Description

Our USB to RS422/RS485 adapters are an easy way to connect RS422 or RS485 devices to a USB port on your computer.

Each port can be set as RS422 or RS485 allowing devices using either of these protocols to be connected. Each port has options such as termination and biasing and indication LEDs for Tx and Rx for easy diagnostics.

With a variety of port numbers and enclosure styles and easy to install drivers for a range of operating systems, these adapters are ideal for adding one or more RS422/RS485 ports to your computer.

• Based on the renowned FTDI USB-Serial chipsets and drivers
• Microsoft Windows® WHQL-certified, macOS and Linux drivers
• Each RS422/RS485 port can appear as a Virtual Com Port allowing easy use with existing application programs
• Multi-port units create a separate COM port for each port with separate settings (such as baud rate and flow control) per port
• Ports can also be accessed using the FTDI D2xx DLL functions
• Signals (note that modes and signals may vary between models)
  • RS422: TxD+, TxD-, RxD+, RxD-, GND, RTS+, RTS-, CTS+, CTS-
  • RS485 4-wire: TxD+, TxD-, RxD+, RxD-, GND
  • RS485 2-wire: Data+, Data-, GND
• RS422/RS485 signals via DB-9 and/or Terminal Block (depending on model)
• Automatic Hardware (RTS / CTS) flow control on RS422 models (where signals are available on connector)
• Software (X-on/X-off) flow control
• Transmit and Receive LED indicators help to confirm operation and assist in troubleshooting
• Available in 1, 2, 4, 8 and 16-port versions
• USB powered or from external/Internal PSU (depending on model)
• Variety of robust plastic and metal enclosures

Feel free to browse through the corresponding datasheet for more information.

Document

ES-U-2001-S

USB-COMi+2 Products Manual 

ES-U-2001-STB

USB-COMi-TB Products Manual Download

Downloads

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