W&T connects
Interfaces for TCP/IP, Ethernet, RS-232, RS-485, USB, 20mA, glass and plastic fiber optic cable, http, SNMP, OPC, Modbus TCP, I/O digital, I/O analog, ISA, PCI
Data sheet:

Interface USB <> 20mA Industry, Bus Powered

  • USB <> TTY

Add a 20mA interface to your PC system

The model 34211 interface expands your system with a 20mA interface for connecting active and passive 20mA devices through a USB cable.

Properties

Interfaces:

  • 1 x USB socket, type B
  • 1 x 20mA, 9-pin SUB-D plug
    • active or passive
  • Galvanic isolation between the ports
    • Isolation voltage min. 1kV DC

Management and connectivity:

  • USB 2.0 Full Speed Device (12 Mbit/s)
  • Industry-compatible design on account of
    • noise immunity in accordance with EN 61000-6-2
    • Housing for top-hat-rail installation
  • Active/passive mode for transmission and reception loop, individually adjustable
  • Optional full- and half-duplex mode with echo suppression
  • Addressable as virtual COM interface under
    • Windows 98 / Me / 2000
    • Windows XP / Vista / 7 / 8 / 8.1 / 10 (x86 and x64)
    • Windows Server 2003 / 2008 / 2008R2 / 2012 / 2012R2 (x86 and x64)
  • Supports Mac OS X

Power supply:

  • No additional power supply required
    • Voltage supply via the USB
    • Galvanically isolated power connection

Standards & more

  • Conforms to standards both in office and industrial environments:
    • High noise resistance for industrial environments
    • Low noise emission for residential and business areas
  • 5 year guarantee

Worth knowing

Overvoltage protection for serial interfaces
The permissible voltages allowed to have an effect on serial ports in case of an error are limited to rather low values according to the data sheet specifications for the interface components. Voltages which exceed these values even for a short time will inevitably result in damage to or even destruction of the integrated circuits.

To prevent such effects the USB-Interface 34211 includes integrated overvoltage protection which uses suppressor diodes to limit the maximum occurring voltages to harmless values in a variety of applications.


Technical data

Connections and displays:

  • USB port:
    • Type B female
  • 20mA port:
    • 9-pin SUB-D adapter
  • Operating modes:
    • active or passive mode
    • Full- or half-duplex mode
    • Selectable echo suppression in half-duplex mode
  • Baud rate:
    • 300..19,200 baud
  • Data format:
    • Data bit: 7,8
    • Stop bit: 1,2
    • Parity: odd, even, no, mark, space
  • Signal lines:
    • RxD+/-, TxD+/-
  • Galvanic isolation:
    • Isolation voltage min. 1kV DC between USB and serial connection
  • USB-UART:
    • FTDI FT232R
  • Power supply:
    • 5V DC over USB, optional supply from external 5V power supply
  • Current consumption:
    • max. 200mA
  • Displays:
    • 1x LED Data
      1x LED On Line

Housing and other data:

  • Housing:
    • Plastic housing for top hat rail installation
    • 105 x 22 x 75mm (L x W x H)
  • Enclosure rating:
    • IP20
  • Enclosure rating:
    • IP20
  • Weight:
    • approx. 170g
  • Ambient temperature:
    • Storage: -40..+70°C
    • Operating in non-rowed installation: 0..+60°C
    • Operating in rowed installation 0..+50°C
  • Permissible relative humidity:
    • 5..95% RH (non-condensing)
  • Scope of delivery:
    • Interface, USB <> 20 mA industry
    • USB cable with ferrite bead
    • Product CD with driver and manual in German and English

Accessories

  • Power supplies

    • USB power supply 5V / 0.7A with Euro plug
    • 11045
    • 15.00€
    • Power cable USB A - coax power plug (5.5/2.1mm)
    • 11391
    • 4.00€
  • Cable and Connector Accessories

    • DB9F connection cable with open cable ends, right angled, 1.5m
    • 11903
    • 16.00€
    • 9-pol. SUB D socket with soldering terminals and shielded housing
    • 11904
    • 9.00€
    • 9-pol. SUB D socket with screwing terminal and shielded housing
    • 11905
    • 19.00€
    • USB 2.0 cable, USB A - USB B, with ferrite, 1.8m
    • 11332
    • 9.00€
    • USB 2.0 cable, USB A - USB B, with ferrite, 5m
    • 11335
    • 29.00€
  • Further accessories

    • USB-HUB Industry
    • 33601
    • 198.00€
  • Mechanical Accessories

    • IP wall mount housing, 180 x 130 x 175 mm
    • 11120
    • 49.00€
    • Mounting bracket for wall mounting
    • 58812
    • 9.98€
    • 19" DIN rail
    • 58813
    • 19.00€

* Our offering is intended only for commercial users. We will be happy to refer private end customers to trading partners through whom our products can be purchased.