2128 User Manual
Contents
1. E mej H piil ca i J mi de ae E fas k E tL ELLE 1 meat a AA LB HE nit one obi is r i oe f3 E Se o rs Standard Height PC Bracket The 2128 includes a standard height PC bracket intended for mounting directly to a computer chassis The board can be installed in any available PC slot in your computer The PC bracket can be removed and the board panel mounted using the included jack screws Embedded USB Connector The 2128 has a right angle 4 pin 2mm locking header connector The header is used for attaching the included USB cable Item CA260 which connects to most common motherboards Additional cables are available as accessories The mating connector is Molex 35507 0400 DB9M Serial Connectors The 2128 includes one DB9M serial connector with full modem control signals implemented in RS 232 mode Pin outs for the connector is included in the following Electrical Specifications section Sealevel Systems Inc 16 SeaLINK PC SC User Manual Electrical Specifications The 2128 connects to a single USB port and provides one RS 232 422 485 software configurable serial port The 2128 utilizes high speed USB UARTs with 128 byte Tx FIFOs and 384 byte Rx FIFOs The chips feature programmable baud rates and data rates to 921 6K bps Connector Pinouts RS 232 DB9 Male Note Pins 6 9 are no connect RS 485 Two Wire DB9 Male Note Pins2. O Sealevel Systems Inc 10 SeaLINK PC SC User Manual Hardware Installation continued 9 When the Found New Hardware alert informs you that your hardware is installed and ready to use you can proceed with verifying the installation to check functionality and or locate the COM port assignments 1f necessary J Po o i Found New Hardware Your new hardware is installed and ready to use Sealevel Systems Inc 11 SeaLINK PC SC User Manual Verifying Installation To confirm that the drivers have been successfully installed you can look in Device Manager under Ports COM amp LPT and each of the ports you installed will be included on the list with their associated COM numbers To access Device Manager follow the steps below 1 Right click on the My Computer icon on your desktop or in the Start menu 2 Click on Properties in the fly out menu to launch the System Properties window UY Click on the Hardware tab and then click on the Device Manager button 4 When Device Manager launches look under Ports COM amp LPT to verify that the serial ports have been correctly installed screenshot of 2228 shown only one port will be listed for the 2128 Note Your system will assign the next available COM numbers which may vary for each computer used E Device Manager E E EJ Fie Action View Help amp E F Computer z Disk drives E Display a
3. 1 2 6 9 are no connect Sealevel Systems Inc sie SeaLINK PC SC User Manual Technical Specifications Dimensions Environmental Specifications Specification AS Temperature Range sees PNE A E p 5 Pa 158 F 58 F 221 F Humidity Range 10 to 90 R H 10 to 90 R H y E Non Condensing Non Condensing Power Requirements This device should be plugged directly into a USB port on your computer capable of supplying 200 mA per port Some computers running on battery power may not provide the 200mA necessary to power this device 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 O Sealevel Systems Inc 18 SeaLINK PC SC User Manual Appendix A Troubleshooting The adapter should provide years of trouble free service However in the event that it appears to be functioning incorrectly the following tips can eliminate most common problems without the need to call Technical Support 1 Ensure that the Sealevel Systems SeaCOM software has been installed on the machine so that the necessary files are in place to complete the installation To confirm installation click on the Windows Start button and then select All Programs You should see the SeaCOM program folder listed Note The SeaCOM driver must be installed befo
