SCXI Chassis User Manual
Contents
1. CT CT 1 Fan and Filter 6 Power Entry Connector 2 Fan Screws 7 Power Input Fuse 3 Rear Threaded Strips 8 5 VDC Internal Power Supply Fuse 4 Rear Connector Space 9 Backplane Fuses behind fan 5 Rear Panel Screws flathead on some revisions Figure 2 6 SCXI 1000DC Rear View Diagram Chassis Uses Before you configure the chassis decide whether you are going to use it in multiplexed mode or parallel mode In multiplexed mode analog input AJ channels are multiplexed into one module output so that the cabled E Series DAQ device has access to the multiplexed output of the module and the outputs of all other multiplexed modules in the chassis In parallel mode you need a separate E Series DAQ device for each module to send each of its output channels directly to a separate AI channel of the E Series DAQ device connected to the module National Instruments Corporation 2 7 SCX Chassis User Manual Chapter 2 Configuring and Installing the SCX Chassis Configuring the SCXI Chassis Configuring the chassis involves selecting a chassis or high level data link control HDLC address line voltage and fuse value on any chassis Ei Note Refer to the Read Me First Safety and Radio Frequency Interference document before removing equipment covers or connecting or disconnecting any signal wires Selecting Chassis Addresses These sections provide information about how to sele2. eee eeeeeseeseeeseeeeeeseenes 2 3 Figure 2 3 SCXI 1001 Front View Diagram eee es eeeeseceeeeeeeeeeseeeseeatenes 2 4 Figure 2 4 SCXI 1000 Rear View Diagram ou eee eseeeeeseeeeeeseeseeeseenseeaeenes 2 5 Figure 2 5 SCXI 1001 Rear View Diagram ou eee eee cee eeeeseceeeeseeseeeseenseeseenes 2 6 Figure 2 6 SCXI 1000DC Rear View Diagram 0 cece eee eeeeeseeeeeeseeeeeeatenes 2 7 Figure 2 7 Address Setting Examples eecseeeeesecseceseeeeeseceeeeseteeeeaeeeees 2 9 Figure 2 8 SCXI 1000DC Chassis Address Jumper Setmnge eee eee 2 10 Figure A 1 Physical Dimensions of the SCXI 1001 oo eee ceeeeeeeeeeees A 3 Figure A 2 Physical Dimensions of the SCXI 1000 and SCXI 1000DC A 4 Tables Table 2 1 SCXI Chassis Front View Items 0 0 0 eee eeeeeseeeeeeeeseeeeeneeeseenes 2 1 Table 2 2 SCXI 1000 1001 Chassis Rear View Items eee eeeeseeeeereeees 2 4 Table 2 3 SCXI 1000DC Chassis Rear View Items 0 eee eee eeeeseeeeeeeenes 2 6 Table 2 4 SCXI 1000 1001 Voltage Selection and Fuse Ratings by Region 2 11 SCX Chassis User Manual vi ni com Introduction This manual describes the electrical and mechanical aspects of the SCXI 1000 SCXI 1000DC and SCXI 1001 chassis and contains information concerning their operation The SCXI chassis supply power to and contain control circuitry for the SCXI series of modules The SCXI 1000 and SCXI 1000DC hold up to four modules The SCXI 1001 holds up to 12 modules This
3. Table 2 1 SCXI Chassis Front View Items Item Definition Power switch Powers the chassis on and off Indicator light When lit indicates that the chassis is powered on Reset button Reinitializes Slot 0 and all modules to their power on state when pressed Slot power supply Contains the power supply and control circuitry for the chassis Address DIP switches Determine the chassis address SCXI I 1000 and SCXI 1001 Address selection Determine the chassis address SCXI 1000DC only jumpers located behind the front panel Module guides Guide modules to connect with the SCXIbus connector Backplane Brings power control lines and analog bus connections to modules Front threaded strips Secure modules in the chassis and attach front panels National Instruments Corporation 2 1 SCX Chassis User Manual Chapter 2 Configuring and Installing the SCX Chassis Zeien EE E ER HOT To gt o C CH Gi Gi Gi y O Address DIP Switches Front Panel Screws Reset Button early revisions only Power Switch Module Guides Indicator Light Front Threaded Strips Front Panel Screws Backplane flathead on some revisions 0 Slot 0 Power Supply akWN OON Figure 2 1 SCXI 1000 Front View Diagram SCX Chassis User Manual 2 2
4. 5 oz SCNL IO 6 8 kg 14 lb 14 oz Refer to Figures A 1 and A 2 for the physical dimensions of the four slot chassis SCXI 1000 and SCXI 1000DC and the 12 slot chassis SCXI 1001 A 2 Specifications Appendix A LOOL IXOS 3U 40 SuoIsUaWIG Eed LN aunbly L z v S 9 L 8 Lat TAEDE HOWENSI WY woh hl 10 8 OL RES zl eo Lee oss 2 ue ISMYJHLO SSIINN S3LON SWNIIVS f Sse 00 S 1 gt ea Se mem si rn 3014s aen HUN rm OF STZ 5 00L IXOS NOLS3NOYd STONY ONIMI GE EE r ANON SENG SIS WN SNOISNINIG TWOISAHd osname ae LE S AONAN L am 335 ug Lex OML Hod 10 62 60 IECH vesz SLO Z 4 ZLEL IX S YO SISSVHD LOS X04 LI INNON WO OLEL IXIS ISN 7 d 987 62 11 SI NOISN3WIG SL3YOVEE LNNOW OVE 40 NOLISOd ONIINNON NO SON3d30 NOISNSMION7 SvxaL num ROL weg Geert A LD INNON On ZLEL IXOS V NI VHO 1O1S OML X04 NOISN3WIG_ NOILISOd 0 Z4Z 12 01 SI NOISN3WI ew 101S Z1 V BAVA VW t avi een yoong osz Ten GEZ Layovaa 1NOJ4 ANNOW aen XZ L NOILISOd 4 a a Lt Z NOILISOd NOILISOd Y NOILISOd e NOILISOd SE 9 NOILISOd E El Loe e LoL i avay AHL Teil Szt x Jee 9 2 X 66s oz ayo Z 3113 NV4 XZ
5. current rating relative to the operating voltage Table 2 4 shows the proper A voltage selections and fuse ratings for different regions Caution For continued protection replace fuses only with fuses of the same type and rating Table 2 4 SCXI 1000 1001 Voltage Selection and Fuse Ratings by Region SCXI Main Backplane Chassis Power Fuse Main Power Fuse Backplane Type Region Voltage Quantity Fuse Type Quantity Fuse Type SCXI 1000 100 V Japan 1 3 4 A 250 V 5 mm X 2 1 5 A 125 V LittleFuse 20 mm SLO BLO R251 01 5 TI 120 V 1 1 2 A 250 V 5 mm X 2 1 5 A 125 V LittleFuse 20 mm SLO BLO R251 01 5 TI 220 V Swiss 1 1 4 A 250 V 5 mm X 2 1 5 A 125 V LittleFuse 20 mm SLO BLO R251 01 5 TI 240 V Australia 1 1 4 A 250 V 5 mm X 2 1 5 A 125 V LittleFuse 20 mm SLO BLO R251 01 5 TI 240 V Europe 1 1 4 A 250 V 5 mm X 2 1 5 A 125 V LittleFuse 20 mm SLO BLO R251 01 5 TI 240 V North American 1 1 4 A 250 V 5 mm X 2 1 5 A 125 V LittleFuse 20 mm SLO BLO R251 01 5 TI 240 V U K 1 1 4 A 250 V 5 mm X 2 1 5 A 125 V LittleFuse 20 mm SLO BLO R251 01 5 TI National Instruments Corporation 2 11 SCXI Chassis User Manual Chapter 2 Configuring and Installing the SCX Chassis Table 2 4 SCXI 1000 1001 Voltage Selection and Fuse Ratings by Region Continued SCXI Main Backplane Chassis Power Fuse Main Power Fuse Backplane Type Region Voltage Quantity Fuse Type Q
