VXI-1501 User Manual - National Instruments
Contents
1. 1 variable speed fan 1 3 W Web support from National Instruments online problem solving and diagnostic resources B 1 software related resources B 2 worldwide technical support B 2 WWW ni com2. Power Cords Table 1 2 shows the power cord rating requirements Table 1 2 Rating Requirements for Power Cords Country Volts Rated Amps U K 250 VAC 10A Australia 250 VAC 10A Europe 250 VAC 10A U S Canada 125 VAC 13 A Switzerland 250 VAC 10A Denmark 250 VAC 10A Japan 125 VAC 15A CSA Certification includes only this power cord ER Note AC mains power supply cords used with the VXI 1501 must meet the requirements of ANSI UL817 for use in the United States CSA C22 2 21 and 49 for use in Canada and IEC 227 or 245 for use in the European Union AC mains power supply cords used with the VXI 1501 in other countries must be approved by the authority having jurisdiction in that country Power cords with high power ratings are available from National Instruments Make certain that any replacement cord can handle the indicated loads AN Warning For protection from electric shock hazard power cord ground must not be defeated The front power switch on this instrument does not disconnect all power from internal circuits In case of emergency the operator may need to disconnect the power to this mainframe Do not block the operator s access to the power cord or if installed in a rack to the circuit breaker that supplies power to the mainframe If a remote standby switch is connected to the mainframe by way of the rear panel 25 pin Sub D connector the operator may not be able to turn off this
3. CONTROL DEVICES TRANSIENT FAILURES OF ELECTRONIC SYSTEMS HARDWARE AND OR SOFTWARE UNANTICIPATED USES OR MISUSES OR ERRORS ON THE PART OF THE USER OR APPLICATIONS DESIGNER ADVERSE FACTORS SUCH AS THESE ARE HEREAFTER COLLECTIVELY TERMED SYSTEM FAILURES ANY APPLICATION WHERE A SYSTEM FAILURE WOULD CREATE A RISK OF HARM TO PROPERTY OR PERSONS INCLUDING THE RISK OF BODILY INJURY AND DEATH SHOULD NOT BE RELIANT SOLELY UPON ONE FORM OF ELECTRONIC SYSTEM DUE TO THE RISK OF SYSTEM FAILURE TO AVOID DAMAGE INJURY OR DEATH THE USER OR APPLICATION DESIGNER MUST TAKE REASONABLY PRUDENT STEPS TO PROTECT AGAINST SYSTEM FAILURES INCLUDING BUT NOT LIMITED TO BACK UP OR SHUT DOWN MECHANISMS BECAUSE EACH END USER SYSTEM IS CUSTOMIZED AND DIFFERS FROM NATIONAL INSTRUMENTS TESTING PLATFORMS AND BECAUSE A USER OR APPLICATION DESIGNER MAY USE NATIONAL INSTRUMENTS PRODUCTS IN COMBINATION WITH OTHER PRODUCTS IN A MANNER NOT EVALUATED OR CONTEMPLATED BY NATIONAL INSTRUMENTS THE USER OR APPLICATION DESIGNER IS ULTIMATELY RESPONSIBLE FOR VERIFYING AND VALIDATING THE SUITABILITY OF NATIONAL INSTRUMENTS PRODUCTS WHENEVER NATIONAL INSTRUMENTS PRODUCTS ARE INCORPORATED IN A SYSTEM OR APPLICATION INCLUDING WITHOUT LIMITATION THE APPROPRIATE DESIGN PROCESS AND SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION Compliance FCC Canada Radio Frequency Interference Compliance Determining FCC Class The Federal Communications Commission FCC has rules to protect wir
4. are suspected In no event shall National Instruments be liable for any damages arising out of or related to this document or the information contained in it EXCEPT AS SPECIFIED HEREIN NATIONAL INSTRUMENTS MAKES NO WARRANTIES EXPRESS OR IMPLIED AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE CUSTOMER S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER NATIONAL INSTRUMENTS WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF This limitation of the liability of National Instruments will apply regardless of the form of action whether in contract or tort including negligence Any action against National Instruments must be brought within one year after the cause of action accrues National Instruments shall not be liable for any delay in performance due to causes beyond its reasonable control The warranty provided herein does not cover damages defects malfunctions or service failures caused by owner s failure to follow the National Instruments installation operation or maintenance instructions owner s modification of the product owner s abuse misuse or negligent acts and power failure or surges fire flood accident actions of third parties or other events outside reasonable con
