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Chapter 6

NI-VXI Configuration Utility

VXI/VME-PCI8026 for Linux

6-8

www.ni.com

The default timeout value is 1 ms. If the Enable MXI-2 Auto Retry option
is enabled, you should use a MXI Bus Timeout of 1 ms or greater.

MXI CLK10

The PCI-MXI-2 is capable of either receiving or driving the MXIbus
CLK10 signal.

You can use the Drive or Receive options of the MXI CLK10 feature to
control the direction of the MXIbus CLK10 signal. By default all MXI-2
boards receive MXI CLK10 (the Receive option is active); therefore, you
must choose one board on your MXI-2 bus to drive CLK10 by changing the
value of the option to Drive. For most configurations, it is recommended to
choose the System Controller as the CLK10 source for simplicity. The only
exception you may want to make is if you want your triggers synchronous
to the VXI 10 MHz clock.

Caution

Do not configure more than one MXIbus device to drive MXIbus CLK10. Having

a second device driving MXIbus CLK10 could damage the device.

MXI Transfer Limit

Use this feature to control how many data transfers the PCI-MXI-2 will
perform on the MXIbus before releasing it to another master device that is
requesting use of the bus. The default setting holds the MXIbus for an
unlimited period of time.

The other options you can choose from are 256, 64, and 16 transfers. If you
do not want the PCI-MXI-2 to hold the MXIbus for an unlimited period of
time, you can use this option to select one of these values.

MXI-2 Auto Retry

The PCI-MXI-2 has an automatic retry feature for cycles that map from the
MXI bus to the PCI bus. By default this option is enabled.

Normally, when a cycle maps from the MXI bus to the PCI bus, any retry
response received on the PCI bus is passed to the MXI bus. When the
MXI-2 auto retry feature is enabled, the PCI-MXI-2 automatically retries
any PCI cycle when the PCI host responds to a cycle with a retry. The
PCI-MXI-2 automatically continues to retry the PCI cycle until it receives
either a DTACK or BERR response, which it then passes to the MXI bus.
This is the default situation because many external masters do not support
VXI/MXI retries. If the external master does support retries, it may be
beneficial to disable the MXI-2 auto retry feature. With this feature

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Содержание MXI VXI-PCI8026

Страница 1: ...MXI Getting Started with Your VXI VME PCI8026 and the NI VXI NI VISA Software for Linux VXI VME PCI8026 for Linux December 1999 Edition Part Number 322651A 01...

Страница 2: ...8 14 24 24 Germany 089 741 31 30 Greece 30 1 42 96 427 Hong Kong 2645 3186 India 91805275406 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico D F 5 280 7625 Mexico Monterr...

Страница 3: ...ects 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...

Страница 4: ...interference to radio and television reception Classification requirements are the same for the Federal Communications Commission FCC and the Canadian Department of Communications DOC Changes or modif...

Страница 5: ...s Cet appareil num rique de la classe B respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada European Union Compliance to EEC Directives Readers in the EU EEC EEA must refer...

Страница 6: ...1 5 Optional Software 1 6 Quick Start 1 6 Hardware Installation 1 7 Installing and Loading the NI VXI VISA Software for Linux 1 8 VME Users 1 8 Device Interaction 1 8 Default Settings 1 9 PCI MXI 2 1...

Страница 7: ...ration EEPROM 4 7 Onboard DRAM 4 8 Install the VME MXI 2 4 10 Connect the MXIbus Cable 4 11 Chapter 5 NI VXI VISA Software Installation Installing the NI VXI VISA Software for Linux 5 1 Removing the N...

Страница 8: ...MXI 2 Auto Retry 6 8 A24 A32 Write Posting 6 9 PCI Bus 6 9 User Window and Driver Window 6 9 Expansion ROM 6 10 VXI VME MXI 2 Configuration Editor 6 10 LA Selection and Logical Address 6 11 Address S...

Страница 9: ...em Configuration Functions 7 4 Compiling Your C Program for NI VXI VISA 7 4 Symbols 7 4 Appendix A Specifications PCI MXI 2 A 1 MXIbus Capability Descriptions A 1 PCI Functionality A 2 Requirements A...

Страница 10: ...PCI MXI 2 Parts Locator Diagram 2 2 Figure 2 2 PCI MXI 2 Installed in a Computer 2 4 Figure 3 1 VXI MXI 2 Right Side Cover 3 2 Figure 3 2 Logical Address Selection 3 5 Figure 3 3 VXIbus Slot Configur...

