SeaLevel ULTRA COMM+I.PCI 7103 User Manual
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SeaLevel ULTRA COMM+I.PCI 7103 User Manual

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ULTRA COMM+I.PCI™
User Manual | 7103
1
© Sealevel Systems, Inc.
7103 Manual | SL9161 7/2021

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Summary of Contents for SeaLevel ULTRA COMM+I.PCI 7103

  • Page 1 ULTRA COMM+I.PCI™ User Manual | 7103 © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...

  • Page 2: Table Of Contents

    APPENDIX D – GROUND LOOP PHENOMENON ....................18 APPENDIX E - ASYNCHRONOUS COMMUNICATIONS ..................19 APPENDIX F - SILK SCREEN ..........................20 APPENDIX G - COMPLIANCE NOTICES ......................21 WARRANTY ................................ 22 © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...

  • Page 3: Introduction

    Introduction The Sealevel Systems ULTRA COMM+I.PCI is a single channel isolated PCI Bus serial I/O adapter for the PC and compatibles. Utilizing the Exar 16C850 UART with its industry leading 128 byte FIFOs, it provides a field selectable RS-232/422/485 serial port supporting data rates up to 460.8K bps (RS-422/485).

  • Page 4: Before You Get Started

    Before You Get Started What’s Included The ULTRA COMM+I.PCI is shipped with the following items. If any of these items are missing or damaged, please contact Sealevel for replacement. • ULTRA COMM+I.PCI Serial I/O Adapter Advisory Conventions Warning The highest level of importance used to stress a condition where damage could result to the product, or the user could suffer serious injury.
  • Page 5 Factory Default Settings The ULTRA COMM+I.PCI factory default settings are as follows: Port # Electrical Specification RS-422 Port 1 To install the ULTRA COMM+I.PCI using factory default settings, refer to Installation. © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...

  • Page 6: Card Setup

    Figure 4 - RS-485, 2-wire with Echo 2-Wire RS-485 1 2 3 4 5 6 7 8 9 10 NO Echo 1 2 3 T P P L L E Figure 5 - RS-485, 2-wire without Echo © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...
  • Page 7 (silk-screen ‘RT’ switch position 4), or ‘Auto’ enable (silk-screen ‘AT’ switch position 3). The ‘Auto’ enable feature automatically enables/disables the RS-485 interface. The ‘RTS’ mode uses the ‘RTS’ modem control signal to enable the RS-485 interface and provides backward compatibility with existing software products. © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...
  • Page 8 1 to the ‘On’ position (silk-screen D1). Divide by Divide by 4 mode 1 mode 1 2 3 4 1 2 3 4 Figure 7 - Clocking Modes © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...
  • Page 9 If your communications package allows the use of Baud rate divisors, choose the appropriate divisor from the following table: For this Data Rate Choose this Divisor 1200 bps 2400 bps 4800 bps 9600 bps 19.2K bps 38.4K bps 57.6K bps 115.2K bps 230.4K bps 460.8K bps © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...

  • Page 10: Installation

    Linux releases. Also included is a series of files explaining proper Linux syntax and typical Linux serial implementations. For the most up to date information on the QNX4 and QNX6 software support, please call Sealevel Systems’ Technical Support, (864) 843-4343. Our technical support is free and available from 8:00AM-5PM Eastern Time, Monday through Friday.

  • Page 11: Hardware Installation

    4. Gently insert the ULTRA COMM+I.PCI into the slot. Make sure that the adapter is seated properly. 5. Replace the screw. 6. Replace the cover. 7. Connect the power cord. Installation is complete. © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...

  • Page 12: Technical Description

    Technical Description The Sealevel Systems ULTRA COMM+I.PCI provides a PCI interface adapter with an isolated asynchronous serial port providing a versatile interface, field selectable as RS-232 for modems, printers, and plotters, as well as RS-422/485 for industrial automation and control applications. Isolation is important in installations where the equipment being connected to the PC is either far from the PC, or on a different power transformer circuit.

  • Page 13: Specifications

    10 to 90% R.H. Non-Condensing Manufacturing All Sealevel Systems 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. Power Consumption...

  • Page 14: Appendix A - Troubleshooting

    Appendix A – Troubleshooting A Serial Utility Diskette is supplied with the Sealevel Systems adapter and will be used in the troubleshooting procedures. By using this diskette and following these simple steps, most common problems can be eliminated without the need to call Technical Support.

  • Page 15: Appendix B - How To Get Assistance

    If possible, please have the adapter installed in a computer ready to run diagnostics. 3. Sealevel Systems provides an FAQ section on its web site. Please refer to this to answer many common questions. This section can be found at http://www.sealevel.com/faq.asp.

  • Page 16: Appendix C - Electrical Interface

    1 driver and up to 32 receivers on the line at once. RS-422 signal levels range from 0 to +5 volts. RS-422 does not define a physical connector. © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...
  • Page 17 (Tx+ to Rx+ and Tx- to Rx-). Four wire mode allows full duplex data transfers. RS-485 does not define a connector pin-out or a set of modem control signals. RS-485 does not define a physical connector. © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...

  • Page 18: Appendix D - Ground Loop Phenomenon

    This condition will cause data errors and possibly destruction of the receiver circuit. DATA+ DATA- Isolated Isolated Ground Adapter Adapter Isolation Barrier Figure 8 – ULTRA COMM+I.PCI cabling example © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...

  • Page 19: Appendix E - Asynchronous Communications

    The communication parameters are baud rate, parity, number of data bits per character, and stop bits (i.e., 9600,N,8,1). © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...

  • Page 20: Appendix F - Silk Screen

    Appendix F - Silk Screen 3.5" 4.9" © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...

  • Page 21: Appendix G - Compliance Notices

    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 FCC/EMC directives. © Sealevel Systems, Inc. 7103 Manual | SL9161 7/2021...

  • Page 22: Warranty

    Sealevel's commitment to providing the best I/O solutions is reflected in the Lifetime Warranty that is standard on all Sealevel manufactured I/O products. We are able to offer this warranty due to our control of manufacturing quality and the historically high reliability of our products in the field. Sealevel products are designed and manufactured at its Liberty, South Carolina facility, allowing direct control over product development, production, burn-in and testing.

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