SIO4-104.232 User Manual
Contents
1. 620 630 Interrupt Modes DIP Switch positions S and M on switch SW1 selects the interrupt mode for each adapter With the S selected the adapter is in a S hared interrupt mode which allows more than one adapter to access a single IRQ M indicates the inclusion of a 1K ohm pull down resistor required on one adapter when sharing interrupts Set the switch to S for shared interrupt mode on all adapters sharing an IRQ On one of the adapters sharing an interrupt set the switches for both S and for M This provides the pull down resistor circuit that makes sharing IRQs possible If you are using more than one compatible adapter in a bus you should only have one adapter set to M IRQ Selection The S104 104 232 has an interrupt selection jumper which should be set prior to use if an interrupt is required by your application software Consult the user manual for the application software being used to determine the proper setting Clock Modes The SIO4 104 232 utilizes a 14 7456 MHz oscillator This is eight times faster than the standard COM port oscillator which typically is 1 8432 MHz This allows the adapter to achieve a maximum data rate of 921 6Kbps The following sections outline the baud rate calculations and instructions for achieving your desired baud rate Baud Rates and Oscillator value The following table shows some common data rates and the rates you should choose to ac2. DB37 to 4 DB9 Males 36 in length Item number CA110 CA 143 This combination of cables also terminates the SIO4 104 232 s 40 pin header to four DB9M connectors The CA110 provides a bulkhead mountable DB37 Male connector and the CA143 provides a DB37 to four DB9 male connectors via a 36 inch Spider cable This combination also provides the standard DB9 pin out for RS 232 EIA TIA574 in RS 232 mode a IDC40 to 18 IDC40 Ribbon Cable and IDC40 to 4 DB9 Male Terminal Block Item number CA222 TB10 This combination of cables also terminates the SIO4 104 232 s 40 pin header to four DB9M connectors via a bulk head mountable terminal block assembly It provides four DB9 male connectors that can easily be integrated into the Sealevel Systems Relio line of embedded I O servers This combination also provides the standard DB9 pin out for RS 232 BIA TIA574 in RS 232 mode Sealevel Systems Inc 4 SIO4 104 232 User Manual Card Setup Address Selection The SIO4 104 232 occupies 16 consecutive I O locations The DIP switch SW1 is used to set the base address for these locations and the IRQ mode options Be careful when selecting the base address as some selections conflict with existing PC ports The following table shows the addressing options available If different address options are required please contact Sealevel Systems Technical Support about a custom PAL option SW1 1 SW1 2 Off Off Off On Off Off 600 610
3. ME 2000 XP Installation 1 2 3 Start Windows Insert the Sealevel Systems CD in to your CD drive If Auto Start is enabled for this drive the software will automatically launch Otherwise point your browser to the Index htm on the root directory of the CD Select Install Software Select the Item number for your adapter from the listing Select Windows 98 ME 2000 XP The setup file will automatically detect the operating environment and install the proper components Next depending on your browser select the Run this program from its current location or Open option Follow the information presented on the screens that follow Run the Add Remove Hardware utility located in Control Panel Double click the icon to launch the Wizard When the Choose Hardware Task appears choose Add Troubleshoot a device At that point Windows will search for Plug and Play devices Since the ISA board is not Plug and Play it will not be found If Windows finds something you were not expecting cancel that install and click Next When Choose a Hardware Device appears select Add a new device Windows will then ask if you want it to search and you select No I want to select the hardware from a list Then click Next After choosing Next you will see Hardware Type If you are installing a single port serial card select Ports COM amp LPT If you are installing a multi port serial card two or more ports choose Multi port se
