National Instruments Network Card NI PXI 7811R User Manual

Getting Started with the

NI PXI-7811R

This document explains how to set up the National Instruments PXI-7811R

device.

Introduction

The PXI-7811R is an R Series reconfigurable I/O (RIO) device with

160 digital I/O (DIO) lines.

Traditional digital I/O devices have a fixed functionality provided by an

application-specific integrated circuit (ASIC), but the PXI-7811R has a

field-programmable gate array (FPGA) that allows you to define device

functionality and timing.

You can use the LabVIEW FPGA Module to graphically design the

PXI-7811R timing and functionality without having to learn a low-level

programming language or a hardware description language (HDL)

traditionally used for FPGA design. With the LabVIEW FPGA Module,

you create or download a custom virtual instrument (VI) to the FPGA.

You can reconfigure the PXI-7811R device with a new VI at any time.

You can use the LabVIEW Real-Time Module to communicate and control

the PXI-7811R device while performing additional tasks, such as real-time

floating-point processing and data logging.

Note If you are using LabVIEW but not the LabVIEW FPGA Module, you can create VIs

that run in LabVIEW to control existing FPGA VIs, but you cannot create new FPGAVIs.

The PXI-7811R device has Flash memory that you can use to store VIs.

You can configure VIs to load to the FPGA and to run when the device

powers up.

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–

LabVIEW FPGA Module 1.1 or later—required to develop

custom FPGA VIs for the PXI-7811R device

NI-RIO 1.1 or later—included with the PXI-7811R

❑ PXI/CompactPCI chassis and real-time PXI controller

❑ One of the following host computers, depending upon your

application, running Windows 2000/XP:

–

Laptop computer

PXI/CompactPCI embedded controller

❑ At least one cable and device for connecting signals to the PXI-7811R

❑ CAT 5 Ethernet crossover cable if the real-time PXI system is not

configured on a network. To connect the PXI system to a network port,

use a standard CAT 5 10/100Base-T Ethernet cable.

Installing Software

The following instructions describe how to install the NI-RIO device

drivers and LabVIEW.

Installing LabVIEW, the LabVIEW Real-Time Module for ETS, and the

LabVIEW FPGA Module

Use the following sequence when installing LabVIEW, the LabVIEW

Real-Time Module for ETS, and the LabVIEW FPGA Module. For more

detailed information about software requirements, refer to the LabVIEW

FPGA Release Notes.

If you are using NI-RIO without LabVIEW, skip these steps and complete

the steps in the Installing NI-RIO Device Drivers section.

Note You must install LabVIEW 7.0 or later and the LabVIEW modules you will be using

with the NI 7811R before installing the NI-RIO device drivers. For LabVIEW installation

instructions, refer to the LabVIEW Release Notes.

1. Install LabVIEW for Windows from the LabVIEW CD.

2. Install the LabVIEW Real-Time Module for ETS from the LabVIEW

Real-Time CD.

3. Install LabVIEW FPGA from the LabVIEW FPGA CD.

4. Install the NI-RIO device drivers. Refer to the Installing NI-RIO

Device Drivers section for driver installation instructions.

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Installing NI-RIO Device Drivers

Complete the following steps to install the NI-RIO device drivers that are

included with the PXI-7811R device. If you are using LabVIEW, complete

the installation instructions in the Installing LabVIEW, the LabVIEW

Real-Time Module for ETS, and the LabVIEW FPGA Module section

before installing the NI-RIO device drivers.

1. Run setup.exe from the NI-RIO CD and follow the setup

instructions.

2. Follow the onscreen instructions until the Feature Tree window

appears.

3. In the Feature Tree window, select the components to install. You must

install NI-VISA, NI-RIO, and NI Measurement & Automation

Explorer (MAX).

4. Follow the onscreen instructions to complete the driver installation.

5. Reboot your computer.

Installing Hardware

This section describes how to unpack and install the PXI-7811R device.

You can install the PXI-7811R in any available peripheral slot in the PXI

or CompactPCI chassis.

Note You must install the NI-RIO device drivers before installing the PXI-7811R device.

Unpacking

The PXI-7811R device ships in an antistatic package to prevent

electrostatic discharge from damaging device components. To prevent such

damage when handling the device, take the following precautions:

•

Ground yourself using a grounding strap or by holding a grounded

object, such as your computer chassis.

•

Touch the antistatic package to a metal part of the computer chassis

before removing the devices from the package.

Caution Never touch the exposed pins of connectors.

Remove the devices from the package and inspect the devices for loose

components or any other sign of damage. Notify NI if the devices appear

damaged in any way. Do not install damaged devices into the computer.

