Summary of Contents for Keysight Technologies VXI bus 75000 C Series
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75000 Series C Configuration and User Guide Keysight E8491B IEEE 1394 PC Link to VXI...
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WITHOUT NOTICE, IN FUTURE EDI- without prior agreement and written con- www.keysight.com/find/E8491B TIONS. FURTHER, TO THE MAXIMUM sent from Keysight Technologies, Inc. as EXTENT PERMITTED BY APPLICABLE (product-specific information and sup- governed by United States and interna- LAW, KEYSIGHT DISCLAIMS ALL WAR- port, software and documentation tional copyright laws.
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If necessary, return instrument chassis and cover must be safe operating conditions, modules the product to a Keysight Technologies connected to an electrical ground to should not be operated beyond the full Sales and Service Office for service and minimize shock hazard.
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Safety Symbols A CAUTION denotes a hazard. It calls attention to an operating pro- cedure or practice, that, if not cor- rectly performed or adhered to could result in damage to the product or loss of important data. Do not proceed beyond a CAUTION notice until the indicated condi- tions are fully understood and met.
Contents 1 Introduction Using the IEEE 1394 Serial Bus in VXI Systems ......13 Component Overview ......... . 13 The Keysight E8491B PC Link to VXI Interconnect.
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Keysight E8491B Triggering ........49 Using Triggers .
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The vximanuf.cf Configuration File ......85 The vximodel.cf Configuration File ......86 Utility Function Overview .
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Keysight E8491B IEEE 1394 to VXI User Guide...
Keysight E8491B IEEE 1394 PC Link to VXI Configuration and User Guide Introduction Using the IEEE 1394 Serial Bus in VXI Systems The IEEE 1394 Serial Bus (FireWire) is a high-speed bus that has been implemented as an I/O interface between external PCs and Keysight VXI systems.
Introduction Using the IEEE 1394 Serial Bus in VXI Systems Using this Manual This manual is organized to help you install, configure, and begin using the IEEE 1394 serial bus as quickly and efficiently as possible. The following information outlines the contents of the other chapters, and identifies the areas of programming a VXI system that are NOT covered in this manual.
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Using the IEEE 1394 Serial Bus in VXI Systems Introduction Pop-up or pull-down menus displayed by the Keysight I/O Libraries software will show I/O Libraries as “I_O Libraries” and I/O Config as “I_O Config” because the “/” cannot be displayed. The “/”...
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Introduction Using the IEEE 1394 Serial Bus in VXI Systems Keysight E8491B IEEE 1394 PC Link to VXI User Guide...
Keysight E8491B IEEE 1394 PC Link to VXI Configuration and User Guide Interface Installation and Configuration Using this Chapter This chapter contains information necessary to install and configure the IEEE 1394 host adapter (if required) and the Keysight E8491B interconnect. The installation sequence and other topics covered in this chapter are as follows: Step 1: Installing the IEEE 1394 Host Adapter page 17...
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Interface Installation and Configuration Using this Chapter The layout of a typical host adapter is shown in Figure 2-1. 12 VDC Power Connector External IEEE 1394 Connectors Figure 2-1 Layout of a Typical OHCI-Compatible PCI-to-IEEE 1394 Host Adapter. Turn off and disconnect the power to your computer and to any peripheral devices before installing the host adapter.
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Using this Chapter Interface Installation and Configuration PCI expansion slots (usually white or ivory) shared slot Figure 2-2 Locating a PCI bus Expansion Slot. Many computer PCI systems have one pair of ISA and PCI slots close to each other. This saves space and allows you to install either an ISA card or a PCI card in the slot pair.
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Interface Installation and Configuration Using this Chapter 3 Remove the corresponding expansion slot cover from the computer chassis (Figure 2-3). expansion slot cover Figure 2-3 Removing the PC Expansion Slot Cover. Keysight E8491B IEEE 1394 PC Link to VXI User Guide...
Using this Chapter Interface Installation and Configuration 4 Align the bus contacts on the bottom of the host adapter with the PCI bus slot. Carefully, but firmly, press the adapter into the slot. Host Adapter Figure 2-4 Installing the Host Adapter. 5 Secure the host adapter bracket to the computer chassis with the screw from the expansion slot cover removed in step C.
