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SCXI-1129 User Manual - National Instruments

1. 1 0 1 15 7 16 columns Connection Relays 0 4 x 16 Matrix 1 225 tows 2 Relays 3 B2C0 B2C15 16 columns Analog Bus Relays High 0 0 ABO Voltage i T Rear 4 x 16 Matrix i 1 1 B2RO B2R3 AA TOWS 2 11 Signal Relays 3 4 3 Connector 15 1 216 columns Como 1 Digital 4 x 16 Matrix 1 B3RO B3R3 2 1 Relays 3 Low 1 4 0 4 15 MCom Voltage T Rear Com3 Panel 4 rows 4 x 16 Matrix 1 B4R0 B4R3 gt 2 Signal Relays 3 Connector 128 8 SRAM Scan List Memory SCANADVD SCXIBus gt SCXIBus lt Digital Interface Interface Connector gt and Control EXTRIGIN G FPGA Front Signal Calibration EEPROM Connector coa 1939 SCXI 1129 Terminal Modul Block cid Bank 1 Row 0 8160 Bank 1 Column 0 Each row and column consists of two wires One for source and one for return Note The analog bus relays have a built in safety interlock For safety reasons they cannot be closed unless a terminal block is connected National Instruments Corporation Figure 2 4 4 16 Matrix Configuration 2 5 SCXI 1129 User Manual 2 Using the SCXI 1129 4x32 Matrix Configuration The 4 x 32 matrix configuration gives you control of two ind
2. QUE a i98 gt OS EE Oe OE oi 55 ER tom 52 5 Jos OCA t vc Ors i v emo 22 5 Ors os Yo lig OES QI sora 902 sora 9018 IE a x 8 ce iu Lom DICES ICE 08 DIEA a 257 occ NN EE 5 Lim 10088 01018 Hoe OES i QE OES io zioe 21018 25 I DIES 2 x glosa 2108 Geor nod QI 7 ES sli aioe 1088 sloeg 81018 x 2 5 2 3 m 8 OO aig ETE OL WO SCXI 1129 User Manual Relief 6 External Trigger Input EXTRIGIN 7 Scanner Advance Output SCAN ADV 5 Cable Strain 8 Safety Ground Lug Figure 2 2 Terminal Block Example SCXI 1333 2 3 Ground Reference for Trigger Signals 2 Column Expansion Bus 3 Column Connections 4 Row Connections National Instruments Corporation 1 2 Using the SCXI 1129 4x16 Matrix Configuration Figure 2 3 shows an example of the SCXI 1129 configured as a 4 x 16 2 wire matrix In the 4 x 16 matrix configuration you have independent access to four 4 x 16 matrixes The diagram shows connecti
3. Columns are accessed through the terminal block This configuration provides a more convenient way to access all of the switches in the matrix while still having access to the HVAB Refer to Figure 2 7 for the channel names that NI SWITCH uses SCXI 1129 User Manual 2 10 ni com Chapter 2 Using the SCXI 1129 0 15 m ROIUmnE Connection Relays 0 4 16 1 RO R3 Lis 2 Relays 3 C16 C31 16 High 0 4 16 Matrix 1 1 1 tear t 7 ef ase Signal Relays 3 4 3 Connector C32 C47 q Como 1 Digital 4 4 x 16 Matrix 1 rows gt 2 JLi Relays 3 Low C48 C63 Z 16 columns Voltage Y I is a Rear Com3 Panel ATONE 4 x 16 Matrix 1 gt 2 Signal Relays 3 Connector 128 8 SRAM SCANADVD TT SCXIBus lt Digital Interface Interface Connector EXTRIGIN and Control G FPGA Front Signal Calibration EEPROM Connector SCXI 1129 Terminal Module Block Bank 1 Row 0 8160 Bank 1 Column 0 Each row and column consists of two wires One for source and one for return No
4. 5 ABO 2 2 1 8 Slot HVAB Backplane Adapter 5 1 Slot HVAB Backplane Adapter 9 HV8 HV8 Cable 2 HV8 BAN4 Cable 6 NI 4060 for 10 12 Slot SCXI Chassis 3 8 Position HVAB Plug 7 SH9MD 9MD Cable 11 SH9MD 9MD Cable 4 8 2 Slot HVAB Backplane Adapter 12 Slot SCXI Chassis Figure 1 6 12 Slot to 12 Slot Multichassis Configuration Parts Locator Diagram 1 Install the HVAB backplane adapters and jumper blocks in the 12 slot chassis as described in steps 1 through 3 in the Single 12 Slot Chassis Configuration section 2 Connect the HV8 HV8 cable from the first chassis normally the connector behind slot 1 to the HVAB connector behind slot 12 of the next chassis 3 Connectthe SHOMD 9MD cable from the AUX OUT connector of the first chassis to the AUX IN connector behind slot 5 of the next chassis 4 Repeat steps 1 through 3 for each additional chassis National Instruments Corporation 1 15 SCXI 1129 User Manual Chapter 1 Installing and Configuring the SCXI 1129 5 Notes Do not connect SH9MD 9MD cable to the 2 slot HVAB backplane adapter An SCXI 1129 is required in slot 12 of each 12
5. Bacon 30 Bie 29 Foren 28 Boose 27 d 26 ad 25 Bacon 24 ano pin 23 22 AP pad ae 21 pun 20 Bicis te 3b Botte 19 Bicis 18 Bein b Botte 17 Bici gt 16 Bais 15 o b 14 Bic 88897 18 pices 12 Bice 11 Bice le b 5 Bacar 10 Bis pices paces 8 pics 7 1 ner Bacar 6 pics 1 pe 5 Bid z 200 4 pin 3 6 4 ES 885 2 inte d SRI 1 IRo le pis Figure D 1 SCXI 1129 Front Connector ni com Appendix D SCXI 1129 Front Connector Table D 1 Front Connector Signal Description Signal Name Type Description 5 Output 5 VDC isolated source powers the EEPROM and the INTERLOCK signal GND Output Ground EXTRIGIN Input External Trigger Input trigger from an instrument to advance the switch matrix to the next state in the scan list SCANADVD Output Scanner Advanced trigger to an instrument that indicates the switch matrix has advanced to the next state in the scan list TBEEEN Input Terminal block EEPROM chip select signal TBEEOUT Output Terminal block EEPROM data output signal TBEECLK Input Terminal block EEPROM clock input signal BMOSI Input Termina
6. Compliance to 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 bold italic monospace 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 Bold text denotes items that you must select or click on in the software such as menu items and dialog box options Bold text also denotes parameter names Italic text denotes variables emphasis a cross re
7. National Instruments Corporation 2 1 SCXI 1129 User Manual 2 Using the SCXI 1129 Configurations SCXI 1129 User Manual Matrix switching is a flexible and very powerful method for making complex connections You can make simultaneous connections so that one input is able to drive many outputs It is also possible for several outputs to drive a single input You can use the SCXI 1129 with one of six different terminal blocks to make various matrix configuration as shown in Table 2 1 Terminals provide the means of connection to labeled row and column terminals Refer to Figure 2 2 for an example of a terminal block Table 2 1 Terminal Block Matrix Configuration Matrix Quantity of Terminal Block Configuration Matrixes SCXI 1333 4 x 16 4 SCXI 1337 8x16 2 SCXI 1339 4x32 2 SCXI 1334 4 64 1 SCXI 1335 8 x 32 1 SCXI 1336 16x 16 1 2 2 ni com Using the SCXI 1129 Chapter 2 Desa 5 Ga cod
8. You can independently control all 276 relays the 1129 including connection relays and HV AB relays To close open the relays refer to them by their appropriate name Refer to Table 2 3 Note Independent switch control is valid only in the 4 x 16 configuration SCXI 1129 User Manual 2 26 ni com Table 2 3 Relay Names Chapter 2 Using the SCXI 1129 Matrix Rel perce Connection Analog Bus Bank 1 Bank 2 Bank 3 Bank 4 Relays Relays B1ROCO B2ROCO B3ROCO B4ROCO B1ROC15 B2ROC15 B3ROC15 B4R0C15 B1COM3 B2R1C0 B3R1C0 B4R1C0 2 ABI 5 B2RIC15 5 1 15 B2COM3 1 200 B2R2CO B3R2CO BAR2CO AB2 B1R2C15 B2R2C15 B3R2C15 B4R2C15 B3COM3 2 4 4 B1R3C15 B2R3C15 B3R3C15 B4R3C15 B4COM3 National Instruments Corporation 2 27 SCXI 1129 User Manual Specifications This appendix lists the specifications for the SCXI 1129 modules These specifications are typical at 25 C unless otherwise noted Input Characteristics Number of 2 wire 256 Matrix LY Pe tete tenter e be ret Quad 4 x 16 Common mode voltage Channel to channel 150 DC Channel to earth
9. 2 12 National Instruments Corporation vii SCXI 1129 User Manual Contents 16 x 16 Matrix Configuration 2 14 Matrix EXpansion ende eec gained rt dite iere eed 2 16 Hardware and Software Scanning essere ene 2 20 Hardware Timed Scanning eese nennen 2 21 Hardware Timed Scanning Using a 2 21 Hardware Timed Scanning Using External Instruments 2 22 Synchronous Scanning eese 2 23 Handshaking Scanning eee 2 23 Multimodule Scanning eee 2 24 Chain Triggering eec eui eere n e eiie 2 24 ocu Mp 2 24 Wire nain Rec t epe D 2 25 Dummy Entries inicie 2 25 Software Scanning e eet er ee 2 26 Independent Switch Control essere 2 26 Appendix A Specifications Appendix B Accessories Appendix C SCXI 1129 Block Diagram Appendix D SCXI 1129 Front Connector Appendix E Common Questions Appendix F Technical Support Resources Glossary Index SCXI 1129 User Manual Vili ni com Installing and Configuring the SCXI 1129 The SCXI 1129 is a 256 crosspoint high density matrix module It provides up to a 4 x 64 2 wire switch matrix configuration on an SCXI platform The SCXI 1129 can also operate as four 4 x 16 2 wire matrixes two 4 x 32 2 wire matrixes or t
10. Install additional 1 slot HVAB backplane adapters behind SCXI slots 1 and 2 if needed Install the 8 position HVAB plugs to connect the HVAB backplane adapters as needed 1 16 ni com Chapter 1 Installing and Configuring the SCXI 1129 5 Connect the HV8 BAN4 cable from the DMM to the HVAB connector behind SCXI slot 4 6 Connect the SH9MD 9MD cable from the DMM to the AUX IN connector 7 You can install any additional SCXI 1129 modules in any slot that has an HVAB backplane adapter behind it DMM in PXI Slot 8 Configuration To install your DMM in PXI slot 8 follow these steps 1 Install your DMM in PXI slot 8 2 Inthe SCXI subsystem install the 2 slot HVAB backplane adapter behind SCXI slots 3 and 4 3 Install additional 1 slot HVAB backplane adapters behind SCXI slots 1 and 2 if needed 4 Install the 8 position HVAB plugs to connect the HVAB backplane adapters as needed 5 Connect the HV8 BAN4 cable from the DMM to the HVAB connector behind SCXI slot 4 of the SCXI subsystem 6 You can install any additional SCXI 1129 modules in any slot that has an HVAB backplane adapter behind it 9 Note The SH9MD 9MD is not required for this configuration Connecting the SCXI 1129 to the DMM in the PXI 1011 Chassis You need the following items to complete the installation e PXI 1011 chassis with the SCXI 1129 modules installed e HV8 BAN4 cable e DMM 1 8 in flathead screwdriver Consult your PXI 1011 and DMM docu
11. Relays 3 16 columns Analog Bus Relays High 0 gt 4 x 16 Matrix 1 1 ABI 2 0 2 7 TOWS 2 tt 2 2 Signal Relays 3 4 3 Connector Z 16 columns Como M Comi Digital 4 rows 4 x 16 Matrix 1 B1R4 B1R7 gt 2 Relays 3 4 Low B2C0 B2C15 16 columns Y is eg oe Rear Com3 Panel 4 rows 4 x 16 Matrix 1 B2R4 B2R7 gt 2 Signal Relays 3 Connector 128 8 SRAM Scan List Memory SCANADVD SCXIBus C SCXIBus lt Digital Interface Interface Connector gt and Control EXTRIGIN Front Signal Calibration EEPROM Connector SCXI 1129 Terminal Module Block Bank 1 Row 0 8160 Bank 1 Column 0 Each row and column consists of two wires One for source and one for return Note The analog bus relays have a built in safety interlock For safety reasons they cannot be closed unless a terminal block is connected Figure 2 6 8 x 16 Matrix Configuration National Instruments Corporation 2 9 SCXI 1129 User Manual 2 Using the SCXI 1129 4 64 Matrix Configuration The 4 x 64 matrix configuration gives you control over the entire switch matrix with no subdivisions All 256 crosspoints are accessible as a single block You can now make connections using either the HVAB or the terminal block To connect signals to the HVAB connect the chosen rows to then connect COM0 COM3 to
