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Chapter 3

Developing Your Application

VXI-MXI-Express Series User Manual

3-2

ni.com

Measurement Studio allows you to choose from standard environments
such as Microsoft Visual Basic, Visual C++, and Visual Studio .NET to
create your application, using tools specific for each language. With
Measurement Studio, you can write programs quickly and easily and
modify them as your needs change.

LabWindows/CVI is an interactive ANSI C programming environment
designed for building virtual instrument applications. LabWindows/CVI
delivers a drag-and-drop editor for building user interfaces, a complete
ANSI C environment for building your test program logic, and a collection
of automated code generation tools, as well as utilities for building
automated test systems, monitoring applications, or laboratory
experiments.

To use any of these application programs, install them before installing
the NI-VISA/NI-VXI software. LabVIEW, Measurement Studio, and
LabWindows/CVI integrate the VXI and VISA libraries required to support
your NI VXI-8360T/LT controller. You also get hundreds of complete
instrument drivers, which are modular, source-code programs that handle
the communication with your instrument to speed your application
development.

NI-VXI, NI-VISA, and Related Terms

Before you develop your application, it is important to understand the
difference between NI-VXI, NI-VISA, and similar terms.

•

NI-VXI/NI-VISA CD

is the software package that ships with National

Instruments VXI and VME controllers. This software CD includes
Measurement & Automation Explorer (MAX), NI-VISA, NI I/O
Trace, Resource Manager (Resman), VXI device drivers, and other
utilities for configuring and controlling your VXI or VME system.

•

NI-VISA

is the native API for communicating with VXI/VME devices.

NI-VISA is the National Instruments implementation of the VISA I/O
standard, which is a common interface to many types of instruments
(such as VXI, GPIB, PXI, Serial, TCP/IP, and so on). NI-VXI is
optimized for use through NI-VISA, and NI recommends using
NI-VISA to develop all new VXI/VME applications.

•

The

NI-VXI API

is an optional development environment that was

developed before NI-VISA. Although NI-VXI still supports the
NI-VXI API, NI recommends using NI-VISA for all new VXI/VME
applications. Refer to the

NI-VXI API Notes

section for more

information regarding the NI-VXI API.

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Содержание VXI-MXI-Express Series

Страница 1: ...nstruments VXI 8360T Manual Get Pricing Availability at ApexWaves com Call Today 1 800 915 6216 Email sales apexwaves com https www apexwaves com vxi national instruments vxi and vme remote controllers VXI 8360T ...

Страница 2: ...VXI MXI TM Express VXI MXI Express Series User Manual NI VXI 8360T NI VXI 8360LT VXI MXI Express Series User Manual April 2012 373683A 01 ...

Страница 3: ...sses and current events National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin Texas 78759 3504 USA Tel 512 683 0100 For further support information refer to the Technical Support and Professional Services appendix To comment on National Instruments documentation refer to the National Instruments Web site at ni com info and enter the Info Code feedback 2012 National Instru...

Страница 4: ... retrieval system or translating in whole or in part without the prior written consent of National Instruments Corporation National Instruments respects the intellectual property of others and we ask our users to do the same NI software is protected by copyright and other intellectual property laws Where NI software may be used to reproduce software or other materials belonging to others you may u...

Страница 5: ...ER 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 W...

Страница 6: ...rference will not occur in a particular installation when the product is connected to a test object or if the product is used in residential areas To minimize the potential for the product to cause interference to radio and television reception or to experience unacceptable performance degradation install and use this product in strict accordance with the instructions in the product documentation ...

Страница 7: ...Installation and Configuration Equipment Needed 2 1 Unpacking 2 2 Software Installation 2 2 Hardware Installation and Configuration 2 3 Installing Your NI VXI 8360T LT Controller 2 3 Installing Your MXI Express x1 Host Adapter or Peripheral 2 4 Connecting Cables 2 4 Powering On Off the MXI Express System 2 4 Software Configuration 2 5 Default Software Settings 2 7 Chapter 3 Developing Your Applica...

Страница 8: ... 3 9 Appendix A Specifications Appendix B Advanced Hardware Configuration Settings Appendix C Using the Trigger Ports on the NI VXI 8360T Appendix D Using the Trigger Ports on the NI VXI 8360LT Appendix E How to Fix an Invalid EEPROM Configuration Appendix F VMEbus Capability Codes Appendix G Common Questions Appendix H Technical Support and Professional Services Glossary Index ...