Interface Installation and Configuration Using this Chapter Host Adapter Power In (From System 12V DC Power Supply) Power Connector Power Out (To Disk Drives) Figure 2-5 Connecting the Power Cable Between the PC and the Host Adapter. 7 Replace the computer cover. Connect one end of the interface cable to either adapter external connector.
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Using this Chapter Interface Installation and Configuration Refer to “Alternate Configurations” for information on using the E8491B with the Keysight E1406 Command Module and using it in VXI-MXI systems. 1 If power is applied to the VXI mainframe, remove power to the VXI mainframe and disconnect all power sources that may be applied to any instruments.
Interface Installation and Configuration Using this Chapter Connecting the E8491B to the Host Adapter 4 Connect the interface cable from the host adapter to E8491B port A, B, or C. The ports are identical and unused ports are available to connect additional E8491Bs and other IEEE 1394 devices in a daisy-chain or tree configuration (Figure 2-7).
Using this Chapter Interface Installation and Configuration If you want the E1406 to provide slot 0 functionality in addition to providing an GPIB interface, set its configuration as follows: 1 Set the E1406 logical address to a value other than 0. 2 Set the Slot 0 and System Controller switches to “Enable”...
Interface Installation and Configuration Using this Chapter Installing C-size Instruments Figure 2-8 shows the installation of C-size instruments. seat the module retaining pushing in the screws extraction levers extraction slide the module into the mainframe until it plugs into the backplane connectors Figure 2-8 Installing C-size Instruments.
Using this Chapter Interface Installation and Configuration Installing A- and B-size Instruments A- and B-size instruments can also be installed in the mainframe. These instruments are installed using a module carrier: – Keysight E1403C A/B-size Module Carrier extends the P1 connector on the VXIbus backplane and mounts the (A/B-size) modules flush with C-size modules.
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Interface Installation and Configuration Using this Chapter Figure 2-9 Installing A- and B-size VXI Instruments. Keysight E8491B IEEE 1394 PC Link to VXI User Guide...
Using this Chapter Interface Installation and Configuration Step 4: Installing the Keysight I/O Libraries The Keysight I/O Libraries CD contains the software required to use the IEEE 1394 interface in a VXI system. It also includes the OHCI-compatible host adapter drivers. Refer to Chapter 4: IEEE 1394 Fundamentals and Interface Overview for more information on the Keysight I/O Libraries and related software.
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Interface Installation and Configuration Using this Chapter Figure 2-10 The Keysight I/O Libraries Program Group. An alternative is to click on the Keysight icon in the lower right-hand corner of your monitor which is placed there following the installation of the I/O Libraries and configuring the E8491B.
Using this Chapter Interface Installation and Configuration The “Locate” button on the “E8491 VXI Board Configuration” screen can be used to help you identify and keep track of all the mainframes in a multi-mainframe system. Figure 2-12Editing the E8491B Configuration. 3 Figure 2-11 returns with the SICL Name and VISA Name inserted.
Interface Installation and Configuration Using this Chapter If you want to change the SICL interface name and number to something more descriptive, use the ‘SICL Interface Name’ field. You can change the VISA interface number using the up/down arrows next to the ‘VISA Interface Name’ field.
Using this Chapter Interface Installation and Configuration information on drivers, formatted I/O, memory and other attributes. Formatted I/O allows you to send a SCPI command to a device to confirm communication with the device or simply to set a command parameter or to query a device state. Run I/O Config Runs the I/O Config utility and brings up the “I/O Config - Interface Configuration Application”...
Interface Installation and Configuration Using this Chapter If you are updating an existing VXI system to use the E8491B and IEEE 1394 serial bus, we highly recommend that you obtain the latest version of the Keysight VXIplug&play drivers. Information on the latest drivers available can be found on the World Wide Web at http://www.Keysight.com/go/inst_drivers .
Using this Chapter Interface Installation and Configuration When the system hardware and software are properly installed and the PC is communicating with the mainframe, the soft front panel will be opened and a connection made to the instrument as shown in Figure 2-15. Green ‘Active’...
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Interface Installation and Configuration Using this Chapter will show the “VXI Current Configuration” with all devices it can communicate with listed in the “VXI Device Table”. 2 Click on Start >> Programs >> I_O Config to bring up the I/O Config window (Figure 2-11).