Страница 11: ...ings C 1 Figure C 2 Restoring the Factory Configuration C 2 Tables Table 1 1 PCI MXI 2 Hardware Default Settings 1 9 Table 1 2 PCI MXI 2 Logical Address Configuration Editor Default Settings 1 10 Tabl...

Страница 12: ...your PCI based computer to the VMEbus Both kits include the PCI MXI 2 interface board which links your computer to the MXIbus and the NI VXI bus interface software The VXI PCI8026 and VME PCI8026 kit...

Страница 13: ...stalled the NI VXI software Use the Acrobat Reader program Version 3 or later to open this file We recommend the VISA API for new applications Refer to the NI VISA User Manual to learn about VISA and...

Страница 14: ...hasizes lines of code that are different from the other examples monospace italic Italic text in this font denotes text that is a placeholder for a word or value that you must supply Usually this is a...

Страница 15: ...ith a Default Settings section which lists the hardware and software default settings for easy reference You may find that these sections contain as much information as you need to get started with yo...

Страница 16: ...hapter 6 Chapter 5 Chapter 7 Chapter 4 Software and Utilities Reference Chapter 1 Write Application Program Using VXI or VME Configure and Install the PCI MXI 2 Install the NI VXI VISA Software Review...

Страница 17: ...re included with the kits is for Intel x86 based computers What You Need to Get Started A PCI based computer running Linux kernel 2 2 x VXIbus or VMEbus mainframe PCI MXI 2 interface board VXI MXI 2 o...

Страница 18: ...to the MXIbus and vice versa Because the PCI MXI 2 uses the same communication register set that other VXIbus message based devices use other MXIbus devices view the PCI MXI 2 as a VXIbus device The...

Страница 19: ...ng the MITE custom ASIC a sophisticated dual channel DMA controller with standard interfaces for VXI VME MXI and PCI By using MITE DMA to transfer data and commands to and from devices the MITE frees...

Страница 20: ...as follows You have one PCI MXI 2 interface module which you will install in your 5 V PCI based computer as the Resource Manager logical address 0 You have either one C size VXI MXI 2 or one 6U B siz...

Страница 21: ...l the VXI MXI 2 in the first slot of a VXI chassis or install the VME MXI 2 in the first slot of a VME chassis The VXI VME MXI 2 default configuration automatically detects whether it should be the VX...

Страница 22: ...em refer to the description of the Non VXI Device Configuration Editor in Chapter 3 VXI Text Resource Editor in the NI VXI Text Utilities Reference Manual For more details about installing the NI VXI...

Страница 23: ...e configured in A16 A24 and A32 address space by using the vxiin or vxiout commands For more information regarding victext operation and commands refer to the online help Default Settings This section...

Страница 24: ...ng Logical Address 0 Device Type MBD Address Space A16 VXI Shared RAM Size 0 KB Shared RAM Pool 0 KB Lower Half Window Byte Swapping Disabled non swapped Lower Half Window Memory Select System Memory...

Страница 25: ...nt Area Size 0 Number of Handlers 1 Number of Interrupters 0 Protocol Register 0xFF0 Read Protocol Response 0x8448 Table 1 4 PCI MXI 2 Bus Configuration Editor Default Settings Editor Field Default Se...

Страница 26: ...om onboard oscillator External Trigger Termination S2 OFF Unterminated SMB CLK10 Direction S3 OUT Drive CLK10 signal SMB CLK10 Termination S4 Ignored effective only when S3 is set to IN Polarity of Ex...

Страница 27: ...s protected both switches OFF DRAM SIMMs Installed Per customer order SIMM Size Configuration S2 OFF if SIMMS are 4 M 32 or larger ON if smaller than 4 M 32 Table 1 7 VXI VME MXI 2 Configuration Edito...

Страница 28: ...ry Disabled MXI Transfer Limit Unlimited MXI Parity Checking Enabled MXI Fair Requester Disabled MXI CLK10 Set by hardware switch VXI MXI 2 only Assumes no DRAM is installed If DRAM is installed the A...

Страница 29: ...mponents on your PCI MXI 2 module To avoid such damage in handling the module touch the antistatic plastic package to a metal part of your computer chassis before removing the PCI MXI 2 from the packa...

