National Instruments VXI-USB Bedienungsanleitung

INSTALLATION GUIDE

VXI-USB

This document describes how to set up and configure the VXI-USB

interface kit.

What You Need to Get Started

To set up and use the VXI-USB interface kit, you need the following items:

❑Computer running the Windows 2000 or Windows XP operating

system, with a USB 2.0 port or plug-in card (USB 2.0 plug-in cards

may not have the same level of performance as an integrated USB 2.0

port)

❑VXIbus mainframe

❑VXI-USB interface module that plugs directly into a VXI mainframe

❑USB 2.0-compliant cable

❑National Instruments software CD

❑The VXI-USB User Manual, which is in PDF format on the

software CD

Installing the Software

Use the Setup program that came with your NI-VXI/NI-VISA software to

install the entire software package or a software update, or to reinstall

software in the event that your files were accidentally erased. Some of the

utilities rely on the LabWindows™/CVI™Run-Time Engine. This software

is installed, if necessary, during the NI-VXI/NI-VISA installation.

Depending on the type of installation you choose, you may need up to

50 MB of free space on your hard drive to accommodate the NI-VXI and

NI-VISA software.

VXI-USB Installation Guide 2 ni.com

To be compliant with VXIplug&play specifications, a VXI controller must

provide the VISA I/O driver library standardized by VXIplug&play. VISA

ensures that your controller can run all VXIplug&play-compatible software

now and in the future.

The NI-VISA software in this kit is compatible with the WINNT/GWINNT

and WIN95/GWIN95 frameworks. With NI-VISA installed on your

computer, you can run any VXIplug&play software that is compatible with

these frameworks. This includes instrument drivers and executable soft

front panel software included with VXIplug&play-compatible instruments

from a variety of vendors.

Installing the NI-VXI and NI-VISA Software

This section describes how to install the NI-VXI and NI-VISA software.

Carefully read these directions along with any messages on the screen

before making your selections. You can quit the Setup program at any time

by clicking the Cancel button.

Caution To keep the manufacturer/model name tables or the VME device configuration

from a previous installation, be sure to back them up before starting Setup. They are in the

TBL subdirectory of your NI-VXI directory, usually Program Files\National

Instruments\VXI.

Setup is an interactive, self-guiding program that installs the NI-VXI and

NI-VISA software and configures your system to use the software with the

VXI-USB. Complete the following steps to perform the installation:

1. For the CD, select Start»Run and enter the following text, where

your CD drive (usually D):

:\setup.exe

Press <Enter>. Typically, this setup program runs automatically when

you insert the CD.

2. Click the Next button at the Welcome screen to start the installation

and accept the license agreement.

Note If you have a previous version of the NI-VXI software installed, Setup installs the

new version over the previous version.

©National Instruments Corporation 3 VXI-USB Installation Guide

3. Select the type of installation from the Installation Options screen.

•Typical setup installs runtime support and NI-VISA development

support.

•Complete setup installs everything including NI-VXI API

development support. For more information about the NI-VXI

API, refer to Chapter 3, Developing Your Application, in the

VXI-USB User Manual. The manual is in PDF format on the CD.

•Custom setup gives you more control over which driver

components you want installed on your system. This option is

recommended for advanced users.

4. Click the Next button. Confirm that you are ready to install and click

Next again to begin the installation.

5. Setup now copies the necessary files to your hard drive and creates

program icons.

Completing the Software Installation

Review the information in any README files that Setup prompts you to

read.

When the installation process completes, reboot the system for the changes

to take effect. If you backed up the manufacturer and model name files,

restore them to the TBL subdirectory of your NI-VXI directory before

running MAX.

Note If you save and restore the TBL files from an older version of NI-VXI, the software

will use TBL files that do not have the latest updates from National Instruments and may

not include recent hardware releases. If you added additional manufacturer or model names

to your TBL files, we recommend merging those changes with the latest updates included

with this version of NI-VXI, so that all your devices are properly identified.