6. 2 5 2 6 2 7 rear view items table 2 4 2 6 National Instruments Corporation chassis usage considerations 2 7 fuse replacement and check procedure backplane SCXI 1000 and SCXI 1001 2 13 SCXI 1000DC 2 14 fuse replacement for power entry module 5 VDC fuse replacement SCXI 1000DC 2 14 voltage selection for SCXI 1000 and SCXI 1001 procedure 2 12 voltage selection and fuse ratings by region table 2 11 conventions used in the manual iv D documentation conventions used in the manual iv National Instruments documentation 1 3 related documentation 1 4 E electromagnetic compatibility specifications A 5 environmental specifications A 5 equipment optional 1 4 F fan filter maintenance 2 17 filler panel installation front filler panel 2 17 rear filler panel 2 17 frequently asked questions B 1 SCX Chassis User Manual Index fuse replacement backplane fuse replacement and check procedure SCXI 1000 and SCXI 1001 2 13 SCXI 1000DC 2 14 fuse ratings by region table SCXI 1000 and SCXI 1001 2 11 fuse replacement for power entry module 5 VDC fuse replacement SCXI 1000DC 2 14 SCXI 1000DC 2 14 fuse blown B 1 installation chassis descriptions front view diagrams 2 2 2 3 2 4 front view items table 2 1 rear view diagrams 2 5 2 6 2 7 rear view items table 2 4 2 6 fan filter maintenance 2 17 filler panel installation 2 17 SCXI 1000 and SCXI 1001 2 15 SCXI 1000DC 2
7. 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 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 FO
8. mm 0 5 in long the dimension between the fuse sockets and clip the leads to a length of 6 4 mm 0 25 in Using the needle nose pliers insert the fuse into the socket holes Repeat if necessary for the other fuse Check the fan filter and if it is dirty clean it as described in the Maintaining the Fan Filter section Reinstall the fan and filter Installing the SCXI Chassis These sections provide information about installing the SCXI chassis Installing the SCXI 1000 and SCXI 1001 Chassis Complete the following steps to install the SCXI 1000 and SCXI 1001 chassis 1 National Instruments Corporation If necessary change the chassis address of the box by following the instructions in the Selecting Chassis Addresses section Unless you are using multiple chassis skip this step and leave the address at its factory default setting of 0 Place the SCXI chassis on a sturdy level surface Leave at least 10 cm 4 in of space behind the chassis for adequate air circulation Power off the chassis 2 15 SCX Chassis User Manual Chapter 2 Configuring and Installing the SCXI Chassis e A MH 10 11 12 Make sure the voltage selection tumbler in the power entry module is set for the line voltage of the outlet Refer to the Selecting the Voltage section if necessary Insert the female end of the power cord into the power entry module Insert the male end of the power cord into the wall outlet Install
9. 16 maintenance of fan filter 2 17 P problems and solutions B 1 S safety specifications A 5 SCXI chassis common questions B 1 hardware and software requirements 1 1 SCXI Chassis User Manual l 2 optional equipment 1 4 overview 1 1 SCXI chassis descriptions front view diagrams SCXI 1000 2 2 SCXI 1000DC 2 3 SCXI 1001 2 4 front view items table 2 1 rear view diagrams SCXI 1000 2 5 SCXI 1000DC 2 7 SCXI 1001 2 6 rear view items table SCXI 1000 and 1001 2 4 SCXI 1000DC 2 6 SCXI modules troubleshooting and common questions B 1 SCXI 1000 address selection 2 8 jumper settings figure 2 9 front view diagram 2 2 fuse replacement backplane fuse replacement and check procedure 2 13 fuse ratings by region table 2 11 power entry module 2 12 installation 2 15 A 3 physical dimensions figure A 4 rear view diagram 2 5 rear view items table 2 4 source power requirements A 2 voltage selection 2 11 procedure 2 12 voltage selection and fuse ratings by region table 2 11 SCXI 1000DC address selection 2 9 jumper settings figure 2 10 front view diagram 2 3 ni com fuse replacement 5 VDC fuse replacement 2 14 backplane fuse replacement and check procedure 2 14 power entry fuse and 5 VDC 2 14 installation 2 16 physical dimensions figure A 4 rear view diagram 2 7 rear view items table 2 6 source power requirements A 2 SCXI 1001 address selection 2 8 jumper sett
10. 2 4 2 5 and 2 6 Table 2 2 SCXI 1000 1001 Chassis Rear View Items Item Description Power entry module IEC receptacle for power input voltage selection board and fuse Fuse Protects both you and the SCXI chassis in case of a fault in the chassis Voltage tumbler Configures the chassis for the AC line voltage Fan s Cools the chassis Filter s Prevents dirt from contaminating the circuitry in the chassis Fan screws Secure the fan s to the chassis SCX Chassis User Manual 2 4 ni com Chapter 2 Configuring and Installing the SCX Chassis Table 2 2 SCXI 1000 1001 Chassis Rear View Items Continued Item Description Backplane fuses Protect the power supply from shorts on modules Rear connector space For module space connector mounting brackets or adapters Rear threaded strips Secure cable connections mounting brackets or filler panels to the chassis pbooooo CO Fan and Filter Fan Screws OP ob A Rear Panel Screws flathead on some revisions Rear Threaded Strips Rear Connector Space OO JO Voltage Tumbler Power Entry Module Fuse concealed Backplane Fuses behind fan Figure 2 4 SCXI 1000 Rear View Diagram National Instruments Corporation 2 5 SCX Chassis User Manual Chapter 2 Configuring a
11. Address 0 Address 19 Figure 2 7 Address Setting Examples SCXI 1000DC Unless you are using multiple chassis and need to configure one or more SCXI chassis for a different address you can skip this section and the SCXI chassis retains the factory default address of 0 You can configure the SCX chassis for one of 32 different addresses so that you can connect multiple SCXI chassis to the same control source Three jumpers that determine the chassis address are located behind the front panel of Slot 0 just below the Reset button The chassis address is the sum of the values of all the jumpers Figure 2 8 shows examples of both the factory default setting of address 0 and the jumper settings for address 19 3 Note SCXI 1000DC chassis through revision C do not have address jumpers or switches and respond to any address but you cannot use them in multichassis systems Revision D and later chassis use jumpers on Slot 0 for chassis addressing National Instruments Corporation 2 9 SCX Chassis User Manual Chapter 2 Configuring and Installing the SCXI Chassis SCX Chassis User Manual WI 1 1 3 3 5 5 7 S 7 we SSN W3 w3 SSN 16 NIS 6 Chassis Address 0 Chassis Address 19 Factory Setting Example Setting Figure 2 8 SCXI 1000DC Chassis Address Jumper Settings Changing the Chassis Address While referring to Figures 2 2 and 2 6 complete the following steps to change the chassis addr
