Serial Communications Interface Unit (SCIU)

The SCIU provides a convenient method of connecting serial RS422 or RS485 devices to a PC computer using the computer’s USB port.
BTD-200
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Overview

Optically isolated RS422/RS485 to USB convertor. Serial Communications Interface Unit allows connection of devices with a RS422 or RS485 serial interface to the USB port of a computer.

The box contains a convertor, 0.5m USB cable and user manual.

Technical Description

The Serial Communications Interface Unit (SCIU) provides a convenient method of connecting serial RS422 or RS485 devices to a PC computer using the computer’s USB port. The RS422/RS485 connections of the SCIU are electrically isolated from the USB port to protect the computer against damage by electrical spikes and surges on the serial communication lines. An isolated 5V power output derived from the USB port is provided to power low power devices.

Specifications

Power
USB Port powerd
USB Standard
USB 2.0
Type B Connector
0.5m Type A to B connector supplied
RS422 or RS485
Selected by jumper
Baud rate
300 to 115,200
Isolation
Transient 2.75 kV
Working 250 Vac
5 V Output
Isolated from USB port
5 V ± 0.4 V
Max 100 mA
Ingress Protection
IP50 Indoor use only
Operating Temperature
0˚C to 50˚C

Downloads

Sales & Support

Contact Biral for more information

To find out more about this instrument or to discuss your application requirements please do not hesitate to contact Biral.

After Sales Support

Biral offers free advice and technical support for the lifetime of the instruments we sell. Once you have purchased the unit you can always contact us for help using the links on our Service Support page.

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