USB to RS485 Converter Adapter

The USB to RS485 Converter Adapter Module provides an easy-to-use RS485 Interface by adding a Virtual COM Port to a PC. This is a fully automatic plug-and-play USB module that can be connected to a PC via the Universal Serial Bus (USB) port and provides a USB to RS-485 protocol conversion with automatic RS-485 flow control. This industry-based module operates on a differential signaling method of measurement rather than voltage measurement with respect to GND pins.

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Features and Specifications

USB to RS485 Converter Adapter can be supported on systems like Windows 7, Windows XP, Linux, etc.
Power Supply: Not required
Compatibility: USB 2.0, USB1.1
Baud Rate: 75 bps to 115200 bps.
Maximum Baud Rate: Upto 6 Mbps

USB to RS485 Converter Overview

The USB to RS485 Converter has 74HC00D IC, MAX485 IC, and a CH430 IC and a clock crystal without markings. The 74HC00D IC is a quad 2-input NAND gate having clamp diodes at its input. This enables the use of current limiting resistors to interface inputs to voltages in excess of operating voltage.

Reference 22002