adapter
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Converter USB To RS485 485 Adapter Interface Modbus Raspberry Pi (581) | eBay
Amazon.com: WITMOTION USB to RS485 Modbus RTU UART Converter Cable with CH340 Chip, Terminated by 4 Way Female Socket Header, Serial Adapter (1m/3.28ft, Black), Windows 10,8,7, Linux MAC OS : Electronics
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AC-422 Modbus to USB Converter | Apogee Instruments
USB to RS485 RJ45 Serial Cable for ABB Driver ACS-380 ACS-550, USB RS485 Modbus Adapter Communication Cable for ABB Oy BCBL-01 - Newegg.com
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SQD SCHNEIDER-ELECTRIC TSXCUSBMBP USB GATEWAY - MODBUS PLUS BUS | United Electric
CH340 CP2102 FTDI USB RS485 Isolated Serial Adapter Module Converter Modbus Communication Cable - AliExpress