5. proper names of disk drives paths directories programs subprograms subroutines device names functions operations variables filenames and extensions and code excerpts Contents Chapter 1 Using the Mainframe 1 1 Line Voltage and Input 1 1 gd 1 2 Variable Speed Ean e naso Ae nee ae ied eu ence unde 1 3 R ar Paniel Auxiliary Cornectot ieue p eei gei ie besten eet E 1 4 Remote Standby Switch enne nennen nennen nennen 1 6 Installing the Power Line Fuse zeit ere art ERR RU terere 1 8 Power Cords sis S RRRO et wees MES ee AO S eR 1 9 Safety Grounding Information eee eee 1 10 Grounding Procedure essent eene nennen nennen 1 10 Appendix A VXI 1501 Specifications Appendix B Technical Support Resources Index Figures Figure 1 1 Minimum Airflow Available Per Slot sss 1 2 Figure 1 2 Forcing the Fan to High Speed sse 1 3 Figure 1 3 Remote Standby Switch Wiring essere 1 6 Figure 1 4 Location of R93 Surface Mount Resistor esee 1 7 Figure 1 5 Replacing the Power Line Fuse eee 1 8 Figure 1 6 Grounding Connection eesssesseeeeeeeeeennr eene enne 1 10 Figure 1 7 Grounding Sc
6. size sss 13 C Size slots Mainframes also accept A Size or B Size modules with the appropriate adapters Input power 50 60 Hz input power Automatic voltage ranging Nominal range 100 240 VAC 10 Nominal frequency range 50 60 Hz 10 400 Hz input power Nominal voltage range 100 120 VAC 10 Nominal frequency 400 Hz 10 DC input power Input voltage range 100 VDC min 370 VDC max National Instruments Corporation A 1 VXI 1501 User Manual Appendix A VXI 1501 Specifications VXI 1501 User Manual General power supply Power factor corrected Power switch esee On Standby with lighted indicator in front Rear panel connection allows remote operation Inrush current eee 40 A max Designed to meet EN 60555 2 Socket for detachable line cord IEC 320 HOT Chassis ground tap on rear panel M4 x 0 7 threaded insert Fuse Maximum Voltage Current Fuse 100 VAC 15A 15 AF 120 VAC 12A 15 AF 220 240 VAC 8A 15 AF Power Supply Outputs Peak DC Output DC Current IMP P P Dynamic Current Output Current Limit supply Voltage 40 C 55 IMD shuts down 5 V 65A 60 A 9 0 70 80 A 12 14 12A 2 5 14 18 12V 14 12 2 5 14 18 24 14 12A 5 0A 15 19 A
7. 24 V 12A 10 5 0A 12 16 A 5 2 V 65A 60 A 8 5 70 80 A 2 V 35 A 30A 4 5 35 41 A IMP Rated mainframe peak DC output current as defined by the V XIbus Specification MD Rated mainframe peak to peak dynamic current as defined in the VXIbus Specification by a current vs frequency curve A 2 WWW ni com Appendix A VXI 1501 Specifications VXI Ripple Noise DC Output Allowed Max DCLoad Max Induced Voltage Variation Ripple Noise Ripple Noise 5 V 0 25 0 125 50 mV 50 mV 12 V 0 06 0 36 50 mV 50 mV 12V 0 60 0 36 50 mV 50 mV 24 V 1 2 0 72 150 mV 150 mV 24 V 1 2 0 72 150 mV 150 mV 5 2 V 0 26 0 156 50 mV 50 mV 2 V 0 10 0 10 50 mV 50 mV Maximum Power Output Uncertainty in shutdown is due to variable loading Heavy loading on 5 V 2 V and 5 2 V will cause shutdown at the lower edge of the band Heavy loading of the 12 V 12 V 24 V 24 V will cause shutdown at the higher edge of the band Low line voltage 90 VAC will cause shutdown at the lower edge of the band Humidity esee 10 9096 RH noncondensing Temperature range Nonoperating eee 20 C to 70 C Operating 0 C to 50 Shock nere RUE 30 g 11 ms half sine 3 shocks per face Random vibration Nonoperating eene 5 500 Hz 2 46 gims Operatng rien edere 5 500 Hz 0 31
8. EEC Directives Readers in the EU EEC EEA must refer to the Manufacturer s Declaration of Conformity DoC for information pertaining to the CE Mark compliance scheme The Manufacturer includes a DoC for most every hardware product except for those bought for OEMS if also available from an original manufacturer that also markets in the EU or where compliance is not required as for electrically benign apparatus or cables Certain exemptions may apply in the USA see FCC Rules 15 103 Exempted devices and 15 105 c Also available in sections of CFR 47 The CE Mark Declaration of Conformity will contain important supplementary information and instructions for the user or installer Conventions H AN AX italic monospace