Страница 30: ...Chapter 2 PCI MXI 2 Configuration and Installation VXI VME PCI8026 for Linux 2 2 www ni com Figure 2 1 PCI MXI 2 Parts Locator Diagram 1 U17 2 DRAM 2 1...

Страница 31: ...C EEPROM Configuration Onboard DRAM The PCI MXI 2 can accommodate one DRAM SIMM Table 2 1 lists the SIMMs you can use You can use 32 bit or 36 bit SIMMs because DRAM parity is not required The PCI MX...

Страница 32: ...electricity that might be on your clothes or body 5 Line up the PCI MXI 2 with the MXI 2 connector near the cut out on the back panel Slowly push down on the top of the PCI MXI 2 until its card edge...

Страница 33: ...removing the VXI MXI 2 from the package Configure the VXI MXI 2 This section describes how to configure the following options on the VXI MXI 2 VXIbus logical address VXIbus Slot 0 Non Slot 0 VXIbus l...

Страница 34: ...NON INVERTED SMB CLK10 Direction 50 Termination for External Trigger Input S3 S2 Off Out S4 Off S5 In On On INVERTED VXI MXI 2 Push up for logic 1 Push down for logic 0 Receive CLK10 from MXIbus 3 Sh...

Страница 35: ...s it should not be necessary to remove it under normal circumstances However it is necessary to remove the enclosure if you want to change the amount of DRAM installed on the VXI MXI 2 Switch S6 which...

Страница 36: ...have a logicaladdress of 1 If they do change the logical address setting of either the VXI MXI 2 or the other device so that every device in the system has a unique associated logical address You can...

Страница 37: ...he automatic detection circuitry Use the three position jumper W2 to select automatic Slot 0 detection Slot 0 or Non Slot 0 operation Figure 3 3 shows these three settings Caution Do not install a dev...

Страница 38: ...and grants the bus to the highest priority requester As VMEbus System Controller the VXI MXI 2 also drives the 16 MHz VMEbus system clock by an onboard 16 MHz oscillator As required by the VXIbus spe...

Страница 39: ...dules for a single mainframe in adjacent slots You will use two switches on the VXI MXI 2 to select its position in relation to any other VXI MXI 2 module in the mainframe Use switch S9 when there is...

Страница 40: ...0 signal Use the three position jumper W3 to select these options as shown in Figure 3 5 Notice that Figure 3 5b and Figure 3 5c also show switches S3 and S7 respectively You must configure these swit...

Страница 41: ...signal instead use the settings shown in either Figure 3 5a or Figure 3 5c as appropriate When switch S3 is set so that the VXI MXI 2 receives the SMB CLK10 signal you have the option to add a 50 is...

Страница 42: ...ration settings for the VXI MXI 2 Figure 3 6a shows the default configuration which is for driving the inverted external CLK SMB Use the settings of Figure 3 6b to drive the noninverted external CLK S...

Страница 43: ...On 50W Termination for External Trigger Input S3 Out In S4 Off On S5 SMB CLK10 Direction 50W Termination for SMB CLK10 Effective only when S3 is set to IN SMB CLK10 Output Polarity Effective only whe...

Страница 44: ...r Figure 3 5b as appropriate Caution Do not configure more than one MXIbus device to drive the MXIbus CLK10 Having a second device driving MXIbus CLK10 could damage the device Figure 3 7 shows the con...

Страница 45: ...1 and 2 of the four position switch at location U35 to control whether MXIbus termination is automatic Figure 3 9a on Figure 3 9b or off Figure 3 9c The settings of switches 3 and 4 have no effect on...

Страница 46: ...omatic termination if you want to manually control termination Figure 3 9 MXIbus Termination a Automatic MXIbus Termination Default b Terminate MXIbus On c Do Not Terminate MXIbus Off Restore Factory...

Страница 47: ...causes the VXI MXI 2 to boot off the factory configured half instead of the user modified settings This is useful in the event that the user configured half of the EEPROM becomes corrupted in such a...

Страница 48: ...ected Restore Factory Configuration Change Factory Configuration Automatic MXIbus Termination Terminate MXIbus Yes Yes No No No No Yes Yes U35 1 2 3 4 Restore Factory Configuration Change Factory Conf...

