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© Sealevel Systems, Inc. 7204 Manual | SL9061 7/2021

ULTRA 485+2.PCI™

User Manual | 7204

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Summary of Contents for ULTRA 485+2.PCI

Page 1: ...1 Sealevel Systems Inc 7204 Manual SL9061 7 2021 ULTRA 485 2 PCI User Manual 7204 ...

Page 2: ...ED 4 CARD SETUP 6 INSTALLATION 12 TECHNICAL DESCRIPTION 13 SPECIFICATIONS 15 APPENDIX A TROUBLESHOOTING 16 APPENDIX B HOW TO GET ASSISTANCE 18 APPENDIX C ELECTRICAL INTERFACE 19 APPENDIX D ASYNCHRONOUS COMMUNICATIONS 20 APPENDIX E SILK SCREEN 21 APPENDIX F COMPLIANCE NOTICES 22 WARRANTY 23 ...

Page 3: ...ce connections up to 4000ft where noise immunity and high data integrity are essential Select RS 485 and capture data from multiple peripherals in a RS 485 multidrop network Up to 31 RS 485 devices can be connected to each port to automate your data collection You can even mix the ports in any of the interface combinations to provide maximum flexibility to your application In RS 422 mode the card ...

Page 4: ...visory 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 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 additio...

Page 5: ...I factory default settings are as follows Port Electrical Specification Port 1 RS 422 Port 2 RS 422 To install the ULTRA 485 2 PCI using factory default settings refer to Installation For your reference record installed ULTRA 485 2 PCI settings below Port Electrical Specification Port 1 Port 2 ...

Page 6: ...ity means that the user can effectively use the ULTRA 485 2 PCI in a RS 485 application with existing i e standard RS 232 software drivers Headers J1B and J2B are used to control the RS 485 mode functions for the driver circuit The selections are RTS enable silk screen RT or Auto enable silk screen AT The Auto enable feature automatically enables disables the RS 485 interface The RTS mode uses the...

Page 7: ...B and J2B RS 422 Figure 2 Headers J1B and J2B RS 485 Auto Enabled with No Echo Figure 3 Headers J1B and J2B RS 485 Auto Enabled with Echo Figure 4 Headers J1B and J2B RS 485 RTS Enabled with No Echo Figure 5 Headers J1B and J2B RS 485 RTS Enabled with Echo AT RT NE AT RT NE AT RT NE AT RT NE AT RT NE ...

Page 8: ...aders J1A and J2A allow the user to customize this interface to their specific requirements Each jumper position corresponds to a specific portion of the interface If multiple ULTRA 485 2 PCI adapters are configured in a RS 485 network only the boards on each end should have jumpers T P P ON Refer to the following table for each position s operation Name Function P Adds or removes the 1K ohm pull ...

Page 9: ...y associated with COM ports i e 2400 4800 9600 19 2 115 2K Bps place the jumper in the divide by 4 mode silk screen DIV4 Figure 7 Clocking Mode Divide By 4 To double these rates up to a maximum rate for 230 4K bps place the jumper in the divide by 2 silk screen DIV2 position Figure 8 Clocking Mode Divide By 2 To select the maximum data rate 460 8K bps place the jumper in the divide by 1 silk scree...

Page 10: ... 1200 bps 300 bps 2400 bps 600 bps 4800 bps 1200 bps 9600 bps 2400 bps 19 2K bps 4800 bps 57 6 K bps 14 4K bps 115 2 K bps 28 8K bps 230 4K bps 57 6 K bps 460 8K bps 115 2 K bps 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 384 2400 bps 192 4800 bps 96 9600 bps 48 19 2K bps...

Page 11: ...ta Rate 1200 bps 600 bps 2400 bps 1200 bps 4800 bps 2400bps 9600 bps 4800 bps 19 2K bps 9600 bps 38 4K bps 19 2K bps 57 6 K bps 28 8K bps 115 2 K bps 57 6 K bps 230 4 K bps 115 2 K bps 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 192 2400 bps 96 4800 bps 48 9600 bps 24 19 ...

Page 12: ...e System Installation The ULTRA 485 2 PCI can be installed in any of the PCI expansion slots and contains several jumper straps for each port that must be set for proper operation 1 Turn off PC power Disconnect the power cord 2 Remove the PC case cover 3 Locate an available PCI slot and remove the blank metal slot cover 4 Gently insert the ULTRA 485 2 PCI into the slot Make sure that the adapter i...

Page 13: ...r the interrupt is handled exactly where it left off Every main sub system in the PC has it s own interrupt frequently called an IRQ short for Interrupt ReQuest The following IRQ table will define the system IRQs as well as show typically free IRQs In these early days of PC s Sealevel Systems decided that the ability to share IRQs was an important feature for any add in I O card Consider that in t...

Page 14: ...the value in the status register Both status ports on the ULTRA 485 2 PCI are identical so any one can be read Example This indicates that Channel 2 has an interrupt pending Bit Position 7 6 5 4 3 2 1 0 Value Read 0 0 0 0 0 0 1 0 Connector Pin Assignments RS 422 485 Signal Name Pin Mode GND Ground 5 TX Transmit Data Positive 4 Output TX Transmit Data Negative 3 Output RTS Request To Send Positive ...

Page 15: ...l 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 Supply line 12VDC 12VDC 5 VDC Rating 50 mA 50 mA 480 mA Mean Time Between Failures MTBF Greater than 150 000 hours Calculated Physical Dimensions Board length 5 0 inches 12 7 cm Board height inclu...

Page 16: ...dapters on board serial ports do not The IRQ is typically selected via an on board header block Refer to the section on Card Setup for help in choosing an I O address and IRQ 4 Make sure the Sealevel Systems adapter is securely installed in a motherboard slot 5 When running DOS or Windows 3 x refer to the Serial Utilities disk 1 and the User Manual to verify that the Sealevel Systems adapter is co...

Page 17: ...will show all resources assigned to the multi function adapter Uncheck the Use Automatic Settings box Notice that with a two port card there will be three input output I O ranges listed With a four port card there will be five input output I O ranges listed The first I O range is for the PCI bus and should not be changed The second and third I O ranges are the ones that need to be changed in order...

Page 18: ...s 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 4 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 5 Technical support is available Monday to Friday from 8 00 a m to 5 00 p m eas...

Page 19: ...tor RS 485 RS 485 is backwardly compatible with RS 422 however it is optimized for partyline 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 Th...

Page 20: ...e 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 Figure 10 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 ...

Page 21: ...21 Sealevel Systems Inc 7204 Manual SL9061 7 2021 Appendix E Silk Screen 5 0 4 2 ...

Page 22: ...d 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 ...

Page 23: ...nty 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 manufac...

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