12. I chassis These are typical at 25 C unless otherwise stated Electrical Characteristics SCXI 1000 Supplies 1000DC SCXI 1101 V Tolerance limits include 18 5 to 25 V 18 5 to 25 V peaks Ripple peak to peak 1 5 V 1 5 V Max load 680 mA 2 04 A v Tolerance limits include 18 5 to 25 V 18 5 to 25 V peaks Ripple peak to peak 1 5 V 1 5 V Max load 680 mA 2 04 A 5 V Tolerance limits include 4 75 to 5 25 V 4 75 to 5 25 V peaks Ripple peak to peak 50 mV 50 mV Max load 250 mA 600 mA Power dissipation ceecseseeseeeseeeaees 7 W per slot Maximum loads are the supply current for the entire chassis Scaling the maximum power gives the allotted current per slot as follows National Instruments Corporation A 1 SCX Chassis User Manual Appendix A Specifications Source Power Requirements Physical SCX Chassis User Manual Supplies SCXI 1000 1000DC SCXI 1001 V 170 mA 170 mA V 170 mA 170 mA 5 V 50 mA 50 mA Max AC C t Line Voltage Sg cis 47 63 Hz SCXI 1000 SCXI 1001 120 VAC 10 0 6 A 1 25 A 100 VAC 10 0 5 A 1 25 A 240 VAC 10 0 25 A 0 75 A 220 VAC 10 0 25 A 0 75 A SCXI 1000DC Input voltage eee eeeeeeeceseeeseeeeneeeneeees 12 VDC nominal 9 5 to 16 0 VDC Max DC operating current AEDS IDC har a a 5 5 A Weight SCNTL IO 3 9 kg 8 lb 10 oz SCXI LOOODC 000 eeeeeeecesscseseseeeeeee 3 3 kg 7 lb
13. R 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 Conventions Ei A A A bold italic monospace SCXI chassis SCXIbus Slot 0 The following conventions are used in this manual The symbol leads you through nested menu items and dialog box options to a final action The sequence File Page Setup Options directs you to pull down the File menu select the Page Setup item and select Options from the last dialog box 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 When this icon is marked on the product refer to the Read Me First Safety and Radio Frequency Interference document shipped with the product for precautions to take When symbol is marked on a product it denotes a warning advising you to take precautions to avoid electrical shock When symbol is marked on a product it denotes a component that may be hot Touching this component may result in bodily injury Bold text denotes items that you must select or click in the software such as menu items and dialog box options Bold text also denotes parameter names Italic text denotes variables emphasis a c
14. SCXI SCXI Chassis User Manual March 2005 lt 7 NATIONAL 374423J 01 N INSTRUMENTS Worldwide Technical Support and Product Information ni com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin Texas 78759 3504 USA Tel 512 683 0100 Worldwide Offices Australia 1800 300 800 Austria 43 0 662 45 79 90 0 Belgium 32 0 2 757 00 20 Brazil 55 11 3262 3599 Canada 800 433 3488 China 86 21 6555 7838 Czech Republic 420 224 235 774 Denmark 45 45 76 26 00 Finland 385 0 9 725 725 11 France 33 0 1 48 14 24 24 Germany 49 0 89 741 31 30 India 91 80 51190000 Israel 972 0 3 6393737 Italy 39 02 413091 Japan 81 3 5472 2970 Korea 82 02 3451 3400 Lebanon 961 0 1 33 28 28 Malaysia 1800 887710 Mexico 01 800 010 0793 Netherlands 31 0 348 433 466 New Zealand 0800 553 322 Norway 47 0 66 90 76 60 Poland 48 22 3390150 Portugal 351 210 311 210 Russia 7 095 783 68 51 Singapore 1800 226 5886 Slovenia 386 3 425 4200 South Africa 27 0 11 805 8197 Spain 34 91 640 0085 Sweden 46 0 8 587 895 00 Switzerland 41 56 200 51 51 Taiwan 886 02 2377 2222 Thailand 662 992 7519 United Kingdom 44 0 1635 523545 For further support information refer to the Signal Conditioning Technical Support Information document To comment on National Instruments documentation refer to the National Instruments Web site at ni com info and enter the info code feedback 1991 2005 National Instruments Corporation All rights reserved I
15. Y3MOd V Leo 90 V ech eser ect 9 641 coe QARASIN SIH TV AO SLANT 27008 jo oios o ma y EC ESAN mee Gi SNOISIATEE T Zz v T S 9 SCXI Chassis User Manual A 3 National Instruments Corporation Specifications Appendix A IG000L IXIS PUB COOL IXOS 34 JO SUOIsUaLUIG EIS 29 ant D S L 8 EEEE imod HOVEN ah ENEE vo Eo SR RER Ou ISIMYIHLO SSIINN S3LON 107476 SN soho oort s Taro 10S Ne e DEEN IC rom SI NYS ug rs Aren mmm 6 88 o e T7 SNOISNSAIG WWOISAHd oozy me 33S uet mcel Ei mvs US SCH ce d S134OVHS LNNOW ADVE JO NOILISOd NILNNON NO SON3d30 NORMAN SE y Seal Sr AER BCEE Ee ee d GH AGNASSY SISSVHO 40 JIS 19115 NO aasn e SE 38 NYO ONY Tse BUY EL fl 13XVAA INNON HOVE E Sage DER Ge losz ena g E e 1NOJ4 CO L NOWISOd 1a H Z NOLLISOd NOILISOd Y NOLISOd 8 SA HSH gt 691z S NOILISOd Ken dol 9 NOILISOd 3 CC l avay non 8e ein s 6s aczxlepel oer a409 ZY31l4 NV4 YIMOd Teo 90 sz a Gei 0 241 eg e61 sore are Sie TV JOUR SINSANNISNI WNOLYN 1002 Lengt 9621 04 ES DESEEREESEEEEEHR NowarsoS30 ro SNOISIAZE Z ni com A 4 SCX Chassis User Manual Appendix A Specifications En
16. abVIEW VI that you can obtain from ni com express by entering the info code rdtscp My chassis will not power on What should I check Check the to make sure the power cord is attached and connected to a power source Look at the voltage selection tumbler above the power cord receptacle and make sure it is set to the correct voltage Make sure the power switch is powered on Verify that the main power fuse is good National Instruments Corporation B 1 SCXI Chassis User Manual Glossary Symbol Prefix Value p pico 107 m milli 103 k kilo 103 Numbers Symbols G degrees negative of or minus Q ohms plus or minus positive of or plus percent 5 V signal 5 VDC source signal A A amperes A D analog to digital AC alternating current C Celsius National Instruments Corporation G 1 SCH Chassis User Manual Glossary D A DAQ FIFO fuse GND T O IEC in SCXI Chassis User Manual digital to analog data acquisition 1 collecting and measuring electrical signals from sensors transducers and test probes or fixtures and processing the measurement data using a computer 2 collecting and measuring the same kinds of electrical signals with A D and or DIO boards plugged into a computer and possibly generating control signals with D A and or DIO boards in the same computer 1 Fahrenheit a temperature measurement scale 2 farad a measurement