4. Exit Hep Rates will show the calculated data rate Pictured below C WAnS5D COM 9600 E N 1 None Port Information Loopback BERT Terminal Bit Error Rate Test Transmit Frames Receiwe Frames Bytes Checked Bit Errors Syne Losses Tx Data Rate Rs Data Rate Sync Status Test Time 000 00 15 You can continue testing this port with different configurations or 0 S600 bps S600 bps Reset Stats proceed with testing other ports if necessary If these steps do not solve your problem please call Sealevel Systems Technical Support 864 843 4343 Our technical support is free and available from 8 00 AM E RTS Toggle DTR O E DSR Al Dco O E wit to 5 00 PM Eastern Time Monday through Friday For email support contact supportO sealevel com O Sealevel Systems Inc 2 Ve SeaLINK PC SC User Manual Appendix B How To Get Assistance Begin by reading the Troubleshooting Guide in Appendix A This will help solve most common problems When calling for technical assistance please have the device installed and ready to run diagnostics If possible have your user manual and current adapter settings ready The Sealevel website is an excellent resource Our homepage is located online at http www sealevel com The most current software updates and user manuals are available via our homepage by clicking on the Drivers or Manuals links located under Technic
5. operation easy for Windows 98SE ME 2000 XP and Vista operating systems Once the software is installed plug the 2128 into an available USB port and the serial port is recognized as a standard COM port by the host system enabling compatibility with legacy software Serial data rates to 921 6K bps are supported The 2128 includes a standard sized PC bracket and ships with an internal USB cable Item CA260 that is compatible with many EBX and larger sized motherboards with 0 1 USB header connectors For EPIC and smaller sized motherboards an internal USB cable with a 2mm header connector Item CA383 is available as an option Standard operating temperature range is 0 C to 70 C and extended temperature range 40 C to 85 C is optional Features Serial port is software configurable for RS 232 RS 422 and two wire or four wire RS 485 High speed UART with 128 byte Tx FIFO and 384 byte Rx FIFO Automatic hardware RS 485 enable disable One DB9M connector serial port supports data rates to 921 6K bps Powered by USB host connection Full modem control signals implemented in RS 232 mode Includes 14 internal USB header cable Item CA260 Sealevel Systems Inc 1 SeaLINK PC SC User Manual Before You Get Started What s Included The SeaLINK PC SC is shipped with the following items If any of these items is missing or damaged please contact Sealevel for replacement m 2128 USB to RS 232 422 485 Single Port Ser
6. to do 2 Install the software automatically Recommended Install from a list or specific location Advanced Click Next to continue MECO Jie 5 The Hardware Wizard will search for the proper drivers however it may be interrupted by a message stating that the hardware has not passed Windows certification Click on Continue Anyway Note All SeaCOM software and drivers have been fully tested by Sealevel Clicking Continue anyway will not harm your system Sealevel Systems Inc 9 SeaLINK PC SC User Manual Hardware Installation continued 6 The appropriate drivers for your SeaLINK device and version of Windows will be installed as shown the single port model name will be SeaLINK PC SC Found New Hardware Wizard Please wait while the wizard installs the software 2 SeallME 2 PE SE USB to Serial Converter Port 1 Setting a system restore point and backing up old files in case your system needs to be restored in the future Back Next gt Cancel 7 Click Finish to complete the installation of your hardware the single port model name will be SeaLINK PC SC Found Hew Hardware Wizard Completing the Found New Hardware Wizard The wizard has finished installing the software for 2 SeaLINK 2 PC 5C USE to Serial Converter Port 1 Click Finish to close the wizard 8 The Found New Hardware Wizard appears a second time repeat steps 4 8
7. ENDIX B HOW TO GET ASSISTANCE esesesesesescceccocceocococococococococococococococosocososococoso 22 APPENDIX C ELECTRICAL INTERFACES z cccsccsccccscesccccsccscccccccscesccccscesccss 23 APPENDIX D ASYNCHRONOUS COMMUNICATIONS 1 ccessscccssccccsccccccscess 24 APPENDIX E CAD DRA WINGS 2128 c cescccosccscccsccccscesccccscesccccsccscccccccscesccccscescccs 25 APPENDIX F COMPLIANCE NOTICES ccccsccccccccccccccccccccccccccccccccccccccccccccecs 26 FEDERAL COMMUNICATIONS COMMISSION STATEMENT csccsceccscecececscecescsceccscecescecsesceses 26 VARRANT Y naaa O E recsaneeesaetines 27 Sealevel Systems Inc SeaLINK PC SC User Manual SL9206 Revision 2 2009 Introduction Sealevel s SeaLINKO 2128 is a single port embedded USB to multi interface serial adapter intended for mounting directly to a computer chassis eliminating the need for an external converter and providing a clean professional installation All configuration and electrical interface selections are handled through the driver so you never need to open the enclosure to set jumpers or switches The serial port 1s software configurable for RS 232 RS 422 and RS 485 with the electrical interface settings maintained locally allowing the host computer to be repaired or upgraded without reconfiguring the serial port Sealevel SeaCOM USB software drivers and utilities make installation and