4. Third party software support for many HMI MMI and other process control software is included on the product installation CD For the most up to date information on third party software support please visit http www sealevel com thirdpartysoftware asp Sealevel Systems Inc 8 SIO4 104 232 User Manual Physical Installation Extreme care should be taken when installing the S70O4 104 232 to avoid causing damage to the connectors After the adapter is installed connect your I O cable to P4 Refer to Card Setup for information on setting the address and jumper options before inserting the SIO4 104 232 onto the stack Do not install the Adapter in the machine until the software has been fully installed 1 Turn off power Disconnect the power cord 2 Gently insert the SIO4 104 232 connector noting proper key orientation of the expansion connector on a PC 104 compatible card The SI04 104 232 adapter is keyed per the current PC 104 Specification This will aid in preventing the adapter from being inserted incorrectly 3 Mounting hardware nylon stand offs and screws is provided to ensure a good mechanical connection Retain any mounting hardware not used to allow for future expansion 4 Replace the cover 5 Connect the power cord and power up the machine The S7O4 104 232 is now ready for use Slack though fbi medike Slack hep bibit module Sac keh PC 104 0 module Man stkckthrongh PETI fer module Seal
5. s enata tosta sss ta sns tn ao 14 APPENDIX C ELECTRICAL INTERFACE e eeeeee eese entera en aeneo setas a etas n stas ta o 15 Ee Lad E tuc E n Ai Let O 15 APPENDIX D ASYNCHRONOUS COMMUNICATIONS eeeeee seen enses ense ento stato 16 APPENDIX E SILK SCREEN 3542 PCB c cccccsssorssessecenssencnscsccsecsosenssessessnsvosoesenasensees 17 WARRANTY E 18 NK EE 18 Sealevel Systems Inc 2 SIO4 104 232 User Manual Introduction SIO4 104 232 The SIO4 104 232 Item Number 3542 is a PC 104 module that provides four RS 232 serial interface ports The board is designed using the XR16C554 UART which provides a 16 byte FIFO The RS 232 compatibility allows for connection to devices utilizing the RS 232 electrical interface such as modems and data entry terminals In addition to the standard XR16C554 UART the XR16C854 SE option and the OX16C954 SN option are available Both UARTS feature enhanced FIFOs 128 byte transmit and receive and both maintain compatibility with the XR16C554 The OX16C954 additionally features a flexible clock prescalar from 1 to 31 875 9 bit protocol and an isochronous mode The SIO4 104 232 is designed to be used with a variety of Operating Systems including Windows 98 NT ME 2000 XP Linux and DOS The SeaCOM API Application Programmer Interface included on CD with the SIO4 104 232 provides a variety of useful high level function calls implemented as a Windo
6. 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 Idle state of Odd Even lin e 5 to 8 Data Bits 04 tee l 1 EE EES EE i erede l ler STOP evel UE E EEEN E E EE Ld WE 0 EUM pi an 15 4 be 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 check 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 commun
7. I Also connect DCD to DTR and DSR Terminating these pins if not used will help ensure you get the best performance from your adapter If the CA143 is not used and the CA110 DB37 cable is used alone the following pin outs apply Sealevel Systems Inc 11 SIO4 104 232 User Manual Electrical Characteristics Specifications Receiver Inputs e Voltage Range 15V e Input Threshold Low 0 8V Min 1 5V Typical e Input Threshold High 2 4V Max 1 8V Typical Driver Outputs e Output Voltage Swing 5V Min 5 4V Typical 3K Ohm Load e Short circuit current 60mA Max 35mA Typical O Vour 0V Temperature Range e Operating 0 C 70 C e Storage 50 C 105 C Power Requirements e 45VDC 794mA Physical Dimensions e Length 3 550 inches 9 017cm e Height 3 775 inches 9 589cm Sealevel Systems Inc 223 SIO4 104 232 User Manual Appendix A Troubleshooting Following these simple steps can eliminate most common problems 1 Install software first After installing the software then proceed to Physical Installation section of the manual Identify all I O adapters currently installed in your system This includes your on board serial ports controller cards sound cards etc The I O addresses used by these adapters as well as the IRQ if any should be identified Configure your Sealevel Systems adapter so that there is no conflict with currently installed adapters No two adapte
