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© Sealevel Systems, Inc.
3054 Manual | SL9080 11/2021
™
SIO-485
User Manual | 3054
Page 1: ...1 Sealevel Systems Inc 3054 Manual SL9080 11 2021 SIO 485 User Manual 3054 ...
Page 2: ...ULT SETTINGS 5 CARD SETUP 6 INSTALLATION 8 TECHNICAL DESCRIPTION 10 SPECIFICATIONS 11 APPENDIX A TROUBLESHOOTING 12 APPENDIX B HOW TO GET ASSISTANCE 13 APPENDIX C ELECTRICAL INTERFACES 14 APPENDIX D ASYNCHRONOUS COMMUNICATIONS 15 APPENDIX E SILK SCREEN 16 APPENDIX F SCHEMATIC 17 APPENDIX G COMPLIANCE NOTICES 18 WARRANTY 19 ...
Page 3: ...el Systems Inc 3054 Manual SL9080 11 2021 Introduction Overview The Sealevel Systems SIO 485 provides the PC with one asynchronous RS 422 485 serial port which can interface to a variety of industrial equipment ...
Page 4: ...ing The highest level of importance used to stress a condition where damage could result to the product or the user could suffer serious injury Important The middle level of importance used to highlight information that might not seem obvious or a situation that could cause the product to fail Note The lowest level of importance used to provide background information additional tips or other non c...
Page 5: ...actory default settings are as follows Base Address IRQ Electrical Specification 3F8 4 RS 422 To install the SIO 485 using factory default settings refer to the Installation page on Page 8 For your reference record installed SIO 485 settings below Base Address IRQ Electrical Specification ...
Page 6: ...ting PC ports The SIO 485 has a total of eight I O address selections if more than one switch is closed the board will be non functional Leaving all eight switches open will disable the port COM1 3B8 3BF HEX 3F8 3FF HEX 378 37F HEX338 33F HEX COM2 2B8 2BF HEX 2F8 2FF HEX 278 27F HEX238 23F HEX Figure 1 DIP Switch Illustration Refer to Appendix A for common address contentions ON OFF 1 2 3 4 5 6 7 ...
Page 7: ...river RS 485 Removing the jumper from Header E2 enables the driver regardless of RTS RS 422 Header E1 IRQ Selection The SIO 485 has an interrupt selection jumper that should be set prior to use Consult the user manual for the application software being used to determine the proper setting E1 selects the interrupt request for the port A jumper at position 3 of E1 selects IRQ3 at position 4 IRQ4 is ...
Page 8: ...er operation 1 Determine the interface required and configure the SIO 485 accordingly Refer to the section on Card Setup 2 Turn off PC power Disconnect the power cord 3 Remove the PC case cover 4 Locate an available slot and remove the blank metal slot cover 5 Gently insert the SIO 485 into the slot Make sure the adapter is seated properly 6 Replace the screw 7 Replace the cover 8 Connect the powe...
Page 9: ...ystems software you must log in as an administrator or have administrator privileges in Windows Other Operating Systems Refer to the appropriate section of the Serial Utilities Software LINUX INSTALLATION Refer to Linux Archives Sealevel This link contains valuable information on installing your serial adapter in the various Linux releases Also included is a series of files explaining proper Linux...
Page 10: ...upt can be shared with other sharable interrupts Connector Pin Assignments RS 422 485 Signal Name Pin Mode GND Ground 7 RX Receive Positive 12 Input RX Received Negative 13 Input TX Transmit Positive 24 Output TX Transmit Negative 25 Output Line Termination Typically each end of the RS 422 485 bus must have line terminating resistors Sealevel Systems provides a 100 Ohm Resistor across each RS 422 ...
Page 11: ...ly Line 12VDC 12VDC 5 VDC Rating 50 mA 50 mA 480 mA Mean Time Between Failure MTBF Greater than 150 000 hours Calculated Physical Dimensions Board Length 4 9 inches 12 45 cm Board Height including Goldfingers 4 2 inches 10 66 cm Board Height excluding Goldfingers 3 9 inches 9 91 cm Manufacturing All Sealevel Systems Printed Circuit boards are built to UL 94V0 rating and are 100 electrically tested...
Page 12: ...a motherboard slot 5 A diagnostic program SSD is incorporated in the software which will verify if an adapter is configured properly This diagnostic program is written with the user in mind and is easy to use 6 For Windows 95 98 and Windows NT the diagnostic tool WinSSD is installed in the Sealevel folder on the Start Menu during the setup process First find the ports using the Device Manager then...
Page 13: ...ovides 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 Sealevel Systems maintains a web page on the Internet Our home page address is www sealevel com The latest software updates and newest manuals are available via our web site Technical support is available Monday to Friday from 8 00 a m to 5 00 p m ea...
Page 14: ...utput 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 dr...
Page 15: ... 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 Asynchronous Communications Bit Diagram 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 impl...
Page 16: ...16 Sealevel Systems Inc 3054 Manual SL9080 11 2021 Appendix E SILK SCREEN ...
Page 17: ...17 Sealevel Systems Inc 3054 Manual SL9080 11 2021 Appendix F Schematic ...
Page 18: ...d to correct the interference at the user s 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...
Page 19: ...anty Warranty service may be obtained by delivering the Product to Sealevel and providing proof of purchase Customer agrees to ensure 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 This warranty applies to Sealevel manufa...