8. SeaLINK PC SC User Manual es At a ach wee Eb aa A ace A Se biti Pi i i aC A E li oe a e yo 1 t i F Y ah toh i qe wa s E ih ee ath He as Ai A AAA A Wah 3 gt ii ania n et a o i oh F A o a A a a EE Y r E MN A a E a gt Se s en a a r ail ltem Number 2128 SYSTEMS INCORPORATED www sealevel com PO Box 830 Liberty SC 29657 864 843 4343 Table of Contents INTRODUCTION iotunscnuistarenes senior E loteo dieta N EA 1 BEFORE YOU GEE STARTED iio 2 ANAT NO O y AAA A eaters eat 2 OPTIONAL A II A E 2 INSTALLATION CONFIGURATION ccccccccccscccccccccccccccccccccccccccccccccccccccccccoes 4 SOBTWARE NS TALLA TON at ctas ici ias ostias 4 HARDWARE INS TALLA TON ee iO 8 VERIFYING INSTALLATION era e a A O amine aah eh ia 12 HARDWARE CONFIGURATION cccsceccsceccsceccscecscsceccececeececeecscscecesteceseececescscsescesescecescecseseeees 13 HARDWARE DESCRIPTION stb vtidanicinssabsdcccavnsatvccsadeuecdachauesdecdawaddavaadeacawesebacecostvedecests 16 FLECTRICAL SPE GERICA TIONS ita ded evenaueeiehedecstadareuesinededonesanaed aks 17 CONNECTOR PINO US alba E 17 TECHNICAL SPECIETCADIONS iii 18 DIMENSIONS Sancti lead ce eae pc et oo El ce ato dt E ees 18 ENVIRONMENTAL PECIRICATTON Suera la iia aloes 18 POWER E QUIREMENTS sarria 18 MENO ACTER IN ps a e an ee eee 18 APPENDIX A TROUBLESHOOTING 20 co eta e ntaio La Lao EL a 19 APP
9. al Support Manuals and software can also be downloaded from the product page for your device The FAQ section of our website answers many common questions Refer to this helpful resource by visiting http www sealevel com faq asp Technical support is available Monday through Friday from 8 00am to 5 00pm EST and can be reached by phone at 1 864 843 4343 or via email at support sealevel com RETURN AUTHORIZATION MUST BE OBTAINED FROM SEALEVEL SYSTEMS BEFORE RETURNED MERCHANDISE WILL BE ACCEPTED AUTHORIZATION CAN BE OBTAINED BY CALLING SEALEVEL SYSTEMS AND REQUESTING A RETURN MERCHANDISE AUTHORIZATION RMA NUMBER Sealevel Systems Inc DD SeaLINK PC SC User Manual Appendix C Electrical Interfaces RS 232 Quite possibly the most widely used communication standard is RS 232 This implementation has been defined and revised several times and is often referred to as RS 232 or EIA TIA 232 The IBM PC computer defined the RS 232 port on a 9 pin D sub connector and subsequently the EIA TIA approved this implementation as the EIA TIA 574 standard This standard is defined as the 9 Position Non Synchronous Interface between Data Terminal Equipment and Data Circuit Terminating Equipment Employing Serial Binary Data 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 da
10. alevel and to use the original shipping container or equivalent Warranty is valid only for original purchaser and is not transferable Sealevel Systems assumes no liability for any damages lost profits lost savings or any other incidental or consequential damage resulting from the use misuse of or inability to use this product Sealevel Systems will not be liable for any claim made by any other related party This warranty applies to Sealevel manufactured Product Product purchased through Sealevel but manufactured by a third party will retain the original manufacturer s warranty Sealevel Systems Incorporated 2779 Greenville Highway P O Box 830 Liberty SC 29657 USA 864 843 4343 FAX 864 843 3067 www sealevel com email supportOsealevel com Technical Support is available Monday Friday from 8 a m to 5 p m Eastern time Trademarks Sealevel Systems Incorporated acknowledges that all trademarks referenced in this manual are the service mark trademark or registered trademark of the respective company O Sealevel Systems Inc 276 SeaLINK PC SC User Manual