Страница 9: ...through nested menu items and dialog box options to a final action The sequence File Page Setup Options directs you to pull down the File menu select the Page Setup item and select Options from the last dialog box This icon denotes a note which alerts you to important information This icon denotes a caution which advises you of precautions to take to avoid injury data loss or a system crash When t...

Страница 10: ... following documents contain information that you might find helpful as you read this manual Your computer and or chassis documentation ANSI IEEE Standard 1014 1987 IEEE Standard for a Versatile Backplane Bus VMEbus ANSI IEEE Standard 1155 1998 IEEE VMEbus Extensions for Instrumentation VXIbus ANSI VITA 1 1994 VME64 VXI 6 VXIbus Mainframe Extender Specification Rev 2 0 VXIbus Consortium NI VISA He...

Страница 11: ...the capabilities of an embedded computer With MXI Express x1 you can do the following Control a VXI backplane with a PCI Express or ExpressCard based PC or laptop mobile host adapter Physically separate the measurement or automation system from a host PC or laptop Combine VXI PCI Express CompactPCI CompactPCI Express PXI PXI Express and CompactRIO devices into the same system Several different MXI...

Страница 12: ...360LT for more information about using the trigger bus ports on the NI VXI 8360T Kits that include a MXI Express interface board also include a 3 m MXI Express x1 cable 1 m and 7 m cables are also available and can be purchased separately The kits also include the NI VXI NI VISA CD which installs the VXI device drivers NI VISA MAX Resman and other useful utilities This software also enables additi...

Страница 13: ...VDC rail of the NI VXI 8360T ACT Indicates bus activity on the MXI Express link PWRGD Indicates the on board power supplies are in regulation LINK Indicates the MXI Express link connecting the host computer to the NI VXI 8360T has been established TRIG CLK PORT A B These ports allow the user to daisy chain the 8 TTL triggers and or CLK10 between multiple chassis CABLE STATUS LED Indicates if the c...

Страница 14: ... is accessing the NI VXI 8360LT CB Indicates the circuit breaker has tripped from an over current condition on the 5 0 VDC rail of the NI VXI 8360LT ACT Indicates bus activity on the MXI Express link PWRGD Indicates the on board power supplies are in regulation LINK Indicates the MXI Express link connecting the host computer to the NI VXI 8360LT has been established Two Trigger Bus Ports These por...

Страница 15: ...TRG CLK Port B 4 SMB I O 1 Status LEDs 2 Trigger Bus Ports 3 SMB I O MXI Express x1 Copper P1 Connector P2 Connector PCIe Gen 1 x1 PCIe to PCI Bridge PXI PCI MITE ASIC P2 MANTIS ASIC P1 MANTIS ASIC CLK10 Backplane Triggers Wired VXI Backplane Trigger and CLK10 Bus 1 2 3 4 MXI Express x1 Copper 1 3 P1 Connector P2 Connector PCIe Gen 1 x1 PCIe to PCI Bridge PXI PCI MITE ASIC P2 MANTIS ASIC P1 MANTIS...

Страница 16: ...a x1 cabled MXI Express link This link is a dual simplex communication channel comprised of a low voltage differentially driven signal pair The link can transmit at a rate of 2 5 Gbps in each direction simultaneously This port is not compatible with the cabled PCI Express specification developed by the PCI SIG The BIOS of some host machines may not support the extension of the PCI Express fabric o...

Страница 17: ...omputer via a MXI Express x1 link Figure 1 3 Host System with NI VXI 8360T LT Controller Refer to the MXI Express x1 Series User Manual or the Set Up Your MXI Express x1 System guide included in your kit for more information about MXI Express x1 connectivity support for the NI VXI 8360T LT controller 1 Host Computer 2 VXI Mainframe 3 NI VXI 8360T LT Controller in Slot 0 4 MXI Express x1 Cable bus ...

Страница 18: ...multiple PCI or PCI Express slots are available in the host PC additional chassis can be connected by installing additional NI MXI Express x1 host boards to achieve the same star topology You can also daisy chain from a PXI or PXI Express chassis that is already controlled by an embedded controller host PC or laptop to a VXI mainframe using MXI Express x1 products Figure 1 4 Example MXI Express x1...

Страница 19: ...propriate for the host system slot Refer to the connectivity tables in the Set Up Your MXI Express x1 System guide to determine which MXI Express x1 products are compatible with the NI VXI 8360T and NI VXI 8360LT A VXIbus mainframe A NI VXI 8360T LT controller MXI Express x1 copper cable National Instruments NI VXI driver software CD 1 Some x16 slots may not work correctly with MXI Express adapter...

