National Instruments NI-7931 Manuale utente

NI-7931

GETTING STARTED GUIDE

NI-7932R

Controller for FlexRIO™

This document describes how to begin using the NI-7932R.

Figure 1. NI-7932R

Related Information

For information about the device specifications, refer to the NI-7932R Specifications at

ni.com/manuals.

Contents

FlexRIO Documentation........................................................................................................... 2

Safety Guidelines...................................................................................................................... 3

Electromagnetic Compatibility Guidelines...............................................................................4

Verifying the System Requirements..........................................................................................4

What You Need to Get Started..................................................................................................5

Unpacking the Kit..................................................................................................................... 5

Preparing the Environment....................................................................................................... 6

Wiring Power to the NI-7932R................................................................................................. 6

Powering on the NI-7932R....................................................................................................... 7

STATUS LED....................................................................................................................7

Connecting the NI-7932R to the Host Computer......................................................................8

Installing the FlexRIO Adapter Module................................................................................... 8

Configuring the System in Measurement & Automation Explorer (MAX)............................. 9

Setting a System Password............................................................................................. 10

Installing Software on the NI-7932R...................................................................................... 10

Adding the NI-7932R to a LabVIEW Project.........................................................................11

Adding a FlexRIO Adapter Module to the Target...........................................................11

Programming Options............................................................................................................. 12

Programming with LabVIEW.........................................................................................12

Text-based Programming................................................................................................ 12

Removing the Adapter Module...............................................................................................12

Troubleshooting the NI-7932R............................................................................................... 12

Why Can't the NI-7932R Communicate with the Network?.......................................... 13

Why Doesn't the Device Appear in MAX?.....................................................................13

Appendix: Front Panel............................................................................................................ 14

NI-7932R Front Panel.....................................................................................................14

Worldwide Support and Services............................................................................................ 16

Where to Go Next................................................................................................................... 17

FlexRIO Documentation

Table 1. FlexRIO Documentation Locations and Descriptions

Document Location Description

Getting started guide

for your controller for

FlexRIO

Available from the Start menu

and at ni.com/manuals.

Contains installation instructions

for your FlexRIO system.

Specifications

document for your

controller for

FlexRIO

Available from the Start menu

and at ni.com/manuals.

Contains specifications for your

controller for FlexRIO.

Getting started guide

for your adapter

module

Available from the Start menu

and at ni.com/manuals.

Contains signal information,

examples, and CLIP details for

your adapter module.

Specifications

document for your

adapter module

Available from the Start menu

and at ni.com/manuals.

Contains specifications for your

adapter module.

LabVIEW FPGA

Module Help

Embedded in LabVIEW Help

and at ni.com/manuals.

Contains information about the

basic functionality of the

LabVIEW FPGA Module.

2| ni.com | NI-7932R Getting Started Guide

Table 1. FlexRIO Documentation Locations and Descriptions (Continued)

Document Location Description

Real-Time Module

Help

Embedded in LabVIEW Help

and at ni.com/manuals.

Contains information about real-

time programming concepts, step-

by-step instructions for using

LabVIEW with the Real-Time

Module, reference information

about Real-Time Module VIs and

functions, and information about

LabVIEW features on real-time

operating systems.

FlexRIO Help Available from the Start menu

and at ni.com/manuals.

Contains information about the

FPGA module front panel

connectors and I/O, controller for

FlexRIO front panel connectors

and I/O, programming

instructions, and adapter module

component-level IP (CLIP).

FlexRIO Adapter

Module Development

Kit User Manual

Available from the Start menu at

Start»All Programs»National

Instruments»NI FlexRIO»NI

FlexRIO Adapter Module

Development Kit»

Documentation.

Contains information about how

to create custom adapter modules

for use with FlexRIO FPGA

modules.

LabVIEW Examples Available in NI Example Finder.

In LabVIEW, click Help»Find

Examples»Hardware Input

and Output»FlexRIO.

Contains examples of how to run

FPGA VIs and Host VIs on your

device.

IPNet Located at ni.com/ipnet. Contains LabVIEW FPGA

functions and intellectual property

to share.

FlexRIO product

page

Located at ni.com/flexrio. Contains product information and

data sheets for FlexRIO devices.

Safety Guidelines

Caution You can impair the protection provided by the NI-7932R if you use it in a

manner not described in this document.