11. ansmitted 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 Asynchronous communications is the standard means of serial data communication for PC compatible and PS 2 computers The original PC was equipped with a communication or COM port that was designed around an 8250 Universal Asynchronous Receiver Transmitter UART This device allows asynchronous serial data to be transferred through a simple and straightforward programming interface A starting bit followed by a pre defined number of data bits 5 6 7 or 8 defines character boundaries for asynchronous communications The end of the character is defined by the transmission of a pre defined number of stop bits usually 1 1 5 or 2 An extra bit used for error detection is often appended before the stop bits The diagram below demonstrates asynchronous communication bits Idle state of Odd Even ing ___ ___ _ 5 to 8 Data Bits ________ RE ao O 4 A l y y E T A E A ee d 2 a A lpr ATRN 1 i aes on my AI MO A A E O RNS nl 0 lou macia Mae el H 1 5 L 2 This special bit is called the parity bit Parity is a simple method of determining if a data bit has been lost or corrupted during transmission There are several methods for implementing a parity ch
12. ct the appropriate electrical interface for your application and click on OR Note The electrical interface settings are maintained across multiple computers Once the SeaCOM software driver has been installed on target computers the 2128 can easily be moved from one computer to another without having to configure the electrical interface at each computer Sealevel Systems Inc 13 SeaLINK PC SC User Manual Interface Biasing 1K ohm pull up pull down combination resistors bias the receiver inputs and are handled automatically for each mode The pull up PU and pull down PD resistor settings are shown in the table below PU Setting PD Setting RS 232 Always Off Always Off RS 422 Always Off Always Off RS 485 Always On Always On Line Termination A 120 ohm resistor is across each RS 422 485 input If multiple devices are configured in an RS 485 network only the devices on each end should have the termination in place Termination configuration is software selectable for both full and half duplex RS 485 By default line termination is disabled and this configuration can be set by placing a check next to Enable Termination in the RS 485 Advanced Configuration field as shown in the image below screenshot of 2228 shown Seal INK 2 PC SC USB to Serial Port COM6 Properties P X General EEES Interface Settings Driver Details F SeaLIMK 2 PC SC USE to Serial Port COME i Intertac
13. dapters a2 DYDCO ROM drives Floppy disk controllers q Floppy disk drives 42 IDE ATAJATAPI controllers Keyboards Mice and other pointing devices 2 Monitors E8 Network adapters 4 Ports COM amp LPT A Communications Port COML A Communications Port COMP e ECP Printer Port LPT1 yf SeaLINK 2 PC 5C USB to Serial Pork COM de Processors F Ee Ee Sealevel Systems Inc P lt SeaLINK PC SC User Manual Hardware Configuration Electrical Interface Mode Selection The 2128 offers RS 232 RS 422 and RS 485 full and half duplex modes The electrical interface 1s a software selectable feature that can be accessed and changed using the Sealevel SeaCOM driver via Device Manager To select the electrical interface follow the steps below 1 Open Device Manager and locate Ports COM amp LPT following the steps above You should see the 2128 s port listed 2 Select the port by right clicking on it and selecting Properties from the fly out menu The serial port properties menu will appear 3 Click on the Interface Settings tab screenshot of 2228 shown Note The Sealevel SeaCOM driver adds the Interface Settings tab If this tab is missing SeaCOM is not correctly installed Seal INK 2 PC SC USB to Serial Port COM6 Properties PFX General Port Settings Interface Settings Driver Details F SeaLINK 2 PC SC USB to Serial Port COME Tam 4 Sele
14. e R5 455 w A5 485 Advanced Configuration Tx Mode Half Duplex we Enable Termination Enable Echo Sealevel Systems Inc 14 SeaLINK PC SC User Manual Echo The RS 485 Echo is the result of connecting the receiver inputs to the transmitter outputs Each time a character is transmitted it is also received This can be beneficial if the software can handle echoing i e using received characters to throttle the transmitter but it can also confuse the system if the software cannot support echoing Echo configuration is software selectable for half duplex RS 485 By default ECHO is disabled and this configuration can be set by placing a check next to Enable Echo in the RS 485 Advanced Configuration field as pictured below screenshot of 2228 shown Seal INK 2 PC SC USB to Serial Port COM6 Properties fX General Port Settings Interface Settings Driver Details F SeaLINK 2 PC SC USE to Serial Port COME i Interface AS 485 A5 485 Advanced Configuration Tx Mode Half Duplex Enable Termination Enable Echo Sealevel Systems Inc 15 SeaLINK PC SC User Manual Hardware Description en paitre PHI of Res t E E i gt dh ET i G E La La E 4 na a ea MEELEL ia EE EED ca o e Tri ool ana E EE pe Ee gtr MUA ELE i oo l i J Ay ie E Tatil i 4 wwe HAWN E i E