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Using this Chapter Interface Installation and Configuration 4 Perform steps 1, 2 and 3 in Figure 2-16. 1. Select Enable Advanced to activate the Advanced Settings controls. 2. Click Resource Manager to bring up the window below. 3. Click RM Output to view the resource manager output.
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Interface Installation and Configuration Using this Chapter Figure 2-17 is a partial listing of a typical resource manager output. Figure 2-17Typical Resource Manager Output (partial listing). Keysight E8491B IEEE 1394 PC Link to VXI User Guide...
Using this Chapter Interface Installation and Configuration Troubleshooting Installation Problems The following list of troubleshooting items may help you get your E8491B interface working properly if you have encountered problems verifying installation. 1 It is very important that you upgrade the PC BIOS to the latest version your PC manufacturer provides whether your PC is new or old.
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Interface Installation and Configuration Using this Chapter Keysight E8491B IEEE 1394 PC Link to VXI User Guide...
Keysight E8491B IEEE 1394 PC Link to VXI Configuration and User Guide VXI Programming Using the IEEE 1394 Serial Bus Using this Chapter This chapter contains examples and general information for programming VXI systems over the IEEE 1394 serial bus. The contents of the chapter include: Programming Register-Based and Message-Based VXI Instruments page 41...
VXI Programming Using the IEEE 1394 Serial Bus Using this Chapter Keysight VXIplug&play ViSession vi; // open device (VXIplug&play) session to the E1563 errStatus = hpe1563_init(“VXI0::24::INSTR”,VI_FALSE, VI_FALSE, &vi); Keysight VISA ViSession defaultRM, id; //open device (VISA) session to the Keysight E1563 viOpenDefaultRM (&defaultRM);...
Using this Chapter VXI Programming Using the IEEE 1394 Serial Bus Block Data Transfers VXIplug&play drivers for selected instruments contain functions that perform block transfers. You will need to consult the driver help file to determine if the driver for a particular instrument supports block transfers. The following Keysight VISA functions perform block transfers over the IEEE 1394 serial bus: viMoveIn8...
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VXI Programming Using the IEEE 1394 Serial Bus Using this Chapter void main(void) ViSession vi; ViStatus errStatus; ViInt16 rdgs[2000]; ViInt16 *dataPtr;// pointer to cast readings to 16-bit integers ViReal64 range;// range variable for reading conversions int i; long dataArrayLen=2000;// return 2,000 readings using // hpe1563_fetchAll_Q ViInt32 numRdgs;...
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Using this Chapter VXI Programming Using the IEEE 1394 Serial Bus // fetch readings from the digitizer's A24 space errStatus = hpe1563_fetchAll_Q(vi, dataArrayLen, (ViInt32 *)rdgs, &numRdgs ); // confirm readings transferred are valid by printing first 5 readings dataPtr = (ViInt16 *)rdgs; // query digitizer reading range errStatus = hpe1563_range_Q(vi, 1, &range);...
VXI Programming Using the IEEE 1394 Serial Bus Using this Chapter exit(1); return; Comments 1 The maximum block transfer size allowed by the E1563A hpe1563_fetchAll_Q function is 2,000 bytes. 2 This manual is included on the Keysight I_O Libraries CD. By viewing the manual from the CD, you can cut and paste this program into your development environment.
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Using this Chapter VXI Programming Using the IEEE 1394 Serial Bus hpe1563_error_message( vi, errStatus, err_message); printf("Unable to open %s\n", E1563); printf("hpe1563_init() returned error message %s\n", err_message); return; // enable digitizer error detection hpe1563_errorQueryDetect(vi, 1); // set a 5s timeout period to allow functions to complete errStatus = hpe1563_timeOut(vi, 5000);...
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VXI Programming Using the IEEE 1394 Serial Bus Using this Chapter // close the device session hpe1563_close(vi);// Keysight VXIplug&play session //************************************************************ // error checking routine void check (ViSession vi, ViStatus errStatus) ViInt32 inst_err; ViChar err_message[256]; if(VI_SUCCESS > errStatus) if(hpe1563_INSTR_ERROR_DETECTED == errStatus) /* query instrument error */ hpe1563_dcl(vi);/* send a device clear */ hpe1563_error_query(vi, &inst_err, err_message);...
Using this Chapter VXI Programming Using the IEEE 1394 Serial Bus Comments 1 A single instrument session opened with the hpe1563_init function can be used by both Keysight VXIplug&play driver function calls and by Keysight VISA function (i.e viMoveIn32) calls. 2 This manual is included on the Keysight I_O Libraries CD.