NI-7932R Getting Started Guide | © National Instruments | 3

Electromagnetic Compatibility Guidelines

This product was tested and complies with the regulatory requirements and limits for

electromagnetic compatibility (EMC) stated in the product specifications. These requirements

and limits provide reasonable protection against harmful interference when the product is

operated in the intended operational electromagnetic environment.

This product is intended for use in industrial locations. However, harmful interference may

occur in some installations, when the product is connected to a peripheral device or test object,

or if the product is used in residential or commercial areas. To minimize interference with

radio and television reception and prevent unacceptable performance degradation, install and

use this product in strict accordance with the instructions in the product documentation.

Furthermore, any changes or modifications to the product not expressly approved by National

Instruments could void your authority to operate it under your local regulatory rules.

Caution To ensure the specified EMC performance, operate this product only with

shielded cables and accessories. The DC power input cables and optical SFP+ cables

may be unshielded.

Caution To ensure the specified EMC performance, you must use an isolated cable

with the SFP+ ports.

Caution To ensure the specified EMC performance, the length of any cable

connected to the TRIG ports and REF CLK ports must be no longer than 3 m (10 ft).

The length of copper cables connected to the SFP+ ports must be no longer than 3 m

(10 ft). The length of cables connected to the USB device ports or host ports must be

no longer than 30 m (100 ft). The lengths of Ethernet cables and optical SFP+ cables

are not limited.

Caution The USB device port is intended only for use in device configuration,

application deployment, debug, and maintenance.

Verifying the System Requirements

To use the NI-7932R, your system must meet certain requirements. For more information

about minimum system requirements, recommended system, and supported application

development environments (ADEs), refer to the readme, which is available on the software

media or online at ni.com/updates.

4| ni.com | NI-7932R Getting Started Guide

What You Need to Get Started

• The NI-7932R shipping kit, which includes the following components:

– The NI-7932R device

– FlexRIO Support DVD

Note FlexRIO Support 15.1 is the earliest supported driver for the

NI-7932R.

–NI-7932R Getting Started Guide (this document)

– Power screw terminal connector plug

– A to Mini-B device port USB cable

• A host computer running Windows, with NI software installed in the following order:

Note Visit ni.com/info and enter the Info Code rdsoftwareversion to

determine which software versions you need to use the NI-7932R and

supported FlexRIO adapter modules.

– LabVIEW

– LabVIEW Real-Time

– LabVIEW FPGA

– FlexRIO Support1

• A DC power supply as described in the NI-7932R Specifications

• A FlexRIO adapter module or custom adapter module (optional)

• A number 2 Phillips screwdriver

• A number 1 Phillips screwdriver

• A small flat-blade screwdriver

• Straight through shielded Ethernet cable (if connecting to a network) or crossover

shielded Ethernet cable (if connecting directly to a PC)

Unpacking the Kit

Caution To prevent electrostatic discharge (ESD) from damaging the device,

ground yourself using a grounding strap or by holding a grounded object, such as

your computer chassis.

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

2. Remove the device from the package and inspect the device for loose components or any

other sign of damage.

Caution Never touch the exposed pins of connectors.

1LabVIEW 2015, FlexRIO Support 2015, LabVIEW Real-Time 2015, and LabVIEW FPGA 2015

are the earliest versions of software that support the NI-7932R.

NI-7932R Getting Started Guide | © National Instruments | 5

Note Do not install a device if it appears damaged in any way.

3. Unpack any other items and documentation from the kit.

Store the device in the antistatic package when the device is not in use.

Preparing the Environment

Ensure that the environment you are using the NI-7932R in meets the following specifications.

Operating temperature (IEC 60068-2-1,

IEC 60068-2-2)

0 °C to 55 °C

Operating humidity (IEC 60068-2-56) 10% to 90% RH, noncondensing

Pollution Degree 2

Maximum altitude 2,000 m at 25 °C ambient temperature

Indoor use only.

Note Refer to the NI-7932R Specifications at ni.com/manuals for complete

specifications.

Caution Clean the hardware with a soft, nonmetallic brush. Make sure that the

hardware is completely dry and free from contaminants before returning it to

service.

Wiring Power to the NI-7932R

The NI-7932R requires a 9 V to 30 V external power supply that meets the specifications in

the NI-7932R Specifications. The NI-7932R filters and regulates the supplied power and

provides power for the I/O modules.