Store the PXI-7811R in the antistatic envelope when not in use.

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Installation

You can install the PXI-7811R in any available peripheral slot in the PXI

or CompactPCI chassis. Complete the following steps to install the

PXI-7811R device.

Note You must install the software before installing the hardware. For software

installation instructions, refer to the Installing Software section.

1. Power off and unplug the PXI or CompactPCI chassis.

2. Make sure there are no lit LEDs on the chassis. Wait for any lit LEDs

to go out before continuing the installation.

3. Remove the filler panel for the peripheral slot.

4. Ground yourself using a grounding strap or by touching a grounded

object, such as the PXI or CompactPCI chassis.

5. Insert the PXI-7811R into the slot. Use the injector/ejector handle to

fully inject the PXI-7811R into place.

6. Screw the front panel of the PXI-7811R to the front panel mounting

rails of the chassis.

7. Visually verify the installation. Make sure the PXI-7811R is not

touching other devices or components and that the PXI-7811R is

fully inserted into the slot.

8. Plug in and power on the PXI or CompactPCI chassis.

Connecting Signals

The PXI-7811R has four DIO connectors with 40 DIO lines per DIO

connector.

Figure 1 shows the I/O connector locations for the PXI-7811R. The

I/O connectors are numbered starting at zero.

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NI PXI-7811R

Reconfigurable I/ O

Figure 1. PXI-7811R Connector Locations

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Figure 2 shows the pin assignments for all I/O connectors on the

PXI-7811R.

34 68

DIO38

DIO39

DIO37

DIO35

DIO33

DIO31

DIO29

DIO27

DIO26

DIO25

DIO24

DIO23

DIO22

DIO21

DIO20

DIO19

DIO18

DIO17

DIO36 33 67

DIO34 32 66

31 65

30 64

DIO32

DIO30

DIO28 29 63

+5V 28 62

+5V 27 61

DGND 26 60

DGND

DGND 24 58

25 59

23 57

22 56

21 55

DGND

DGND 20 54

19 53

DGND

DGND 18 52

DGND 17 51

DIO16

16 50

15 49

DGND

DIO15

DIO14

DGND 14 48

DGND 13 47

DGND 12 46

DGND 11 45

DGND 10 44

DIO13

DIO12

DIO11

DIO10

DIO9

DIO8

DIO7

DIO6

DIO5

DIO4

DIO3

DIO2

DIO1

DIO0

DGND

Figure 2. PXI-7811R I/O Connector Pin Assignments

Caution Connections that exceed any of the maximum ratings of input or output signals

on the PXI-7811R can damage the PXI-7811R and the computer. NI is not liable for any

damage resulting from such signal connections. Refer to the PXI-7811R User Manual for

the maximum input ratings for each signal.

For detailed information about connecting I/O signals, refer to the

NI 7811R User Manual.

Cabling Options

Accessing the signals on the I/O connectors requires at least one cable and

one signal accessory. Table 1 summarizes the National Instruments cables

available for use with the NI 7811R device.

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Table 1. Cabling Options

Description

Cable

SH68-C68-S

For connecting signals from the DIO connector to the NI SCB-68 terminal

block.

NSC68-5050

For direct connection of the NI 7811R and SSR backplanes.

Routes signals to connectors that attach directly to SSR backplanes.

Documentation Resources

Refer to the following documentation for information about the

LabVIEW FPGA Module, R Series hardware, and VIs necessary for your

application.

•

LabVIEW FPGA Module Release Notes—describes the software

installation and other known software issues

•

LabVIEW FPGA Module User Manual—describes the LabVIEW

FPGA Module software and techniques for building applications in

LabVIEW with the LabVIEW FPGA Module

•

PXI-7811R User Manual—describes the electrical and mechanical

aspects of the PXI-7811R device and contains information concerning

its operation and programming

•

LabVIEW Help—describes the VIs and function reference information

CompactRIO R Series Expansion System Installation

Instructions—describes how to install the CompactRIO R Series

Expansion chassis and CompactRIO I/O modules

Where to Go from Here

Refer to the LabVIEW FPGA Module Release Notes for information about

getting started with LabVIEW FPGA VIs and host VIs. This document also

provides examples for verifying that your software and hardware are

properly installed. To access this document, select Start»Programs»

National Instruments»LabVIEW»Module Documents.

CompactRIO™, LabVIEW™, MXI™, National Instruments™, NI™, ni.com™, and NI-VISA™ are

trademarks of National Instruments Corporation. 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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