National Instruments NI PCIe-7821R Bedienungsanleitung

GETTING STARTED GUIDE

NI PCIe-7821R

R Series Digital I/O Module for PCI Express, 128 DIO, 512 MB DRAM,

Kintex-7 160T FPGA

This document describes how to begin using the PCIe-7821R.

Safety Guidelines

Caution Do not operate the PCIe-7821R in a manner not specified in this

document. Product misuse can result in a hazard. You can compromise the safety

protection built into the product if the product is damaged in any way. If the product

is damaged, return it to NI for repair.

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.

Caution To ensure the specified EMC performance, the length of all I/O cables

must be no longer than 3 m (10 ft).

Preparing the Environment

Ensure that the environment in which you are using the PCIe-7821R meets the following

specifications.

Operating temperature

(IEC 60068-2-1, IEC 60068-2-2)

0 °C to 40 °C

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

Pollution degree 2

Maximum altitude 2,000 m

Indoor use only.

Note Refer to the device specifications on ni.com/manuals for complete

specifications.

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.

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

2| ni.com | NI PCIe-7821R Getting Started Guide

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

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

Verifying the Kit Contents

Verify that the following items are included in the PCIe-7821R kit.

Figure 1. PCIe-7821R Kit Contents

1. Hardware

2. NI-RIO Media

3. Getting Started Guide

Installing Software on the Host Computer

Before using the PCIe-7821R, you must install the following application software and device

drivers on the host computer.

1. LabVIEW 2017 or later

2. LabVIEW FPGA Module 2017 or later

3. NI R Series Multifunction RIO Device Drivers May 2017 or later

Visit ni.com/info and enter the Info Code softwareversion for minimum software support

information.

Installing the PCIe-7821R

1. Power off and unplug the computer.

2. Access the computer system expansion slots. This step might require you to remove one

or more access panels on the computer case.

3. Locate a compatible slot and remove the corresponding slot cover on the computer back

panel.

4. Touch any metal part of the computer to discharge any static electricity.

5. Insert the PCIe-7821R into the applicable PCI Express system slot. Gently rock the

PCIe-7821R into place. Do not force the device into place.

NI PCIe-7821R Getting Started Guide | © National Instruments | 3

You cannot install PCI Express devices in PCI slots. PCI Express devices support up-

plugging into a PCI Express slot of higher lane width. For more information, refer to

ni.com/pciexpress.

Figure 2. Installing a PCI Express Device

1. PCI Express Device

2. PCI Express System Slot

3. PC with PCI Express Slot

6. Secure the module mounting bracket to the computer back panel rail.

7. Replace any access panels on the computer case.

8. Plug in and power on your computer.

9. If applicable, install accessories and/or terminal blocks as described in the installation

guides.

10. Attach sensors and signal lines to the device, terminal block, or accessory terminals.

Verifying Hardware Installation

You can verify that the system recognizes the PCIe-7821R by using Measurement &

Automation Explorer (MAX).

1. Launch MAX by navigating to Start»All Programs»National Instruments»MAX or by

clicking the MAX desktop icon.

2. Expand Devices and Interfaces.

3. Verify that the device appears under Devices and Interfaces.

If the device does not appear, press <F5> to refresh the view in MAX. If the device does

not appear after refreshing the view, visit ni.com/support for troubleshooting information.

4| ni.com | NI PCIe-7821R Getting Started Guide

Pinout

DIO30

GND

DIO28

GND

DIO26

GND

DIO24

GND

DIO22

GND

DIO20

GND

DIO18

GND

DIO16

GND

DIO14

GND

DIO12

GND

DIO10

GND

DIO8

GND

DIO6

GND

DIO4

GND

DIO2

GND

DIO0

GND

EXTCLKIN x

GND

DIO31

DIO29

GND

DIO25

GND

DIO23

GND

DIO27

GND

DIO21

GND

DIO19

GND

DIO17

GND

DIO15

GND

DIO13

GND

DIO11

GND

DIO9

GND

DIO7

GND

DIO5

GND

DIO3

GND

DIO1

GND

68 34

67 33

66 32

65 31

64 30

63 29

62 28

61 27

60 26

59 25

58 24

57 23

56 22

55 21

54 20

53 19

52 18

51 17

50 16

49 15

48 14

47 13

46 12

45 11

44 10

43 9

42 8

41 7

40 6

39 5

38 4

37 3

36 2

35 1

*x is the connector number.

EXTCLKIN x is an input only.

Table 1. PCIe-7821R Signal Descriptions

Signal Description

DIO Digital input/output signal connection

EXTCLKIN External clock input source that can be used for source synchronous

acquisitions. The provided clock source must be stable and glitch-free.

GND Ground connection

The PCIe-7821R is protected from overvoltage and overcurrent conditions.