12. by 6 9 by 8 0 in 0 to 50 20 to 70 10 to 9096 noncondensing ni com Appendix Specifications Safety Designed in accordance with IEC 61010 1 UL 3111 1 and CAN CSA C22 2 No 1010 1 for electrical measuring and test equipment Approved at altitudes up to 2000 m Installation Category I Pollution Degree 2 Indoor use only Emissions and Immunity tts C Tick and Part 15 Class A Complaint Electrical 55011 Class A at 10 m FCC Part 15A above 1 GHz Electrical immunity Evaluated to EN 61326 1998 Table 1 Note For full EMC EMI compliance you must operate this device with shielded cabling See the Declaration of Conformity DoC for this product for any additional regulatory compliance information To obtain the DoC for this product click Declaration of Conformity at com hardref nsf This website lists the DoCs by product family Select the appropriate product family followed by your product and a link to the DoC in Adobe Acrobat format appears Click the Acrobat icon to download or read the DoC National Instruments Corporation A 3 SCXI 1129 User Manual Accessories This appendix lists various National Instruments products you can use with your SCXI 1129 module National Instruments Corporation The SCXI 1333 terminal block converts the switch card t
13. can operate The DMM issues a trigger to change the matrix configuration at regular intervals You can program the interval at which the DMM sends triggers set the interval as follows 352 us ms debounce time where n is the number of activated switches The module that connects directly to the DMM is referred to as the cabled module If more SCXI 1129 modules are added to your system the trigger is bused over the SCXI backplane allowing other modules to be triggered as shown in Figure 2 14 These additional modules are referred to as non cabled modules since they do not require you to cable the DMM directly to them National Instruments Corporation 2 21 SCXI 1129 User Manual 2 Using the SCXI 1129 Front Connector Front Connector Front Connector 1 SCXI 1129 SCXI 1129 SCXI 1129 1 1 Backplane RSC HVAB Backplane Backplane Connector Connector Connector A A A SCANADVD SCANADVD SCANADVD Trig 1 v Backplane Trig 6 Trig 7 y From DMM AUX Figure 2 14 Cabling a DMM and Using TrigO Trig7 to Bus the VMC EXTRIG_1 to a Non Cabled Module The SCXI 1129 can accept trigger signals from any of the following Sources e Rear signal connector e Front connector e Software trigger e Triggers 0 7 Note Not all trigger lines are supported in all chass
14. 11 Chassis You should have already installed the SCXI 1129 modules and their HVAB backplane adapters 1 2 Power off the power to the PXI and SCXI chassis Install your DAQ device in PXI slot 4 Installation in this slot allows the DAQ device to directly control the SCXI 1129 without the need for additional cabling Power on the power to both the PXI and SCXI chassis Connecting the SCXI 1129 to an External DMM You need the following items to complete this installation SCXI 2000 2400 chassis with the SCXI 1129 modules installed or SCXI chassis connected to a DAQ device with the SCXI 1129 modules installed or SCXI chassis connected to a NI 4021 switch controller with the SCXI 1129 installed SCXI 1357 or SCXI 1358 kit slot 2 slot and or 8 slot HVAB backplane adapter SH9MD 9MD cable 8 position HVAB plug External DMM if needed 8 4 or BAN2 WIRE kit two kits needed for 4 wire Cable or wires to connect the handshaking lines to the SCXI 1129 1 8 in flathead screwdriver Consult the documentation for your SCXI chassis and other SCXI modules for additional instructions and warnings You should have installed your SCXI 1129 modules according to the instructions given in the Installing the SCXI 1129 Module into the SCXI Chassis section You should have National Instruments Corporation 1 21 SCXI 1129 User Manual Chapter 1 Installing and Configuring the SCXI 1129 already installed any o
15. 14 Connecting the SCXI 1129 to DMM in a PXI 1010 Chassis 1 16 DMM in PXI Slots 1 through 7 Configuration 1 16 DMM in PXI Slot 8 Configuration 1 17 Connecting the SCXI 1129 to the DMM in the PXI 1011 Chassis 1 17 DMM in PXI Slots 1 through 3 Configuration 1 18 DMM in PXI Slot 4 Configuration 1 18 Accessing the SCXI 1129 through Other SCXI Modules Using a DAQ Device ecce pee i e rear Feed e E e PERS tuos 1 19 Using a DAQ Device on a PXI 1010 Chassis e 1 21 Using DAQ Device on a PXI 1011 Chassis eee 1 21 Connecting the SCXI 1129 to an External DMM 1 21 Configuring and Self Test eerte 1 22 Auto Detecting Modules oeron ieren taeun airea er aa k eene nennen 1 23 Manually Adding Modules esee eene 1 24 Chapter 2 Using the SCXI 1129 Operating asa uite eee en e e e HERR 2 1 Configurations xcu ep deut tese 2 2 4 16 Matrix Configuration eee 2 4 4 x 32 Matrix Configuration einne ne mor aei e a ae Es iep es 2 6 8 x 16 Matrix Configuration eee aean ES E E E RE 2 8 4 x 64 Matrix 2 10 8 x 32 Matrix Configuration
16. 150 Vims or DC Maximum allowed voltage iene td dt aly 30 a 0 25 at 150 Maximum switching power per 37 5 VA 30 W Maximum 10 Transfer Characteristics Thermal EMF differential lt 9uV National Instruments Corporation A 1 SCXI 1129 User Manual Appendix Specifications Channel to channel crosstalk 50 Q termination Dynamic Characteristics Maximum operating speed Relay operate time at 20 Relay release time at 20 Expected life Mechanical at 180 Electrical at maximum load Trigger Characteristics Stability Physical Environment SCXI 1129 User Manual Scanner advanced pulsewidth Scanner advanced delay External trigger input pulsewidth Recommended warm up time DIMENSIONS Operating temperature Storage temperature Relative humidity A 2 125 cycles s 4 Mu 4 ms max ut 5 107 operations 1 x 10 operations ids 1 us to 64 us 6 bit programmable 1 us to 64 us 6 bit programmable 200 ns 5 minutes 3 0 by 17 2 by 20 3 cm 1 2
17. 3 EXT_TRIG_IN signal table D 3 F front connector D 1 to D 3 pin assignments figure D 1 signal descriptions table D 3 G GND signal table D 3 SCXI 1129 User Manual 1 2 handshaking scanning mode description 2 23 to 2 24 fails to work with third party DMM 1 to E 2 hardware installation See installation hardware timed scanning 2 21 to 2 24 handshake scanning 2 23 to 2 24 overview 2 21 synchronous scanning 2 23 using DMM 2 21 to 2 22 using external instruments 2 22 to 2 24 HVAB high voltage analog bus backplane adapters common questions about E 2 to E 3 connecting SCXI 1129 to DMM or other modules B 1 overview 1 1 independent switch control opening closing relays 2 26 relay names table 2 27 input characteristics SCXI 1129 1 installation 1 3 to 1 22 See also configuration and self test connecting SCXI 1129 to DMM in multichassis system 1 10 to 1 16 4 slot and 4 slot multichassis configuration 1 10 to 1 12 4 slot and 12 slot multichassis configuration 1 12 to 1 14 12 slot and 12 slot multichassis configuration 1 14 to 1 16 connecting SCXI 1129 to DMM in PXI 1010 chassis 1 16 to 1 17 DMM in PXI slot 8 1 17 DMM in PXI slots 1 through 7 1 16 to 1 17 ni com connecting SCXI 1129 to DMM in PXI 1011 chassis 1 17 to 1 18 DMM in PXI slot 4 1 18 DMM in PXI slots 1 through 3 1 18 connecting SCXI 1129 to DMM in single chassis system 1 7 to 1 10 items required 1 7 si
18. 5 SCXI 1129 User Manual 256 Crosspoint High Density Matrix Wy NATIONAL February 2001 Edition y INSTRUMENTS Part Number 322740A 01 Worldwide Technical Support and Product Information 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 Ottawa 613 233 5949 Canada Qu bec 514 694 8521 China Shanghai 021 6555 7838 China ShenZhen 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 5 280 7625 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 techpubseni com Copyright 2001 National Instruments Corporation rights reserved Important Information Warranty The SCXI 1129 is warranted against defects in materials and workmanship for a period of one year from the dat
19. G 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 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 protec
20. Module 4 2 Slot HVAB Backplane 6 Digital Signals Connector 2 DAQ Cable Adapter 7 1129 Module 3 MIO or DIO Device 5 SCXI Chassis 8 HVAB Connector Figure 1 7 Installing the SCXI 1129 with an SCXI Module and a DAQ Device 1 Connect the MIO DIO cable adapter to the rear of a module that is not the SCXI 1129 module Secure the adapter to the SCXI chassis using the screws provided 2 Attach your DAQ cable to the cable adapter at the rear connector 3 Attach the other end of the DAQ cable to the National Instruments DAQ device 4 Check the installation 5 Power on the SCXI chassis 6 Poweron computer or reconnect it to your chassis If you already have the appropriate software installed you are ready to configure the SCXI 1129 through an SCXI module other than the SCXI 1129 module If you have not installed your software refer to the Installing the Software section of this chapter SCXI 1129 User Manual 1 20 ni com Chapter 1 Installing and Configuring the SCXI 1129 Using a DAQ Device on a PXI 1010 Chassis You should have already installed the SCXI 1129 modules and their HVAB backplane adapters 1 2 Power off the power to the PXI and SCXI chassis Install your device in PXI slot 8 Installation in this slot allows the DAQ device to directly control the SCXI 1129 without the need for additional cabling Power on the power to both the PXI and SCXI chassis Using a DAQ Device on a PXI 10
21. To avoid a shock hazard do not perform procedures involving cover or shield removal unless you are qualified to do so and disconnect all field power prior to removing covers or shields Equipment described in this document must be used in an Installation Category I environment per IEC 60664 1 This category requires local level supply mains connected installation Do not operate damaged equipment The safety protection features built into this device can become impaired if the device becomes damaged in any way If the device is damaged 1 Category I refers to a signal level such as voltages of an isolation transformer secondary a PWB National Instruments Corporation 1 3 SCXI 1129 User Manual Chapter 1 Installing and Configuring the SCXI 1129 power the device off and do not use it until service trained personnel can check its safety If necessary return the device to National Instruments for service and repair to ensure that its safety is not compromised Do not operate this equipment in a manner that contradicts the information specified in this document Misuse of this equipment could result in a shock hazard Do not substitute parts or modify equipment Because of the danger of introducing additional hazards do install unauthorized parts or modify the device Return the device to National Instruments for service and repair to ensure that its safety features are not compromised You must insulate all of your sig
22. XI 1129 Module 12 Slot SCXI Chassis 2 Slot HVAB Backplane Adapter 1 Slot HVAB Backplane Adapter 8 Position HVAB Plug NI 4060 for SH9MD 9MD Cable HV8 BAN4 Cable 8 Slot HVAB Backplane Adapter Figure 1 3 12 5101 Single Chassis Installation 1 Install the 8 slot HVAB backplane adapter behind slots 5 through 12 2 Install additional 2 slot and 1 slot HVAB backplane adapters behind slots 1 through 4 if needed 3 Install the 8 position HVAB plugs to connect the HVAB backplane adapters as needed National Instruments Corporation 1 9 SCXI 1129 User Manual Chapter 1 Installing and Configuring the SCXI 1129 4 Connect the HV8 BAN4 cable from the DMM to the HVAB connector behind slot 12 5 Connect the SH9MD 9MD cable from the DMM to the AUX IN connector behind slot 5 6 You can install any additional SCXI 1129 modules in any slot that has an HVAB backplane adapter behind it Notes Do not connect SH9MD 9MD cable to the AUX IN connector behind slot 4 on the 2 slot HVAB backplane adapter An SCXI 1129 is required in slot 12 to establish communications with the chassis If slot 12 is empty the system will not operate It is this module that you must specify in MAX as the cabled module to the DMM Connecting the SCXI 1129 to the DMM in a Multichassis System SCXI 1129 User Manual The following sections describe how to configure the following multichassis configurati