8. SIO4 104 232 User Manual 112e RS Tam Acie a RIS Deene fott z E mm LEAST TE Gelb iii 22 oe RD CMe m i EIE W ZIBEEREBEEEEREREE ER A3 E a s a a H D E a a a E E E a LJ a a a E initi ut LEE REES REERESE UE E B A Ga pz 554y REV A COPYRIGHT 2004 Item number 3542 SYSTEMS INCORPORATED www sealevel com 155 Technology Place Liberty SC 29657 864 843 4343 Table of Contents TABLE OECON PEIN Kee 2 EN FRODUCTION E 3 SIO4 104232 EE 3 OTHER SEALEVEL PC104 SERIAL INTERFACE PRODUCTS eese ener ener nnne 3 BEFORE SCENE a add edad 4 WHATS er EE UM at eC 4 OPTION AIT TEMG eei eere lan prote EE 4 CARD SETUP sesta ci e RENE RUM pica Qi UON EORNM PE 5 ADDRESS SELECTION EE 5 INTERRUPT MODES 5 tet tnit tice ed ies cette tus Le Lp edocti tne hein 5 RE LEE EE 5 CLOCK MODES ace Qe A A e aep aiuti Se e Ga GRE ie es ea Res 5 BAUD RATES AND OSCILLATOR VALUE E 5 SOFTWARE INSTALLATION e essesossesesesosscsosossesesosoesosoesesesosoesosossesesosoesosossesesesossosossesesesosse 7 2 C PARTY ENEE 8 PHYSICAL INSTALLATION E 9 PHYSICAL ECH LEE 10 ELECTRICAL CHARACTERISTICS ssissssssssrckscascasssssoscaosessosenesvoysnsnesondesteabousesscnnsneeespuneneeess 12 GEIER 12 APPENDIX A TROUBLESHOOTING ee eeee esee teen etes ense esso seta sene ta sens ta cores asanesnesnes 13 APPENDIX B HOW TO GET ASSISTANCE crees eene teen eene tna
9. ems Incorporated 155 Technology Place P O Box 830 Liberty SC 29657 USA 864 843 4343 FAX 864 843 3067 www sealevel com email support Gsealevel com Technical Support is available Monday Friday from 8 a m to 5 p m Eastern time Sealevel Systems Incorporated acknowledges that all trademarks referenced in this manual are the service mark trademark or registered trademark of the respective company Sealevel Systems Inc 18 SIO4 104 232 User Manual
10. evel Systems Inc 9 S104 104 232 User Manual Physical Connection The port signals for the SIO4 104 232 are physically connected via a 40 pin box header The following table shows connector P4 s pin out Sealevel Systems Inc P4 Signal Name 1 DCD4 2 DSR4 3 RD4 4 RTS4 Port4 5 Tp4 6 CTS4 7 DTR4 8 RI4 9 GND4 10 GND3 11 RI3 12 DTR3 13 CTS3 Port3 14 TD3 15 RTS3 16 RD3 17 DSR3 18 DCD3 19 DCD2 20 DSR2 21 RD2 22 RTS2 Port2 23 TD2 24 CTS2 25 DTR2 26 RI2 27 GND2 28 GND1 29 RII 30 DTRI 3l CTSI Porti 32 TD1 33 RTS1 34 RD1 35 DSR1 36 DCD1 Pins 37 38 39 and 40 are no connects 10 SIO4 104 232 User Manual Available for use with the 5 1O4 104 232 are the CA228 the CAI10 CAI143 and the CA222 TB10 combination cables These cables terminate the SIO4 104 232 40 pin header to four DB9M connectors This termination provides the standard DB9 pin out for RS 232 BIA TIA574 in RS 232 mode The following table illustrates the DB9 pin out when using any of these optional cables IGND Ground 5 RD ReciveDaa 2 Input CTS ClarToSend 8 Input DSR DataSetReady 6 Input RI j Ringlndicatr 9 Input Note Please terminate any control signals that are not being used The most common way to do this is connect RTS to CTS and R
11. hieve them when using the SI04 104 232 If the O S of choice is Windows 95 98 ME 2000 NT XP the oscillator value 14 7456 MHz should be entered into the Advanced Tab on 95 98 Me 2000 XP Device Manager applet Typically this is done automatically when the Sealevel Software driver is loaded Sealevel Systems Inc 5 SIO4 104 232 User Manual When using Windows NT the Advanced Ports applet in the Control Panel should be launched and the oscillator value entered manually in the Advanced tab or all data rates will be eight 8 times the selected rate For example if a data rate of 19 2Kbps is selected the actual data rate will be 153 6Kbps When using any other OS i e Linux or QNX the following table should be used Choose this Data Rate 150 bps 300 bps 600 bps 1200 bps 2400 bps 4800 bps 14 4K bps 28 8K bps 57 6 K bps 115 2 K bps For this Data Rate 1200 bps 2400 bps 4800 bps 9600 bps 19 2K bps 57 6 K bps 115 2 K bps 230 4K bps 460 8K bps 921 6K bps If your communications package allows the use of Baud rate divisors choose the appropriate divisor from the following table Choose this Divisor 768 384 For this Data Rate 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 S104 104 232 User Manual Software Installation Windows 98