17. abWindows CVI Data Acquisition and Easy I O libraries Measurement Studio which includes tools for Visual C and tools for Visual Basic is a development suite that allows you to design test and measurement applications For Visual Basic developers Measurement Studio features a set of ActiveX controls for using National Instruments DAQ hardware These ActiveX controls provide a high level programming interface for building virtual instruments VIs For Visual C developers Measurement Studio offers a set of Visual C classes and tools to integrate those classes into Visual C applications The ActiveX controls and classes are available with Measurement Studio and the NI DAQ software VI Logger is an easy to use yet flexible tool specifically designed for data logging applications Using dialog windows you can configure data logging tasks to easily acquire log view and share your data VI Logger does not require any programming it is a stand alone configuration based software Using LabVIEW LabWindows CVI Measurement Studio or VI Logger greatly reduces the development time for your data acquisition and control application National Instruments Documentation The SCXI Chassis User Manual is one piece of the documentation set for the data acquisition and SCXI system You could have any of several types of documents depending on the hardware and software in the system Use the documents you have as follows e Getting Starte
18. aphical 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 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
19. chapter describes the SCXI chassis lists what you need to get started and describes the optional software and equipment About the SCXI Chassis The SCXI 1000 and SCXI 1001 chassis are powered with standard AC power The SCXI 1000DC is powered by any 9 5 to 16 VDC source such as the optional SCXI 1382 battery pack or the SCXI 1383 power supply Every SCXI chassis supplies a low noise environment for signal conditioning supplying power and control circuitry for the modules It is a general purpose chassis that you can use with current SCXI modules Refer to Appendix A Specifications for detailed SCXI 1000 SCXI 1000DC and SCXI 1001 specifications What You Need to Get Started To set up and use the SCXI chassis you need the following items Q Hardware One of the following SCXI chassis e SCXI 1000 e SCXI 1000DC e SCXI 1001 One of the following depending on your application e Power cord 120 220 or 240 VAC National Instruments Corporation 1 1 SCXI Chassis User Manual Chapter 1 Introduction e SCXI 1382 battery pack SCXI 1000DC only s SCXI 1383 VDC power supply SCXI 1000DC only A Computer QO Software NI DAQ One of the following software packages e LabVIEW e LabWindows CVI e Measurement Studio Q Documentation SCXI Chassis User Manual Read Me First Safety and Radio Frequency Interference SCHT Quick Start Guide Documentation for your hardware D
20. ct addresses for the SCXI chassis SCXI 1000 1001 Unless you are using multiple chassis and need to configure one or more SCXI chassis for a different address you can skip this section and the SCXI chassis retains factory default address of 0 You can configure the SCXI chassis for one of 32 different addresses so that you can connect multiple SCXI chassis to the same control source The five switches on the front panel of Slot 0 determine the chassis address Switches one through five represent the values 1 2 4 8 and 16 when set to the ON position When set to the OFF position their value is zero The chassis address is the sum of the switch values Figure 2 7 shows examples of both the factory default setting of the chassis address 0 and the switch setting for chassis address 19 Ei Note SCXI 1000 chassis through revision D do not have address jumpers or switches and respond to any address but you cannot use them in multichassis systems Revision E chassis use jumpers on Slot 0 for chassis addressing Revision F and later chassis use a DIP switch for chassis addressing SCXI 1001 chassis through revision D use jumpers on Slot 0 for chassis addressing Revision E and later chassis use a DIP switch for chassis addressing SCX Chassis User Manual 2 8 ni com Chapter 2 Configuring and Installing the SCX Chassis 5 Lie 4 4 3 3 2 2 1 1 fo ON lt ON lt Chassis Default
21. d with SCXI Read this manual first It gives an overview of the SCXI system and contains the most commonly needed information for the modules chassis and software National Instruments Corporation 1 3 SCXI Chassis User Manual Chapter 1 Introduction e The SCXI Quick Start Guide This document describes how to set up an SCXI chassis install SCXI modules and terminal blocks and configure the SCXI system in Measurement amp Automation Explorer MAX e The SCXI hardware user manuals Read these manuals next for detailed information about signal connections and module configuration They also explain in greater detail how the module works and contain application hints e The DAQ hardware user manuals These manuals have detailed information about the DAQ hardware that plugs into or is connected to the computer Use these manuals for hardware installation and configuration instructions specification information about the DAQ hardware and application hints e Software documentation Examples of software documentation you may have are the LabVIEW Measurement Studio and NI DAQ documentation sets After you set up the hardware system use either the application software LabVIEW or Measurement Studio or the NI DAQ documentation to help you write your application If you have a large complicated system it is worthwhile to look through the software documentation before you configure the hardware e Accessory installation guides