23. XI 1129 User Manual Chapter 1 Installing and Configuring the SCXI 1129 1 Install the HVAB backplane adapters and 8 position HVAB plugs in the next chassis as described in steps 1 through 3 in the Single 4 Slot Chassis Configuration section 2 Connect the 8 8 cable from the first chassis normally the connector behind slot 1 to the HVAB connector behind slot 4 of the next chassis 3 Connect the SH9MD 9MD cable from the AUX OUT connector of the first chassis to the AUX IN connector of the next chassis 4 Repeat steps 1 through 3 for each additional chassis Notes An SCXI 1129 is required in slot 4 to establish communications with the chassis If slot 4 is empty the system will not operate It is this module that you must specify in MAX as the cabled module to the DMM If a chassis is configured with less than four slots of the HVAB backplane adapter use the right most available HVAB connector to extend to the next chassis In this instance right most means the slot closest to slot 1 when the chassis is viewed from the back 4 Slot and 12 Slot Multichassis Configuration In addition to the items needed for a single chassis system you need the following items to install this configuration e SCXI 1358 multichassis expansion kit SCXI 1129 User Manual HV8 HV8 cable SH9MD 9MD cable Three 8 position HVAB plugs One 8 slot HVAB backplane adapter One 2 slot HVAB backplane adapter Two 1 slot HVAB backplane adapter
24. XI chassis the rightmost slot when the chassis is viewed from the front must be filled first then fill the slot to the left with the next SCXI 1129 You can load other SCXI modules from left to right SCXI 1129 User Manual 1 6 ni com Chapter 1 Installing and Configuring the SCXI 1129 4 Insert any other SCXI modules into the remaining slots in the same manner as described in step 3 5 Secure all the SCXI 1129 modules to the SCXI chassis using both thumbscrews To configure your SCXI 1129 follow the procedures for your system in the sections that follow Connecting the SCXI 1129 to the DMM in a Single Chassis System You need the following items for this installation e SCXI 1000 1000DC 1001 chassis with the SCXI 1129 modules installed e SCXI 1357 4 slot 1358 12 slot kit 1 2 and or 8 slot HVAB backplane adapter HV8 to BANA cable SH9MD 9MD cable Two or three 8 position high voltage plugs e DMM 1 8 in flathead screwdriver Consult your SCXI chassis documentation and DMM documentation for additional instructions and warnings Your SCXI 1129 modules and any other SCXI modules should already be installed in the chassis according to their installation instructions Caution Before you proceed with your connections make sure you power off your SCXI chassis National Instruments Corporation 1 7 SCXI 1129 User Manual Chapter 1 Installing and Configuring the SCXI 1129 Single 4 Slot Chassis C
25. a path between nodes G 4 ni com Index Numbers 1 0 to 1R3 signal table D 3 IRO to 1R3 signal table D 3 2 x 4 two wire matrix configuration figure 2 1 2RO0 to 2R3 signal table D 3 2 0 to 2R3 signal table D 3 3 0 to 3R3 signal table D 3 3R0 to 3R3 signal table D 3 4 x 16 matrix configuration 2 4 to 2 5 4 x 32 matrix configuration 2 6 to 2 7 4 x 64 matrix configuration 2 10 to 2 11 4R0 to 4R3 signal table D 3 4RO to 4R3 signal table D 3 5 V signal table D 3 8 x 16 matrix configuration 2 8 to 2 9 matrix expansion figure 2 16 8 x 32 matrix configuration 2 12 to 2 13 16 x 16 matrix configuration 2 14 to 2 15 A accessories B 1 to B 2 adding modules manually 1 24 auto detecting modules 1 23 B1C0 to B1C15 signal table D 3 to B1C15 signal table D 3 B2C0 to B2C15 signal table D 3 2 0 to B2C15 signal table D 3 B3C0 to B3C15 signal table D 3 to B3C15 signal table D 3 B4C0 to B4C15 signal table D 3 4 0 to B4C15 signal table D 3 National Instruments Corporation block diagram of SCXI 1129 C 1 BMOSI signal table D 3 cables B 1 to B 2 chain triggering multimodule scanning 2 24 common questions E 1 to E 3 configuration and self test See also installation auto detecting modules 1 23 manually adding modules 1 24 possible configurations table 1 1 running Measurement amp Automation u
26. alling See installation software installation 1 2 to 1 3 software scanning 2 26 specifications A 1 to A 3 dynamic characteristics A 2 environment A 2 to A 3 input characteristics A 1 physical A 2 safety A 3 stability A 2 transfer characteristics A 1 to A 2 trigger characteristics A 2 stability specifications A 2 switches do not switch E 1 synchronous scanning mode 2 23 system integration by National Instruments F 1 T TBEECLK signal table D 3 TBEEEN signal table D 3 TBEEOUT signal table D 3 technical support resources F 1 to F 2 terminal blocks daisy chaining example figure 2 18 possible damage caution 2 17 ni com matrix configuration possible terminal blocks table 2 2 terminal block example figure 2 3 matrix expansion column and row expansion figure 2 19 methods table 2 17 terminal blocks compatible with SCXI 1129 B 1 transfer characteristics SCXI 1129 A 1 to 2 trigger characteristics SCXI 1129 A 2 troubleshooting problems E 1 to E 3 National Instruments Corporation Index Web support from National Instruments F 1 wire ORed multimodule scanning description 2 25 example figure 2 26 Worldwide technical support F 2 SCXI 1129 User Manual
27. and ADE examples choose Programmatic and Interactive Support To install only the Soft Front Panel s choose Interactive Support Only 1 2 ni com Chapter 1 Installing and Configuring the SCXI 1129 5 Note The Interactive Support Only choice does not allow you to program the instrument with any programming languages 5 For advanced users only when installing NI SWITCH the Development Environments panel provides you with the following choices e Ifyou click the Advanced button on this panel you can custom install National Instruments drivers such as NI DAQ NI IVI and NI VISA Ifyou do not want to install certain drivers click Advanced and uncheck the driver s you do not want installed If a driver is already unchecked your computer has the same driver or a newer version of the driver already installed Note If a newer version of driver is present on your the installer will not overwrite the driver 6 After completing the installation power off your computer Safety Information The following cautions contain important safety information concerning hazardous voltages UN Cautions Do not operate the device in an explosive atmosphere or where there may be flammable gases or fumes Keep away from live circuits Do not remove equipment covers or shields unless you are trained to do so If signal wires are connected to the device hazardous voltages can exist even when the equipment is powered off
28. check in the checkbox labeled This device will control the chassis and click Next You are presented with a series of properties for the module Select the appropriate values for the attributes and click Next After making your selections click Finish You are now finished configuring the slot Configure the rest of your modules in the same manner To remove a module or chassis right click the chassis or module you want to remove and select Delete To test the chassis configuration right click the chassis and select Test 1 24 ni com Using the SCXI 1129 This chapter discusses the operation of the SCXI 1129 The SCXI 1129 is a relay switching matrix Operating as a Matrix A matrix is one of the most flexible switching configurations Unlike a multiplexer a matrix can connect multiple inputs to multiple outputs A multiplexer is typically organized into channels and commons while a matrix is organized into columns and rows You can connect any column to any number of rows and any row to any number of columns At each intersection of a row and column there is a switch When the switch is closed the row is connected to the column The SCXI 1129 is a 2 wire matrix as shown in Figure 2 1 Matrixes are useful in applications where you desire maximum switching flexibility ColO Coli Col2 Row 0 2 gt 7 Row 1 Figure 2 1 2 x 4 2 Wire Matrix Configuration
29. connecting the rows of the appropriate number of SCXI 1335s 8 x 32 matrix two in this case using matrix expansion cables This configuration results in a 8 x 64 matrix block 2 Expand the rows to the target number 16 in this case by connecting the columns of the appropriate number of 8 x 64 matrix blocks two in this case using matrix expansion plugs Figure 2 13 shows four SCXI 1335s connected to form 16 x 64 matrix Hardware and Software Scanning The SCXI 1129 provides a very flexible scanning architecture You have individual control over every crosspoint and configuration relay which means you can e Do random switching e Do multiplexing e Use the 4 x 16 matrix banks independently There are two basic methods of scanning hardware timed scanning and software scanning In hardware timed scanning the measurement instrument such as a DMM communicates through digital triggering signals to the SCXI 1129 In its simple form hardware timed scanning uses one triggering signal to advance the matrix to the next state in the scan This process is called synchronous scanning Note When using a DMM to control SCXI chassis synchronous mode is the only mode in which the DMM and the SCXI 1129 operate SCXI 1129 User Manual Another hardware timed scanning method is called handshaking While synchronous scanning requires just one signal from the instrument to the matrix handshaking requires an additional signal connec
30. e for the different terminal blocks are shown in Table 2 2 Table 2 2 Terminal Block Matrix Expansion Terminal Block Expansion Type SCXI 1333 4 x 16 Column connection SCXI 1337 8 x 16 None SCXI 1339 4 x 32 None SCXI 1334 4 x 64 Column and row connection SCXI 1335 8 x 32 Column and row connection SCXI 1336 16 x 16 Column connection The preferred expansion method is to connect columns using the matrix expansion plug You can use this plug to daisy chain module columns across an entire chassis as shown in Figure 2 12 UN Caution Only daisy chain terminal blocks of the same type together Daisy chaining different types of terminal blocks together can cause damage to the module or to the equipment connected to the module For example you can daisy chain two or more SCXI 1333 terminal blocks however do not daisy chain the SCXI 1333 together with any other type of terminal block National Instruments Corporation 2 17 SCXI 1129 User Manual Chapter 2 Using the SCXI 1129 1 Matrix Expansion Plugs 3 Thumbscrews 2 SCXI 1333 Terminal Block 4 SCXI 1129 Front Connector Figure 2 12 Example of Daisy Chained Modules SCXI 1129 User Manual 2 18 ni com 2 Using the SCXI 1129 The SCXI 1334 and SCXI 1335 terminal blocks also have the ability to expand columns by connecting rows as shown in Figure 2 13 With these two modes of expa