12. ication 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 1 e 9600 N 8 1 Sealevel Systems Inc 16 SIO4 104 232 User Manual Appendix E Silk Screen 3542 PCB HEBEERSEEEREEEESS O co COME E B DEERE gt R26 ER 5 5 CTO MOME BEBBBBBBBBHHBBBBEE E BEER ua S ao E BHBEHEBEBEHEEHEBHEE E i NE E ERR 2 QUE E BB 85558585 BB Sealevel Systems Inc eis GC 104 232 User Manual Warranty VWETIME Trademarks 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 acco
13. nd at http www sealevel com fag asp Sealevel Systems maintains a web page on the Internet Our web page address is http www sealevel com The latest software updates and newest manuals are available via our FTP site that can be accessed from our web page Technical support is available Monday to Friday from 8 00 a m to 5 00 p m eastern time Technical support can be reached at 864 843 4343 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 14 SIO4 104 232 User Manual Appendix C Electrical Interface 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 C D E or EIA TIA 232 C D E It is defined as Interface between Data Terminal Equipment and Data Circuit Terminating Equipment Employing Serial Binary Data Interchange The mechanical implementation of RS 232 is on a 25 pin D sub connector 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 has been defined as the 9 Position Non Synchronous Interface between Data Terminal Equipment and Data Circuit Terminating Equipment Employing Se
14. rdance 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 Sealevel 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 Syst
15. rial 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 20K bps 50 ft The absolute maximum data rate may vary due to line conditions and cable lengths RS 232 often operates at 38 4K bps over very short distances The voltage levels defined by RS 232 range from 12 to 12 volts 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 A voltage of 12 volts usually 3 to 10 volts represents a binary O space and 12 volts 3 to 10 volts denote a binary 1 mark 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 Sealevel Systems Adapter is a DTE interface Sealevel Systems Inc 15 SIO4 104 232 User Manual 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 Asynchronous communications is the standard means of serial data communication for PC compatibles and PS 2 computers The original PC
16. rial adapters Click Next The Select a Device Driver window will appear On the left side find Sealevel Systems Inc and on the right side of the window select the card type you are installing Windows will now show a warning message that it could not detect the settings of the device and that you must enter the settings manually Click OK The Add New Hardware Wizard Properties window will appear This window will show the default settings for the I O address and one IRQ The one IRQ will mean that you will be sharing one IRQ for all ports on the board for a multi port card You will only need one IRQ if installing a single port card Since Windows cannot detect the settings there may be a conflict with another device or the settings shown may not be the settings you wish to use To change the settings choose Basic configuration 0001 next tot eh heading Setting based on When this configuration is chosen the Resources window will appear with all question marks Simply choose each Input Output Range and IRQ and change the settings to match the board settings Make sure there are no conflicts with other devices that would appear at the bottom of the window under Conflicting device list After you have either accepted the default settings or changed the settings the Start Hardware Installation window will appear Click Next The next window that may appear will be the Digital Signature Not Found Do not search for digitally signed software and continue