Страница 49: ...Instruments Option Switch Setting of S6 0 256 K 32 or 256 K 36 1 MB ON 256 K 32 or 256 K 36 256 K 32 or 256 K 36 2 MB ON 512 K 32 or 512 K 36 2 MB ON 512 K 32 or 512 K 36 512 K 32 or 512 K 36 4 MB ON...

Страница 50: ...IMMs smaller than 4 M 32 use the ON setting as shown in Figure 3 11b Figure 3 11 SIMM Size Configuration Refer to Table 3 1 for how to adjust the switch ON or OFF for all supported DRAM configurations...

Страница 51: ...MXI 2 straight in until it seats in the expansion slot The front panel of the VXI MXI 2 should be even with the front panel of the mainframe 5 Tighten the retaining screws on the top and bottom edges...

Страница 52: ...I 2 cable power on the VXIbus mainframe and then the computer Note Always turn on the mainframe first Doing so makes it possible for your external computer to access the VXI boards in the mainframe up...

Страница 53: ...tic package to a metal part of your VMEbus chassis before removing the VME MXI 2 from the package Configure the VME MXI 2 This section describes how to configure the following options on the VME MXI 2...

Страница 54: ...Chapter 4 VME MXI 2 Configuration and Installation VXI VME PCI8026 for Linux 4 2 www ni com Figure 4 1 VME MXI 2 Parts Locator Diagram 1 S2 2 U21 3 W2 4 U20 5 DRAM Bank 1 6 DRAM Bank 0 1 2 3 6 5 4...

Страница 55: ...15 and 14 high with address lines 13 through 6 matching the logical address of the VME MXI 2 and address lines 5 through 0 low In other words the A16 base address of the VME MXI 2 module s 64 byte reg...

Страница 56: ...modules cannot monitor this signal they should be permanently disabled If it is not possible to disable a module s bus timeout unit it should be configured to the highest setting to give MXIbus acces...

Страница 57: ...able to terminate the MXIbus You can manually control MXIbus termination by defeating the automatic circuitry Use switches 3 and 4 of the four position switch at location U21 to control whether MXIbus...

Страница 58: ...ect when switch 3 is set for automatic MXIbus termination you must turn off automatic termination if you want to manually control termination Figure 4 4 MXIbus Termination a Automatic MXIbus Terminati...

Страница 59: ...causes the VME MXI 2 to boot off the factory configured half instead of the user modified settings This is useful in the event that the user configured half of the EEPROM becomes corrupted in such a...

Страница 60: ...ne organization at a time all SIMMs installed must be of the same type Use Bank 0 first when installing SIMMs This allows you to install up to 64 MB The VME MXI 2 supports DRAM speeds of 80 ns or fast...

Страница 61: ...st the switch ON or OFF for all supported DRAM configurations Many of the DRAM options are available from National Instruments Table 4 1 VME MXI 2 DRAM Configurations Bank 0 Bank 1 Total DRAM National...

Страница 62: ...access to the mainframe slots 3 Insert the VME MXI 2 in the slot you have selected by aligning the top and bottom of the board with the card edge guides inside the mainframe Slowly push the VME MXI 2...

Страница 63: ...beled end of the cable to the MXI 2 device that will be the MXIbus System Controller Connect the other end of the cable to the other device Be sure to tighten the screw locks to ensure proper pin conn...

Страница 64: ...erly connected the MXI 2 cable power on the VMEbus mainframe and then the computer Note Always turn on the mainframe first Doing so makes it possible for your external computer to access the VME board...

Страница 65: ...the current directory to the mounted CD ROM type the following command cd mnt cdrom 5 To run the installation script type the following command INSTALL The INSTALL places NI VXI and NI VISA in their...

Страница 66: ...ping rpm e nivxi pcimxi nivisa removes the NI VXI VISA software Using the NI VXI VISA Software The NI VXI software is configured to be loaded in the usr local nivxi directory If you have installed the...

Страница 67: ...struments Resource Manager You must run resman every time the chassis power is cycled so that your application can access devices in the VXI VME chassis After you run resman you are ready to use the N...

Страница 68: ...mmand prompt You can run vxitedit from any directory but make sure that both the PATH and NIVXIPATH environment variables have the destination directory of the NI VXI software added to them NIVXIPATH...

Страница 69: ...he options Update Current Configuration Use this option to write the configuration settings to the PCI MXI 2 EEPROM and files used by NI VXI It configures the PCI MXI 2 to be consistent with the confi...

