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US-324

US-324

Brainboxes
RS-422, RS-485 USB to Serial
Active58 in stock

Overview

The US-324 is a single-port USB to RS-422/485 adapter designed for industrial communication, supporting high-speed data rates up to 921,600 Baud. It features a standard DB9 male connector and provides a reliable bridge between modern USB-equipped computers and legacy differential serial networks. The unit is optimized for rugged environments, drawing 80mA at 5V from the USB bus.

Why Choose This Part

This adapter provides deep hardware buffers with a 128-byte TX and 256-byte RX FIFO to ensure data integrity at high speeds. It includes comprehensive driver support for all popular operating systems and comes with a lifetime warranty and technical support, making it a low-risk choice for long-term deployments.

Applications

Industrial Process Control
Connecting PLCs, motor drives, and industrial controllers that use RS-485 multi-drop networking to a centralized PC.
SCADA Systems
Acting as a gateway for supervisory control and data acquisition from remote sensors over long cable runs typical of RS-422/485.
Laboratory Automation
Interfacing scientific instruments and measurement hardware with desktop computers for automated data logging.

Key Specifications

Type USB to Serial
Interface RS-422, RS-485
Convert To (Adapter End) D-Sub 09 Pos (DB9) Male
Convert From (Adapter End) USB - A 2.0 Male

Getting Started

Installation is straightforward using the included USB extender cable; simply install the Brainboxes Boost.Software drivers to map the device as a standard COM port. Engineers can use the provided Sample Programs and Terminal software to verify communication with RS-422 or RS-485 peripherals immediately after setup.

Also Consider

USB-RS485-WE-1800-BT FTDI Chip - A cable-style adapter with wire-ended outputs for direct termination into screw terminals rather than a DB9 connector.