RS485

RS485 Serial Interface

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Overview

Connect and control any industrial-grade low-cost electrically-isolated RS485 Sensors and Actuators with ease. Here is an example analog input.

Key features • RS485 Transceiver • Serial Communication • Terminal Block Connector • 32x22mm Overall Dimension

Resources 📄 Schematics 🔩 3D STEP file PID: 0x030005

🌿 Cables not included

Modules ship without cables to reduce waste. Some specialty boards include a USB cable; for the rest, see Cables to add cables to your order.

Commands

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Samples

Example code for using this module's commands in popular languages.

tip

New here? See Get Started to connect a module and send your first command.

Python

Python Sample

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See full example on GitHub

MicroPython

MicroPython Sample

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See full example on GitHub

JavaScript

JavaScript Sample

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See full example on GitHub

.NET

.NET Sample

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See full example on GitHub

Arduino

Arduino Sample

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See full example on GitHub

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Peek under the hood

The script below is this module's driver — it teaches the hardware how to respond to the commands listed above. It ships pre-loaded from the factory; most users never need to open it.

RS485 Driver

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See full example on GitHub

On-Module Code

Code that runs directly on this module's MCU. See On-Module Code for an overview.

Script

This example runs using the default DUELink Internal Engine using its Scripting Language, and it expects the module's driver to be loaded first, see the Commands Tab.

Standalone Script Sample

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See full example on GitHub

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Ordering Info

Product	Part Number	Price
DUELink RS485	GDL-CMRS485-A	$14.95

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