15. eck to guard against data corruption Common methods are called E ven Parity or O dd Parity Sometimes parity is not used to detect errors on the data stream This is refereed to as N o parity Because each bit in asynchronous communications is sent consecutively it is easy to generalize asynchronous communications by stating that each character is wrapped framed by pre defined bits to mark the beginning and end of the serial transmission of the character 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 of data bits per character and stop bits i e 9600 N 8 1 Sealevel Systems Inc 2A SeaLINK PC SC User Manual Appendix E CAD Drawings 2128 0 363 0 363 h 0 138 0 138 A GO O 0 137 D0 169 2X D0 126 2X 2 420 ALL DIMENSIONS ARE INCHES D0 124 4X J WHO 0 331 k i lt 0 246 0 396 0 246 gt lt _ D Sealevel Systems Inc E SeaLINK PC SC User Manual Appendix F 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 This equipment ge
16. evice Type in the part number for your device Item 2128 or select it from the list in the drop box 6 Click the Install Drivers button to launch the Installation Wizard 7 When the SeaCOM InstallShield Wizard window appears click the Next button to initiate the software installation SeaCOM InstallShield Wizard Welcome to the InstallShield Wizard for SeaCOM The InstallShield Wizard will install SeaCOh on your computer To continue click Next Cancel Sealevel Systems Inc Avs SeaLINK PC SC User Manual Software Installation continued 8 When the License Agreement window appears accept the terms and click Next to continue You can click the Print button to print out a copy of the agreement for your records If you do not accept the terms of the agreement the installation will stop SeaCOM InstallShield Wizard License Agreement Please read the following license agreement carefully License Agreement This software is licensed solely for use with a sealevel Systems Incorporated product The user may operate the softrare only when utilizing the affiliated Sealevel Systems Incorporated product This license is in effect until terminated by Sealevel Systems Incorporated or the user The user a may terminate the license only if the provided Bi 51 do not accept the terms of the license agreement 9 When the Ready to Install the Program window appears c
17. ial Interface Adapter CA260 Internal USB Header Cable 14 in Length Sealevel Software CD SeaCOM software and user manual Optional Items Depending upon your application you are likely to find one or more of the following items useful All items can be purchased from our website http www sealevel com or by calling our sales team at 864 843 4343 Cables Internal USB Cable for 2mm Box Headers Item CA383 The CA383 cable has a 1x4 2mm Molex connector for connecting to Sealevel embedded USB products The other end has a 1x4 2mm box header connector found on very small motherboards Internal USB Cable for 2mm Molex Connectors Item CA382 The CA383 cable has a 1x4 2mm Molex connector for connecting to Sealevel embedded USB products The other end has a 1x4 2mm Molex connector compatible with Sealevel embedded USB hubs and other devices DB9F to DB25M RS 232 Extension Cable Item CA177 The CA177 is a standard AT style RS 232 modem cable with a DB9F connector on one end and a DB25M connector on the other This cable is 72 inches in length DB9F to DB9M Extension Cable Item CA127 The CA127 allows users to extend a DB9 cable up to six feet The connectors are pinned one to one so the cable is compatible with any device or cable that has DB9 connectors Sealevel Systems Inc aD SeaLINK PC SC User Manual Terminal Blocks Terminal Block DB9F to 9 Screw Terminals Item TBO05 The TBO5 term
18. inal block breaks out a DB9 connector to nine screw terminals to simplify field wiring of serial connections including RS 422 and RS 485 networks The TBOS is designed to connect directly to Sealevel DB9 serial cards or any cable with a DB9M connector Terminal Block Dual DB9F to 18 Screw Terminals Item TB06 The TB06 terminal block breaks out dual DB9 connectors to 18 screw terminals to simplify field wiring of serial connections including RS 422 and RS 485 networks The TB06 is designed to connect directly to Sealevel dual port DB9 serial cards or any cable with DB9M connectors Adapters and Converters DB9F to RJ45 Modular Adapter Item RJ9S8 The RJ9S8 is a DB9 female to RJ45 adapter It can be configured without tools and it is an excellent choice for using available infrastructure wiring Sealevel Systems Inc Js SeaLINK PC SC User Manual Installation amp Configuration Software Installation Windows 98 ME 2000 XP Vista Operating Systems F Do not connect the device to a USB port until the software has been successfully installed 1 Start Windows 2 Insert the Sealevel Software CD in to your CD drive 3 If Auto Start is enabled the installation window will automatically appear Otherwise navigate to the root directory of your CD drive and double click the autorun exe application to launch the installation window 4 Select Install to locate the software and manual for your d