The following conventions are used in this manual This icon denotes a note which alerts you to important information This icon denotes a caution which advises you of precautions to take to avoid injury data loss or a system crash This icon denotes a warning which advises you of precautions to take to avoid being electrically shocked Italic text denotes variables emphasis a cross reference or an introduction to akey concept This font also denotes text that is a placeholder for a word or value that you must supply Text in this font denotes text or characters that you should enter from the keyboard sections of code programming examples and syntax examples This font is also used for the
9. Hz The power supply has a power factor corrected input section and thus can be powered from any nominal line input within the range of 100 VAC to 240 V AC The power supply can also be powered from a 400 Hz AC line frequency DC power line voltages Refer to Appendix A VXI 1501 Specifications for complete input power specifications AN Warning Refer to the Safety Grounding Information section in this chapter for complete grounding information when power line frequencies exceed 66 Hz National Instruments Corporation 1 1 VXI 1501 User Manual Chapter 1 Using the Mainframe Air Flow The air flow into the plug in module slots in the VXI 1501 mainframe is significant The mainframe supplies each of the 13 slots with enough air to cool 60 W while maintaining only a 10 C rise across a typically dense module Up to 75 W per slot may be dissipated if a 15 C rise is acceptable across atypically dense module The graph of Figure 1 1 shows the air flow volume liters second versus change in pressure across the module mm H5O for the mainframe Minimum Airflow per Slot AP Across Module 2 0 mm H20 High Fan Speed 1 0 Airflow liters sec Figure 1 1 Minimum Airflow Available Per Slot The mainframe has a fan chamber with three circulation fans The speed of the fans is controlled by the ambient temperature of the air drawn into the mainframe Air from the fan chamber is forced into the compar
10. VXI 1501 User Manual Wr NATIONAL January 2000 Edition y INSTRUMENTS Part Number 322452A 01 Worldwide Technical Support and Product Information www ni com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin Texas 78759 3504 USA Tel 512 794 0100 Worldwide Offices Australia 03 9879 5166 Austria 0662 45 79 90 0 Belgium 02 757 00 20 Brazil 011 284 5011 Canada Calgary 403 274 9391 Canada Ontario 905 785 0085 Canada Qu bec 514 694 8521 China 0755 3904939 Denmark 45 76 26 00 Finland 09 725 725 11 France 01 48 14 24 24 Germany 089 741 31 30 Greece 30 1 42 96 427 Hong Kong 2645 3186 India 91805275406 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico D F 5 280 7625 Mexico Monterrey 8 357 7695 Netherlands 0348 433466 New Zealand 09 914 0488 Norway 32 27 73 00 Poland 0 22 528 94 06 Portugal 351 1 726 9011 Singapore 2265886 Spain 91 640 0085 Sweden 08 587 895 00 Switzerland 056 200 51 51 Taiwan 02 2528 7227 United Kingdom 01635 523545 For further support information see the Technical Support Resources appendix To comment on the documentation send e mail to techpubs ni com Copyright 2000 National Instruments Corporation All rights reserved Important Information Warranty The VXI 1501 mainframe is warranted against defects in materials and workmanship for a period of one year from the date of shipment as evidenced by rec
11. e or if you do not have internet access NI Web Support To provide you with immediate answers and solutions 24 hours a day 365 days a year National Instruments maintains extensive online technical support resources They are available to you at no cost are updated daily and can be found in the Technical Support section of our Web site at www ni com support Online Problem Solving and Diagnostic Resources e KnowledgeBase A searchable database containing thousands of frequently asked questions FAQs and their corresponding answers or solutions including special sections devoted to our newest products The database is updated daily in response to new customer experiences and feedback e Troubleshooting Wizards Step by step guides lead you through common problems and