Страница 20: ...PXI Express CompactPCI Express CompactRIO or VXI chassis Store the device in the antistatic envelope when not in use Software Installation Run setup exe on the NI VXI VISA software CD included with your kit to install the software and for installation instructions The CD will install the driver for the product as well as NI VISA by default With NI VISA installed on your computer you can run any VX...

Страница 21: ...ged The NI VXI 8360T LT controllers default configuration of onboard jumpers should be acceptable for most systems Refer to Appendix B Default Jumper Settings only if your system uses the front panel CLK10 and trigger SMB connectors Caution To guard against electrostatic discharge touch the antistatic plastic packages to a metal part of your computer or chassis before removing the boards from thei...

Страница 22: ...pace This region is reserved for VXI device configuration registers which are used for initializing configuring and interacting with VXI devices The NI VXI 8360T LT controller also uses this region for this purpose Installing Your MXI Express x1 Host Adapter or Peripheral Refer to the Setup Your MXI Express x1 System guide included in the kit for hardware installation instructions Connecting Cable...

Страница 23: ...ust be executed every time the chassis or computer power is cycled so that your application can access devices in the VXI chassis Note You can also configure MAX to run Resman automatically at every computer startup by selecting the Run Auto VXI Resource Manager at Startup checkbox from the Tools NI VXI VXI Options menu MAX presents a graphical display of your entire test and measurement system to...

Страница 24: ...Resman encounters any issues during configuration it will report errors in Max under the system listing Note If you change any configuration settings you will need to run Resman to apply the changes Note You can also run Resman for all VXI systems at once in MAX by selecting Tools NI VXI VXI Resource Manager Note If you are using extenders such as MXI 2 to create a multichassis system you may need...

Страница 25: ...ing Device class Message based Number of handlers 1 Table 2 2 MAX Shared Memory Tab Default Settings Editor Field Default Setting Don t share memory A24 A32 write posting Enabled Table 2 3 MAX VXI Bus Tab Default Settings Editor Field Default Setting Bus timeout value 500 μs VXI retry generation Enabled Automatic retries Enabled VXI transfer limit 256 A24 A32 write posting Enabled Requester mode R...

Страница 26: ...lt Settings Editor Field Default Setting Low level register access API support Enabled User window size 512 KB DMA setting Enable DMA on this controller Table 2 5 MAX SMB Tab Default Settings Editor Field Default Setting CLK10 50 Ω termination Disabled Invert CLK10 polarity Enabled TRIG IN 50 Ω termination Disabled ...

Страница 27: ...u can use the National Instruments LabVIEW Measurement Studio and LabWindows CVI application programs and instrument drivers to ease your programming task These standardized programs match the modular virtual instrument capability of VXI and can reduce your VXI VME software development time These programs are fully VXIplug play compliant and feature extensive libraries of VXI instrument drivers wr...

Страница 28: ...ds of complete instrument drivers which are modular source code programs that handle the communication with your instrument to speed your application development NI VXI NI VISA and Related Terms Before you develop your application it is important to understand the difference between NI VXI NI VISA and similar terms NI VXI NI VISA CD is the software package that ships with National Instruments VXI ...

Страница 29: ...ster level access to VXI instruments and messaging capability to message based devices You can also use either interface to service asynchronous events such as triggers signals and interrupts and also assert them Compatibility with the NI VXI API is included for legacy applications only NI recommends that you write all new VXI VME applications in VISA The best way to learn NI VISA programming is b...

Страница 30: ...t data transfer protocol To optimize move performance on virtual memory systems such as the Windows operating system lock the user buffer in memory yourself so the move operation does not need to lock the buffer To optimize move performance on paged memory systems such as the Windows operating system use a contiguous buffer so the move operation does not need to build a scatter gather list for the...

Страница 31: ...l VXIbus access functions on some controllers You can define these symbols using define statements in your source code or using the appropriate option in your compiler typically either D or D If you use define statements they must appear in your code before the line that includes the NI VXI API header nivxi h Compatibility Layer Options Although NI VXI supports multiple VXI controllers through NI ...

Страница 32: ... devices are enabled This means that some interrupts could be lost from devices with higher numbered logical addresses MAX provides an option for users to pick which logical address is enabled first Select Tools NI VXI VXI Options Set Prioritized Signal LA to the logical address of the device that generates the events This prevents possible loss of events from that device Device Interaction and De...