19. lick the Install button to install the software onto the hard drive of your computer The files will be automatically installed into the C Program Files folder on your computer SeaClOM InstallShield Wizard Ready to Install the Program The wizard i ready to begin installation Click Install to begin the installation IF you want to review or change any of your installation settings click Back Click Cancel to exit the wizard Cancel Sealevel Systems Inc 25s SeaLINK PC SC User Manual Software Installation continued 10 A dialog box will appear as shown with important information Click the OK button to continue SeaCOM InstallShield Wizard During installation you may receive a Warning indicating drivers being installed may not be certified by Microsoft s certification labs IF you receive this message you should click yes to allow installation All applications and drivers have been Fully tested to maintain the integrity of your operating system 11 During installation you may receive a warning dialog stating The publisher cannot be determined due to the problems below Authenticode signature not found Click the Yes button to proceed with the installation This declaration means that SeaCOM has not been certified by Microsoft s testing labs Note All SeaCOM software and drivers have been fully tested by Sealevel Clicking Yes will not harm your sys
20. lowing page to finish installation i The installation will repeat twice for each COM port twice on single port devices This is a limitation in the way Windows installs USB serial devices 1 A Found New Hardware alert will appear above the system tray the single port model name will be SeaLINK PC SC i Found New Hardware SeaLINk 2 PC 5C USB to Serial Converter Port 1 2 The Found New Hardware Wizard will appear O Sealevel Systems Inc 8 SeaLINK PC SC User Manual Hardware Installation continued 3 Choose No not this time and click Next to proceed Found New Hardware Wizard Welcome to the Found New Hardware Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on the Windows Update Web site with your permission Read our privacy policy Can Windows connect to Windows Update to search for sofware O Yes this time only Yes now and every time connect a device Click Next to continue lt Back Cancel 4 Choose Install the software automatically and click Next the single port model name will be SeaLINK PC SC Found New Hardware Wizard This wizard helps you install software for SealLlNk 2 PC SC USB to Serial Converter Port 1 If pour hardware came with an installation CD lt or floppy disk insert it now What do vou want the wizard
21. nerates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in such case the user will be required to correct the interference at the users expense EMC Directive Statement Products bearing the CE Label fulfill the requirements of the EMC directive 89 336 EEC and of the low voltage directive 73 23 EEC issued by the European Commission To obey these directives the following European standards must be met EN55022 Class A Limits and methods of measurement of radio interference characteristics of information technology equipment EN55024 Information technology equipment Immunity characteristics Limits and methods of measurement EN60950 1EC950 Safety of information technology equipment including electrical business equipment Warning This is a Class A Product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures to prevent or correct the interference 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 26 SeaLINK PC SC User Ma