answer questions about our entire product line Wizards include screen shots that illustrate the steps being described and provide detailed information ranging from simple getting started instructions to advanced topics e Product Manuals A comprehensive searchable library of the latest editions of National Instruments hardware and software product manuals e Hardware Reference Database A searchable database containing brief hardware descriptions mechanical drawings and helpful images of jumper settings and connector pinouts Application Notes A library with more than 100 short papers addressing specific topics such as creating and calling DLLs developin
12. eipts or other documentation National Instruments will at its option repair or replace equipment that proves to be defective during the warranty period This warranty includes parts and labor The media on which you receive National Instruments software are warranted not to fail to execute programming instructions due to defects in materials and workmanship for a period of 90 days from date of shipment as evidenced by receipts or other documentation National Instruments will at its option repair or replace software media that do not execute programming instructions if National Instruments receives notice of such defects during the warranty period National Instruments does not warrant that the operation of the software shall be uninterrupted or error free A Return Material Authorization RMA number must be obtained from the factory and clearly marked on the outside of the package before any equipment will be accepted for warranty work National Instruments will pay the shipping costs of returning to the owner parts which are covered by warranty National Instruments believes that the information in this document is accurate The document has been carefully reviewed for technical accuracy In the event that technical or typographical errors exist National Instruments reserves the right to make changes to subsequent editions of this document without prior notice to holders of this edition The reader should consult National Instruments if errors
13. eless communications from interference The FCC places digital electronics into two classes These classes are known as Class A for use in industrial commercial locations only or Class B for use in residential or commercial locations Depending on where it is operated this product could be subject to restrictions in the FCC rules In Canada the Department of Communications DOC of Industry Canada regulates wireless interference in much the same way Digital electronics emit weak signals during normal operation that can affect radio television or other wireless products By examining the product you purchased you can determine the FCC Class and therefore which of the two FCC DOC Warnings apply in the following sections Some products may not be labeled at all for FCC if so the reader should then assume these are Class A devices FCC Class A products only display a simple warning statement of one paragraph in length regarding interference and undesired operation Most of our products are FCC Class A The FCC rules have restrictions regarding the locations where FCC Class A products can be operated FCC Class B products display either a FCC ID code starting with the letters EXN Trade Wane Model NURESE or the FCC Class B compliance mark that appears as shown here on the right Nested to Cona Fe with FCC Standards Consult the FCC web site http www fcc gov for more information FCC DOC Warnings This equipment generates and u
14. ely These two connections are wired in parallel with the front panel ON STANDBY switch The front panel switch must be in STANDBY position for the remote switch to function correctly SUB D POWER CONNECTOR SUPPLY Figure 1 3 Remote Standby Switch Wiring VXI 1501 User Manual 1 6 WWW ni com National Instruments Corporation Chapter 1 Using the Mainframe If you want to disable the front panel switch completely you can remove R93 a surface mount 0 Ohm resistor on the back of the backplane PCA Figure 1 4 shows the location of this resistor Once R93 is removed the only way to control power is through a switch connected to pins 5 and 18 of