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Contents
HP E8491A IEEE 1394 PC Link to VXI Configuration and User’s Guide
Edition 1
Safety Symbols ............................................................................................................. 6
WARNINGS................................................................................................................. 6
Declaration of Conformity............................................................................................ 7
Reader Comment Sheet .......................
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Chapter 3 VXI Programming Using the IEEE 1394 Serial Bus ................................................ 35 Using this Chapter ...................................................................................................... 35 Programming Register-Based and Message-Based VXI Instruments ................. 35 Opening Instrument Sessions .............................................................................. 35 Optimizing Programs ......................................................
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Appendix B Editing the HP E8491A Resource Manager Configuration ..................................... 69 Introduction................................................................................................................. 69 Configuration File Overview .............................................................................. 69 The names.cf Configuration File .................................................................. 72 The oride.cf Configuration File ......................
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4 Contents
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HEWLETT-PACKARD WARRANTY STATEMENT HP E8491A I E E E 1394 PC LINK to VXI HP PRODUCT: DURATION OF WARRANTY: 3 years 1. HP warrants HP hardware, accessories and supplies against defects in materials and workmanship for the period specified above. If HP receives notice of such defects during the warranty period, HP will, at its option, either repair or replace products which prove to be defective. Replacement products may be either new or like-new. 2. HP warrants that HP software w
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Documentation History All Editions and Updates of this manual and their creation date are listed below. The first Edition of the manual is Edition 1. The Edition number increments by 1 whenever the manual is revised. Updates, which are issued between Editions, contain replacement pages to correct or add additional information to the current Edition of the manual. Whenever a new Edition is created, it will contain all of the Update information for the previous Edition. Each new Edition or Upda
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Declaration of Conformity according to ISO/IEC Guide 22 and EN 45014 Manufacturer’s Name: Hewlett-Packard Company Loveland Manufacturing Center Manufacturer’s Address: 815 14th Street S.W. Loveland, Colorado 80537 declares, that the product: Product Name: IEEE 1394 PC Link to VXI Model Number: HP E8491A Product Options: All conforms to the following Product Specifications: Safety: IEC 1010-1 (1990) Incl. Amend 1 (1992)/EN61010-1 (1993) CSA C22.2 #1010.1 (1992) UL 3111-1 (1994) EMC: CISPR 11:1990
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Notes: 8
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Please fold and tape for mailing Reader Comment Sheet HP E8491A IEEE 1394 PC Link to VXI Configuration and User’s Guide Edition 1 You can help us improve our manuals by sharing your comments and suggestions. In appreciation of your time, we will enter you in a quarterly drawing for a Hewlett-Packard Palmtop Personal Computer (U.S. government employees are not eligible for the drawing). Your Name City, State/Province Company Name Country Job Title Zip/Postal Code Address Telephone Number with A
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Chapter 1 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 HP VXI systems. The bus links the PC backplane to the VXI mainframe backplane. This manual describes the implementation, configuration, and use of this interface. Component Implementation of the IEEE 1394 serial bus as an I/O interface for HP VXI systems is provided through three components: Overv
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Chapter 3: VXI This chapter contains the information necessary to begin communicating with VXI instruments through the HP E8491A and IEEE 1394 serial bus. Programming Using the The chapter contains information on optimizing system performance using IEEE 1394 Serial Bus block data transfers, and also covers triggering and using HP E8491A shared memory. Chapter 4: IEEE 1394 This chapter describes the IEEE 1394 serial bus and how it is implemented in HP VXI systems. It defines the bus terminol
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Chapter 2 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 HP E8491A interconnect. The installation sequence and other topics covered in this chapter are as follows: • Step 1: Installing the IEEE 1394 Host Adapter . . . . . . . . . . 13 • Step 2: Installing the HP E8491A Interconnect . . . . . . . . . . 18 • Step 3: Installing VXI Instruments . . . . . . . . . . . .
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12 VDC power connector Internal IEEE 1394 connector External IEEE 1394 connectors ® Figure 2-1. Layout of the Adaptec AHA-8940 1394-to-PCI Host Adapter. WARNING Turn off and disconnect the power to your computer and to any peripheral devices before installing the host adapter. A. Remove the computer chassis cover to expose the expansion slots and external access covers. B. Locate an unused, unobstructed PCI bus expansion slot (Figure 2-2) that supports bus mastering. (PCI bus slots are usuall
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PCI expansion slots (usually white or ivory) shared slot Figure 2-2. Locating a PCI bus Expansion Slot. Note 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. C. 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. Chapter 2 Interface Installation and Configuration
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D. 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. E. Secure the host adapter bracket to the computer chassis with the screw from the expansion slot cover removed in step C. Connecting the Power Cable F. Connect the power cable between the adapter and the PC as shown in Figure 2-5. This provides power from the adapter to devices along the interface via
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power in (from system power supply) power out (to disk drives) host adapter 12V DC power connector Figure 2-5. Connecting the Power Cable Between the PC and the Host Adapter. G. Replace the computer cover. Connect one end of the interface cable to either of the adapter’s external connectors. You can now turn on the PC. Note When power is applied, Windows 95 operating systems may detect the ® Adaptec card and indicate that it cannot locate an associated .inf file. Ignore this message as the .
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Note Refer to “Alternate Configurations” for information on using the E8491A with the HP E1406 Command Module and using it in VXI-MXI systems. A. If turned on, turn off the VXI mainframe and disconnect all power sources that may be applied to any instruments. B. Insert the E8491A into mainframe slot 0 by aligning the module with the guides inside the mainframe (Figure 2-6). Slowly push the module into the slot until it seats in the backplane connectors. It may be necessary to pull out (not
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C. Tighten the retaining screws on the top and bottom of the module. Connecting the HP E8491A to the Host Adapter D. Connect the interface cable from the host adapter to E8491A port A, B, or C. The ports are identical and unused ports are available to connect additional E8491As and other IEEE 1394 devices in a daisy-chain or tree configuration (Figure 2-7). Notice that there can be no closed loops. DAISY-CHAIN CONFIGURATION TREE CONFIGURATION PC PC VXI VXI VXI VXI VXI VXI * VXI A second c
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If you want the E1406 to provide slot 0 functionality in addition to providing an HP-IB 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” (default). 3. Set the CLK 10 source to “Internal” (default). 4. Set the VME BTO Disable switch to 0 - Enable (default). Set VME Bus Timeout (BTO) on the E8491A to ‘Off’ (see “Editing the HP E8491A Configuration” later in this chapter). 5. Set th