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VXI Programming Using the IEEE 1394 Serial Bus Using this Chapter Asserting Triggers - Keysight VISA viSetAttribute VI_ATTR_TRIG_ID VI_TRIG_TTL0 to VI_TRIG_TTL7 VI_TRIG_ECL0 to VI_TRIG_ECL1 viAssertTrigger VI_TRIG_PROT_DEFAULT Asserting Triggers - Keysight SICL ivxitrigoff ivxitrigon ixtrig I_TRIG_ALL I_TRIG_TTL0 to I_TRIG_TTL7 I_TRIG_ECL0 to I_TRIG_ECL1 I_TRIG_EXT0 (specifies faceplate ‘Trig Out’...
Using this Chapter VXI Programming Using the IEEE 1394 Serial Bus Configuring the E8491B Trig In and Trig Out Ports Configuration of the E8491B external ‘Trig In’ and ‘Trig Out’ ports is done through the Keysight I/O Libraries’ ‘I/O Config’ utility. This portion of the utility is shown in the following figure.
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VXI Programming Using the IEEE 1394 Serial Bus Using this Chapter #include "sicl.h" #include <stdio.h> #include <stdlib.h> // project files: trigsicl.cpp, sicl32.lib void main(void) INST e8491; // E8491 SICL handle INST e1412; // E1412 SICL handle short i; double dcv_rdgs[10]; // install SICL error handler ionerror(I_ERROR_EXIT);...
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Using this Chapter VXI Programming Using the IEEE 1394 Serial Bus // fetch the readings once the trigger is received ipromptf(e1412, "FETC?\n", "%,10lf", dcv_rdgs); // display the readings for (i=0; i<10; i++) printf("%lf\n", dcv_rdgs[i]); // close the device sessions iclose(e8491);// close SICL interface session iclose(e1412);// close SICL device session Comments 1 For demonstation purposes, the trigger signal output from the ‘Trig Out’...
VXI Programming Using the IEEE 1394 Serial Bus Using this Chapter Trigger Pull Up Trigger signals output from the E8491B ‘Trig Out’ port can be “pulled up” to +30V as shown in Figure 3-2. + V = Pull Up Voltag e (+ 30 V M ax) E8 491B "...
Using this Chapter VXI Programming Using the IEEE 1394 Serial Bus Locating E8491B Shared Memory In order to use the E8491B shared memory, you must first locate the starting address of the memory as mapped by the resource manager (see “Running the Resource Manager”...
VXI Programming Using the IEEE 1394 Serial Bus Using this Chapter tarting address of E8491B shared memory (hexadecimal) Figure 3-3 Partial Listing of Resource Manager Output Showing Shared Memory Mapping. Example Programs The following examples show an application using the E8491B’s shared memory. In the program, 8,000 readings are taken with the Keysight E1410 multimeter.
Using this Chapter VXI Programming Using the IEEE 1394 Serial Bus Readings are taken and transferred from the instrument to E8491B shared memory over the VXI backplane. Readings are transferred in blocks from shared memory Figure 3-4 Storing Readings in Shared Memory. Storing Readings in Shared Memory - Keysight VISA Example This example uses the E1410 VXIplug&play driver to configure the multimeter, take the readings, and store them in E8491B shared memory.
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VXI Programming Using the IEEE 1394 Serial Bus Using this Chapter // set up byte swap function for readings transferred from // E8491B shared memory to the PC #define SWAP_FLOAT64(rdgs) { unsigned char src[8]; *((double *)src) = *((double *)rdgs); ((unsigned char *) (rdgs))[0] = ((unsigned char*) (src))[7]; \ ((unsigned char *) (rdgs))[1] = ((unsigned char*) (src))[6];...
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Using this Chapter VXI Programming Using the IEEE 1394 Serial Bus // turn off autorange, set a 30V DCV range errStatus = hpe1410_voltDcRang(vi, 0, 30); check(vi, errStatus); // set a 10 us aperture time errStatus = hpe1410_voltDcAper(vi, 10.0e-6); check(vi, errStatus); // set 8000 readings errStatus = hpe1410_sampCoun(vi, 8000);...
