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updated: 23.05.2022

USB-RS485-B-Serial Interface

Devantech

The USB-RS485-B module provides an easy to use RS485 interface by means of a Virtual Com Port on the users system. There are no command structures, whatever is sent to the Virtual Comm Port is automatically converted to RS485 and vice versa. The module is completely self powered from the USB bus.


Connections

DEV-USB-RS485-B Connections


Overview

The USB-RS485 is a complete, self powered, USB to RS485 interface working at any baud rate up to 250k baud. Main features are:

  • automatic bus turn-around - any time your not transmitting the module is listening.
  • Uses the ST485 quarter power tranceiver, so you can have up to 128 devices on the bus.
  • USB interface uses the Silicon Concepts CP2102 chip which has drivers available for Windows, Macintosh, Linux and Android.
  • The USB-RS485 can also be used to generate a DMX stream, see examples on product page for more info
  • Onboard 5v regulator can supply up to 1A peak, 300mA continuously to external circuitry.


Test Program

To get the USB-RS485-B up and running in the minimum amount of time the manufacturer has put together a RelayTestprogram to demonstrate the functionality of the module.


Examples

Microsoft Windows

Visual C# Express - Simple example of switching the relays

Visual Basic Express - Simple example of switching the relays


Technical Specifications Manufacturer

Technical Specifications

Product information for: USB-RS485-B Serial Interface Connector

Publishing date (date of last technical specification): 2022-03-24
Shipping weight: 160 g
Manufacturer: Devantech
Brand: ROBOT ELECTRONICS
Article number: DEV-USB-RS485-B
Manufacturer's part number: USB-RS485-B

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Modules > Relay > USB

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Order online now

EUR 24.98 EUR 20.99
Price incl. VAT Price excl. VAT
plus EUR 5.95 shipping costsplus EUR 5.00 shipping costs

Immediate delivery

Available for immediate delivery while stock lasts.

10 in stock
updated: 23.05.2022

Information on currency

EUR 24.98 = GBP 21.36 EUR 20.99 = GBP 17.95 (€1=GBP0.85505)
EUR 24.98 = USD 28.60 EUR 20.99 = USD 24.03 (€1=USD1.1448)
EUR 24.98 = CAD 36.01 EUR 20.99 = CAD 30.26 (€1=CAD1.4416)
EUR 24.98 = AUD 39.19 EUR 20.99 = AUD 32.93 (€1=AUD1.5690)

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About ROBOT ELECTRONICS

ROBOT ELECTRONICS is a brand by English manufacturer Devantech Ltd., based in Norfolk. Product range comprises sensors, in particular ultrasonic or compass, servocontrollers as well as small robot drive systems or relay modules with various interfaces. Sensors are produced in England and are of consistently high quality.

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