Страница 33: ...lows you to control your VXI VME devices without using LabVIEW Measurement Studio LabWindows CVI or another programming language You can also control your devices in MAX by right clicking a device name and selecting Open VISA Session Try the following in VISAIC In the tree view navigate using your mouse to the VISA resource for your controller probably VXI0 0 INSTR representing the VXI system 0 lo...

Страница 34: ...ut and select the In tab In this tab you can read registers on your device such as the VXI device configuration registers Execute the In operation with Width set to 16 bits and other parameters set to default values The In Value field shows the I O operation result such as 0x8ff6 The Return Data field shows the function status such as No Error for VI_SUCCESS as shown in Figure 3 3 ...

Страница 35: ... system This way you can verify that your VXI controller can access each device in your VXI system successfully You can also access VXI and VME devices configured in A16 A24 or A32 space by opening the VXI MEMACC resource which is VISA s representation of VXI memory For more information about VISAIC operations and commands refer to the online help in the Help menu and the context sensitive help su...

Страница 36: ...l numbers listed above are followed by their specific NI assembly numbers in parentheses x denotes all letter revisions of the assembly Ensure the specifications of interest match the NI assembly number that is printed on either the front or back side of the board For specifications on other MXI Express x1 products that can connect to the NI VXI 8360T and NI VXI 8360LT refer to the MXI Express x1 ...

Страница 37: ...change without notice Power Requirements Physical Size C size C 1 Dimensions 23 3 34 0 cm 9 2 13 4 in Weight 1 3 kg 46 8 oz Slot requirements Single VXI C size slot Compatibility Fully compatible with VXI specification VXI keying class Class 1 TTL MTBF Contact factory Voltage Current Typical DC Dynamic 5 V 1 600 A 1 600 A 12 V 0 020 A 0 020 A 5 2 V 0 177 A 0 125 A 2 V 0 060 A 0 125 A ...

Страница 38: ...ge level 0 1to4 9Vintoopencircuit typical 0 1 to 2 5 V into 50 Ω typical Absolute maximum DC current 50 mA Output coupling DC TRIG IN SMB Connector Input buffer TTL compatible Input coupling DC TRIG OUT SMB Connector Output drive 50 Ω line driver Voltage level 2 0 V minimum into 50 Ω typical Output coupling DC Figure A 1 Front Panel SMB Connectors 1 2 TRIG IN 1 2 1 2 TRIG OUT EXT CLK CLK10 ...

Страница 39: ... Pinout Pin Signal Name Signal Description 1 SIGNALCONDUCTOR Trigger CLK 2 Shield GND Ground MXI Express x1 Connector Pin Number Signal Description A1 PERn0 A2 PERp0 A3 RSVD A4 SB_RTN A5 CREFCLK A6 CREFCLK A7 PWR_RTN A8 CPERST A9 GND B1 GND B2 RSVD B3 CWAKE B4 CPRSNT B5 GND B6 PWR B7 CPWRON B8 PETn0 B9 PETp0 A9 A1 B1 B9 ...

Страница 40: ...and IEC 60068 2 2 meets MIL PRF 28800F Class 3 low temperature limit and MIL PRF 28800F Class 2 high temperature limit Relative humidity range 10 to 90 Tested in accordance with IEC 60068 2 56 Storage Environment Ambient temperature range 40 to 85 C Tested in accordance with IEC 60068 2 1 and IEC 60068 2 2 meets MIL PRF 28800F Class 3 limits Relative humidity range 5 to 95 Tested in accordance wit...

Страница 41: ...010 1 UL 61010 1 CSA 61010 1 Note For UL and other safety certifications refer to the product label or the Online Product Certification section Electromagnetic Compatibility This product meets the requirements of the following EMC standards for electrical equipment for measurement control and laboratory use EN 61326 1 IEC 61326 1 Class A emissions Basic immunity EN 55011 CISPR 11 Group 1 Class A e...

Страница 42: ... Compatibility Directive EMC Online Product Certification To obtain product certifications and the Declaration of Conformity DoC for this product visit ni com certification search by model number or product line and click the appropriate link in the Certification column Environmental Management NI is committed to designing and manufacturing products in an environmentally responsible manner NI reco...

Страница 43: ... compliance with WEEE Directive 2002 96 EC on Waste Electrical and Electronic Equipment visit ni com environment weee Cleaning If you need to clean the module use a soft nonmetallic brush Make sure that the module is completely dry and free from contaminants before returning it to service ᄤֵᙃѻક ᶧ ࠊㅵ ࡲ Ё RoHS Ё ᅶ National Instruments ヺড়Ё ᄤֵᙃѻકЁ䰤ࠊՓ ᶤѯ ᆇ 䋼ᣛҸ RoHS Ǆ Ѣ National Instruments Ё RoHS ড়㾘ᗻֵᙃ...