22. e modules Consult the SCXI module user manual for cabling installation instructions Install any needed front and rear filler panels Power on the chassis 2 16 ni com Chapter 2 Configuring and Installing the SCX Chassis 10 Power on the computer connected to the modules 11 Refer to the SCXI Quick Start Guide to complete the SCXI system installation Installing Filler Panels The front and rear filler panel accessories protect the inside of the chassis and the installed modules by preventing unwanted material from entering the chassis and damaging modules or forming conductive paths that can degrade performance Install all modules first then start installing filler panels from the edge of a front panel Installing Front Filler Panels Complete the following steps to install front filler panels 1 Place the panel with the captive screws to the right of the chassis front Line up the screws with the threaded strip holes 2 Using a flathead screwdriver screw the captive screws into the threaded strip holes Installing Rear Panels Complete the following steps to install rear panels 1 Place the panel at the rear of the chassis between the two threaded strips Align the panel so that the serial number faces into the chassis and the screw holes are on the right 2 Using a flathead screwdriver screw the two screws through the rear panel into the threaded strip holes Maintaining the Fan Filter The brus
23. ess of the SCXI 1000DC 1 Power off the chassis and remove the power cord from the power entry module 2 To prevent a shock hazard wait at least one minute before proceeding to step 3 3 Using a screwdriver remove the four six on some revisions panhead screws from the front panel of Slot 0 Remove the six screws from the rear panel Remove the controller from Slot 0 Set all three jumpers for the chassis address you want Replace the controller in Slot 0 Replace the four six on some revisions screws Do not overtighten SO l O E E Replace the six screws in the rear panel Do not overtighten 2 10 ni com Chapter 2 Configuring and Installing the SCX Chassis Selecting Voltage and Replacing the Fuse for the SCXI 1000 and SCXI 1001 If you ordered the chassis with the appropriate part number the 0x extension of the kit part number corresponds to your geographical region the voltage tumbler and fuse are correct for operation in your geographical region Check the voltage on the voltage tumbler to ensure that you have the correct voltage tumbler setting and fuse The SCXI chassis can operate with line voltages of 100 120 220 and 240 VAC The voltage tumbler in the power entry module determines the voltage for which the chassis is configured You can identify the operating voltage by looking at the number on the power entry module when the door that covers the tumbler is closed The fuse is 5 x 20 mm which has a
24. hless fan s on the rear of the SCXI chassis cool the chassis and modules To keep the fan effective the fan filter s must be clean Dust and dirt accumulation reduces airflow making the inside of the chassis hotter shortening the life of the chassis and modules Complete the following steps to clean the fan filter s 1 Power off the chassis 2 Remove the power cord from the power entry module 3 Place the chassis face down on a flat surface so that the fan is on top If the chassis is so heavily cabled that you cannot easily place it in this National Instruments Corporation 2 17 SCXI Chassis User Manual Chapter 2 Configuring and Installing the SCX Chassis position leave the chassis as it is but be careful to support the fan during removal and reinstallation to avoid breaking the fan wires 4 Remove the fan filter Remove the four screws that secure the fan and filter to the rear of the chassis When removing the last screw be careful to hold the fan to avoid breaking the fan wires 5 Clean the fan filter by moving the filter around under a gentle stream of cold tap water until all the dust is removed Dry the filter 6 Replace the fan filter by aligning the fan and filter with the fan holes making sure that the label side of the fan is face down Reinstall the four screws and make sure the assembly is secure SCX Chassis User Manual 2 18 ni com Specifications This appendix lists the specifications of the SCX
25. ing the SCXT Ch sSSiS sisine a aia a 2 8 Selecting Chassis Adclteseeg 22 EEEESEEEREENEENEEEEEEUEEEeEE a 2 8 SES IA LAT LEE 2 8 SEXP LA LATE SE 2 9 Selecting Voltage and Replacing the Fuse for the SCXI 1000 anid SCX 1 UE 2 11 Selecting the Voltage 2 Korii ai REENEN EENS 2 12 Replacing the Power Entry Module Fuse sosseeseeseeeeeeeeeeseseeeeseeeee 2 12 Replacing and Checking Backplane Fuses on the SCXI 1000 and RE AE 2 13 Replacing the Fuses on the SCXI 1000DC occ ce eee eneeteeseeeeeetsees 2 14 Replacing the Power Entry Fuse and 5 VDC use 2 14 Replacing and Checking Backplane Fuses eee eeeeeeeee ees 2 14 Installing the SCXD Cassis ier Secs eege SEA EE Ae EE 2 15 Installing the SCXI 1000 and SCXI 1001 Chassis 0 eeeeee eee eees 2 15 Installing the SCXI 1000DC Chassis 2 16 Installing Filler Panels 3ici2 sciidaawnige eal daira waa eis 2 17 Installing Front Filler Panels ccccssssessscsrcessseesscenscseseestsonsersnscnnsensetennes 2 17 Installing Rear Panel Sco c sccceretezihccsetasipatevinevasdecthcvsacdeteacel a aa E aas 2 17 Maintaining the Fan FINED ded aeee e a ie a ceva Gch E E ei de cunederevesseqevess 2 17 Appendix A Specifications National Instruments Corporation v SCXI Chassis User Manual Contents Appendix B Common Questions Glossary Index Figures Figure 2 1 SCXI 1000 Front View Daeram eee eee eeeeseeseeeeeseeeseeeeeeseenes 2 2 Figure 2 2 SCXI 1000DC Front View Diagram 0
26. ings figure 2 9 front view diagram 2 4 fuse replacement backplane fuse replacement and check procedure 2 13 fuse ratings by region table 2 11 power entry module 2 12 installation 2 15 physical dimensions figure A 3 rear view diagram 2 6 rear view items table 2 4 source power requirements A 2 voltage selection 2 11 procedure 2 12 voltage selection and fuse ratings by region table 2 11 software programming choices 1 2 National Instruments Corporation l 3 Index source power requirements SCXI 1000 and 1001 A 2 SCXI 1000DC A 2 specifications CE compliance A 6 electrical characteristics table A 1 electromagnetic compatibility A 5 environmental A 5 physical dimensions SCXI 1000 and SCXI 1000DC figure A 4 SCXI 1001 figure A 3 safety A 5 source power requirements SCXI 1000 and 1001 A 2 SCXI 1000DC A 2 weight A 2 V voltage selection See also fuse replacement SCXI 1000 and SCXI 1001 2 11 procedure 2 12 voltage selection and fuse ratings by region table 2 11 W weight specifications A 2 SCX Chassis User Manual