31. e module ABO AB3 relays connected you can use the HVAB backplane to connect the matrix rows together For example you can create a4 x 256 matrix in a 4 slot chassis First install four SCXI 1129s into the chassis Now you have four independent 4 x 64 matrixes Install the 2 slot HVAB backplane adapter behind slots 3 and 4 This connects the rows between slots 3 and 4 creating a 4 x 128 matrix Next install another 2 slot HVAB backplane adapter between slots 1 and 2 to create a second 4 x 128 matrix Finally connect the two 2 slot adapters with an 8 position E 2 ni com Appendix Common Questions HVAB plug You now have a 4 x 256 matrix that uses the backplane to automatically connect rows You can use either the SCXI 1333 quad 4 x 16 or SCXI 1334 4 x 64 terminal blocks to connect to the matrix columns in this configuration National Instruments Corporation E 3 SCXI 1129 User Manual Technical Support Resources Web Support National Instruments Web support is your first stop for help in solving installation configuration and application problems and questions Online problem solving and diagnostic resources include frequently asked questions knowledge bases product specific troubleshooting wizards manuals drivers software updates and more Web support is available through the Technical Support section of NI Developer Zone The NI Developer Zone at com zone is the essential resource for bu
32. e 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 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 consul
33. e technical support resources on our Web site and still cannot find the answers you need contact your local office or National Instruments corporate Phone numbers for our worldwide offices are listed at the front of this manual SCXI 1129 User Manual F 2 ni com Glossary Prefix Meanings Value n nano 10 u micro 10 6 m milli 10 3 k kilo 103 M mega 106 G giga 10 Symbols degrees Q ohms percent plus or minus A amperes AC alternating current ADE application development environment bus the group of conductors that interconnect individual circuitry in a computer Typically a bus is the expansion vehicle to which I O or other devices are connected National Instruments Corporation G 1 SCXI 1129 User Manual Glossary channel DC device digital multimeter DMM drivers driver software E external trigger H handshaking HVAB Hz SCXI 1129 User Manual Celsius pin or wire lead on the multiplexer to which you apply or from which you read the analog or digital signal Signals can be single ended or differential direct current a plug in board card or pad that can contain multiple channels and conversion devices Some examples of devices are computers multimeters multiplexers oscillators operator interfaces and counters amultifunction meter used to make measurements such as voltage current resistance freq
34. e the multiplexer to the next channel in the scan SCXI 1129 User Manual Glossary scan list SCANADVD scanner advanced trigger SCXI soft front panel T terminal block trigger VDC VMC wire SCXI 1129 User Manual a list of channels supplied to NI SWITCH that indicates the order in which channels will be scanned scanner advance signal in handshake scanning this signal is generated by the switching module to let the instrument or DMM know that the switching module has finished settling at the current channel the trigger generated by the switch card when scanning The trigger occurs after the switch card has closed a switch and the switch has settled Signal Conditioning eXtensions for Instrumentation the National Instruments product line for conditioning low level signals within an external chassis near sensors so only high level signals are sent to DAQ devices in the noisy PC environment a graphical program included with NI SWITCH that you can use to interactively control the switch an accessory containing wire connection points typically screw terminals any event that causes or starts some form of data capture volts volts direct current voltmeter complete signal during synchronous or handshake scanning with an external DMM this signal advances the switching module to the next channel It is called External Trigger In EXT IN on the SCXI 1331 terminal block watts dat
35. ependent 4 x 32 matrixes You can make connection to the rows using either the HVAB or the terminal block Columns are accessed through the terminal block This configuration provides a more convenient way to create matrixes for applications that require a higher column count than the 4 x 16 matrix while still providing access to the analog bus To connect signals to the HVAB connect the chosen rows to then connect to Refer to Figure 2 5 for the channel names that NI SWITCH uses SCXI 1129 User Manual 2 6 ni com Chapter 2 Using the SCXI 1129 1 0 1 15 e columns Connection Relays 1 16 1 31 0 4x 16 Matrix 1 B1RO B1R3 A 2 Relays 3 16 columns Analog Bus Relays High 0 ABO Voltage 4 x 16 Matrix 1 1 1 7 ef ase Signal Relays 3 4 3 Connector 2 0 2 15 7 16 columns 4 o Digital m 4 x 16 Matrix 1 i Comm B2R0 B2R3 7 2 Relays 3 Low A 16 columns Voltage Y 0 Coma 4 4 x 16 Matrix 1 ane rows 2 Signal Relays 3 Connector 128 Kx 8 SRAM Scan List Memor SCANADVD SCXIBus SCXIBus Digital Interface Inte
36. f the SCXI 1129 s to the DMM analog bus e Use 8 position HVAB plugs to interconnect the HVAB of the HVAB backplane adapters Contact National Instruments for more specific information about these products SCXI 1129 User Manual B 2 ni com SCXI 1129 Block Diagram Figure C 1 shows the SCXI 1129 high density matrix module block diagram row and column connections as well as the triggers are accessed through the 180 pin connector on the front of the module The internal module structure is a quad 4 x 16 column matrix The matrix can access the high voltage analog backplane HVAB through the matrix connection relays and the high voltage bus relays B1R0 B1R3 2 0 B2R3 B2R0 B2R3 Front Signal Connector B3R3 16x16 8x32 4 x 16 Matrix Relays a 4 x 16 Matrix Relays 4 x 16 Matrix Relays E 4 x 16 Matrix Relays 4x32 8x16 4x16 SCANADV Drive Circuitry 4 x 64 Lines Controlled by FPGA N EXTRIGIN Matrix Connection Relays High Voltage Bae High Voltage Relays Rear Panel Matrix with Signal Connection Safety Relays Interlock Connector Matrix Com 2 Connection le Com 3 elays E Digital Comm Matrix gt Low Voltage Connection Rear Panel Relays Signal Connector 128 K x 8 SRAM Scan List Mem
37. ference or an introduction to 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 and code excerpts Contents Chapter 1 Installing and Configuring the SCXI 1129 Instalhng the SOftWarecz suo reo ette etes e ere ete uite e estie 1 2 Safety Information c da tise ee d eoa 1 3 Unpacking so ea e et e t m ette ne n ye eo eps 1 5 Installing the Hardware ate aee gerettet R i o Pe 1 5 Installing the SCXI 1129 Module into the SCXI 515 1 5 Connecting SCXI 1129 to the DMM in a Single Chassis System 1 7 Single 4 Slot Chassis Configuration 1 8 Single 12 Slot Chassis Configuration 1 9 Connecting the SCXI 1129 to the DMM in a Multichassis System 1 10 4 Slot and 4 Slot Multichassis Configuration ss 1 10 4 Slot and 12 Slot Multichassis Configuration 1 12 12 Slot and 12 Slot Multichassis Configuration 1
38. gences du R glement 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 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
39. gramming SCXI 1129 E 2 P physical specifications A 2 pin assignments for front connector figure D 1 PXI 1010 chassis connecting with SCXI 1129 1 16 to 1 17 DMM in PXI slot 8 1 17 DMM in PXI slots 1 through 7 1 16 to 1 17 using DAQ device 1 21 SCXI 1129 User Manual Index PXI 1011 chassis connecting with SCXI 1129 1 17 to 1 18 DMM in PXI slot 4 1 18 DMM in PXI slots 1 through 3 1 18 using DAQ device 1 21 Q questions about SCXI 1129 E 1 to E 3 R relay names table 2 27 safety information 1 3 to 1 5 safety specifications A 3 SCANADVD signal description table D 3 handshaking scanning 2 23 to 2 24 hardware timed scanning 2 21 scanning 2 20 to 2 27 hardware timed scanning 2 21 to 2 24 handshake scanning 2 23 to 2 24 overview 2 21 synchronous scanning 2 23 using DMM 2 21 to 2 22 using external instruments 2 22 to 2 24 independent switch control 2 26 to 2 27 multimodule scanning 2 24 to 2 26 chain triggering 2 24 dummy entries 2 25 wire ORed 2 25 overview 2 20 to 2 21 scan rate E 1 software scanning 2 26 SCXI chassis installing SCXI 1129 into See installation SCXI 1129 User Manual 1 4 SCXI 1129 accessories B 1 to B 2 block diagram C 1 common questions E 1 to E 3 front connector D 1 to D 3 overview 1 1 to 1 2 specifications A 1 to A 3 self test See configuration and self test signal descriptions for front connector table D 3 single chassis system inst
40. ilding measurement and automation systems At the NI Developer Zone you can easily access the latest example programs system configurators tutorials technical news as well as a community of developers ready to share their own techniques Customer Education National Instruments provides a number of alternatives to satisfy your training needs from self paced tutorials videos and interactive CDs to instructor led hands on courses at locations around the world Visit the Customer Education section of ni com for online course schedules syllabi training centers and class registration System Integration If you have time constraints limited in house technical resources or other dilemmas you may prefer to employ consulting or system integration services You can rely on the expertise available through our worldwide network of Alliance Program members To find out more about our Alliance system integration solutions visit the System Integration section of ni com National Instruments Corporation F 1 SCXI 1129 User Manual Technical Support Resources Worldwide Support National Instruments has offices located around the world to help address your support needs You can access our branch office Web sites from the Worldwide Offices section of Branch office Web sites provide up to date contact information support phone numbers e mail addresses and current events If you have searched th
41. ing the switches using the low level switch functions e Check the return codes of the NI SWITCH operation to ensure that there are no errors negative values or warnings positive values You can also use the NI Spy utility which is installed with NI SWITCH to check for error codes e Finally verify that your program is correct For reference see the examples described in the NI 85WITCH Software User Manual The NI SWITCH driver also ships with several examples in source code Compare your algorithm to the ones in the examples What should I do if scanning does not work in the handshaking mode with a third party DMM e Ensure that you have configured the SCXI 1129 and the instrument to correctly route all the trigger lines The output trigger of the instrument should connect to the trigger input of the SCXI 1129 In addition make sure the scanner advanced trigger of the SCXI 1129 connects to the input trigger of the instrument e Ifyou use the SCXI 1129 to initiate the scan make sure the DMM is waiting for a trigger before enabling scanning on the SCXI 1129 National Instruments Corporation E 1 SCXI 1129 User Manual Appendix Common Questions SCXI 1129 User Manual e If you use the DMM to initiate the scan enable scanning on the SCXI 1129 before configuring the DMM to start taking measurements This is the recommended method for scanning e Be sure to check the return codes of the NI SWITCH operation to ensure that