the 25 pin D connector on the rear panel of the mainframe To access the interface board remove the power supply PC Backplane Assembly Located Under the Connector Figure 1 4 Location of R93 Surface Mount Resistor 1 7 VXI 1501 User Manual Chapter 1 Using the Mainframe Installing the Power Line Fuse The mainframe is shipped with a 15 A fast blow 15 AF fuse already installed This fuse is suitable for all line voltages Figure 1 5 shows how to replace the fuse if necessary Fuseholder Figure 1 5 Replacing the Power Line Fuse AN Warning For continued protection against fire hazard replace fuse only with fuse of same type and current rating VXI 1501 User Manual 1 8 www ni com Chapter 1 Using the Mainframe
15. g your own instrument driver software and porting applications between platforms and operating systems National Instruments Corporation B 1 VXI 1501 User Manual Appendix B Technical Support Resources Software Related Resources Instrument Driver Network A library with hundreds of instrument drivers for control of standalone instruments via GPIB VXI or serial interfaces You also can submit a request for a particular instrument driver if it does not already appear in the library e Example Programs Database A database with numerous non shipping example programs for National Instruments programming environments You can use them to complement the example programs that are already included with National Instruments products Software Library A library with updates and patches to application software links to the latest versions of driver software for National Instruments hardware products and utility routines Worldwide Support VXI 1501 User Manual National Instruments has offices located around the globe Many branch offices maintain a Web site to provide information on local services You can access these Web sites from www ni com worldwide If you have trouble connecting to our Web site please contact your local National Instruments office or the source from which you purchased your National Instruments product s to obtain support For telephone support in the United States dial 512 795 8248 For telep
16. gins 1 Per VXI Specification rev 1 4 National Instruments Corporation A 3 VXI 1501 User Manual Appendix A VXI 1501 Specifications Cooling Provided Minimum Airflow per Slot AP Across Module 2 0 mm H20 High Fan Speed 1 0 pti tity i 1 2 3 4 5 6 Airflow liters sec Fan set to Variable Quiet operation approximately 75 airflow at 30 C ambient temperature and high speed operation at gt 40 C ambient temperature Fan set to High Full airflow all the time For modules with typical density 10 C rise at 60 W per slot 15 C rise at 75 W per slot Acoustical noise Low fan 48 dBA sound pressure at bystander position Lpa 48 dB fiktiver Arbeitsplatz normalier Betrieb nach DIN 45635 T 1 High fan 56 dBA sound pressure at bystander position Lpa 56 dB fiktiver Arbeitsplatz normalier Betrieb nach DIN 45635 T 1 Salelysccanns edi HORE Meets UL 3111 1 CAN CSA C22 2 1010 1 IEC 61010 1 and EN 61010 1 VXI 1501 User Manual A 4 WWW ni com Technical Support Resources This appendix describes the comprehensive resources available to you in the Technical Support section of the National Instruments Web site and provides technical support telephone numbers for you to use if you have trouble connecting to our Web sit
17. hone support outside the United States contact your local branch office Australia 03 9879 5166 Austria 0662 45 79 90 0 Belgium 02 757 00 20 Brazil 011 284 5011 Canada Calgary 403 274 9391 Canada Ontario 905 785 0085 Canada Qu bec 514 694 8521 China 0755 3904939 Denmark 45 76 26 00 Finland 09 725 725 11 France 01 48 14 24 24 Germany 089 741 31 30 Greece 30 1 42 96 427 Hong Kong 2645 3186 India 91805275406 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico D F 5 280 7625 Mexico Monterrey 8 357 7695 Netherlands 0348 433466 New Zealand 09 914 0488 Norway 32 27 73 00 Poland 0 22 528 94 06 Portugal 351 1 726 9011 Singapore 2265886 Spain 91 640 0085 Sweden 08 587 895 00 Switzerland 056 200 51 51 Taiwan 02 2528 7227 United Kingdom 01635 523545 B 2 WWW ni com Index A AC mains power supply cords requirements 1 9 acoustical noise A 4 air flow 1 2 minimum airflow available per slot figure 1 2 obstructions caution 1 3 C connectors pinouts table figure 1 4 rear panel auxiliary connector 1 4 conventions used in manual vi cooling provided A 4 D disabling the front panel switch 1 7 F fan 1 3 forcing to high speed figure 1 3 variable speed 1 3 front panel switch disabling 1 7 fuse A 2 G general power supply A 2 grounding procedure figures 1 10 H humidity A 3 National Instruments Corporation input powe