Страница 44: ...ments Physical Size C size C 1 Dimensions 23 3 34 0 cm 9 2 13 4 in Weight 1 3 kg 47 2 oz Slot requirements Single VXI C size slot Compatibility Fully compatible with VXI specification VXI keying class Class 1 TTL MTBF 322 638 hours Voltage Current Typical DC 5 V 1 750 A1 12 V 0 020 A 5 2 V 0 177 A 2 V 0 060 A 1 An additional 0 079 A may be drawn when a combined 100 mA is sourced from the 3 3 V pin...

Страница 45: ...l 0 1to4 9Vintoopencircuit typical 0 1 to 2 5 V into 50 Ω typical Absolute maximum DC current 50 mA Output coupling DC TRIG IN SMB Connector Input buffer TTL compatible Input coupling DC TRIG OUT SMB Connector Output drive 50 Ω line driver Voltage level 2 0 V minimum into 50 Ω typical Output coupling DC Figure A 2 Front Panel SMB Connectors 1 2 TRIG IN 1 2 1 2 TRIG OUT EXT CLK CLK10 ...

Страница 46: ...onnector Pinout Pin Signal Name Signal Description 1 SIGNALCONDUCTOR Trigger CLK 2 Shield GND Ground MXI Express x1 Connector Pin Number Signal Description A1 PERn0 A2 PERp0 A3 RSVD A4 SB_RTN A5 CREFCLK A6 CREFCLK A7 PWR_RTN A8 CPERST A9 GND B1 GND B2 RSVD B3 CWAKE B4 CPRSNT B5 GND B6 PWR B7 CPWRON B8 PETn0 B9 PETp0 A9 A1 B1 B9 ...

Страница 47: ...gger Bus Ports Physical interface TIA EIA899 M LVDS compatible Bus transceiver Texas Instruments SN65MLVD080 Maximum trigger bus length 20 m of cables Maximum number of devices on bus 61 1 Additional devices sharing the bus may function but is not supported by National Instruments ...

Страница 48: ...ude 2 000 m Pollution Degree 2 Indoor use only Trigger Bus Port Pin Number Signal Description 1 3 3 V 2 3 3 V Return 3 LXI1p 4 LXI1n 5 GND 6 LXI3p 7 LXI3n 8 GND 9 LXI5p 10 LXI5n 11 RSVD 12 LXI7p 13 LXI7n 14 LXI0p 15 LXI0n 16 RSVD 17 LXI2p 18 LXI2n 19 GND 20 LXI4p 21 LXI4n 22 GND 23 LXI6p 24 LXI6n 25 RSVD 1 14 13 25 ...

Страница 49: ...mbient temperature range 40 to 85 C Tested in accordance with IEC 60068 2 1 and IEC 60068 2 2 meets MIL PRF 28800F Class 3 limits Relative humidity range 5 to 95 Tested in accordance with IEC 60068 2 56 EMI FCC Class A verified EC verified Shock and Vibration Operational shock 30 g peak half sine 11 ms pulse Tested in accordance with IEC 60068 2 27 meets MIL PRF 28800F Class 2 limits Random vibrat...

Страница 50: ... Class A emissions Basic immunity EN 55011 CISPR 11 Group 1 Class A emissions AS NZS CISPR 11 Group 1 Class A emissions FCC 47 CFR Part 15B Class A emissions ICES 001 Class A emissions Note In the United States per FCC 47 CFR Class A equipment is intended for use in commercial light industrial and heavy industrial locations In Europe Canada Australia and New Zealand per CISPR 11 Class A equipment ...

Страница 51: ...l information refer to the NI and the Environment Web page at ni com environment This page contains the environmental regulations and directives with which NI complies as well as other environmental information not included in this document Waste Electrical and Electronic Equipment WEEE EU Customers At the end of the product life cycle all products must be sent to a WEEE recycling center For more ...

Страница 52: ...onfiguration This information is intended for more advanced users Do not attempt to reconfigure any jumpers unless you are familiar with its purpose The following hardware configuration settings are user configurable Slot 0 detection VXIbus CLK10 routing SMB Trigger I O Backplane trigger I O For the jumper locations and default settings see Figure B 1 Default Jumper Settings Note To gain access to...