27. mation To obtain the DoC for this product visit ni com certification search by model number or product line and click the appropriate link in the Certification column SCX Chassis User Manual A 6 ni com Common Questions My chassis worked fine until I inadvertently removed and reinserted a module while the chassis was on Now my chassis does not power on What can I do SCXI modules are not hot swapable so you may have blown a fuse Refer to Chapter 2 Configuring and Installing the SCXI Chassis for information on fuse replacement If replacing the fuse does not correct the problem you may have damaged the digital bus circuitry or the SCXI module Please contact NI Technical Support at ni com support for assistance My chassis power is on my modules are configured for multiplexed mode and I am not getting good data All the channels read the same voltage even though I know I am putting different voltages into each channel What is causing this problem The SCXI chassis has backplane fuses One or both of these fuses could be blown Refer to the Replacing and Checking Backplane Fuses on the SCXI 1000 and SCXI 1001 section of Chapter 2 Configuring and Installing the SCXI Chassis for fuse replacement information Can I programmatically detect whether or not my chassis is powered on Not exactly You can determine whether or not you can communicate with configured modules through SCXI_ModuleID_Read in NI DAQ or using a L
28. mportant Information Warranty The SCXI chassis SCXI 1000 SCXI 1000DC and SCXI 1001 are warranted against defects in materials and workmanship for a period of one year from the date of shipment as evidenced by receipts 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 typogr
29. nd Installing the SCXI Chassis ESCH oo To cro cr oc GG oro cro cr o To cro y ecooocoooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo0oo0000T Fans and Filters akWN Fan Screws each fan Rear Threaded Strips Rear Connector Space Rear Panel Screws flathead on some revisions Voltage Tumbler Power Entry Module Fuse concealed Backplane Fuses behind fan OO JO Figure 2 5 SCXI 1001 Rear View Diagram Table 2 3 SCXI 1000DC Chassis Rear View Items Item Description Power entry connector J1 Receptacle for power input uses a 9 5 to 16 VDC power source Fuse F1 Power input fuse 6 3 A protects both you and the SCXI chassis in case of a fault in the chassis Fuse F2 5 VDC internal power supply fuse 3 15 A protects the power supply from shorts on modules Fan s Cools the chassis Fan screws Secure the fan s to the chassis Backplane fuses Protect the power supply from shorts on modules Rear connector space For module space connector mounting brackets or adapter boards Rear threaded strips Secure cable connections mounting brackets or filler panels to the chassis SCX Chassis User Manual 2 6 ni com Chapter 2 Configuring and Installing the SCX Chassis vc D DEE GAS CO CO
30. ni com Chapter 2 Configuring and Installing the SCX Chassis Si Si ER KO Oy Po LU bim Dogo0G00 Tor ATIONAL Tor Da Om O OP oh Address Selection Jumpers behind front panel Reset Button Power Switch Indicator Light Front Panel Screws flathead on some revisions O 00N Front Panel Screws early revisions only Module Guides Front Threaded Strips Backplane 0 Slot 0 Power Supply National Instruments Corporation Figure 2 2 SCX 1000DC Front View Diagram 2 3 SCX Chassis User Manual Chapter 2 Configuring and Installing the SCXI Chassis S 9000000000000000 EC Tor To Too Tor Toor Di Yy G 10 1 Address DIP Switches 6 Front Panel Screws early revisions only 2 Reset Button 7 Module Guides 3 Power Switch 8 Front Threaded Strips 4 Indicator Light 9 Backplane 5 Front Panel Screws flathead on some revisions 10 Slot 0 Power Supply Figure 2 3 SCXI 1001 Front View Diagram Tables 2 2 and 2 3 describe the rear view items shown in Figures
31. ocumentation for your software You can download documentation from ni com support Software Programming Choices NI DAQ SCX Chassis User Manual There are several options to choose from when programming the NI plug in DAQ and SCXI hardware You can use LabVIEW LabWindows CVI Measurement Studio or NI DAQ NI DAQ has an extensive library of functions that you can call from the application development environment ADE These functions allow you to use all the features of NI measurement products NI DAQ carries out many of the complex interactions such as programming interrupts between the computer and the DAQ hardware NI DAQ maintains a consistent software interface among its different versions so that you can change platforms with minimal modifications to your code Whether you are using LabVIEW LabWindows CVI Measurement Studio VI Logger or other ADEs your application uses NI DAQ 1 2 ni com Chapter 1 Introduction You can download the most recent version of NI DAQ from ni com downloads National Instruments ADE Software LabVIEW features interactive graphics a state of the art interface and a powerful graphical programming language The LabVIEW Data Acquisition VI Library a series of virtual instruments for using Lab VIEW with National Instruments DAQ hardware is included with LabVIEW LabWindows CVI is a complete ANSI C ADE that features an interactive user interface code generation tools and the L
32. 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 control 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 Trademarks National Instruments NI ni com and LabVIEW are trademarks of National Instruments Corporation Refer to the Terms of Use section on ni com legal for more information about National Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies Patents For patents covering National Instruments products refer to the appropriate location Help Patents in your software the patents txt file on your CD or ni com patents WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS 1 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