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VXI Programming Using the IEEE 1394 Serial Bus Using this Chapter //********************************************************** // error checking routine void check (ViSession vi, ViStatus errStatus) ViInt32 inst_err; ViChar err_message[256]; if(VI_SUCCESS > errStatus) if(INSTR_ERROR == errStatus) // query instrument error hpe1410_dcl(vi);// send a device clear hpe1410_error_query(vi, &inst_err, err_message);...
Using this Chapter VXI Programming Using the IEEE 1394 Serial Bus reading. Depending on the storage formats of your particular instruments, swapping may not be necessary. 2 2. This manual is included on the Keysight I/O Libraries CD. By viewing the manual from the CD, you can cut and paste this program into your development environment.
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VXI Programming Using the IEEE 1394 Serial Bus Using this Chapter // open a (SICL) interface session to the E8491B // open a (SICL) device session to the E1410 e8491 = iopen("vxi"); e1410 = iopen("vxi,24"); // read the VXI resource manager information in order to determine // the E8491B shared memory starting address ivxirminfo(e8491, 0, &info);...
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Using this Chapter VXI Programming Using the IEEE 1394 Serial Bus iblockmovex(e8491, map, 0, 8, 1, 0, (unsigned long) rdgs, 8, 1, 64000, 0); // swap the bytes once they are transferred from shared memory for (i=0;i<7999;i++) SWAP_FLOAT64(&rdgs[i]); // print some readings to verify the transfer was successful for (i=0;...
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VXI Programming Using the IEEE 1394 Serial Bus Using this Chapter Keysight E8491B IEEE 1394 PC Link to VXI User Guide...
Keysight E8491B IEEE 1394 PC Link to VXI Configuration and User Guide IEEE 1394 Fundamentals and Interface Overview Using this Chapter This chapter contains reference information on the IEEE 1394 Serial Bus, the data transfer protocol, and on the related hardware. The contents of the chapter include: IEEE 1394 Topology and Terminology page 66...
IEEE 1394 Fundamentals and Interface Overview Using this Chapter IEEE 1394 Topology and Terminology Optimizing the IEEE 1394 bus must include an understanding of the topology and terms associated with its use. Figure 4-1 shows a VXI system consisting of a PC and three VXI mainframes - interconnected with the IEEE 1394 bus.
Using this Chapter IEEE 1394 Fundamentals and Interface Overview Table 0-2. Definition of Terms. Host Adapter Links the computer’s PCI bus to the IEEE 1394 interface. To use a host adapter, computers must be PCI Rev. 2.0 compliant. E8491B Links the IEEE 1394 interface to the VXI backplane. Provides the backplane’s 1394-to-VXI clock and trigger resources.
IEEE 1394 Fundamentals and Interface Overview Using this Chapter Optimizing the Configuration I/O performance is impacted slightly by the hardware configuration.The VXI mainframe closest to the PC (root node) has the highest priority. For example, if instruments in VXI mainframes 1 and 3 (Figure 4-1) contend for the bus at the same time, the root node will grant mainframe 1 access to the bus first.
Using this Chapter IEEE 1394 Fundamentals and Interface Overview IEEE 1394 Data Transfer Protocol Data transfer over the IEEE 1394 bus can be either asynchronous or isochronous . Keysight’s IEEE 1394 based VXI systems use asynchronous data transfers and a “fair arbitration” protocol to ensure each VXI mainframe has equal access to the bus.
IEEE 1394 Fundamentals and Interface Overview Using this Chapter Asynchronous Data Transfers During an asynchronous data transfer, a variable amount of data is transferred to an explicit address in real time, and an acknowledgement is returned. Data is transferred across the IEEE 1394 bus in packets called “subactions.” An asynchronous subaction is made up of three parts: –...
Using this Chapter IEEE 1394 Fundamentals and Interface Overview fairness interval and with each packet, rather than with each byte or word transferred. Thus, transfer speeds (bits/second) over the IEEE 1394 bus increase as the amount of data transferred (block size) increases. OHCI-Compatible Host Adapter and Interface Cable The OHCI-compatible PCI-to-IEEE 1394 host adapter is a PC plug-in card capable of transferring data at up to 400 MBits/second.
IEEE 1394 Fundamentals and Interface Overview Using this Chapter shields signal pair wires connector PIN # COMMENT 6.1 mm cable power cable ground strobe on receive, data on transmit data on receive, strobe on transmit power wires Figure 4-4 Cross-section of the IEEE 1394 Cable. The power wires route power from the host adapter to devices (nodes) on the bus, whether the devices are turned on or off.
