This active isolated RS485 to UART signal transfer module comes with protection circuits such as power isolation and TVS. Compatible with most main controllers, it has the characteristics of fast communication speed, stable and reliable performance, high safety, etc., and can be applied to various industrial sensors, industrial control equipment or applications that require RS485 signal conversion.

Downloadable Resources

Dimension

Schematics

Datasheet

Docs

Tech Specs

Projects

1. Example Code for Arduino-Read Sensor Data via Serial

This article offers a comprehensive guide on reading sensor data using Arduino through serial communication, including hardware and software requirements, wiring diagrams, sample code, and debugging techniques with SSCOM32.

Specification

Parameter	Value
Power Supply Voltage	3.3~5V
Communication baud rate	up to 1M bps
Power Output	Up to 12V-2W (output current is about 160mA)
Isolation voltage	3000 VDC
Bus electrostatic protection capacity	up to 15kV
Bus load capacity	1/8 unit load, up to 256 nodes
Protection features	Bus fail protection and bus drive short circuit protection
Operating temperature range	-40℃ to +105℃

Pinout

DFR0845 Gravity: Active Isolated RS485 to UART Signal Converter

Gravity-UART

Label	Name	Function description
1	T	UART data transmission-TX
2	R	UART data reception-RX
3	-	GND power supply negative
4	+	VCC power supply positive

RS485

Label	Name	Function description
1	12V	12V-2W output, connect to 485 device
2	GND	RS485 side isolated ground, connected to 485 device's GND
3	A	RS485 signal terminal A
4	B	RS485 signal terminal B