42. is Make sure that the correct chassis is chosen for your particular application Note TrigO Trig7 refers to 100 7 in NI SWITCH Hardware Timed Scanning Using External Instruments When using the SCXI 1129 with an external measurement instrument you can use either synchronous or handshaking mode to advance though the scan list SCXI 1129 User Manual 2 22 ni com 2 Using the SCXI 1129 Synchronous Scanning In the synchronous scanning mode the measuring device such as a DMM issues a trigger voltmeter complete VMC to advance the matrix scan list at regular intervals Each interval must be long enough to guarantee that the matrix has fully settled before the next measurement is taken Refer to Hardware Timed Scanning For example you can connect the VMC of your DMM to the SCXI 1129 through a spring terminal labeled EXTTRIGIN on the SCXI 1333 terminal block You can configure the SCXI 1129 to accept a VMC signal with either rising or falling edges If you have more that one SCXI 1129 module it is not necessary to cable the VMC to each module You can bus the VMC onto the SCXI backplane Trig 0 to Trig 7 allowing other modules to be triggered as shown in Figure 2 15 EXTTRIGIN From DMM VMC Front Connector Front Connector Front Connector SCXI 1129 SCXI 1129 SCXI 1129 Backplane Backplane Backplane Connector RSC Connecto
43. is and SCXI 1129 modules are now configured in the software with your modules To configure the properties for a particular module perform the following steps 1 Expand Devices and Interfaces You see the chassis selected in the list 2 Expand Chassis 3 Right click the module you want to configure and select Properties Tabs are displayed containing attributes for different properties of the module You can select any tab to see and or change any attributes National Instruments Corporation 1 23 SCXI 1129 User Manual Chapter 1 Installing and Configuring the SCXI 1129 Manually Adding Modules If you selected not to auto detect your SCXI modules you must add each of your modules separately SCXI 1129 User Manual 1 2 Click Finish in the SCXI Auto Detect window Expand Devices and Interfaces You will see the chassis you selected in the list Expand Chassis Right click the slot that is cabled to your device and select Insert For DAQ devices this is the slot cabled to the DAQ device For DMMs this is typically slot 4 on 4 slot chassis and slot 12 on 12 slot chassis based on the installation instructions in earlier sections used to configure the chassis Select the module that is intended for that slot and click Next You are now given the option to make this the module that controls the chassis Select the DAQ device or DMM you cabled to the chassis using the Connected to control Confirm that there is a
44. l 4 x 16 Matrix 1 i Comm R4 R7 4 2 Relays 3 t Low 16 columns Da Volt oltage 7 Y 2 0 4 4 x 16 Matrix 1 ane xs 2 Signal Relays 3 Connector 128 K x 8 SRAM Scan List Memor SCANADVD SCXIBus SCXIBus lt Digital Interface Interface Connector EXTRIGIN and Control G FPGA Front Signal Calibration EEPROM Connector SCXI 1129 Terminal Modulo Block B1RO Bank 1 Row 0 1 0 Bank 1 Column 0 Each row and column consists of two wires One for source and one for return Note The analog bus relays have a built in safety interlock For safety reasons they cannot be closed unless a terminal block is connected Figure 2 8 8 x 32 Matrix Configuration National Instruments Corporation 2 13 SCXI 1129 User Manual Chapter 2 Using the SCXI 1129 16 x 16 Matrix Configuration The 16 x 16 matrix configuration gives you control over the entire switch matrix with no subdivisions All 256 crosspoints are treated as a contiguous block This configuration provides an easy way to create a full 256 crosspoint matrix for applications requiring equal rows and columns Figure 2 9 is a 1 wire representation of the SCXI 1129 configured as a 16 x 16 matrix The diagram shows connections for a general test setup that connects several instruments to one complex DUT In this way you can use the same instrumentation to test many different porti
45. l block EEPROM data input signal 160 to 1R3 Bank 1 matrix row connections IRO to 1R3 260 to 2R3 Bank 2 matrix row connections 2RO0 to 2R3 3R0 to 3R3 Bank 3 matrix row connections 0 to 3R3 460 to 4R3 Bank 4 matrix row connections 4RO to 4R3 B1C0 to 15 Bank 1 matrix column connections 1 0 to 5 B2C0 to B2C15 Bank 2 matrix column connections 2 0 to B2C15 B3C0 to B3C15 Bank 3 matrix column connections to B3C15 to 15 Bank 4 matrix column connections 4 0 to 15 National Instruments Corporation D 3 SCXI 1129 User Manual Common Questions This appendix addresses common questions you may have while using your SCXI 1129 module How fast can I scan with the SCXI 1129 module The fastest scan rate for the SCXI 1129 is 125 scans s Typically when using a DMM to make accurate measurements the DMM requires hundreds of milliseconds Consequently the DMM becomes the limiting factor in determining the scan rate What should I do if the software detects the module but the switches do not switch e Verify that the switches do not switch Close your application program and then launch the soft front panel as described in the Set up and Test document you received with your kit The soft front panel shows the state of each relay switch on the module Try closing and open
46. le scanning When scanning multiple modules there is a chance of channel contention In other words more than one module could be competing for the same channel if switches do not open and close at the right time You can avoid this problem if you have one module triggering the following module after it has already switched and settled Below is an example of three SCXI 1129 modules being scanned The measurement device is receiving the SCANADVD signals as well as sending the VMC signals to the switches Example Module 1 Switches sends SCANADVD waits for VMC sends trigger to module 2 waits for trigger from module 3 Module 2 Waits for trigger from module 1 sends SCANADVD waits for VMC sends trigger to module 3 Module 3 Waits for trigger from module 2 switches sends SCANADVD waits for sends trigger to modulel This method allows modules to communicate as to when to start switching as well as telling the measurement device when the switches have settled This guarantees no channel contentions while switching 2 24 ni com 2 Using the SCXI 1129 Wire ORed In wire ORed operation you can make more than one module switch at the same time In this mode you can connect the SCANADVD signals together as show in Figure 2 16 By doing this the SCANADVD lines ORed together so that no scan advance is issued until the last module releases the line When the last module releases the SCANADVD line the
47. measurement device receives the signal to take a new measurement This method also guarantees no channel contentions while switching Dummy Entries This method allows you to control multiple modules by entering dummy entries into the scan lists of the modules Refer to the NI SWITCH User Manual section for more information Take care when using this method to insure that there are no bus or channel contentions when switching between modules National Instruments Corporation 2 25 SCXI 1129 User Manual 2 Using the SCXI 1129 SCANADVD To DMM TRIGIN EXTI from DMM VMC Front Connector Front Connector Front Connector ra Cabled SCXI 1129 SCXI 1129 SCXI 1129 Connector HVAB Connector Connector SCANADVD Trig 0 Trig 1 v Y Backplane Trig 6 T Trig 7 Software Scanning Figure 2 16 Wire ORed Operation Unlike hardware timed scanning software scanning does not use hardware generated triggers In software scanning a list of matrix configurations kept by the software is scanned by selecting the desired configuration on the SCXI 1129 and making the required measurements Refer to the NI SWITCH Software User Manual for more information on software scanning Independent Switch Control
48. mentation for additional instructions and warnings You should have already installed your SCXI 1129 modules and any other SCXI modules in the chassis according to their installation instructions Before you proceed with your connections make sure you power off your SCXI chassis National Instruments Corporation 1 17 SCXI 1129 User Manual Chapter 1 Installing and Configuring the SCXI 1129 DMM in PXI Slots 1 through 3 Configuration To install your DMM in PXI slots 1 through 3 follow these steps 1 2 Install your DMM in any one of the PXI slots 1 through 3 In the SCXI subsystem install the 2 slot HVAB backplane adapter behind SCXI slots 3 and 4 Install additional 1 slot HVAB backplane adapters behind SCXI slots 1 and 2 if needed Install the 8 position HVAB plugs to connect the HVAB backplane adapters as needed Connect the HV8 BAN4 cable from the DMM to the HVAB connector behind SCXI slot 4 Connect the SHOMD 9MD cable from the DMM to the AUX IN connector You can install any additional SCXI 1129 modules in any slot that has an HVAB backplane adapter behind it DMM in PXI Slot 4 Configuration To install your DMM in slot 4 follow these steps 1 2 Install your DMM in slot 4 Install the 2 slot HVAB backplane adapter behind slots 3 and 4 Install additional 1 slot HVAB backplane adapters behind slots 1 and 2 if needed Install the 8 position HVAB plugs to connect the HVAB backplane adapters as
49. nal connections to the highest voltage with which the SCXI 1129 can come in contact When using the device with high common mode voltages you must insulate your signal wires for the highest input voltage National Instruments is not liable for any damages or injuries resulting from inadequate signal wire insulation Use only 26 20 AWG wire with a minimum voltage rating of 150 V and a temperature value of 60 C for measuring up to 150 V When connecting or disconnecting signal lines to the SCXI terminal block screw terminals make sure the lines are powered off Potential differences between the lines and the SCXI ground can create a shock hazard while you connect the lines Connections including power signals to ground and vice versa that exceed any of the maximum signal ratings on the SCXI device can create a shock or fire hazard or can damage any or all of the boards connected to the SCXI chassis the host computer and the SCXI device National Instruments is not liable for any damages or injuries resulting from incorrect signal connections If hazardous voltages 230 Vims and 42 4 V peak or 60 VDC are present you must connect a safety earth ground wire to the terminal block safety ground lug shown in Figure 1 1 This complies with safety agency requirements and protects against electric shock when the terminal block is not connected to the chassis To connect the safety earth ground to the safety ground lug run an earth ground wire from