22. nual Warranty WARRANTY Sealevel s commitment to providing the best I O solutions is reflected in the Lifetime Warranty that is standard on all Sealevel manufactured 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 Sealevel Systems Inc hereafter Sealevel warrants that the Product shall conform to and perform in accordance with published technical specifications and shall be free of defects in materials and workmanship for life In the event of failure Sealevel will repair or replace the product at Sealevel s sole discretion Failures resulting from misapplication or misuse of the Product failure to adhere to any specifications or instructions or failure resulting from neglect or abuse are not covered under this warranty Warranty service is obtained by delivering the Product to Sealevel and providing proof of purchase Return authorization must be obtained from Sealevel Systems before returned merchandise will be accepted Authorization is obtained by calling Sealevel Systems and requesting a Return Merchandise Authorization RMA number The Customer agrees to insure the Product or assume the risk of loss or damage in transit to prepay shipping charges to Se
23. re the adapter is connected to your computer Check to make sure that USB support is enabled and functioning properly in the operating system The presence of the Universal Serial Bus controllers listing in Device Manager will confirm that USB support is enabled in Windows 98SE ME 2000 XP or Vista operating systems While Device Manager is open locate the COM ports described under Verifying Installation in the Installation and Configuration section of this manual Once you have confirmed that the COM ports are listed in Device Manager you can use the Sealevel WinSSD utility and a loopback plug to test communications Detailed help is included in the WinSSD utility If you have a loopback plug put it on the DB9 connector that you want to test If you don t have a loopback plug contact Technical Support for assistance If you re testing RS 485 mode you ll need to have ECHO enabled otherwise the following test will fail Refer to the Hardware Configuration section for instructions on enabling ECHO To test communications launch the WinSSD utility in the SeaCOM folder under the Start menu Sealevel Systems Inc 19 SeaLINK PC SC User Manual On the Port Information tab select the COM port you want to test and click on the Open button pictured below C WinSSD COM3 9600 8 N 1 None Port Information Loopback BERT Terminal Out Timeouts no ene Read Inte
24. rval Timeout 100 Toggle DTR Read Total Timeout Multiplier 1100 In Read Total Timeout Constant 1 0 CTS Write Total Timeout Multipher 11 AD Settings _ Settings Write Total Timeout Constant 1100 DSA Error Log FI Frame Errors Parity Errors DEL As Buff Owertl Exit Tx Butt Overtl Help Click the Settings button to open the COM Properties menu Change your parameters to 9600 bits per second 8 data bits no parity 1 stop bit and no flow control as pictured below COM3 Properties a Ed Port Settings Bits per second Data bits Parity Stop bits Flow control Restore Defaults caca oooh Click Apply and Ok Sealevel Systems Inc 20 SeaLINK PC SC User Manual Select the BERT tab and with the loopback connected to the port you wish to test click on the Start button If testing RS 485 be sure that ECHO is enabled Pictured below WinSSD COM3 9600 8 N 1 None Port Information Loopback BERT Terminal Bit Error Rate Test Transmit Frames Receive Frames Bytes Checked Bit Errors Sune Losses Tx Data Rate As Data Rate Sine Status Test Time 000 00 00 If the COM port is working properly the green light will glow and the Transmit Frames and Receive Frames will increase The Tx and Rx Data O j 1 j 0 0 bps 0 bps Mo Data 000 Out Toggle ATS Toggle DTR CTS DSR RI DCD
25. ta rate may vary due to line conditions and cable lengths RS 232 is a single ended or unbalanced interface meaning that a single electrical signal is compared to a common signal ground to determine binary logic states The RS 232 and the EJA TIA 574 specification define two types of interface circuits Data Terminal Equipment DTE and Data Circuit Terminating Equipment DCE RS 422 The RS 422 specification defines the electrical characteristics of balanced voltage digital interface circuits RS 422 is a differential interface that defines voltage levels and driver receiver electrical specifications On a differential interface logic levels are defined by the difference in voltage between a pair of outputs or inputs In contrast a single ended interface for example RS 232 defines the logic levels as the difference in voltage between a single signal and a common ground connection Differential interfaces are typically more immune to noise or voltage spikes that may occur on the communication lines Differential interfaces also have greater drive capabilities that allow for longer cable lengths RS 422 is rated up to 10 Megabits per second and can have cabling 4000 feet long RS 422 also defines driver and receiver electrical characteristics that will allow one 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 RS 485 RS 485 is backwardly compatible wi