Страница 53: ...2 3 IN DEFAULT W2 SMB CLK10 DIR 1 2 IN DEFAULT 2 3 OUT W3 EXT SOURCE SELECT 1 2 SMB DEFAULT 2 3 TRIGGER CARD W4 CLK10 SOURCE SELECT 1 2 INTERNAL OSC DEFAULT 2 3 EXTERNAL SOURCE W5 MITE CONFIGURATION 1 2 FACTORY 2 3 USER DEFAULT W8 MITE SELF CONFIG 1 2 DISABLE 2 3 ENABLE DEFAULT J2 SLOT 0 DETECT 1 2 NON SLOT 0 3 4 AUTO DETECT DEFAULT 5 6 SLOT 0 1 2 3 W7 1 2 3 W5 1 2 3 W2 1 2 3 W3 1 2 3 W4 W8 1 2 3 ...

Страница 54: ...0 first reconfigure it as either a Non System Controller or for automatic detection Failing to do so may result in damage to the NI VXI 8360T LT controller and or the backplane When the NI VXI 8360T LT controller is installed in Slot 0 of a VXI system it becomes the VXIbus System Controller As the System Controller the NI VXI 8360T LT controller has VXIbus Data Transfer Arbiter circuitry that acce...

Страница 55: ... NI VXI 8360T LT controller The internal 10 MHz 100 ppm CLK10 oscillator This is the default CLK10 source The front panel EXT CLK SMB connector When configured as an input the front panel SMB allows an external source to be used as the source for the VXIbus CLK10 signal NI VXI 8360T Only The front panel TRIG CLK PORT A B CLK10 can be routed into the NI VXI 8360T from another NI VXI 8360T through t...

Страница 56: ...press Series User Manual CLK10 Routing Options Figure B 3 CLK10 Routing Options To From Backplane W4 W3 External Internal 10 MHz Oscillator 100 ppm To From TRG CLK PORT To From SMB W7 W2 SMB CLK Dir Trig Card CLK 10 Dir CLK 10 Source Select NI VXI 8360T Only External CLK 10 Source Select ...

Страница 57: ...8360T EXT CLK SMB Input for CLK10 CLK10 Out Out X SMB External NI VXI 8360T LT Off In X SMB External NI VXI 8360T Trigger Port Off Input for CLK10 Out In Trigger Card External NI VXI 8360T CLK10 Out Out Out Trigger Card External NI VXI 8360T Not recommended Undefined operation In X Trigger Card External Table B 2 NI VXI 8360T LT Non Slot O CLK10 Routing Options and Jumper Configurations Product CL...

Страница 58: ...rough MAX CLK10 Termination If the front panel SMB connector EXT CLK is configured as an input this software setting can enable 50 Ω parallel termination This setting can be found in the hardware configuration panels in MAX as shown in Figure B 4 Front Panel SMB Trigger Input Termination Optional software enabled 50 Ω parallel termination is available for the front panel trigger input This setting...

Страница 59: ...registers so that the VXI interface is ready to respond to Resource Manager accesses within the required 5 seconds of SYSRST deasserting You can disable this power on self configuration POSC circuit by changing switch W8 Although this makes the VXI circuitry unusable it is sometimes helpful in debugging address and interrupt conflicts with add in boards In general however you should leave W8 in it...

Страница 60: ... able to support more devices and or greater cable lengths but these configurations have not been validated by National Instruments and are not currently supported Connecting the Trigger Port Cables When connecting the cables between two devices on the wired VXI backplane trigger and CLK10 bus always ensure you connect TRIG CLK PORT A of one device to TRIG CLK PORT B of the second device or TRIG C...

Страница 61: ...n the Signal Mappings Tab 5 From each TTL Trigger select Into the Frame Out of the Frame or None 6 Click OK and re run the Resman for the changes to take effect Note Do not map the same trigger out of the frame on more than one device on the trigger bus This will cause the bus to be driven by more than one device Protection circuitry prevents this from causing physical damage however your setup wi...

Страница 62: ... To map a trigger from the VXI backplane to multiple chassis configure the trigger to be mapped as Out of the Frame in MAX This configures the trigger as a driver The remaining devices on the wired VXI backplane trigger and CLK10 bus need to be configured as listeners by configuring their respective triggers as In to the Frame To map CLK10 Out of the Frame set jumper W7 to connect pins 1 2 To map ...

Страница 63: ... trigger bus correspond to the 8 TTL triggers on the VXI backplane e g TTLTRG0 on the VXI backplane corresponds to Trigger Number 0 on the wired VXI backplane trigger bus Each of the 8 physical trigger channels are independently configurable and can be used in one of two topologies point to multipoint or multipoint to multipoint Driven Mode Operation This is a point to multipoint configuration whe...