50. needed Connect the HV8 BAN4 cable from the DMM to the HVAB connector behind slot 4 You can install any additional SCXI 1129 modules in any slot that has an HVAB backplane adapter behind it Note The SH9MD 9MD is not required for this configuration SCXI 1129 User Manual 1 18 ni com Chapter 1 Installing and Configuring the SCXI 1129 Accessing the SCXI 1129 through Other SCXI Modules Using a DAQ Device You need the following items to complete the installation e SCXI chassis with SCXI 1129 modules installed see the appropriate previous sections e DAQ device cable adapter e National Instruments DAQ device DAQ cable e 1 8 in flathead screwdriver e Atleast one other SCXI module other than the SCXI 1129 installed in the chassis Consult the documentation for your SCXI chassis and other SCXI modules for additional instructions and warnings You should have already installed any non SCXI 1129 modules according to their installation instructions You should have already installed the SCXI 1129 modules and their HVAB backplane adapters SCX1 1357 1358 according to the instructions found earlier in this chapter National Instruments Corporation 1 19 SCXI 1129 User Manual Chapter 1 Installing and Configuring the SCXI 1129 To set up SCXI 1129 module to be accessed by a device through another SCXI module refer to Figure 1 7 while completing the following steps 1 Non SCXI 1129
51. nerates and uses 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 exi
52. ngle 4 slot chassis configuration 1 8 to 1 9 single 12 slot chassis configuration 1 9 to 1 10 connecting SCXI 1129 to external DMM 1 21 to 1 22 DAQ devices accessing SCXI 1129 using DAQ device 1 19 to 1 20 PXI 1010 chassis 1 21 PXI 1011 chassis 1 21 installing SCXI 1129 into SCXI chassis 1 5 to 1 7 safety information 1 3 to 1 5 software installation 1 2 to 1 3 unpacking SCXI 1129 1 5 manually adding modules 1 24 matrix operation 2 1 to 2 20 configurations 2X4 two wire matrix configuration figure 2 1 4 x 16 matrix configuration 2 4 to 2 5 4 x 32 matrix configuration 2 6 to 2 7 4 64 matrix configuration 2 10 to 2 11 8 x 16 matrix configuration 2 8 to 2 9 8 x 32 matrix configuration 2 12 to 2 13 National Instruments Corporation Index 16 x 16 matrix configuration 2 14 to 2 15 terminal block example figure 2 3 terminal block matrix configuration table 2 2 matrix expansion 2 16 to 2 20 8 x 64 matrix schematic figure 2 16 column and row expansion using SCXI 1335 modules figure 2 19 daisy chained modules figure 2 18 terminal blocks table 2 17 overview 2 1 to 2 2 Measurement amp Automation utility MAX 1 22 to 1 23 multichassis system installing See installation multimodule scanning 2 24 to 2 26 chain triggering 2 24 dummy entries 2 25 wire ORed 2 25 2 26 National Instruments DMM See DMMs NI Developer Zone F 1 NI SWITCH software installation 1 2 to 1 3 pro
53. nsion you can create very large matrixes 1 SCXI 1335 1 4 SCXI 1335 3 6 SCXI 1335 4 2 Matrix Expansion Plug 1 5 Matrix Expansion Plug 2 7 Matrix Expansion Cables 3 SCXI 1335 2 Figure 2 13 Example of Column and Row Expansion Using SCXI 1335 Modules In the 4 x 64 4 x 16 and 4 x 32 matrixes you can to use the HVAB to both expand the matrix size and connect instruments to DUTSs By connecting the configuration relays BOCOMx to you can connect the rows of the four 4 x 16 matrixes and the two 4 x 32 matrixes so that a single 4 x 64 matrix is formed Also by connecting relays ABO AB3 you can connect these rows to the HVAB allowing you to connect instruments through the SCXI backplane This connection means that you can use multiple modules to construct 4 x 128 4 x 192 and larger matrixes without National Instruments Corporation 2 19 SCXI 1129 User Manual 2 Using the SCXI 1129 the need to daisy chain terminal blocks You can also use the 4 x 16 matrix in a similar fashion You cannot accomplish this connection with other matrix types since the row granularity is greater than four or in the case of the 4 x 64 matrix you cannot subdivide it To make a larger matrix such as a 16 64 matrix you must make both column and row expansions To build a larger matrix follow these steps 1 Expand the columns to the target number 64 in this case by
54. nterface Interface Connector and Control EXTRIGIN FPGA Front Signal Calibration EEPROM Connector SCXI 1336 Terminal Block B1RO Bank 1 Row 0 B1CO0 Bank 1 Column 0 Each row and column consists of two wires One for source and one for return Note The analog bus relays have a built in safety interlock For safety reasons they cannot be closed unless a terminal block is connected Figure 2 10 16 16 Matrix Configuration National Instruments Corporation 2 15 SCXI 1129 User Manual 2 Using the SCXI 1129 Matrix Expansion In addition to the configurations discussed above it is possible to combine modules with the same configuration to create much larger matrixes You can expand matrix modules through the terminal blocks by connecting columns and or rows Figure 2 11 shows an example of an 8 x 64 matrix created by connecting two 8 32 matrixes using a matrix expansion cable SCXI 1129 SCXI 1336 C1 C30 C31 S Matrix Terminal 8 Block ug Boundary C32 CO C63 C31 i or c s C SCXI 1129 SCXI 1336 Figure 2 11 8 x 64 Matrix Schematic SCXI 1129 User Manual 2 16 ni com 2 Using the SCXI 1129 The matrix expansion methods availabl
55. o a 4x 16 matrix configuration The SCXI 1334 terminal block converts the switch card to a 4 x 64 matrix configuration The SCXI 1335 terminal block converts the switch card to a 8 x 32 matrix configuration The SCXI 1336 terminal block converts the switch card to a 16 x 16 matrix configuration The SCXI 1337 terminal block converts the switch card to a 8 x 16 matrix configuration The SCXI 1339 terminal block converts the switch card to a 4 x 32 matrix configuration Use the 1 slot 2 slot and 8 slot HVAB backplane adapters to connect the HVAB of the SCXI 1129 to the DMM You can also use them to establish HVAB connections across multiple SCXI 1129 modules or SCXI chassis 2 slot and 8 slot HVAB backplane adapters have four connectors on the external side two HVAB connectors one digital input in AUXIN connector and one digital input out AUXOUT connector The 1 slot SCXI 1357 has only HVAB connectors The purpose of the AUXIN connector is to cable the digital communication signals from the DMM to the SCXI 1129 and finally to the SCXI chassis backplane The AUXOUT connector connects the DMM communication signals to the next chassis if one is present Use a SH9MD 9MD cable to connect digital communication lines of the DMM to the SCXI 1129 AUXOUT connector You can also use this cable to carry signals to the next chassis 1 SCXI 1129 User Manual Appendix Accessories e Use an 8 cable to connect the HVAB o
56. onfiguration To make connections in the single 4 slot chassis configuration refer to Figure 1 2 while completing the following steps 2227 1 5 1129 Module 2 4 Slot SCXI Chassis 3 2 Slot HVAB Backplane Adapter 6 NI 4060 for PCI 4 1 Slot HVAB Backplane Adapter 7 SH9MD 9MD Cable 5 8 Position HVAB Plug 8 HV8 BAN4 Cable SCXI 1129 User Manual Figure 1 2 4 Slot Single Chassis Installation Install the 2 slot HVAB backplane adapter behind slots 3 and 4 Install additional 1 slot HVAB backplane adapters behind slots 1 and 2 if needed Install the 8 position HVAB plugs to connect the HVAB backplane adapters as needed Connect the HV8 BAN4 cable from the DMM to the HVAB connector behind slot 4 Connect the SHOMD 9MD cable from the DMM to the AUX IN connector You can install any additional SCXI 1129 modules in any slot that has an HVAB backplane adapter behind it 1 8 ni com Chapter 1 Installing and Configuring the SCXI 1129 B Note In this configuration a SCXI 1129 is required in slot 4 to establish communication with the chassis If slot 4 is empty the system will not operate It is this module that you must specify in Measurement amp Automation Explorer MAX as the cabled module to the DMM Single 12 Slot Chassis Configuration To make connections in the single 12 slot chassis configuration refer to Figure 1 3 while completing the following steps SC
57. ons e 4 slot and 4 slot multichassis configuration e 4 slot and 12 slot multichassis configuration e 2 slot and 12 slot multichassis configuration You can also create larger configurations 4 Slot and 4 Slot Multichassis Configuration In addition to the items needed for a single chassis system you need the following to install this configuration e SCXI 1357 multichassis expansion kit HV8 HV8 cable SH9MD 9MD cable Two 8 position HVAB plugs One2 slot HVAB backplane adapter Two 1 slot HVAB backplane adapters 1 10 ni com Chapter 1 Installing and Configuring the SCXI 1129 To make connections in the 4 slot and 4 slot multichassis configuration refer to Figure 1 4 while completing the following steps J 9 1 2 Slot HVAB Backplane Adapter 5 NI 4060 for PCI 8 SH9MD 9MD Cable 2 8 Position HVAB Plug 6 SH9MD 9MD Cable 9 HV8 HV8 Cable 3 1 Slot HVAB Backplane Adapter 7 4 Slot SCXI Chassis 10 4 Slot SCXI Chassis 4 HV8 BAN4 Cable Figure 1 4 4 Slot to 4 Slot Multichassis Configuration Parts Locator Diagram National Instruments Corporation 1 11 SC
58. ons for a general test setup that connects both instruments and devices under test DUTs to columns while using rows as connection points You can create other terminal block configurations by connecting rows columns of the basic configuration RO R1 R2 Measurement Measurement DUT DUT DUT C1 C2 C3 C4 C5 C15 SCXI 1129 User Manual Figure 2 3 4 x 16 Matrix Test Setup Example Figure 2 4 is the block diagram of the SCXI 1129 in the 4 x 16 configuration The diagram is the basic configuration of the SCXI 1129 and shows the channels name that NI SWITCH uses With software you can create different configurations by connecting the rows of the appropriate switch banks For example connecting the rows of banks one and two and the rows of banks three and four creates a dual 4 x 32 matrix Connecting the rows of all four banks creates a 4 x 64 matrix You can access signals through the terminal block or if the HVAB is connected directly from the backplane This matrix is the most general purpose and versatile of the matrixes To connect signals to the HVAB connect the chosen rows to then connect COMO COMG to ABO AB3 2 4 ni com Chapter 2 Using the SCXI 1129
59. ons of the DUT You can access the HVAB at up to four rows at a time To connect signals to the HVAB connect the chosen rows to then connect to ABO AB3 Refer to Figure 2 10 for the channel names that NI SWITCH uses Source Source Meas Meas Meas RO R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 C1 C2 C15 DUT SCXI 1129 User Manual Figure 2 9 16 x 16 Matrix Test Setup Example ni com Chapter 2 Using the SCXI 1129 C0 C15 E ROIUmnE Connection Relays 0 4 x 16 Matrix 1 RO R3 A 4 rows 5 Relays 3 16 columns Analog Bus Relays High 0 4 4 16 1 1 1 tear R4 R7 7 2 a Se AB2 Signal Relays 3 4 3 Connector A 16 columns 0 Com1 Digital eas 4 x 16 Matrix 1 R8 R11 gt 2 RA NND Relays 3 Low of 16 columns 1 Winco Voltage Y 4 16 Matrix 1 4 rows R12 R15 2 Signal Relays 3 Connector 128 8 SRAM Scan List Memor y SCXIBus SCXIBus Digital I
60. 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 LabVIEW Measurement Studio National Instruments ni com NI DAQ PXI and SCXI 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 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 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 MONITORIN