17. rs can occupy the same I O address Try the Sealevel Systems adapter with a unique IRQ While the Sealevel Systems adapter does allow the sharing of IRQs many other adapters i e SCSI adapters amp on board serial ports do not Make sure the Sealevel Systems adapter is securely installed For Windows95 98 ME NT 2000 the diagnostic tool WinSSD is installed in the SeaCOM folder on the Start Menu during the setup process First find the ports using the Device Manager then use WinSSD to verify that the ports are functional Always use the Sealevel Systems diagnostic software when troubleshooting a problem This will eliminate any software issues from the equation 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 00AM 5PM Eastern Time Monday through Friday For email support contact support sealevel com Sealevel Systems Inc 13 SIO4 104 232 User Manual Appendix B How To Get Assistance Begin by reading through the Troubleshooting Guide in Appendix A If assistance is still needed please see below When calling for technical assistance please have your user manual and current adapter settings If possible please have the adapter installed in a computer ready to run diagnostics Sealevel Systems provides an FAQ section on its web site Please refer to this to answer many common questions This section can be fou
18. with installation The Completing the Add Remove Hardware Wizard window will appear You will be given a chance to change the resource settings again at this point if necessary Choose Finish At this point you will need to restart your computer After restarting the Found New Hardware window will appear for each port that you are installing To confirm that the drivers installed you can now look in Device Manager under Ports COM amp LPT and each of the ports should show with their corresponding COM number Sealevel Systems Inc 7 SIO4 104 232 User Manual Linux Installation Refer to D software seacom Other Linux Linux serial readme where D your CDROM driver letter found on the Sealevel Systems CD This file contains valuable information on installing your adapter in the various Linux releases Also in this sub directory is the Linux SerialHOWTO These files explain typical Linux serial implementations as well as informing the user to Linux syntax and preferred practices QNX Refer to D software seacom Other QNX6 Install readme where D your CDROM driver letter found on the Sealevel Systems CD This file contains valuable information on installing your adapter in the QNX6 Neutrino OS as well as the files required to ensure a flawless implementation Also provided on the Sealevel Systems CD are implementation instructions for QNXA These are found in D software seacom Other QNX4 QNX_COM txt 3 Party Software Support
19. ws dynamic link library DLL and as a Linux kernel module and library In addition to the API SeaCOM includes sample code and utilities to simplify software development Other Sealevel PC104 Serial Interface Products e ULTRA SIO 104 Item Number 3550 Single Port RS 422 485 e SIO 104 Item Number 3551 Single Port RS 232 e SIO 10442 Item Number 3502 Dual Port RS 232 422 485 e C4 104 ULTRA Item Number 3540 Four Port RS 232 422 485 e SIO4 104 485 Item Number 3543 Four Port RS 422 485 e SIO4 104 242 Item Number 3544 Two Port RS 232 Two Port 422 485 Sealevel Systems Inc 3 SIO4 104 232 User Manual Before You Get Started What s Included The SIO4 104 232 is shipped with the following items If any of these items is missing or damaged please contact Sealevel for replacement e SIO4 104 232 Adapter e Sealevel SeaCOM Software CD Optional Items Depending upon your application you are likely to find one or more of the following items useful for interfacing the SIO4 104 232 to real world signals All items can be purchased from our website http www sealevel com or by calling 864 843 4343 Cabling Options m IDC 40 to 4 DB9 Male connectors 8 in length Item number CA228 This cable terminates the SIO4 104 232 s 40 pin header to four DB9M connectors This termination provides the standard DB9 pin out for RS 232 EIA TIA574 in RS 232 mode u DB37 Male to 6 IDC40 Ribbon Cable and 1
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