Installing the Hardware

This section summarizes how to install your VXI-USB hardware. Your kit

contains a VXI-USB interface module.

Caution To guard against electrostatic discharge, touch the antistatic plastic packages to

an unpainted metal part of your computer or chassis before removing the boards from their

packages. Your computer or chassis should be plugged in but powered off.

Figure 1-1 shows a system that includes a USB 2.0-equipped computer, a

VXI-USB, and USB devices.

VXI-USB Installation Guide 4 ni.com

Figure 1-1. USB System

Installing Your VXI-USB Interface Module

All kits contain a VXI-USB interface module.

To install the VXI-USB in Slot 0 of your VXI chassis, complete the

following steps:

1. Power off the chassis.

2. Verify that the backplane connector is intact and that there are no bent

or missing pins on the module.

3. Insert the VXI-USB into the chassis in Slot 0, as shown in Figure 1-1.

4. Power on the chassis.

The VXI system controllers operate certain VXI lines as required for

VXI systems. Verify that any other VXI devices with system controller

capability that are in the same chassis are not configured as system

controller.

Caution Having more than one device configured as system controller can damage the

VXI system.

1 External Computer

2 Connections to Other USB Devices

3 VXI Mainframe

4 VXI-USB in Slot 0

5 USB Cables

bus

NATIONAL

INSTRUMENTS

©National Instruments Corporation 5 VXI-USB Installation Guide

For VXI systems that include VME devices, ensure that the VME devices

are not configured in the upper 16 KB (starting from 0xC000) of the A16

address space. This region is reserved for VXI device configuration

registers, which are used for initializing, configuring, and interacting with

VXI devices. The VXI-USB also uses this region for this purpose.

Note Also ensure that no VXI devices in your system are configured for logical address 0.

This is the VXI-USB logical address, which you cannot change.

Connecting Cables

Connect the USB cable to a USB connection in your host PC and to the

VXI-USB, as shown in Figure 1-1. You can use any available USB port on

the computer for each device. The VXI-USB has two external ports for

devices. You can connect any other USB devices to any available port on a

VXI-USB, but for best performance, minimize the number of USB

devices/hubs in the system. Adding to the number of devices in the tree

degrades system performance.

Note Your VXI-USB controller is a Hi-Speed USB device, which means it performs much

faster when connected to a Hi-Speed USB port as described in the USB 2.0 specification.

USB 2.0 ports are often integrated on the motherboard of current computers. National

Instruments recommends using an integrated USB 2.0 port, if available, for optimal

performance. Plug-in boards with USB 2.0 ports are also supported but may not provide

the highest performance. Full-speed (USB 1.x) ports are supported as well, but provide

much lower performance. The LINK light (refer to Chapter 1, Introduction, in the

VXI-USB User Manual) on the front panel of your VXI-USB controller indicates your

connection speed.

Software Configuration and Verification

To configure the software and verify the configuration, follow these steps:

1. Run MAX. You must run the Resource Manager (Resman) every time

the chassis or computer power is cycled, so that your application can

access devices in the VXI chassis. You can also configure MAX to run

Resman automatically at every computer startup by selecting

Tools»NI-VXI»VXI Options and selecting the appropriate checkbox.

2. You can also use MAX to interactively configure the National

Instruments hardware in your system. Use the right-click help for

information about the various configuration options. After you finish

configuring the system through MAX, verify the configuration

through the interactive control utility, VISAIC (Start»Programs»

National Instruments»VISA»VISA Interactive Control), as

described in Chapter 3, Developing Your Application, in the VXI-USB

User Manual.

National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation.

Refer to the Terms of Use section on ni.com/legal for more information about National

Instruments trademarks. Other product and company names mentioned herein are trademarks or trade

names of their respective companies. For patents covering National Instruments products, refer to the

appropriate location: Help»Patents in your software, the patents.txt file on your CD, or

ni.com/patents.

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