61. ory SCXIBus Digital Interface SCXIBus Connector and Control Interface FPGA Calibration EEPROM National Instruments Corporation Figure C 1 SCXI 1129 Block Diagram C 1 SCXI 1129 User Manual SCXI 1129 Front Connector This appendix contains a connector diagram for the SCXI 1129 switch modules The diagram also show the signal names that are used When you connect a custom terminal block or cable it is important that you incorporate the safety interlock scheme into the terminal block cable The safety interlock disconnects the high voltage bus from the matrix if the terminal block or matrix configuration module is removed This action prevents potentially hazardous voltages from appearing on exposed front panel connectors You can incorporate the safety interlock scheme by connecting the INTERLOCK signal to the 5 V signal Refer to Table D 1 for descriptions of signal names National Instruments Corporation D 1 SCXI 1129 User Manual Appendix D SCXI 1129 Front Connector SCXI 1129 User Manual Pin Signal Column Signal Number Name C D Name 45 b BMOIS 44 SCANADV fo INTERLOCK 43 e d Y 42 NC NG 41 NG d NG 40 Bootes te od 39 mm Bacay 38 Beis le 37 Bele Bacia 36 Bii 35 Bacio i 34 acs Bio e 3 32 b 81 oos
62. our computer Store your SCXI 1129 module in the antistatic envelope when not in use Installing the Hardware The following section describes how to install your SCXI 1129 for use with SCXI chassis National Instruments data acquisition DAQ devices and National Instruments digital multimeters DMMs Installing the SCXI 1129 Module into the SCXI Chassis You need the following items to complete the installation e SCXI 1129 e SCXIchassis 1 8 in flathead screwdriver National Instruments Corporation 1 5 SCXI 1129 User Manual Chapter 1 Installing and Configuring the SCXI 1129 To install your SCXI 1129 module into the SCXI chassis refer to Figure 1 1 while completing the following steps 1 5 AB2 8 2 Slot HVAB Backplane Adapter 2 ABO 6 HV8 BAN4 9 SCXI Chassis 3 NI 4060 for PCI 7 SH9MD 9MD 10 SCXI 1129 Module 4 2 Figure 1 1 Installing the SCXI 1129 into an SCXI Chassis 1 Power off the computer that contains the DAQ DMM device or disconnect it from your SCXI chassis 2 Poweroffthe SCXI chassis Do not insert the SCXI 1129 module into a chassis that is powered on 3 Insertthe SCXI 1129 module into the rightmost slot Gently guide the module into the module guides and push it to the back of the slot until the connectors make good contact The module must be firmly engaged however do force the module into place Note When installing the SCXI 1129 module in an SC
63. pics 1 Double click the Measurement amp Automation Explorer icon on your desktop To add a new chassis right click Devices and Interfaces and select Create New Select the appropriate chassis from the list box and click Finish 1 22 ni com Chapter 1 Installing and Configuring the SCXI 1129 4 configure the chassis select the Chassis ID The chassis ID is an arbitrary number that you choose for use by the software to uniquely specify the chassis 5 Select the Chassis Address refer to your SCXI chassis user manual for further information For the SCXI 2000 you also need to select the Baud Rate and COM Port You now have the choice of auto detecting your modules or manually adding them depending on your application Auto Detecting Modules If you selected auto detect and the chassis is not an SCXI 2000 remote chassis you must have your chassis connected to your National Instruments device Note Make sure you have your chassis powered on l Click Next 2 Select your communication path except in the case of the SCXI 2000 and click Next 3 Select the module cabled to your communication path except in the case of the SCXI 2000 or if your module supports Auto Cable Detect and click Finish Note The SCXI 1129 has Auto Cable Detect which means that just by connecting the communications cable to the SCXI 1129 the software can identify that the SCXI 1129 is the cabled module Your SCXI chass
64. r Connector Trig 0 7 7 Trig 1 y Backplane 1 1 Trig 6 Y Trig 7 Y Figure 2 15 Cabling an External DMM Handshaking Scanning The SCXI 1129 supports a handshaking scanning mode This mode uses the standard VMC SCANADVD handshaking scheme In this mode the matrix responds to every VMC trigger by advancing the matrix to the next state waiting for the matrix to settle and then sending a scanner advanced pulse out on a SCANADVD output trigger back to the DMM National Instruments Corporation 2 23 SCXI 1129 User Manual 2 Using the SCXI 1129 For example you can connect the of the DMM to the SCXI 1129 through a spring terminal labeled EXTRIGIN on the SCXI 1333 terminal block You must also connect SCANADVD signal from the SCXI 1333 terminal block to your DMM external trigger input Refer to Figure 2 2 If you have more than one module in your system it is not necessary to cable the VMC to each module You can bus the VMC onto the SCXI backplane Trig 0 to Trig 7 allowing other modules to be triggered as shown in Figure 2 15 Multimodule Scanning SCXI 1129 User Manual The SCXI 1129 supports three multimodule operation modes This enables you to control many SCXI 1129 modules as if they were a single unit Chain Triggering Multimodule scanning on the SCXI 1129 is similar to single modu
65. rface Connector EXTRIGIN and Control G FPGA Front Signal Calibration EEPROM Connector SCXI 1129 Terminal Module Block B1R0 Bank 1 Row 0 1 0 Bank 1 Column 0 Each row and column consists of two wires One for source and one for return Note The analog bus relays have a built in safety interlock For safety reasons they cannot be closed unless a terminal block is connected National Instruments Corporation Figure 2 5 4 x 32 Matrix Configuration 2 7 SCXI 1129 User Manual 2 Using the SCXI 1129 8 x 16 Matrix Configuration The 8 x 16 matrix configuration gives you control of two independent 8 x 16 matrixes You can access the HVAB at up to four rows at a time To connect signals to the HVAB connect the chosen rows to then connect COM0 COMG to ABO AB3 This configuration provides more convenient way to create matrixes for applications that require a higher row count than the 4 x 16 matrix Refer to Figure 2 6 for the channel names that NI SWITCH uses SCXI 1129 User Manual 2 8 ni com Chapter 2 Using the SCXI 1129 1 0 1 15 Connection Relays 0 4 x 16 Matrix 1 B1RO B1R3 Pip 2 B
66. s 1 12 ni com Chapter 1 Installing and Configuring the SCXI 1129 To make connections in the 4 slot and 12 slot multichassis configuration refer to Figure 1 5 while completing the following steps 1 2 Slot HVAB Backplane Adapter 5 SH9MD 9MD Cable 9 SH9MD 9MD Cable 2 1 Slot HVAB Backplane Adapter 6 8 Position HVAB Plug 10 HV8 HV8 Cable 3 HV8 BAN4 Cable 7 8 Slot HVAB Backplane Adapter 11 4 Slot SCXI Chassis 4 NI 4060 for PCI 8 12 Slot SCXI Chassis Figure 1 5 4 Slot to 12 Slot Multichassis Configuration Parts Locator Diagram National Instruments Corporation 1 13 SCXI 1129 User Manual Chapter 1 Installing and Configuring the SCXI 1129 Install the HVAB backplane adapters and jumper blocks in the 12 slot chassis as described in steps 1 through 3 in the Single 12 Slot Chassis Configuration section Connect the HV8 HV8 cable from the first chassis normally the connector behind slot 1 to the HVAB connector behind slot 12 of the next chassis Connect the SH9MD 9MD cable from the AUX OUT connector of the first chassis to the AUX IN connector behind
67. section in Chapter 2 Using the SCXI 1129 The SCXI 1129 is designed to work well at both low and high voltages For low voltage measurements the SCXI 1129 uses relays with lt 9 thermal offset to ensure accurate measurements For details refer to Appendix A Specifications Installing the Software You can control the SCXI 1129 programmatically in an application development environment ADE using NI SWITCH The supported ADEs include LabVIEW Measurement Studio Visual Basic and C or C environments To install software for the SCXI 1129 complete the following 1 Install your ADE if you have not done so already 2 Insert your NI SWITCH software CD into your CD drive The installation window appears automatically Note If the installation window does not appear double click the My Computer icon on your PC desktop Find the CD drive and double click it In the CD directory double click install exe SCXI 1129 User Manual The NI SWITCH and NI DMM installation window offers three choices Install NI DMM Choose this selection if you want to install only the software for the DMM Install NI SWITCH Choose this selection if you want to install only the software for the switches Install NI SWITCH and NI DMM Choose this selection if you want to install the software for both the DMM and the switches 3 Click the Install NI SWITCH option 4 install the instrument driver Soft Front Panel s
68. slot 5 of the next chassis Repeat steps 1 through 3 for each additional chassis Notes Do not use the SH9MD 9MD cable behind slot 4 of the 2 slot HVAB backplane adapter on the 12 slot chassis An SCXI 1129 is required in slot 4 of the 4 slot chassis and slot 12 of 12 slot chassis to establish communications with all the chassis in the system If slot 4 is empty in the 4 slot chassis or slot 12 is empty in the 12 slot chassis the chassis will not operate It is this module that you must specify in MAX as the cabled module to the DMM If the 4 slot chassis is configured with less than four slots of the HVAB backplane adapter use the right most available HVAB connector to extend to the next chassis In this instance right most means the slot closest to slot 1 when the chassis is viewed from the back 12 Slot and 12 Slot Multichassis Configuration In addition to the items needed for a single chassis system you need the following items to install this configuration SCXI 1129 User Manual SCXI 1358 multichassis expansion kit HV8 HV8 cable SH9MD 9MD cable Three 8 position HVAB plugs One 8 slot HVAB backplane adapter One2 slot HVAB backplane adapter Two 1 slot HVAB backplane adapters 1 14 ni com Chapter 1 Installing and Configuring the SCXI 1129 To make connections in the 12 slot and 12 slot multichassis configuration refer to Figure 1 6 while completing the following steps x
69. slot chassis to establish communications with all the chassis in the system If slot 12 is empty the chassis will not operate It is this module that you must specify in MAX as the cabled module to the DMM If a chassis is configured with less than 12 slots of the HVAB backplane adapter use the right most available HVAB connector to extend to the next chassis In this instance right most means the slot closest to slot 1 when the chassis is viewed from the back Connecting the SCXI 1129 to the DMM in a PXI 1010 Chassis You need the following items to complete the installation SCXI 1129 User Manual PXI chassis with the SCXI 1129 modules installed SCXI 1357 kit Two 1 slot HVAB backplane adapters 2 slot HVAB backplane adapter HV8 to cable Two 8 position HVAB plugs SH9MD 9MD cable DMM 1 8 in flathead screwdriver Consult your PXI 1010 and DMM documentation for additional instructions and warnings You should have already installed the SCXI 1129 modules and any other SCXI modules in the chassis according to their installation instructions Before you proceed with your connections make sure you power off your SCXI chassis DMM in PXI Slots 1 through 7 Configuration To install your DMM in PXI slots 1 through 7 follow these steps 1 2 Install your DMM in any one of the PXI slots 1 through 7 In the SCXI subsystem install the 2 slot HVAB backplane adapter behind SCXI slots 3 and 4
70. t 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 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
