Related Manuals for Omega RS-232
Summary of Contents for Omega RS-232
- Page 1 User’ s Guide Shop online at www.omega.com e-mail: info@omega.com OMG-USB-232-1 Single 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.
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Page 3: Table Of Contents
ETWEEN ... 7 HYSICAL IMENSIONS A - T PPENDIX ROUBLESHOOTING B - H PPENDIX C - E PPENDIX LECTRICAL RS-232... 10 D - A PPENDIX SYNCHRONOUS E - C PPENDIX OMPLIANCE EDERAL OMMUNICATIONS EMC D IRECTIVE TATEMENT Figure 1 - Asynchronous Communications Bit Diagram...11 Contents ... -
Page 4: Introduction
Introduction Overview The OMG-USB-232-1 equips the PC with 1 USB to RS-232 Asynchronous serial port providing a versatile interface for common RS-232 needs (i.e. modem, mouse and plotter). The advantage of this product over more traditional approaches is that it doesn’t require opening the computer case, nor does it require resources such as I/O ports or IRQ’s. -
Page 5: Installation
Installation Installation Operating System Installation Choose Install Software at the beginning of the CD and select the Serial I/O software drivers and install SeaCOM. System Installation The screen captures below are taken from a Windows ME installation. Your particular operating system may differ slightly from what is shown based on your version of Windows. - Page 6 Installation Since you have already installed the software by running “Setup”, simp ly click “Next” to proceed. The drivers that were installed during setup will automatically be used to configure the adapter. OMG-USB-232-1 Page 3...
- Page 7 Installation Windows has now located a driver and installed the software. Click “Finish” to proceed. You should see one more “New Hardware Found”, indicating the actual port being created. If you view your systems’ Device Manager at this point, you should have a new “COM”...
- Page 8 Installation You can access your new COM: port by using the assigned COM: identifier shown above. In this case, it is COM4: but this assignment will vary from system to system. At this point, the hardware is recognized. To verify operation use the supplied WinSSD diagnostic utility.
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Page 9: Technical Description
The OMG-USB-232-1 utilizes a USB UART. This chip features 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. Refer to Appendix C for cable length limitations. -
Page 10: Specifications
Specifications Environmental Specifications Specification Operating Temperature Range 0º to 50º C (32º to 122º F) Humidity Range 10 to 90% R.H. Non-Condensing Manufacturing All Printed Circuit boards are built to UL 94V0 rating and are 100% electrically tested. These printed circuit boards are solder mask over bare copper or solder mask over tin nickel. -
Page 11: Appendixa - Troubleshooting
TD to RD. If you decide to test the Modem Control Signals, a full pin loopback plug will be required. Details on loopback plugs are included within WinSSD. Contact Omega if you need further assistance When testing the OMG-USB-232-1 in loopback mode, you should see both the TD and RD LED’s flashing as well as seeing echoed data on the screen. -
Page 12: Appendixb - How T O Get Assistance
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, accessible from our home page. -
Page 13: Appendixc - Electrical Interface
Interchange. Both implementations are in wide spread use and will be referred to as RS-232 in this document. RS-232 is capable of operating at data rates up to 20 Kbps at distances less than 50 ft. The absolute maximum data rate may vary due to line conditions and cable lengths. -
Page 14: Appendixd - Asynchronous Communications
Appendix D - Asynchronous Co mmunications Appendix D - Asynchronous Communications Serial data communications implies that individual bits of a character are transmitted consecutively to a receiver that assembles the bits back into a character. Data rate, error checking, handshaking, and character framing (start/stop bits) are pre-defined and must correspond at both the transmitting and receiving ends. -
Page 15: Appendixe - Compliance Notices
Appendix E - Compliance Notices Federal Communications Commission Statement FCC - This equipment has been tested and found to comply with the limits for Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. - 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...