USB400

Serial RS422 / RS485 to USB bus adapter
USB400

Overview

  • RS422 & RS485 serial interface
  • Speed up to 921.6 Kbps, full duplex
  • RS485 automatic line direction control
  • Support for 4-wire RS422/RS485 and 2-wire RS485
  • 2 LEDs for independent TxD & RxD signaling
  • Host bus powered
  • Hot “Plug & Play”, USB 1.1 full speed (2.0 compatible)
  • Standard COM ports full compatible
  • 15 KV ESD protection and HF filtering
  • Robust & compatible aluminium case (dongle), CE standards

Introduction

The range of serial to USB solution offers performance, simplicity of installation, security, robustness and high reliability at affordable prices.

 

USB400 is enclosed in a compact aluminum case (dongle format), it features an industrial 2-4 wire RS422 / RS485 serial interface with 5-point screw-in terminal block.

 

USB400 installation is quite simple as the product is instantly plug & play, it doesn't require any IRQ, DMA or I/O port resources.

 

Installed serial ports are considered by Windows 9x, Windows 2000, Windows XP & Linux operating systems as computer's standard COM ports.

 

Technical characteristics

 

 

Interfaces

 

One RS422 / RS485 asynchronous serial ports for USB bus

 

 
 

 

RS signals

 

RS422 mode: A, A’, B, B’ & GND - RS485 mode: AA’, BB’ & GND

 

 
 

 

Format

 

Asynchronous 5, 6, 7 or 8 bits per character 1, 11/2, 2 stop bits

Even, odd, mark, space or no parity

 

 
 

 

Data rate

 

From 50 to 921.6 Kbps

 

 
 

 

FIFOS

 

32 bytes

 

 
 

 

Hand-shake

 

Hardware hand-shake (RTS/CTS) and/or software hand-shake (XON/XOFF) with automatic line direction control in the RS485 mode.

 

 
 

 

RS connectors

 

5-point screw-in terminal block

 

 
 

 

Protection

 

15KV ESD protection with HF signal filtering, CE conformity 

 

 
 

 

Signaling

 

2 LEDs to monitor TxD & RxD signals activity, one LED for power supply

 

 
 

 

Power supply

 

Powered from USB bus

 

 
 

 

Operating systems

 

 

Windows 9x, Windows 2000, Windows XP, Linux 2.4 & 2.6

 
 

 

Consumption

 

0,4 W maximum

 

 
 

 

Configuring

 

"Plug & Play" equipment, quick & easy Windows installation, RS422 / RS485 mode, polarization and line termination are switches configurable.

 

 
 

 

EMC

 

NF EN 55022 residential emission, NF EN 61000-6-2 industrial immunity

 

 
 

 

Environment

 

Operating temperature from -5°C to +65°C, storage -40°C to +80°C, 0 to 95% relative humidity without condensation

 

 
 

 

Installation

 

"Dongle" format, shipped with a 2 meter A/B type USB cable

 

 
 

 

Dimensions 

 

73 mm (L) x 25 mm (l) x 21 mm (H)

 

 
 

 

Weight

 

36 g 

 

 
 

 

Accessories

 

Screwdriver to screw-in the RS422/485 cable in the terminal block

 

 

Technical documentation

Drivers - softwares - firmwares

Reference to order

 

 

USB400

 

One RS422 / RS485, USB bus powered, shipped with 2 m A/B type USB cable