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Using this Chapter IEEE 1394 Fundamentals and Interface Overview Annunciators Failed - a hardware failure was detected in the HP E8491B, or the E8491B is performing a Failed IEEE self-test. 1394 IEEE-1394 - indicates data traffic SYSFAIL over the IEEE 1394 bus IEEE 1394 Ports SYSFAIL - asserted during a VXI instrument self-test.
IEEE 1394 Fundamentals and Interface Overview Using this Chapter Using the Keysight E8491B with the Keysight E1406 Command Module Though not a common configuration, the E1406 command module can be used in the same mainframe as the E8491 to provide GPIB access to instruments. In this configuration, however, the E8491B must be the mainframe’s resource manager.
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Using this Chapter IEEE 1394 Fundamentals and Interface Overview Keysight E8491B IEEE 1394 PC Link to VXI User Guide...
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IEEE 1394 Fundamentals and Interface Overview Using this Chapter Keysight E8491B IEEE 1394 PC Link to VXI User Guide...
Keysight E8491B IEEE 1394 PC Link to VXI Configuration and User Guide Specifications The following specifications define the operating and performance characteristics of the Keysight E8491B. Interface Characteristics Operating System Windows 95 Windows NT Controllers PC based I/O Library SICL / VISA Backplane Interface IEEE 1394...
Specifications Maximum Rate 2 MHz Minimum Pulse Width 200 ns External Trigger Output Connector SMB (on faceplate) Levels nominal pull up to + 5V Maximum External Pull Up + 30V Sink Current 10 mA @ V < 0.4V or 150 mA @ V <...
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Specifications Keysight E8491B IEEE 1394 PC Link to VXI User Guide...
Keysight E8491B IEEE 1394 PC Link to VXI Configuration and User Guide Editing the Keysight E8491B Resource Manager Configuration Introduction The resource manager functionality provided through the Keysight E8491B configures your VXI system based on rules specified by the VXI standard. The configuration can be viewed or modified through the configuration files and utility f unctions outlined in this appendix.
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Editing the Keysight E8491B Resource Manager Configuration Introduction 1. From the I_O Libraries program group, click I_O 2. Select the configured E8491B interface and then click Edit. This brings up the window (partial view) in Figure Figure B-1 Editing Configuration Files from the ‘I/O Config’ Utility. Keysight E8491B IEEE 1394 PC Link to VXI User Guide...
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Introduction Editing the Keysight E8491B Resource Manager Configuration 3. Check Enable Advanced and then click Resource Manager... 4. Select the portion of the configuration to edit and then Figure B-2 Editing Configuration Files from the ‘I/O Config’ Utility (cont’d). Keysight E8491B IEEE 1394 PC Link to VXI User Guide...
Editing the Keysight E8491B Resource Manager Configuration Introduction The names.cf Configuration File The names.cf file is a database that contains a list of symbolic names to assign VXI devices that have been configured. The ivxirm utility reads the model id number from the VXI device and the ivxisc utility uses that information and this file to print out the VXI device symbolic name.
Introduction Editing the Keysight E8491B Resource Manager Configuration The dynamic.cf Configuration File The dynamic.cf file contains a list of VXI devices to be dynamically configured. You only need to add entries to this file if you want to override the default dynamic configuration assignment by the resource manager.
Editing the Keysight E8491B Resource Manager Configuration Introduction The vximodel.cf Configuration File The vximodel.cf file contains a database that lists a cross reference of manufacturer id, model id, and VXI device names. The ivxirm utility reads the model id number from the VXI device and the ivxisc utility uses that information and this file to print out the VXI device model.
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Introduction Editing the Keysight E8491B Resource Manager Configuration Figure B-3 Output of ivxisc. Keysight E8491B IEEE 1394 PC Link to VXI User Guide...
Editing the Keysight E8491B Resource Manager Configuration Introduction Figure B-4 Output of ivxisc (cont’d). Using iclear The iclear function is used to clear the interface (E8491B) or individual message-based instruments in the VXI mainframe. iclear is executed from the DOS command prompt (..\siclnt\bin or \sicl95\bin directory) as: iclear <SICL interface name, [logical address]>...
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