18. l standby circuitry in all modules mounted in the mainframe can draw a total of 1 0 A when active SYSRESET This pin provides an extension of the backplane SYSRESET signal It can be used to monitor for SYSRESET or to send SYSRESET to the backplane Shorting this line to ground inputs a SYSRESET signal to the system If you use any extension cable out of the 25 pin D connector on the mainframe rear panel make certain that you do not violate V XI backplane electrical specifications that is keep the cable as short as possible or buffer the signal etc National Instruments Corporation 1 5 VXI 1501 User Manual Chapter 1 Using the Mainframe ACFAIL This pin lets you monitor the ACFAIL signal from the backplane Because this pin is connected directly to the backplane do not violate VXI backplane electrical specifications that is keep the cable as short as possible or buffer the signal etc EXHAUST TEMP This pin provides an analog output that is proportional to the power supply exhaust temperature Using this circuit you can monitor the actual temperature of the power supply exhaust temperature to receive a warning signal that the mainframe is running under abnormal conditions This output provides 0 VDC at 0 C with a rise of 10 mV per degree centigrade when referenced to chassis ground Remote Standby Switch The remote standby switch connection lets you turn the mainframe ON or put itin STANDBY mode remot
19. lement sur le mat riel brouilleur du Canada Class B Federal Communications Commission This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Canadian Department of Communications This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe B respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada European Union Compliance to
20. mbient temperature high speed operation at gt 40 C ambient temperature e High Speed Mode switch selectable Full airflow at all times Figure 1 2 Forcing the Fan to High Speed National Instruments Corporation 1 3 VXI 1501 User Manual Chapter 1 Using the Mainframe Rear Panel Auxiliary Connector A 25 pin D connector is provided on the rear panel of the mainframe to allow monitoring of power supply voltages and other functions The pinouts for this connector are shown in Table 1 1 Table 1 1 Connector Pinouts and Description Pin Function Description 1 5 VM 5 V for voltage monitoring 2 4 mA max 2 12 VM 12 V for voltage monitoring 2 4 mA max 3 24 VM 24 V for voltage monitoring 2 4 mA max 4 2 VM 2 V for voltage monitoring 2 4 mA max 5 REM STDBY Remote power switch 6 5 5 V output for charging batteries running external TTL circuits etc 1 A max 7 12 V 12 V output for charging batteries running external TTL circuits relays etc 1 A max 8 5 V STDBY Input for 5 V standby current for example from external battery Max 1 A combined total pins 8 and 21 9 GND Chassis ground 10 SYSRESET Backplane SYSRESET signal input or output If you use this pin be careful not to violate backplane electrical specifications that is keep extender cable as short as possible 11 EXHAUST TEMP An analog o
21. r 1 1 A 1 L line voltage 1 1 M mainframe description 1 1 size 1 using 1 1 weight A 1 N National Instruments Web support B 1 online problem solving and diagnostic resources B 1 P pinouts table figure 1 4 power line fuse installing 1 8 replacing figure caution 1 8 power supply AC mains power supply cord requirements 1 9 power supply outputs A 2 VXI 1501 User Manual Index R R93 surface mount resistor location figure 1 7 random vibration A 3 remote standby switch 1 6 wiring figure 1 6 S shock A 3 software related resources B 2 specifications 1 acoustical noise A 4 cooling provided A 4 fuse A 2 general power supply A 2 humidity A 3 input power A 1 mainframe weight A 1 power supply outputs A 2 random vibration A 3 shock A 3 temperature range A 3 VXI ripple noise A 3 standby mode 1 6 switch front panel disabling 1 7 T technical support resources B 1 telephone support B 2 temperature range A 3 VXI 1501 User Manual 1 2 variable speed fan 1 3 VXI ripple noise 3 VXI 1501 air flow 1 2 connectors pinouts table figure 1 4 forcing fan to high speed figure 1 3 grounding procedure figures 1 10 grounding connection 1 10 grounding screw toothed washers 1 10 input power 1 1 A 1 line voltage 1 1 mainframe size 1 using and description of 1 1 weight A 1 remote standby switch 1 6 specifications