71. t wireless 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 Name Number or the FCC Class B compliance mark that appears as shown here on the right Tested to Comply with FCC Standards Consult the FCC web site http www fcc for more information FCC DOC Warnings This equipment ge
72. te The analog bus relays have a built in safety interlock For safety reasons they cannot be closed unless a terminal block is connected National Instruments Corporation Figure 2 7 4 64 Matrix Configuration 2 11 SCXI 1129 User Manual 2 Using the SCXI 1129 8 x 32 Matrix Configuration SCXI 1129 User Manual The 8 x 32 matrix configuration gives you control over the entire switch matrix with no subdivisions All 256 crosspoints are treated as a contiguous block This configuration provides an easy way to create a full 256 crosspoint matrix for applications requiring more than four rows but still needing many columns You can access the HVAB at up to four rows at a time To connect signals to the HVAB connect the chosen rows to then connect COMO CONG to ABO AB3 Refer to Figure 2 8 for the channel names that NI SWITCH uses 2 12 ni com Chapter 2 Using the SCXI 1129 0 15 e eume Connection Relays 0 4 x 16 Matrix 1 RO R3 A 4 rows 5 Relays 3 16 columns High C16 C31 Analog Bus Relays g 0 ABO Voltage 4 x 16 Matrix 1 1 1 7 2 2 AB2 Signal Relays 3 4 3 Connector A 16 columns Como 0 Com1 Digita
73. ted from the matrix to the instrument This additional trigger Scanner Advanced notifies the measuring instrument that the matrix has settled and that the next measurement can be made This method is useful when using 2 20 ni com 2 Using the SCXI 1129 an SCXI 1129 with external instruments to guarantee that both the measurement instrument and the matrix have settled before taking the next measurement The second type of scanning software scanning is a method by which matrix connections are initiated through the software This method requires no trigger connections Software scanning does not offer the time accuracy of hardware timed scanning Hardware Timed Scanning In hardware timed scanning the software downloads a list of commands to the SCXI 1129 The software then starts executing the scan list The scan list executes until reaching a wait for a trigger command When the SCXI 1129 receives a trigger the scan list continues to advance until receiving another wait for trigger command Between waiting for triggers the switch state of the matrix can be changed When the matrix has changed state the scan list can be instructed to send a Scanner Advanced SCANADVD signal to the measurement instrument indicating that the system is ready for another measurement to be made Hardware Timed Scanning Using a DMM When using a DMM to control a chassis synchronous mode is the only mode in which the DMM and the SCXI 1129
74. the signal source to the terminal block National Instruments is not liable for any damages or injuries resulting from inadequate safety earth ground connections Do not loosen or re orient the safety ground lug hardware when connecting the safety ground wire to do so reduces the safety isolation between the high voltage and safety ground SCXI 1129 User Manual 1 4 ni com Chapter 1 Installing and Configuring the SCXI 1129 Clean the module and accessories by brushing off light dust with a soft non metallic brush Remove other contaminants with a stiff non metallic brush The unit must be completely dry and free from contaminants before returning it to service The terminal block must be used with a UL listed SCXI chassis Unpacking Your SCXI 1129 module is shipped in an antistatic package to prevent electrostatic damage to the module Electrostatic discharge can damage several components on the module To avoid such damage in handling the module take the following precautions e Ground yourself using a grounding strap by holding a grounded object e Touch the antistatic package to a metal part of your computer chassis before removing the module from the package UN Caution Never touch the exposed pins of connectors Remove the module from the package and inspect the module for loose components or any sign of damage Notify National Instruments if the module appears damaged in any way Do not install a damaged module into y
75. ther SCXI modules according to their installation instructions To install the SCXI 1129 module with an SCXI chassis follow these steps 1 Install the SCXI 1129s in the chassis and install the HVAB as described in one of the Connecting the SCXI 1129 backplane sections To connect an SCXI 1129 to an external DMM device you need two cables the HV8 BAN4 BAN2 WIRE cable and a cable to connect the handshaking lines from the SCXI 1129 to the DMM Attach your HV8 BAN4 cable to HVAB connector on the HVAB backplane adapter or connect the bare wire end of the BAN2 WIRE cable to one or more rows on one of the terminal blocks Attach the other end of the 8 BAN2 WIRE cable to the inputs of your external DMM device Connect the handshaking lines from the front of either the SCXI 1333 SCXI 1334 SCXI 1335 SCXI 1336 SCXI 1337 or SCXI 1339 terminal block to the appropriate lines on the external DMM Check the installation Power on the SCXI chassis Power on the computer or reconnect it to your chassis The SCXI 1129 module is now installed Note For the system to function properly it must be controlled by device NI 4021 switch controller or be a SCXI 2000 chassis Configuring and Self Test SCXI 1129 User Manual Launch MAX to configure and test your SCXI 1129 If you need help during the configuration process open the Measurement amp Automation Help file by selecting Help Help To
76. there are no errors negative values or warnings positive values You can also use the NI Spy utility which is installed with NI SWITCH to check for error codes e Verify that your program is correct For reference see the examples described in the NI SWITCH Software User Manual The NI SWITCH driver also ships with several examples in source code Compare your algorithm to the ones in the examples Do I need to program the SCXI 1129 myself The SCXI 1129 comes with the NI SWITCH driver software that exports the full functionality of the module NI SWITCH handles the complex issues of register writes to the module and operating system interfacing Can I plug a non SCXI 1129 module into a slot that has a high voltage analog backplane Yes You can plug in a module that does not support the HVAB The non SCXI 1129 module does not connect to the HVAB or the digital communication lines on the HVAB backplane adapter Must I install the complete high voltage analog backplane No You do not have to install the complete backplane There can be instances where it is necessary for a non SCXI 1129 module to communicate to a device using a different backplane adapter For example using a separate digital module in parallel mode In this case you can remove that segment of the HVAB although it is important that you do not remove the section of the HVAB that is controlling the chassis Can I use the HVAB for matrix expansion Yes With th
77. tility MAX 1 22 to 1 23 configuration of matrix See matrix operation connector See front connector conventions used in manual vi customer education F 1 D DAQ devices accessing SCXI 1129 through other SCXI modules 1 19 to 1 20 PXI 1010 chassis 1 21 PXI 1011 chassis 1 21 digital multimeters See DMMs DMMs connecting external DMMs to SCXI 1129 1 21 to 1 22 connecting SCXI 1129 in multichassis system 1 10 to 1 16 4 slot and 4 slot multichassis configuration 1 10 to 1 12 4 slot and 12 slot multichassis configuration 1 12 to 1 14 12 slot and 12 slot multichassis configuration 1 14 to 1 16 SCXI 1129 User Manual Index connecting SCXI 1129 in PXI 1010 chassis 1 16 to 1 17 DMM in PXI slot 8 1 17 DMM in PXI slots 1 through 7 1 16 to 1 17 connecting SCXI 1129 in PXI 1011 chassis DMM in PXI slot 4 1 18 DMM in PXI slots 1 through 3 1 18 connecting SCXI 1129 in single chassis system 1 7 to 1 10 items required 1 7 single 4 slot chassis configuration 1 8 to 1 9 single 12 slot chassis configuration 1 9 to 1 10 handshaking mode fails to work with third party DMM 1 to E 2 hardware timed scanning 2 21 to 2 22 dummy entries multimodule scanning 2 25 dynamic characteristics SCXI 1129 A 2 E environment specifications A 2 to A 3 external DMMs connecting to SCXI 1129 1 21 to 1 22 external instruments in hardware timed scanning handshaking scanning mode 2 23 to 2 24 synchronous scanning mode 2 2
78. uency temperature and so on See digital multimeter software that controls a specific hardware device such as a switch card a voltage pulse from an external source that triggers an event such as A D conversion the use of two trigger lines between two instruments such as a switch and a DMM to synchronize their actions high voltage analog bus hertz the number of scans read or updates written per second G 2 ni com in matrix multiplexer NI SWITCH PXI relay scan National Instruments Corporation G 3 Glossary input output the transfer of data to from a computer system involving communications channels operator interface devices and or data acquisition and control interfaces inches superset of multiplexer consists of connected rows and columns that allows for a direct connection from any row to any column a switching device with multiple inputs that sequentially connects each of its inputs to its output typically at high speeds in order to measure several signals with a single analog input channel an IVI based instrument driver that supports the National Instruments line of switch cards PCI with extensions for instrumentation a switch that connects or disconnects the signal to a common through the physical movement of a metal arm seconds the data acquisition of signals connected to multiple channels of a multiplexer Typically the measurement device uses a trigger to advanc
79. wo 8 x 16 2 wire matrixes hy Note Common matrix terminology describes matrixes by the number of rows by the number of columns they contain For example four rows by 16 columns would be written as 4 16 Through the use of special terminal blocks refer to Table 2 1 Terminal Block Matrix Configuration the SCXI 1129 can become many different matrix types Refer to Table 1 1 for a complete list of matrix configurations Table 1 1 Possible Configurations of the SCXI 1129 Matrix Configuration Quantity 4x16 4 each 8x16 2 each 4x32 2 each 4 x 64 each 8x32 each 16x16 each To accommodate even larger testing needs you can expand the matrix size by combining additional modules With the use of terminal blocks you can expand rows on the 4 x 16 and 16 x 16 matrixes and you can expand rows and columns on the 4 x 64 and the 8 x 32 matrixes These modules support the analog bus through a special adapter the high voltage analog bus HVAB backplane adapter in the SCXI 1357 1358 kit at the rear of the module This adapter allows you to expand the HVAB without complicated National Instruments Corporation 1 1 SCXI 1129 User Manual Chapter 1 Installing and Configuring the SCXI 1129 wiring By connecting multiple modules to the HVAB adapter it is possible to expand the matrix size without external row or column connectors For more information on matrix expansion refer to the Matrix Expansion

SCXI-1129 User Manual - National Instruments

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