Страница 64: ... individually configurable as an input or output or both The NI VXI driver software allows a trigger be mapped In to the Frame input or Out of the Frame output but not both This constrains a single trigger to be either a driver or a receiver Connecting the Trigger Port Cables The physical pinout for the two trigger ports is identical so there are no special cable connection requirements between th...

Страница 65: ...are using the following steps 1 Open MAX 2 Find your device under Devices and Interfaces 3 Right click on your device and select Properties 4 Click on the Signal Mappings Tab 5 For each TTL Trigger select Into the Frame Out of the Frame or None 6 Click OK and re run the Resman for the changes to take effect HARDWARE SOFTWARE Trigger set to Into the frame Trigger set to Out of the frame Receiver Re...

Страница 66: ...Or Mode Triggers Complete the following steps to map a trigger from the VXI backplane to the wired VXI backplane trigger bus Driving Device 1 In MAX configure the trigger to be mapped as Out of the Frame 2 Set the trigger s hardware switch to configure it as a Wired OR Listening Device 1 In MAX configure the trigger to be mapped as In to Frame 2 Set the trigger s hardware switch to select the type...

Страница 67: ...ry the EEPROM is divided into two halves one half is factory configured and the other half is user configurable By default the VXI MXI Express boots from the user half of the EEPROM Should the EEPROM become corrupt complete the following steps to restore the EEPROM to its factory settings 1 Power off your computer Caution To protect both yourself and the mainframe from electrical hazards the mainf...

Страница 68: ...g factory default settings Click OK to continue 6 In the General tab under Quick Configuration select Default Configuration 7 Click Yes in the pop up box if you are sure you want to restore the factory defaults 8 Click OK in the hardware configuration panel to save the settings 9 After saving the configuration exit Windows and power off the computer 10 Change jumper W5 back to the default position...

Страница 69: ...ck and D64 transfers RMW master VMEbus master read modify write transfers RMW slave VMEbus slave read modify write transfers RETRY master VMEbus master retry support RETRY slave VMEbus slave retry support FSD First slot detector SCON VMEbus System Controller PRI RRS Prioritized or Round Robin Select arbiter ROR FAIR Release on Request and FAIR bus requester IH 7 1 Interrupt handler for levels 7 1 ...

Страница 70: ...es must communicate to devices in other chassis directly National Instruments recommends that you use a VXI MXI 2 interface which implements the VXI 6 specification for mainframe extension This extends full VXI functionality across multiple mainframes including a common device address space interframe triggering interrupts and bus mastering Place a VXI MXI 2 in the same mainframe with the Slot 0 N...

Страница 71: ... Measurement Automation Explorer MAX to configure the NI VXI 8360T LT controller MAX is in the National Instruments program group folder and a shortcut is on your desktop How do I handle VME devices Although there is no way to automatically detect VME devices in a system you can add them easily through the Add Device Wizard in MAX Through this procedure you can reserve resources for each of your V...

Страница 72: ...th the NI VXI API to test register based devices by programming their registers If you have any message based devices you can send and receive messages with the viRead and viWrite operations in the NI VISA API or WSrd and WSwrt functions in the NI VXI API Notice that VXIinReg and VXIoutReg are for VXI devices only but you can use VXIin and VXIout for both VXI and VME Finally if you are using LabVI...

Страница 73: ... Membership This program entitles members to direct access to NI Applications Engineers via phone and email for one to one technical support as well as exclusive access to eLearning training modules at ni com elearning All customers automatically receive a one year membership in the Standard Service Program SSP with the purchase of most software products and bundles including NI Developer Suite NI...

Страница 74: ...ation of conformity This system affords the user protection for electromagnetic compatibility EMC and product safety You can obtain the DoC for your product by visiting ni com certification Calibration Certificate If your product supports calibration you can obtain the calibration certificate for your product at ni com calibration You also can visit the Worldwide Offices section of ni com niglobal...

Страница 75: ...ifier One of six signals in the VMEbus specification used by VMEbus masters to indicate the address space in which a data transfer is to take place address space A set of 2n memory locations differentiated from other such sets in VXI VMEbus systems by six addressing lines known as address modifiers n is the number of address lines required to uniquely specify a byte location in a given space Valid...

Страница 76: ...ompatible computer BIOS functions embody the basic operations needed for successful use of the computer s hardware resources block mode transfer An uninterrupted transfer of data elements in which the master sources only the first address at the beginning of the cycle The slave is then responsible for incrementing the address on subsequent transfers so that the next element is transferred to or fr...