22. rew Toothed Washers sese 1 10 Tables National Instruments Corporation vii VXI 1501 User Manual Table 1 1 Connector Pinouts and Description sess 1 4 Table 1 2 Rating Requirements for Power Cords ess 1 9 Using the Mainframe Mainframe Description The VXI 1501 mainframe is designed in full compliance with the V XIbus specification Rev 2 0 The mainframe contains 13 slots for plug in modules and can be rack mounted in either the forward or reverse position Other features of the VXI 1501 mainframe include the following e Power supply reliability e Solid state automatic bus grant sensing to bypass empty slots no backplane jumpers required e Variable speed fan cooling e Rear mounted 25 pin D connector for auxiliary power supply monitoring e Easy replacement of major components most can be replaced from the rear of the mainframe even while the mainframe is mounted in a rack e Seven standard V XIbus power supply voltages all overvoltage overcurrent and temperature protected e Maximum usable power total power supply output power before thermal protection shutdown 1690 W 25 C 1690 W 40 C 1488 W 55 Line Voltage and Input Power The VXI 1501 mainframe includes a power supply that automatically adjusts for standard nominal line voltages of 100 120 VAC and 220 240 V AC and nominal power line frequencies of 50 Hz and 60
23. ses radio frequency energy and if not installed and used in strict accordance with the instructions in this manual and the CE Mark Declaration of Conformity may cause interference to radio and television reception Classification requirements are the same for the Federal Communications Commission FCC and the Canadian Department of Communications DOC FOR HOME OR OFFICE USE Changes or modifications not expressly approved by National Instruments could void the user s authority to operate the equipment under the FCC Rules Class A Federal Communications Commission This equipment has been tested and found to comply with the limits for a 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 generates 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 which case the user will be required to correct the interference at his own expense Canadian Department of Communications This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du R g
24. tmentalized plenum at the bottom of the mainframe Although the plenum does contain a compartmentalized structure some air flow is always present in each of the 13 slots even if one of the three mainframe circulation fans fails to operate The air passes through the installed modules and escapes out the sides and top of the mainframe If any plug in module exceeds 40 W dissipation you must provide a minimum of 20 mm 0 8 in of clearance above the mainframe A fourth fan provides cooling for the power supply This fan is mounted on the side of the mainframe VXI 1501 User Manual 1 2 www ni com Chapter 1 Using the Mainframe Caution When installing the mainframe in your system ensure that the air inlets and outlets are not obstructed This prevents damage to the mainframe and installed modules due to overheating Clean the air filter regularly Variable Speed Fan Normally the speed of the four internal circulation fans is determined by the ambient temperature of the air drawn into the mainframe One fan cools the power supply module and three fans cool the VXI modules inserted into the mainframe You can override the temperature controlled speed of the fans by changing the position of the Fan Speed Control Switch on the rear of the mainframe to High This forces all four fans to remain at full speed all of the time The two fan modes are e Variable Speed Mode factory default Quiet operation 75 airflow at 30 C a