Страница 70: ...tegories Device Settings VXI Shared Memory and Resource Manager The following paragraphs describe the options you can select for each of the fields Device Settings The Device Settings category contain...

Страница 71: ...4 or A16 A32 are the following options relevant VXI VME Shared RAM Size Shared RAM Pool Advanced Byte Swapping Memory Select Mapping VXI VME Shared Memory Linux does not support sharing of system RAM...

Страница 72: ...If you select the Local controller option the NI VXI functions execute on the PCI MXI 2 System IRQ Level The remote controllers in this case the VXI VME MXI 2 can report events such as triggers and D...

Страница 73: ...pports This field is meaningful only when the PCI MXI 2 is configured as a message based device The default value is FF0 Commander Signal Register Master Read Protocol Response This field specifies th...

Страница 74: ...fer to Connect the MXIbus Cable at the end of either Chapter 3 VXI MXI 2 Configuration and Installation or Chapter 4 VME MXI 2 Configuration and Installation of this manual You can select the Yes or N...

Страница 75: ...control how many data transfers the PCI MXI 2 will perform on the MXIbus before releasing it to another master device that is requesting use of the bus The default setting holds the MXIbus for an unl...

Страница 76: ...because cycles to onboard RAM will always complete successfully PCI Bus The following paragraphs describe the options for the PCI Bus portion of this editor User Window and Driver Window The PCI MXI 2...

Страница 77: ...ced below 1 MB with the Linux NI VXI driver Therefore the Place below 1 MB option and the Window Base option will always be disabled Expansion ROM Use the Enable expansion ROM option to enable or disa...

Страница 78: ...ge of 1 to 254 If you use this option the hardware switch setting has no effect and you must use the VXI VME MXI 2 Configuration Editor to change the logical address Address Space and Requested Memory...

Страница 79: ...e posting option affects write cycles that map through the A24 window and A32 window from the VXI VMEbus to the MXIbus and vice versa This option also affects write cycles to the VXI VME MXI 2 itself...

Страница 80: ...MXI 2 modules for normal operating mode and others for interlocked arbitration mode The VXI VMEbus mainframes configured in interlocked arbitration mode will be interlocked with each other and the mai...

Страница 81: ...time Caution Do not install a VXI VME MXI 2 configured for VMEbus System Controller VXI Slot 0 into another slot without first reconfiguring it to either Non Slot 0 or automatic configuration Neglect...

Страница 82: ...h Auto Retry is enabled Transfer Limit You can use this feature to control how many data transfers the VXI VME MXI 2 will perform on the VXI VMEbus before releasing it to another master device that is...

Страница 83: ...information refer to the VMEbus specification VXI VME Fair Requester The VXI VME MXI 2 is always a Release On Request requester However you can configure whether the VXI VME MXI 2 acts as either a fai...

Страница 84: ...ntroller The functionality of this option is similar to that of the VXI Bus Timeout option described previously under the VXI VME Bus Options section The options range from 8 s to 128 ms with a defaul...

Страница 85: ...w many data transfers the VXI VME MXI 2 will perform on the MXIbus before releasing it to another master device that is requesting use of the bus The default setting holds the MXIbus for an unlimited...

Страница 86: ...erride the setting of S7 and control the direction of the MXIbus CLK10 signal When receiving the MXIbus CLK10 signal configure the W3 jumper setting to use the MXIbus as the source for generating the...

Страница 87: ...XI User Manual and the NI VXI online help for overviews of NI VXI and detailed descriptions of the NI VXI functions The user manual is available in the NIVXI manuals directory where NIVXI refers to th...

Страница 88: ...t correctly as described in Chapter 5 NI VXI VISA Software Installation Also refer to your software utilities reference manual for additional examples For NI VISA programming examples look in VXIpnp l...

Страница 89: ...I or NI VISA software reference manual for more information on low level VXIbus or VMEbus access functions Local Resource Access Functions By using vxitedit you can set up the PCI MXI 2 to share eithe...

Страница 90: ...s how to use different groups of functions You can then modify the sample programs to try out different aspects of the NI VXI software The sample programs for the Linux CC compiler are in the usr loca...

Страница 91: ...ould look something like the following sample code define VXILINUX include nivxi h Refer to the documentation that came with your compiler package for detailed instructions about using the compiler an...