33. or manuals lIf you are using accessory products read the terminal block and cable assembly installation guides or accessory user manuals They explain how to physically connect the relevant pieces of the system Consult these guides when you are making the connections e Ifyou are designing your own module the SCXIbus System Specification is available from NI upon request The specification describes the physical electrical and timing requirements for the SCXIbus Optional Equipment SCX Chassis User Manual NI provides a full line of modules that amplify filter isolate and multiplex a wide variety of signal types such as thermocouples resistance temperature detectors RTDs strain gauges high voltage inputs current inputs analog outputs and digital I O signals Cables and terminal blocks with screw terminals BNC connectors or thermocouple plugs are available to connect signals to the modules Refer to the latest NI catalog and ni com catalog for a complete listing of sensors and I O types supported in SCXI 1 4 ni com Configuring and Installing the SCXI Chassis This chapter contains instructions for configuring and installing the SCXI chassis It describes the following e Chassis address selection e Voltage and fuse selection e Chassis modules and accessories installation e Fan filter maintenance Chassis Description Table 2 1 describes the front view items shown in Figures 2 1 2 2 and 2 3
34. ross reference or an introduction to a key 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 proper names of disk drives paths directories programs subprograms subroutines device names functions operations variables filenames and extensions Refers to the SCXI 1000 SCXI 1000DC and SCXI 1001 When information pertains to only one chassis that chassis is named explicitly for example the SCXI 1001 has 12 module slots Refers to the backplane in the chassis A signal on the backplane is referred to as the SCXIbus lt signal name gt line or signal The SCXIbus descriptor may be omitted when the meaning is clear Refers to the power supply and control circuitry in the SCXI chassis Contents Chapter 1 Introduction About the SCX Chassis EE 1 1 What You Need to Get Started AA 1 1 Software Programming Cholte Shirres ena E E E A 1 2 NIFDAQ HE 1 2 National Instruments ADE Software 1 3 National Instruments Documentation 0 eee ee eecceseeeceeseceeeeseeeaeeeeesecseeeaeeseeeseeeeeaes 1 3 Optional Ee en 1 4 Chapter 2 Configuring and Installing the SCXI Chassis Chassis Descriptloniisit eet Eer deities gn tee lees Ree ia 2 1 Chassis USES dria aaraa tegen deed a Eaa E a EEEa iSi e 2 7 Configur
35. se Install the new fuse Push the fuse holder back into the housing and screw it clockwise until it is tight Reinsert the power cord Replacing and Checking Backplane Fuses In addition to the power entry and the 5 V supply fuses the analog supply lines on the backplane are fused at 1 5 A on the SCXI 1000DC chassis If you design a special prototype module use the SCXI 1181 module and fuse the module at 250 mA to avoid blowing the analog backplane and 5 V supply fuses Fusing the module better protects the module because a 2 14 ni com Chapter 2 Configuring and Installing the SCX Chassis failure can result in a large amount of current drawn but not enough to blow the backplane and 5 V fuses On the SCXI 1000DC the backplane fuses are located behind the fan Complete the following steps to check or replace fuses 1 Remove the appropriate fan and filter from the rear of the chassis by following the instructions in the Maintaining the Fan Filter section Be sure to switch the power off and remove the power cord The fuse marked with a copper on the backplane is for the positive analog supply and the fuse marked with a copper is for the negative analog supply To check whether a fuse is blown connect an ohmmeter across the leads If the reading is not approximately 0 Q replace the fuse Using a pair of needle nose pliers carefully extract the fuse Take a new fuse and bend its leads so the component is 12 7
36. the modules into the chassis Install the necessary cabling for the modules Consult the SCXI module user manual for cabling installation instructions Install any front and rear filler panels Power on the chassis Power on the computer connected to the modules Refer to the SCXT Quick Start Guide to complete the SCXI system installation Installing the SCXI 1000DC Chassis Complete the following steps to install the SCXI 1000DC chassis 1 If necessary change the chassis address by following the instructions in the Selecting Chassis Addresses section Unless you are using multiple chassis skip this step and leave the address at its factory default setting of 0 Place the SCXI chassis on a sturdy level surface Leave at least 10 cm 4 in of space behind the chassis for adequate air circulation Place the chassis power switch in the off position Make sure the voltage of the power source is between 9 5 and 16 VDC Insert the power plug into the header J1 E Caution Revision A SCXI 1000DC chassis have screw terminals on the rear panel to connect the power source Wire the power source to these screw terminals Observe the correct polarity as connecting the power source with the wrong polarity can cause permanent damage to the chassis NI is not liable for any damage or injuries resulting from improper power connections SCX Chassis User Manual Install the modules into the chassis Install the necessary cabling for th
37. ther a fuse is blown connect an ohmmeter across the leads If the reading is not approximately 0 Q replace the fuse 3 Using a pair of needle nose pliers carefully extract the fuse National Instruments Corporation 2 13 SCX Chassis User Manual Chapter 2 Configuring and Installing the SCX Chassis Take a new fuse and bend its leads so the component is 12 7 mm 0 5 in long the dimension between the fuse sockets and clip the leads to a length of 6 4 mm 0 25 in Using the needle nose pliers insert the fuse into the socket holes Repeat if necessary for the other fuse Check the fan filter and if it is dirty clean it as described in the Maintaining the Fan Filter section Reinstall the fan and filter Replacing the Fuses on the SCXI 1000DC There are two fuses located on the rear panel of the SCXI 1000DC The input power fuse F1 is a 6 3 A 5 x 20 mm time lag fuse The internal 5 VDC supply is fused by a 3 15 A 5 x 20 mm time lag fuse F2 Replacing the Power Entry Fuse and 5 VDC Fuse UN Caution For continued protection against fire replace fuses only with fuses of the same type and rating SCX Chassis User Manual Complete the following steps to replace the rear panel fuses 1 2 SS Power off the chassis Remove the power cord from power entry connector J1 Turn the fuse holder counter clockwise with a screwdriver and pull out the fuse holder to expose the fuse in the housing Remove the fu