25. trol Copyright Under the copyright laws this publication may not be reproduced or transmitted in any form electronic or mechanical including photocopying recording storing in an information retrieval system or translating in whole or in part without the prior written consent of National Instruments Corporation Portions of the material contained herein are copyright 1995 1997 Hewlett Packard Company Trademarks National Instruments TM and ni com are trademarks of National Instruments Corporation Product and company names mentioned herein are trademarks or trade names of their respective companies WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS D NATIONAL INSTRUMENTS PRODUCTS ARE NOT DESIGNED WITH COMPONENTS AND TESTING FOR A LEVEL OF RELIABILITY SUITABLE FOR USE IN OR IN CONNECTION WITH SURGICAL IMPLANTS OR AS CRITICAL COMPONENTS IN ANY LIFE SUPPORT SYSTEMS WHOSE FAILURE TO PERFORM CAN REASONABLY BE EXPECTED TO CAUSE SIGNIFICANT INJURY TO A HUMAN 2 IN ANY APPLICATION INCLUDING THE ABOVE RELIABILITY OF OPERATION OF THE SOFTWARE PRODUCTS CAN BE IMPAIRED BY ADVERSE FACTORS INCLUDING BUT NOT LIMITED TO FLUCTUATIONS IN ELECTRICAL POWER SUPPLY COMPUTER HARDWARE MALFUNCTIONS COMPUTER OPERATING SYSTEM SOFTWARE FITNESS FITNESS OF COMPILERS AND DEVELOPMENT SOFTWARE USED TO DEVELOP AN APPLICATION INSTALLATION ERRORS SOFTWARE AND HARDWARE COMPATIBILITY PROBLEMS MALFUNCTIONS OR FAILURES OF ELECTRONIC MONITORING OR
26. unit by using the front panel switch Notify the operator of the location of the disconnect device either the power cord or a circuit breaker for this mainframe National Instruments Corporation 1 9 VXI 1501 User Manual Chapter 1 Using the Mainframe Safety Grounding Information AN Warning For protection from electrical shock when operating at mains frequencies greater than 66 Hz connect the chassis ground terminal to permanent earth ground Grounding Procedure Connect a 16 AWG 1 3 mm or larger wire to the PEM nut shown in Figure 1 6 The wire must be green with a yellow stripe or bare no insulation Use an M4 x 10 screw grounding lug and toothed washers or toothed lug as shown in Figure 1 7 Securely attach the other end of the wire to a permanent earth ground using toothed washers or a toothed lug ay kr 1 1 M4 X 0 7 PEM Nut A for Permanent Earth Ground Connection s Figure 1 6 Grounding Connection Wire Lug Toothed Washers 77 Power Supply Case Figure 1 7 Grounding Screw Toothed Washers VXI 1501 User Manual 1 10 WWW ni com VXI 1501 Specifications The VXI 1501 mainframes are 10096 compatible with V XIbus specification revision 2 0 Overall Mainframe Size 426mm 16 8 p H 602mm 23 7 V UI 310mm 122 Mainframe weight eee eee 22 Kg 48 5 Ibs with no modules installed Module
27. utput signal proportional to the power supply exhaust temperature 12 N C Not used 13 N C Not used 14 12 VM 12 V for voltage monitoring 2 4 mA max 15 24 VM 24 V for voltage monitoring 2 4 mA max 16 5 2 VM 5 2 V for voltage monitoring 2 4 mA max 17 GND Chassis ground 18 REM SW Remote power switch return 19 GND Chassis ground 20 GND Chassis ground VXI 1501 User Manual 1 4 WWW ni com Chapter 1 Using the Mainframe Table 1 1 Connector Pinouts and Description Continued Pin Function Description 21 5 V STDBY Input for 5 V standby current for example from external batter Max 1 A combined total pins 8 and 21 22 GND Chassis ground 23 AC FAIL Backplane AC FAIL signal input or output If you use this pin be careful not to violate backplane electrical specifications that is keep extender cable as short as possible 24 GND Chassis ground 25 N C Not used 45V The 5 V output lets you power external TTL circuitry if required The maximum current allowed from this supply is 1 0 A 12 V The 12 V output lets you power a battery charging circuit to provide a source for the 5 V STDBY input The maximum current allowed from this supply is 1 0 A 5 V STDBY This provides an input to the mainframe backplane for a 5 V standby power source This may be from a separate battery or power supply The maximum current input allowed is 1 0 A This means that al
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