Note You can latch the power plug to the NI-7932R using two screws tightened to

0.20 to 0.25 N · m (1.8 to 2.2 lb · in.) of torque.

The maximum wire gage accepted by the power connector plug is 16 AWG. You must use a

stripped wire length of 10 mm (.394 in).

When the POWER LED on the front panel is lit green, the device is powered.

The NI-7932R has reverse-voltage protection.

Complete the following steps to connect a power supply to the NI-7932R.

1. Ensure the power source is turned off.

2. Connect a positive wire to the positive terminal of the power connector plug, and connect

a negative wire to the negative terminal of the power connector plug.

6| ni.com | NI-7932R Getting Started Guide

1. Positive terminal

2. Negative terminal

3. No connect

3. Install the power connector on the front panel of the NI-7932R.

4. Turn on the external power source(s).

Powering on the NI-7932R

When you apply power for the first time to the NI-7932R, the controller boots into safe mode.

The POWER LED illuminates, the STATUS LED illuminates briefly, and then the STATUS

LED blinks twice every few seconds.

After you install software on the controller, subsequent reboots will boot the controller into the

NI Linux Real-Time operating system.

You can optionally configure the NI-7932R to launch an embedded stand-alone LabVIEW

Real-Time application each time you boot the controller.

STATUS LED

The STATUS LED is off during normal operation. The NI-7932R indicates specific error

conditions by flashing the STATUS LED a certain number of times every few seconds, as

shown in the following table.

LED State Indication

2 flashes every few

seconds

There is no software installed, which is the out-of-box state, or the

controller has detected an error in its software.

An error can occur when an attempt to upgrade the software is

interrupted. Refer to the MAX Help for information about reinstalling

software on the controller.

3 flashes every few

seconds

The controller is in safe mode. Refer to the MAX Help for

information about safe mode.

NI-7932R Getting Started Guide | © National Instruments | 7

LED State Indication

4 flashes every few

seconds

The software has crashed twice without rebooting or cycling power

between crashes. This usually occurs when the controller runs out of

memory. Review your Real-Time VI and check the memory usage.

Modify the VI as necessary to solve the memory usage issue.

Continuously

flashing

The controller has not booted into NI Linux Real-Time. The

controller either booted into an unsupported operating system, was

interrupted during the boot process, or detected an unrecoverable

software error.

Solid The controller is booting up.

Continuously

flashing

This indicates a hardware error. An internal power supply has failed.

Check front-panel I/O and adapter module connections for shorts.

Remove any shorts and power cycle the controller. If the problem

persists, contact National Instruments.

Off Normal operation.

Connecting the NI-7932R to the Host Computer

Complete the following steps to connect the NI-7932R to the host computer using the USB

device port.

1. Power on the host computer.

2. Connect the NI-7932R to the host computer using the USB A-to-B cable.

Note Alternatively, you can use the RJ-45 Ethernet port to connect the

NI-7932R to the host computer.

The device driver software automatically detects the NI-7932R. If the device driver

software does not detect the NI-7932R, verify that you installed the appropriate NI

software in the correct order on the host computer.

Tip You can also use the Ethernet port to connect directly to the host computer or

network. Refer to the user manual on ni.com/manuals for more information about

Ethernet connections.

Related Information

Troubleshooting the NI-7932R on page 12

Installing the FlexRIO Adapter Module

Skip this section if you are not using a FlexRIO adapter module.

8| ni.com | NI-7932R Getting Started Guide

1. Gently insert the guide pins and the high-density card edge of the FlexRIO adapter

module into the corresponding connectors of the NI-7932R.

The connection may be tight, but do not force the adapter module into place.

2. Tighten the captive screws on the FlexRIO adapter module to secure it to the NI-7932R.

The following figure shows the NI-7932R with the FlexRIO adapter module connected.

Figure 2. NI-7932R with FlexRIO Adapter Module

Refer to the getting started guide for your adapter module for more information about your

adapter module, including programming information.

Configuring the System in Measurement &

Automation Explorer (MAX)

After connecting the NI-7932R to the host computer, complete the following steps to

configure the system for the first time in MAX.

1. Launch MAX on the host computer.

2. Expand Remote Systems in the MAX configuration tree and select the system. MAX

lists the system as the model name followed by the serial number, such as

NI-7932R-030521C9.

Related Information

Why Doesn't the Device Appear in MAX? on page 13

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