38. uantity Fuse Type SCXI 1001 100 V Japan 1 2 0 A 250 5 mm X 2 4 A 125 V LittleFuse 20 mm SLO BLO R251 00 4 TI 120 V 1 1 6 A 250 5 mm X 2 4 A 125 V LittleFuse 20 mm SLO BLO R251 00 4 TI 220 V Swiss 1 1 0 A 250 5 mm X 2 4 A 125 V LittleFuse 20 mm SLO BLO R251 00 4 TI 240 V Australia 1 1 0 A 250 5 mm X 2 4 A 125 V LittleFuse 20 mm SLO BLO R251 00 4 TI 240 V Europe 1 1 0 A 250 5 mm X 2 4 A 125 V LittleFuse 20 mm SLO BLO R251 00 4 TI 240 V North American 1 1 0 A 250 5 mm X 2 4 A 125 V LittleFuse 20 mm SLO BLO R251 00 4 TI 240 V U K 1 1 0 A 250 5 mm X 2 4 A 125 V LittleFuse 20 mm SLO BLO R251 00 4 TI Selecting the Voltage Complete the following steps to select a voltage 1 Power off the chassis 2 Remove the power cord from the power entry module 3 Using a flathead screwdriver pry the door to the tumbler open from the top 4 Remove the voltage tumbler Rotate the tumbler to the appropriate voltage and reinsert it into the power entry module 6 Close the door Check to make sure that the voltage showing on the selection tumbler is correct 8 Reinsert the power cord A Replacing the Power Entry Module Fuse SCH Chassis User Manual Caution Disconnect all power before removing the cover 2 12 ni com Chapter 2 Configuring and Installing the SCX Chassis Complete the following steps to replace the power entry module fuse 1 Power off the chassis 2 Remove the power cord from the power entry module 3 Using a flathead screwdri
39. unit of capacitance first in first out memory buffer a protective device that breaks a circuit when a current exceeds a rated value ground high level data link control hertz cycles per second of a periodic signal input output the transfer of data to from a computer system involving communications channels operator interface devices and or data acquisition and control interfaces International Electrotechnical Commission inch or inches G 2 ni com ke Ib OZ SCXI VAC VDC kilograms pounds ounces seconds Signal Conditioning eXtensions for Instrumentation volts volts alternating current volts direct current watts National Instruments Corporation G 3 Glossary SCH Chassis User Manual Index Symbols 5 VDC fuse replacement SCXI 1000DC 2 14 A address selection 2 8 jumper settings SCXI 1000 and SCXI 1001 figure 2 9 SCXI 1000DC figure 2 10 jumperless chassis note 2 8 SCXI 1000 and 1001 2 8 SCXI 1000DC 2 9 backplane fuse replacement and check procedure SCXI 1000 and 1001 2 13 SCXI 1000DC 2 14 C cables optional equipment 1 4 CE compliance specifications A 6 chassis address selection See address selection configuration See also installation address selection SCXI 1000 and SCXI 1001 2 8 figure 2 9 SCXI 1000DC 2 9 figure 2 10 chassis descriptions front view diagrams 2 2 2 3 2 4 front view items table 2 1 rear view diagrams
40. ver pry the door to the voltage selection tumbler open from the top Pull out the fuse drawer Remove the fuse Install the new fuse in the drawer a St Ze Reinsert the fuse drawer in the right hand slot with the arrow pointing to the right 99 Close the door 9 Reinsert the power cord Replacing and Checking Backplane Fuses on the SCXI 1000 and SCXI 1001 In addition to the power entry module fuse the analog supply lines on the backplane are fused at 1 5 A on the SCXI 1000 chassis and at 4 A on the SCXI 1001 chassis If you are making your own modules fuse the module at 250 mA to avoid blowing the backplane fuses Fusing the module also better protects the module because a failure can result in a large amount of current drawn but not enough current drawn to blow the backplane fuses On the SCXI 1000 the backplane fuses are located behind the fan On the SCXI 1001 the backplane fuses are located behind the right hand fan near the power entry module as viewed from the rear of the chassis Complete the following steps to check or replace fuses 1 Remove the appropriate fan and filter from the rear of the chassis by following the instructions in the Maintaining the Fan Filter section Make sure to switch the power off and remove the power cord 2 The fuse marked with a copper on the backplane is for the positive analog supply and the fuse marked with a copper is for the negative analog supply To check whe
41. vironmental Operating temperature 0 to 50 C Storage temperature 0 eee 20 to 70 C LS ut Ma 10 to 90 RH noncondensing Maximum altitude cccccscccceeeeeeees 2 000 meters Pollution Degree indoor use only 2 Safety The chassis are designed to meet the requirements of the following standards of safety for electrical equipment for measurement control and laboratory use e TEC 61010 1 EN 61010 1 e UL61010 1 e CAN CSA C22 2 No 61010 1 i Note For UL and other safety certifications refer to the product label or visit ni com certification search by model number or product line and click the appropriate link in the Certification column Electromagnetic Compatibility EMISSIONS semien einna EN 55011 Class A at 10 m FCC Part 15A above 1 GHz Immunity senesne niir EN 61326 1 1997 A2 2001 Table 1 EMC EM Diinan CE C Tick and FCC Part 15 Class A Compliant ei Note For EMC compliance you must operate this device with shielded cabling National Instruments Corporation A 5 SCXI Chassis User Manual Appendix A Specifications CE Compliance The chassis meet the essential requirements of applicable European Directives as amended for CE marking as follows Low Voltage Directive safety 73 23 EEC Electromagnetic Compatibility Directive EMC cranra 89 336 EEC EI Note Refer to the Declaration of Conformity DoC for this product for any additional regulatory compliance infor
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