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Adapters

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USB Adapter

Sku: LA-0211-01A

The LDSBus USB Adapter is ideal for application development with RS485 devices such as LDSBus and Modbus. It provides an easy and straightforward method to interface RS485 devices to a PC running Windows or Linux or to an Embedded System such as RaspberryPi and supports communication rates up to 230Kbaud.

The adapter can work as a USB powered device and power a single RS485 device over the RJ12 port (5V) or power an entire RS485 bus over the RJ45 port. In this case, the DC jack allows attachment of a 24VDC adapter to provide additional power to RS485 devices.

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USD 99.00

Specification

Specifications Details
Features
  • Interface – USB Type C, RS485
  • LED Indicator – Green (Receiving), Red (Transmitting)
  • Mounting – Flush Mount, DIN Rail Mount
Power
  • Input Voltage – USB Power: 5V DC (power LDSU port), Power jack inlet: 24V DC (power RJ45 port)
  • Max Power – 5V DC@2.5W, 24V DC@12W
Physical Characteristics
  • Color – White
  • Housing – Polycarbonate
  • Dimensions – L117.6mm x W42.9mm x H29.7mm
Environmental Limits
  • Operating Temperature – 0 °C to 70 °C
  • Storage Temperature – -20 °C to 85 °C
  • Ambient Relative Humidity – 5 to 95% (non-condensing)
Package Contents
  • Device – 1x LDSBus USB Adapter
  • Installation (Optional) – 1x DIN Rail Bracket set
  • USB Cable – 1x USB-C to USB-A 1 meter cable
  • Power Adapter – 1x 24VDC Power Adapter

Documents

Datasheet
LDSBus USB Adapter Datasheet Release Date: Jan 23, 2026
Quick Start Guide
Sensors and Actuators QSG for USBHost Release Date: Jan 1, 2025
Technical Note
Preparing LDSBus USB Adapter for Modbus RS485 Release Date: Sep 3, 2025
BRT Systems Pte Ltd
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