26. tem 12 If SeaCOM has been previously installed on your computer you do not need to install it again If you are upgrading SeaCOM you should remove the previous version before installing the latest version Refer to the Uninstall amp Upgrade Instructions section of this manual otherwise click OK to continue SealOM InstallShield Wizard IF SeaCOM has previously been installed on this computer you should go to the Device Manager and uninstall any SeaCOM cards You should also reboot our computer before installing any card s Sealevel Systems Inc 6 SeaLINK PC SC User Manual Software Installation continued 13 The setup file will automatically detect the operating environment and install the proper components When the InstallShield Wizard Complete window appears click Finish to close the window and complete the software installation SeaCOM InstallShield Wizard InstallShield Wizard Complete Setup has finished installing SeaCOM on your computer Check the SeaCOM folder under the Start Menu for installation sensitive help 14 Click the X in the top right corner of the Product Finder screen to close the CD installation window 15 Proceed with the hardware installation of your SeaLINK USB serial adapter Linux Installation Refer to the subdirectory D Software SeaCOM Other Linux replace D with your actual CD drive letter found on the Sealevel Sof
27. th RS 422 however it is optimized for party line or multi drop applications The output of the RS 422 485 driver is capable of being Active enabled or Tri State disabled This capability allows multiple ports to be connected in a multi drop bus and selectively polled RS 485 allows cable lengths up to 4000 feet and data rates up to 10 Megabits per second The signal levels for RS 485 are the same as those defined by RS 422 RS 485 has electrical characteristics that allow for 32 drivers and 32 receivers to be connected to one line This interface is ideal for multi drop or network environments 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 RS 485 can be cabled in two ways two wire and four wire mode Two wire mode does not allow for full duplex communication and requires that data be transferred in only one direction at a time For half duplex operation the two transmit pins should be connected to the two receive pins Tx to Rx and Tx to Rx Four wire mode allows full duplex data transfers RS 485 does not define a connector pinout or a set of modem control signals RS 485 does not define a physical connector Sealevel Systems Inc 23 SeaLINK PC SC User Manual Appendix D Asynchronous Communications Serial data communications implies that individual bits of a character are tr
28. tware CD This folder contains valuable information on installing your serial adapter in the various Linux releases Also included is a series of files explaining proper Linux syntax and typical Linux serial implementations 3 Party Software Support Third party software support for many HMI MMI and other process control software 1s included on the product installation CD For the most up to date information on third party software support please visit www sealevel com thirdpartysoftware asp O Sealevel Systems Inc E SeaLINK PC SC User Manual Hardware Installation Do not connect the device to a USB port on your motherboard until the software has been successfull y installed The 2128 requires no user hardware configuration and can be installed in any spare PC bracket location To install the 2128 locate an available PC slot in your system Remove the blank plate and install the 2128 and secure the screw or tab included with your system Alternately the bracket can be removed and the board can be panel mounted Connect the embedded USB cable to the board and plug into an available USB header connector on the motherboard The following instructions were tested with Windows XP and may vary based on your version of Windows Once the device has been installed power up the system The Found New Hardware wizard will appear first for the root hub and then for each port that you are installing Follow the instructions on the fol
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