SeaLevel Ultra-COMM+2/422.PCIe User Manual
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SeaLevel Ultra-COMM+2/422.PCIe User Manual

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Ultra-COMM+2/422.PCIe
User Manual | 7204e and 7204eS
1
© Sealevel Systems, Inc.
7204e Manual | SL9244 11/2022

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Summary of Contents for SeaLevel Ultra-COMM+2/422.PCIe

  • Page 1 Ultra-COMM+2/422.PCIe User Manual | 7204e and 7204eS © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...

  • Page 2: Table Of Contents

    APPENDIX B – HANDLING INSTRUCTIONS ..................... 31 APPENDIX C – ELECTRICAL INTERFACE ......................32 APPENDIX D – ASYNCHRONOUS COMMUNICATIONS .................. 33 APPENDIX E – MECHANICAL DRAWING ......................34 WARRANTY ................................ 35 ....................................© Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...

  • Page 3: Introduction

    This allows the 7204e to be used with standard serial communications applications and removes the risk of bus contention and data corruption. The Sealevel SeaCOM software driver and utilities make installation and operation easy XP, Vista, Windows 7, and Windows 8 operating systems.

  • Page 4: Before You Get Started

    Before You Get Started What’s Included Depending on the PC bracket ordered, the 7204e is shipped with the following items. If any of these items are missing or damaged, please contact Sealevel for replacement. • Ultra-COMM+2.422.PCIe – Two-Port 422/485 Serial Interface 7204e –...
  • Page 5 Optional Items Depending upon your application, you are likely to find one or more of the following items useful with the 7204e. All items can be purchased from our website (www.sealevel.com) by calling our Sales team at +1 864-843-4343. DB9F to DB9M Extension Cable (Item# CA127) The CA127 allows users to extend a DB9 cable up to six feet.

  • Page 6: Hardware Description

    DB25M Serial Connectors The 7204e ships with a two-port cable (Item# CA203) that includes four DB9 male serial connectors. The pin out for these connectors is detailed in the following Technical Description section. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...

  • Page 7: Technical Description

    DB25M connector is shown in the table below. Port 1 Pin# Port 2 Pin# RS-422/485 RD – CTS – RD + TD – RTS – RTS + TD + CTS + © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 8 Transmit Data Positive Output Ground RTS + Request to Send Positive Output RTS – Request to Send Negative Output CTS – Clear to Send Negative Input CTS + Clear to Send Positive Input © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 9 19.2K bps 2400 bps 38.4K bps 4800 bps 57.6K bps 7200 bps 115.2 K bps 14.4K bps 230.4K bps 28.8K bps 460.8K bps 57.6 K bps 921.6K bps 115.2 K bps © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 10 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 921.6K bps © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...

  • Page 11: Hardware Configuration

    Adds or removes 1 KΩ pull-up resistor in RS-422/485 mode Adds or removes 1 KΩ pull-down resistor in RS-422/485 mode Connects TX– to RX– for RS-485 two-wire operation Connects TX+ to RX+ for RS-485 two-wire operation © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 12 The location of the dipswitches is outlined in green in the image below. The default configuration settings are shown in drawing. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 13 ‘M1’ and ‘M0’ are used to select the electrical interface. To simplify installation and testing the board is shipped in RS-422 mode. Use the settings in the table below to assist you in configuring the electrical interface. Interface RS-422 [Default] RS-485 ECHO Enabled RS-485 No ECHO © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 14 Off to remove Adds 1 KΩ pull-down resistor in RS-422/485 OFF to remove ON to connect TX– to RX– for RS-485 two-wire ON to connect TX+ to RX+ for RS-485 two-wire © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...

  • Page 15: Software Installation

    7. The software is now installed, and you can proceed with the hardware installation. To install Sealevel software, you must log in as an administrator or have administrator privileges in Windows. All Sealevel Systems software drivers have been fully tested by Sealevel. Clicking “OK”...
  • Page 16 OSs it will be found in the ‘Programs and Features’ list. 3. Navigate to the Device Manager and remove the Sealevel adapter by right clicking on the line item choosing ‘Uninstall’. Depending on your product, it can be found under either ‘Multiport Serial adapters’...

  • Page 17: Hardware Installation

    1. After the software installation is complete, install the 7204e into an available PCI Express slot and boot the computer. 2. A ‘Found New Hardware’ alert will appear above the system tray. 3. If the alert bubble is clicked, the following window will appear. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 18 X) (COMYY)’ where X is the port number on the card, and YY is the COM number the OS has assigned to the ports. The COM numbers can be reassigned at any time. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 19 The 7204e is now ready for use. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 20 3. In the left pane under ‘System Tools’, click ‘Device Manager’. 4. In right pane near the bottom, expand the ‘Multi-port serial adapters’ section by clicking the arrow ‘>’ symbol. 5. Locate the 7204e device in the listing. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 21 7. Confirm that you want to uninstall the device by clicking the ‘OK’ button. This will remove the hardware, COM ports and all registry entries from your computer. Clicking the ‘Cancel’ button will keep the device installed. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 22 8. The window will refresh and the entry for the device will no longer appear. Proceed with removing the software on the following pages. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 23 5. The ‘SeaCOM – InstallShield Wizard’ window will appear along with a dialog box asking you to confirm. Click the ‘Yes’ button to continue. 6. When the uninstallation completes, click the ‘Finish’ button to close the window. Click the ‘Ok’ button on the dialog box. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...

  • Page 24: Hardware Removal

    With the device still installed in a PCI Express slot, install the latest version of SeaCOM. You can download the latest version of SeaCOM from the product page on the Sealevel website. Follow the software installation steps detailed in the preceding ‘Software Installation’ section.

  • Page 25: Technical Specifications

    218mA (0.7W) 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. © Sealevel Systems, Inc.

  • Page 26: Appendix A - Troubleshooting

    Appendix A – Troubleshooting Once you have confirmed that the serial adapter COM ports are listed in Device Manager, use the Sealevel WinSSD utility to verify communications. Detailed help is included in the WinSSD utility. Please set the adapters Electrical Interface for RS-422.
  • Page 27 This will first open the COM port. From this tab the port can also be closed (See image below). Click the ‘Settings’ button to open the COM Port Properties dialog box. This will allow the Port Settings to be altered. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 28 Change your parameters to 9600 bits per second, 8 data bits, no parity, 1 stop bit, and no flow control, as pictured below. Click ‘Apply’ and ‘OK’. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 29 In the main WinSSD window, click on the ‘BERT’ tab (Bit Error Rate test). Click on the ‘Start’ button. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...
  • Page 30 Receive Frames will increase. The Tx and Rx Data Rates will show the calculated data rate. This verifies that the adapter is working properly. You can continue testing this port with different configurations or proceed with testing other ports, if necessary. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...

  • Page 31: Appendix B - Handling Instructions

    Keep work area free of non-conductive materials such as ordinary plastic assembly aids and • Styrofoam. • Use field service tools such as cutters, screwdrivers, and vacuum cleaners that are conductive. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...

  • Page 32: Appendix C - Electrical Interface

    RS-485 tri-state driver (not dual-state) will allow the electrical presence of the driver to be removed from the line. Only one driver may be active at a time and the other driver(s) must be tri-stated. © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...

  • Page 33: Appendix D - 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. 7204e Manual | SL9244 11/2022...

  • Page 34: Appendix E - Mechanical Drawing

    Appendix E – Mechanical Drawing © Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022...

  • Page 35: 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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