Humandata USB-304 User Manual
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Humandata USB-304 User Manual

Usb to rs485/422 converter
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2 Channel
USB to RS485/422 Converter
USB-304
User's Manual
Ver. 1.0
HuMANDATA LTD.

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Summary of Contents for Humandata USB-304

  • Page 1 2 Channel USB to RS485/422 Converter USB-304 User’s Manual Ver. 1.0 HuMANDATA LTD.

  • Page 3: Table Of Contents

    3. Interface Terminal ....................8 4. Setting Switch ....................9 4.1. RS-485/422(4 wire) ....................9 4.2. RS-485(2 wire) ....................10 4.3. Setting Switch (SWA2/SWB2) Function ............10 5. Additional Documentation and User Support ........... 11 6. Warranty and Compensation................11 USB-304 (Ver.1.0)

  • Page 5: Precautions

    Attention Item 7 notwithstanding, HuMANDATA cannot be held liable for the consequences arising from use of this product. HuMANDATA cannot be held liable for consequences arising from using this product in a way different from the uses described herein, or from uses not shown herein.

  • Page 6: Revision History

     Introduction Thank you very much for purchasing our product of USB-304. USB-304 is a 2 channel USB to RS485/RS422 converter that isolated between each RS-485/422 serial port and a USB port. You can use 2 channels of RS-485/422 serial port from a USB port.
  • Page 7 Power LED Connector Receive/Transmit Setting Switch x2 Data LED x2 Front Side (USB) Setting Switch x2 Terminal Block x2 Rear Side (RS-485/422) USB-304 (Ver.1.0)

  • Page 8: Power Supply

    1.1. Power Supply USB-304 is powered through a USB port (Bus-powered). No external power supply is required. 1.2. Block Diagram Between USB and each RS-485/422 serial port are isolated. USB-304 (Ver.1.0)

  • Page 9: Specifications

    TX: Transmit data x2 5pin detachable screw terminal RS-485/422 Connector 3.5mm pitch (PHOENIX CONTACT) Supports OS Windows 10/8.1/8/7/Vista/XP Operating Ambient -20 to 60 °C (-4 to 140 °F) No condensation Temperature permitted Operating Ambient Humidity 30 to 85%RH USB-304 (Ver.1.0)

  • Page 10: Optional Accessories

    Model Name Image Description USB series Attachment with clamping screw PEN-003 JAN：4937920800709 USB series Attachment for 35mm DIN rail PEN-003-DIN JAN：4937920800716 USB series Attachment with neodymium magnet PEN-003-MG JAN：4937920801201 Detachable 5P(3.5mm pitch)Terminal Connector : TB35-USB-5 1840395 (Phoenix) JAN：4937920801287 USB-304 (Ver.1.0)

  • Page 11: Rs-485/422(4 Wire) Mode

    Terminals Configurable by setting switch Terminal Resistor 120 Ω (SWA1/SWB1) ON/OFF Transmit-Receive Automatically controlled Switching by USB controller Available by setting switch Echo Cancellation (SWA2/SWB2) RS-485 mode can communicate with multiple terminals by using a twist pair cable. USB-304 (Ver.1.0)

  • Page 12: Interface Terminal

    3. Interface Terminal Terminal block is pluggable. Do not remove it while the power is supplied. Pin Number Signal Signal and Polarity The GND(Ground) pin is recommended to be wired. Channel A Connection USB-304 (Ver.1.0)

  • Page 13: Setting Switch

    4. Setting Switch USB-304 can change operating mode by setting, switching echo cancelling and terminal resistor. 4.1. RS-485/422(4 wire) SWA2/SWB2 Factory Setting 4 wire * Please refer to Section 4.3 SWA1/SWB1 No termination SWA1/SWB1 Transmit Side termination SWA1/SWB1 Receive Side...

  • Page 14: Rs-485(2 Wire)

    Enable  Echo Cancelling Disable (echo enable) SWA2/SWB2 2 wire 4.3. Setting Switch (SWA2/SWB2) Function SWA2-1/SWB2-1 DE (Transmit enable) Control Always Enable Enable in Transmission SWA2-2/SWB2-2 Echo Control Echo Cancelling Enable (no echo) Echo Cancelling Disable (echo enable) USB-304 (Ver.1.0)

  • Page 15: Additional Documentation And User Support

    5. Additional Documentation and User Support The following documents and other supports are available at http://www.hdl.co.jp/en/faspc/USB/usb-304 Device Driver  Outline Drawing  … and more. 6. Warranty and Compensation Please refer to the following URL for the warranty. http://www.fa.hdl.co.jp/en/fa-warranty.html USB-304 (Ver.1.0)
  • Page 16 2 Channel USB to RS485/422 Converter USB-304 User’s Manual Ver. 1.0 ........... Nov. 17, 2017 HuMANDATA LTD. Address: 1-2-10-2F, Nakahozumi, Ibaraki Osaka, Japan ZIP 567-0034 Tel: 81-72-620-2002 (Japanese) Fax: 81-72-620-2003 (Japanese/English) URL: http://www.fa.hdl.co.jp (Japan) http://www.fa.hdl.co.jp/en(Global)

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