Note Refer to the device specifications, available at ni.com/manuals for more

information.

NI PCIe-7821R Getting Started Guide | © National Instruments | 5

Digital I/O Connections

Figure 3. Connecting to the DIO Channels

NI PCIe-7821R

Power

FPGA

Connection

Accessory

DIO0

DIO1

DIO30

DIO31

Connector X (DIO)

1. High-speed signal frequencies up to 80 MHz with logic levels configured as 1.2 V, 1.5 V, 1.8 V, 2.5 V, or

3.3 V

2. LED

The DIO channels connect to the FPGA through protection circuitry, which has overvoltage

and undervoltage protection as well as overcurrent protection.

Note Refer to the device specifications, available at ni.com/manuals for more

information.

When the system powers on, the DIO channels are set as input low with pull-down resistors.

To set another power-on state, you can configure the PCIe-7821R to load a VI when the

system powers on. The VI can then set the DIO lines to any power-on state. Visit ni.com/info

and enter RSeries_PowerUpStates to learn more about configuring the power-up states

for the PCIe-7821R.

All the DIO channels on Connectors 0 through 3 are routed with a 50 Ω characteristic trace

impedance. Route all external circuitry with a similar impedance to ensure best signal quality.

NI recommends performing signal integrity measurements to test the affect of signal routing

with the cable and connection accessory for your application.

Installing Noise Suppression Ferrites

For each connected I/O cable, install two (2) snap-on, ferrite beads (777297-01), one on each

end of the cable, as close to the connector as practical.

6| ni.com | NI PCIe-7821R Getting Started Guide

Figure 4. Ferrite Installation

1. I/O cable

2. Ferrites

Two (2) snap-on, ferrite beads (777297-01) are included in each of the following

recommended cable kits:

• Shielded R Series High Speed Digital Cable, 1m (156166-01)

• Shielded R Series High Speed Digital Cable, 2m (156166-02)

For user-supplied cables, visit ni.com/info and enter RDIO2FERRITE for ferrite beads that can

be ordered directly from NI.

NI PCIe-7821R Getting Started Guide | © National Instruments | 7

Where to Go Next

SUPPORT

Services

ni.com/services

NI Community

ni.com/community

Software Support

ni.com/info>swsupport

Support

ni.com/support

SOFTWAREHARDWARE

Configuring a Project

NI-RIO Help

Learn LabVIEW Basics

ni.com/gettingstarted

NI R Series Examples

NI Example Finder

NI PCIe-7820R Specifications

ni.com/manuals

NI PCIe-7820R User Manual

ni.com/manuals

Worldwide Support and Services

The NI website is your complete resource for technical support. At ni.com/support, you have

access to everything from troubleshooting and application development self-help resources to

email and phone assistance from NI Application Engineers.

Visit ni.com/services for NI Factory Installation Services, repairs, extended warranty, and

other services.

Visit ni.com/register to register your NI product. Product registration facilitates technical

support and ensures that you receive important information updates from NI.

A Declaration of Conformity (DoC) is our claim of compliance with the Council of the

European Communities using the manufacturer’s declaration of conformity. This system

affords the user protection for electromagnetic compatibility (EMC) and product safety. You

can obtain the DoC for your product by visiting ni.com/certification. If your product supports

calibration, you can obtain the calibration certificate for your product at ni.com/calibration.

8| ni.com | NI PCIe-7821R Getting Started Guide

NI corporate headquarters is located at 11500 North Mopac Expressway, Austin, Texas,

78759-3504. NI also has offices located around the world. For telephone support in the United

States, create your service request at ni.com/support or dial 1 866 ASK MYNI (275 6964). For

telephone support outside the United States, visit the Worldwide Offices section of ni.com/

niglobal to access the branch office websites, which provide up-to-date contact information,

support phone numbers, email addresses, and current events.

NI PCIe-7821R Getting Started Guide | © National Instruments | 9

Information is subject to change without notice. Refer to the NI Trademarks and Logo Guidelines at ni.com/trademarks for

information on NI trademarks. Other product and company names mentioned herein are trademarks or trade names of their

respective companies. For patents covering NI products/technology, refer to the appropriate location: Help»Patents in your

software, the patents.txt file on your media, or the National Instruments Patent Notice at ni.com/patents. You can find

information about end-user license agreements (EULAs) and third-party legal notices in the readme file for your NI product. Refer

to the Export Compliance Information at ni.com/legal/export-compliance for the NI global trade compliance policy and how

to obtain relevant HTS codes, ECCNs, and other import/export data. NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS

TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS. U.S.

Government Customers: The data contained in this manual was developed at private expense and is subject to the applicable

limited rights and restricted data rights as set forth in FAR 52.227-14, DFAR 252.227-7014, and DFAR 252.227-7015.

376830A-01 Apr17

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