Страница 92: ...ode A32 A24 and A16 addressing Slave mode block transfers and synchronous block transfers Master mode D32 D16 and D08 data sizes Slave mode D32 D16 and D08 data sizes Optional MXIbus System Controller...

Страница 93: ...ck Target fast back to back capability Supported Resource locking Supported as a master and slave PCI interrupts Interrupts passed on INTA signal Base Address Registers BAR 0 dedicated to local regist...

Страница 94: ...e 0 to 95 EMI FCC Class A verified Physical Board dimensions 174 63 by 106 68 mm 6 875 by 4 2 in Connectors Single fully implemented MXI 2 connector Slot requirements Single PCI slot MTBF Contact fact...

Страница 95: ...oller Can be a fair MXIbus requester Can lock the MXIbus for indivisible transfers Can terminate the MXIbus MXIbus master retry support MXIbus slave retry support Interrupt handler for levels 7 to 1 I...

Страница 96: ...ransfers 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 FAI...

Страница 97: ...rage 0 to 95 EMI FCC Class A verified Physical Board dimensions Fully enclosed shielded VXI C size board 233 35 by 340 mm 9 187 by 13 386 in Connectors Single fully implemented MXI 2 bus connector and...

Страница 98: ...l Instruments Corporation A 7 VXI VME PCI8026 for Linux 5 2 VDC Typical DC current rating 180 mA Maximum DC current rating 225 mA 2 VDC Typical DC current rating 80 mA Maximum DC current rating 100 mA...

Страница 99: ...oller Can be a fair MXIbus requester Can lock the MXIbus for indivisible transfers Can terminate the MXIbus MXIbus master retry support MXIbus slave retry support Interrupt handler for levels 7 to 1 I...

Страница 100: ...ransfers 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 FAI...

Страница 101: ...95 Noncondensing storage 0 to 95 EMI FCC Class A verified Physical Board dimensions VMEbus double height board 233 36 by 160 mm 9 187 by 6 2999 in Connectors Single fully implemented MXI 2 bus connect...

Страница 102: ...Appendix A Specifications VME MXI 2 National Instruments Corporation A 11 VXI VME PCI8026 for Linux Performance Peak 33 MB s Sustained 23 MB s...

Страница 103: ...tail in the NI VXI Text Utilities Reference Manual vxitedit is the text based VXI resource editor program This program is described in detail in the NI VXI Text Utilities Reference Manual The README f...

Страница 104: ...tems ws h contains parameter and return values for the Commander and Servant Word Serial functions This file is useful in VXI systems but is not applicable for VME systems Header Files for NI VISA The...

Страница 105: ...the user configurable half This switch is useful in the event that the configuration becomes corrupted in such a way that the PCI MXI 2 boots to an unusable state The TST switch switch 2 of U17 lets y...

Страница 106: ...se steps to reconfigure the PCI MXI 2 1 Turn your computer off Warning To protect both yourself and the computer from electrical hazards the computer should remain off while changing the settings on t...

Страница 107: ...instructions on using this utility 7 After saving the configuration reboot the computer 8 Remove the top cover or access port to the PCI bus 9 Change switch 1 FOV on U17 to the OFF position 10 Replac...

Страница 108: ...victext and NI VXI and the hardware revision of the PCI MXI 2 that the NI VXI software supports How can I determine the serial number and hardware revision of the PCI MXI 2 board Run the NI VXI utilit...

Страница 109: ...vices by programming their registers If you have any message based devices you can send and receive messages with the WSwrt and WSrd functions Notice that VXIinReg and VXIoutReg are for VXI devices on...

Страница 110: ...the front panel use TTL Therefore you need to supply a TTL level signal for EXTCLK and our voltage converters will convert the signal to differential ECL CLK10 is not applicable to VME What is the ac...

Страница 111: ...if you do not have full permissions to some of the NI VXI files and directories Users who will be using NI VXI should have full permissions to the tbl and examples directories They should also have r...

Страница 112: ...ns FAQs and their corresponding answers or solutions including special sections devoted to our newest products The database is updated daily in response to new customer experiences and feedback Troubl...

Страница 113: ...o provide information on local services You can access these Web sites from www ni com worldwide If you have trouble connecting to our Web site please contact your local National Instruments office or...

