Omega OMG-USB-232-2 User Manual

Dual port rs-232 to usb adaptor

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User' s Guide
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www.omega.com
e-mail: info@omega.com
OMG-USB-232-2
Dual Port RS-232 to USB Adaptor

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Summary of Contents for Omega OMG-USB-232-2

  • Page 1 User’ s Guide Shop online at www.omega.com e-mail: info@omega.com OMG-USB-232-2 Dual Port RS-232 to USB Adaptor...
  • Page 2 Toll Free in United Kingdom: 0800-488-488 e-mail: sales@omega.co.uk It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that apply. OMEGA is constantly pursuing certification of its products to the European New Approach Directives. OMEGA will add the CE mark to every appropriate device upon certification.
  • Page 3: Table Of Contents

    Contents ................1 NTRODUCTION ....................1 VERVIEW ’ ................1 NCLUDED ................2 NSTALLATION ..........2 PERATING YSTEM NSTALLATION ................ 2 YSTEM NSTALLATION ................4 ONFIGURATION ..........4 LECTRICAL NTERFACE ELECTION ............5 ECHNICAL ESCRIPTION ....................5 EATURES RS-232 (DB-9 Male)................ 5 ................6 PECIFICATIONS ............
  • Page 4: Introduction

    USB both in terms of hardware and operating system. What’s Included The OMG-USB-232-2 is shipped with the following items. If any of these items is missing or damaged, contact the supplier. • OMG-USB-232-2 USB to RS-232 Serial I/O Adapter •...
  • Page 5: Installation

    Windows. The OMG-USB-232-2 can be connected to any upstream type “A” port either at the PC host or an upstream hub. The OMG-USB-232-2 is hot pluggable, meaning there is no need to power down your computer prior to installation.
  • Page 6 You can access your new COM: ports by using the assigned COM: identifiers as shown above. In this case, it is COM 3, 4. However, this assignment will vary from system to system. At this point, the hardware is recognized and ready to use. OMG-USB-232-2 Page 3...
  • Page 7: Configuration

    Configuration Configuration Electrical Interface Selection Each of the two ports on the OMG-USB-232-2 is pre-configured as an RS-232 interface. Simply install the included software and connect the adapter to your USB port. The device is immediately recognized by the system. At that point, connect the adapter to your target device (i.e.
  • Page 8: Technical Description

    Specifications Technical Description The OMG-USB-232-2 utilizes two USB UARTs. These chips feature programmable baud rate, data format, 128 byte Dual Port TX Buffer, and 384 byte Dual Port RX Buffer. The RS-232 transceiver supports data rates up to 460.8K baud.
  • Page 9: Specifications

    500 mA per port. Mean Time Between Failures (MTBF) Greater than 150,000 hours. (Calculated) Physical Dimensions Package Length 7.06 inches (17.93 cm) Package Width 5.32 inches (13.51 cm) Package Height 1.50 inches (3.81 cm) OMG-USB-232-2 Page 6...
  • Page 10: Appendixa - Troubleshooting

    LED’s flashing as well as seeing echoed data on the screen. The loopback test first transmits a HEX pattern, 55AA, and then a ASCII string of data. If this test passes, then the OMG-USB-232-2 is ready for use in your application.
  • Page 11: Appendixb - How T Og

    If possible, please have the adapter connected in a computer ready to run diagnostics. Omega Engineering maintains a home page on the Internet. Our home page address is www.omega.com. The latest software updates, and newest manuals are available via our FTP site that can be accessed from our home page.
  • Page 12: Appendixc - Electrical

    (ground) to determine binary logic states. The RS-232 and the EIA/TIA-574 specification define two types of interface circuits, Data Terminal Equipment (DTE) and Data Circuit-Terminating Equipment (DCE). The OMG-USB-232-2 is a DTE device. OMG-USB-232-2...
  • Page 13: Appendixd - Asynchronous

    The data rate and communication parameters for asynchronous communications have to be the same at both the transmitting and receiving ends. The communication parameters are baud rate, parity, number data bits character, stop bits (i.e. 9600,N,8,1). OMG-USB-232-2 Page 10...
  • Page 14: Appendixe - Compliance

    Consult the dealer or an experienced radio/TV technician for help Caution Omega Engineering is not responsible for any radio or television interference caused by unauthorized modifications of this equipment or the substitution of attachment of connecting cables and equipment other than those specified by Omega Engineering.
  • Page 15: Emc Directives

    Always use cabling provided with this product if possible. If no cable is provided or if an alternate cable is required, use high quality shielded cabling to maintain compliance with EMC directives. OMG-USB-232-2 Page 12...
  • Page 16 Department will issue an Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, includ- ing but not limited to mishandling, improper interfacing, operation outside of design limits, improper repair, or unauthorized modification.
  • Page 17 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at www.omega.com TEMPERATURE Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies Wire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorders, Controllers & Process Monitors...

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