USB-COM485-PLUS1

Overview

The USB-COM485-PLUS1 is a USB to RS-485 level converter that adds a high-speed serial port to a system via a standard USB 2.0 Type-B connection. Based on the FT232R chipset, it provides a reliable plug-and-play solution for interfacing modern computers with industrial RS-485 networks. The device features integrated LED indicators for monitoring traffic and can optionally provide 5V power to external hardware.

Why Choose This Part

It offers high-speed communication up to 3Mbps and features WHQL-certified drivers for broad compatibility across Windows, Linux, and Mac OS. The hardware includes a 256-byte receive buffer and 128-byte transmit buffer to handle high data throughput without dropping packets. Additionally, it simplifies field wiring by offering an optional 250mA power output on pin 9 of the DE-9P connector.

Applications

Getting Started

Installation is straightforward using the FTDI VCP (Virtual COM Port) drivers, which map the device to a standard system COM port. Engineers can configure serial parameters like parity and data bits through standard terminal software or custom application code. Integrated TxD and RxD LEDs provide immediate visual feedback for troubleshooting communication issues during initial setup.

USB-COM485 Family

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