Страница 114: ...cent A A Amperes A16 space VXIbus address space equivalent to the VME 64 KB short address space In VXI the upper 16 KB of A16 space is allocated for use by VXI devices configuration registers This 16...

Страница 115: ...numbers for n are 16 24 and 32 In VME VXI because there are six address modifiers there are 64 possible address spaces address window A portion of address space that can be accessed from the applicat...

Страница 116: ...ely long wait for a slave response bus master A device that is capable of requesting the Data Transfer Bus DTB for the purpose of accessing a slave device C C Celsius CLK10 A 10 MHz 100 ppm individual...

Страница 117: ...See Data Transfer Bus dynamically configured device A device that has its logical address assigned by the Resource Manager A VXI device initially responds at Logical Address 255 when its MODID line i...

Страница 118: ...bus request signal inactive This ensures that all requesting devices will be granted use of the bus H hex Hexadecimal the numbering system with base 16 using the digits 0 to 9 and letters A to F Hz He...

Страница 119: ...ransfers in which both the Address bus and the Data bus are used to transfer data message based device An intelligent device that implements the defined VXIbus registers and communication protocols Th...

Страница 120: ...nboard RAM The optional RAM installed into the SIMM slots of the PCI MXI 2 board or VXI VME MXI 2 module P PCI Peripheral Component Interconnect The PCI bus is a high performance 32 bit or 64 bit bus...

Страница 121: ...ve mode operation A device is in slave mode it if is responding to a bus cycle Slot 0 device A device configured for installation in Slot 0 of a VXIbus mainframe This device is unique in the VXIbus sy...

Страница 122: ...program VXI devices and develop and debug VXI application programs VME Versa Module Eurocard or IEEE 1014 VMEbus System Controller A device configured for installation in Slot 0 of a VXIbus mainframe...

Страница 123: ...lay the system configuration information generated by the Resource Manager W Word Serial Protocol The simplest required communication protocol supported by message based devices in a VXIbus system It...

Страница 124: ...module 4 11 VXI MXI 2 module 3 19 CLK10 routing VXIbus 3 8 SMB CLK10 settings figure 3 11 VXIbus CLK10 routing figure 3 9 CLK10 signal MXIbus common questions D 3 setting 6 8 6 19 Close VXIlibrary fu...

Страница 125: ...XI System Controller 6 7 MXIbus System Controller 6 17 VMEbus System Controller 6 14 D Default Controller LA 1 6 5 default settings 1 9 PCI MXI 2 board Bus Configuration Editor table 1 11 Device Confi...

Страница 126: ...1 13 hardware See also PCI MXI 2 board VME MXI 2 module VXI MXI 2 module default settings table PCI MXI 2 board 1 9 VME MXI 2 module 1 13 VXI MXI 2 module 1 12 description 1 4 quick start installation...

Страница 127: ...7 6 17 MXI CLK10 signal See CLK10 signal MXIbus MXI System Controller 6 7 MXI transfer limit setting 6 8 MXI 2 1 3 MXIbus cable connections VME MXI 2 module 4 11 VXI MXI 2 module 3 19 MXIbus capabili...

Страница 128: ...XI transfer limit 6 8 MXI 2 auto retry 6 8 user window and driver window 6 9 user window size 6 9 PCI MXI 2 Configuration Editor default settings table 1 11 Load Configuration from File 6 2 overview 6...

Страница 129: ...ns D 2 testing your system D 2 VME device configuration 1 8 Resource Manager delay setting 6 4 Resource Manager Display 1 8 1 9 rugged cables D 3 S servant area size setting 6 5 shared memory See VXI...

Страница 130: ...mAlloc function caution 7 3 viOpenDefaultRM function 7 4 viPeekX function 7 3 viPokeX function 7 3 viUnmapAddress function 7 3 VME devices configuring 1 8 VMEbus capability codes VME MXI 2 module A 8...

Страница 131: ...on 1 5 VXIbus CLK10 routing 3 8 CLK10 generation figure 3 9 SMB CLK10 settings figure 3 9 3 11 VXIbus local bus 3 7 VXIbus logical address 3 3 See also logical address VXIbus Slot 0 non Slot 0 3 5 VXI...

Страница 132: ...address 3 3 VXIpeek function 7 3 VXIpoke function 7 3 vxitedit utility interacting with VXI VME devices 1 8 overview B 1 running 6 1 VME device configuration information 1 8 W Web support from Nationa...

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