Страница 77: ...e single destination signal with a matched delay of under 8 ns Commander A message based device that is also a bus master and can control one or more Servants configuration registers A set of registers through which the system can identify a module device type model manufacturer address space and memory requirements To support automatic system and memory configuration the VXI specification require...

Страница 78: ...med embedded controller An intelligent CPU controller interface plugged directly into the VXI backplane giving it direct access to the VXIbus It must have all of its required VXI interface capabilities built in EMC electromagnetic compliance EMI electromagnetic interference external trigger A voltage pulse from an external source that triggers an event F fair requester A VXIbus device that will no...

Страница 79: ...trotechnical Commission The IEC publishes internationally recognized standards IEC 60068 contains information on environmental testing procedures and severities IEEE Institute of Electrical and Electronics Engineers in inches instrument driver A set of routines designed to control a specific instrument or family of instruments and any necessary related files for LabWindows CVI or LabVIEW interrupt...

Страница 80: ...relationships M m meters M mega 1 the standard metric prefix for 1 million or 106 when used with units of measure such as volts and hertz 2 the prefix for 1 048 576 or 220 when used with B byte to quantify data or computer memory master A functional part of a VME VXIbus device that initiates data transfers on the backplane A transfer can be either a read or a write message based device An intellig...

Страница 81: ...sition instruments NI VISA The National Instruments implementation of the VISA standard an interface independent software that provides a unified programming interface for VXI GPIB and serial instruments NI VXI The National Instruments bus interface software for VME VXIbus systems Non Slot 0 device A device configured for installation in any slot in a VXIbus mainframe other than Slot 0 Installing ...

Страница 82: ...s slave A functional part of a VME VXIbus device that detects data transfer cycles initiated by a VMEbus master and responds to the transfers when the address specifies one of the device s registers Slot 0 device A device configured for installation in Slot 0 of a VXIbus mainframe This device is unique in the VXIbus system in that it performs the VXI VMEbus System Controller functions including cl...

Страница 83: ... given to VISA and its associated architecture VISAIC VISA Interactive Control program a part of the NI VISA software Used to program devices and develop and debug application programs VITA VMEbus International Trade Association VME Versa Module Eurocard or IEEE 1014 VMEbus System Controller A device configured for installation in Slot 0 or a VXIbus mainframe or the first slot in a VMEbus chassis ...

Страница 84: ...devices in a VXIbus system It utilizes the A16 communication registers to transfer data using a simple polling handshake method write posting A mechanism that signifies that a device will immediately give a successful acknowledge to a write transfer and place the transfer in a local buffer The device can then independently complete the write cycle to the destination ...

Страница 85: ...3 5 compiler symbols 3 5 configuration 2 1 additional star figure 1 8 advanced hardware settings B 1 advanced options B 1 NI VXI 8360T trigger ports C 1 D 1 slot 0 detection B 5 slot 0 detection figure B 5 connecting cables 2 4 conventions used in the manual ix D debugging tools 3 6 Declaration of Conformity NI resources H 2 default settings jumper B 2 software 2 7 developing applications 3 1 devi...

Страница 86: ...xplorer device tab default settings table 2 7 PCI tab default settings table 2 8 shared memory tab default settings table 2 7 SMB tab default settings table 2 8 VXI bus tab default settings table 2 7 Measurement Studio 3 2 MITE EEPROM power on self configuration B 10 MXI Express x1 basic system 1 7 block diagrams 1 5 larger systems 1 8 unpacking 2 2 MXI Express x1 system expansion topologies figur...

Страница 87: ...ibration specifications A 6 A 14 slot 0 detection configuration B 5 J2 jumper figure B 5 SMB tab default settings table 2 8 software configuration 2 5 installation 2 2 verification 2 5 software NI resources H 1 specifications CE compliance A 7 A 16 cleaning A 8 A 16 electromagnetic compatibility A 6 A 15 environmental A 5 A 13 operating environment A 5 A 14 shock and vibration A 6 A 14 storage env...

Страница 88: ...outing B 6 optional settings inverting CLK10 B 9 figure B 9 termination B 9 VXI MXI Express series controller application development 3 1 common questions G 1 configuration 2 1 copper cable lengths G 1 default software settings 2 7 determining serial number G 1 determining which NI VXI utility to use with G 2 ensuring that system is up and running G 3 equipment 2 1 expanding system G 1 front panel...

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