National Instruments PXIe-7820 Bedienungsanleitung

PXIe-7820

GETTING STARTED GUIDE

NI PXIe-7820R

R Series for PXI Express Digital RIO with Kintex-7 160T FPGA

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ni.com/manuals

This document explains how to install and configure the NI PXIe-7820R.

Safety Guidelines

Caution Do not operate the NI PXIe-7820R in a manner not specified in this user

manual. 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 National Instruments for repair.

Electromagnetic Compatibility Guidelines

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

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

requirements and limits are designed to provide reasonable protection against harmful

interference when the product is operated in its intended operational electromagnetic

environment.

This product is intended for use in residential, commercial, and industrial locations. However,

harmful interference may occur in some installations or when the product is connected to a

peripheral device or a test object. 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. Do not use unshielded cables or accessories unless

they are installed in a shielded enclosure with properly designed and shielded input/

output ports and connected to the product using a shielded cable. If unshielded

cables or accessories are not properly installed and shielded, the EMC specifications

for the product are no longer guaranteed.

Caution To ensure the specified EMC performance, install two (2) snap-on, ferrite

beads (777297-01) per connected I/O cable in accordance with the product

installation instructions.

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

connected to the input port(s) must be no longer than 3 m (10 ft).

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.

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 components are in your kit.

2| ni.com | NI PXIe-7820R Getting Started Guide

Figure 1. Kit Contents for the NI PXIe-7820R

1. Hardware

2. NI-RIO Media

3. Getting Started Guide

Preparing the Environment

Ensure that the environment in which you are using the NI PXIe-7820R 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% RH to 90% RH, noncondensing

............................................................................Pollution degree 2

............................................................................Maximum altitude 2,000 m

Indoor use only.

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

Installing Software on the Host Computer

Before using the NI PXIe-7820R, you must install the following application software and

device drivers on the host computer.

1. LabVIEW 2014 SP1 or later

2. LabVIEW Real-Time Module 2014 SP1 or later1

3. LabVIEW FPGA Module 2014 SP1 or later

4. NI-RIO Device Drivers February 2015 or later

1LabVIEW Real Time Module is only required if the R Series board is being used on a PXIe

controller with a real-time operating system.

NI PXIe-7820R Getting Started Guide | © National Instruments | 3

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

information.

Installing the NI PXIe-7820R

Caution To prevent damage to the device caused by ESD or contamination, handle

the device using the edges or the metal bracket.

1. Ensure the AC power source is connected to the chassis before installing the modules.

The AC power cord grounds the chassis and protects it from electrical damage while you

install the modules.

2. Power off the chassis.

3. Inspect the slot pins on the chassis backplane for any bends or damage prior to

installation. Do not install a module if the backplane is damaged.

4. Remove the black plastic connectors from all the captive screws on the module front

panel.

5. Identify a supported slot in the chassis. The following figure shows the symbols that

indicate the slot types.

Figure 2. Chassis Compatibility Symbols

NI PXIe-1062Q

1. PXI Express System Controller Slot

2. PXI Peripheral Slot

3. PXI Express Hybrid Peripheral Slot

4. PXI Express System Timing Slot

5. PXI Express Peripheral Slot

NI PXIe-7820R modules can be placed in PXI Express peripheral slots, PXI Express

hybrid peripheral slots, or PXI Express system timing slots.

6. Touch any metal part of the chassis to discharge static electricity.

7. Ensure that the ejector handle is in the unlatched (downward) position.

8. Place the module edges into the module guides at the top and bottom of the chassis. Slide

the device into the slot until it is fully inserted.

4| ni.com | NI PXIe-7820R Getting Started Guide

Figure 3. Module Installation

1. Chassis

2. Hardware

3. Ejector Handle in Down (Unlatched) Position

9. Latch the module in place by pulling up on the ejector handle.

10. Secure the device front panel to the chassis using the front-panel mounting screws.

Note Tightening the top and bottom mounting screws increases mechanical

stability and also electrically connects the front panel to the chassis, which can

improve the signal quality and electromagnetic performance.

11. Cover all empty slots using filler panels or slot blockers to maximize cooling air flow.

12. Power on the chassis.

Verifying Hardware Installation for Host Targets

You can verify that the system recognizes the NI PXIe-7820R 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.

NI PXIe-7820R Getting Started Guide | © National Instruments | 5

Verifying Hardware Installation for Remote

Targets

You can verify that the system recognizes the NI PXIe-7820R by using Measurement &

Automation Explorer (MAX).

1. Launch MAX on the host computer.

2. Expand Remote Targets in the configuration tree and locate your system.

3. Install LabVIEW Real-Time Module 2014 SP1 and NI RIO Device Drivers February

2015 or later on your Remote Target.

a) Refer to the Installing Software on the Host Computer section for information about

installing software on the host.

b) Refer to the PXI Express Controllers User Manual at ni.com/manuals for

information on installing software on the target.

4. Under Remote Targets, find and expand 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.

Connecting the NI PXIe-7820R

NI recommends using the following cables and accessories with the NI PXIe-7820R:

• EMI suppression ferrites (777297-01)

• Shielded 68-Pin Connector Block for R Series DIO & HSDIO Products (782914-01)

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

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

Note NI is not liable for connections that exceed any of the maximum ratings of

input or output signals on the NI PXIe-7820R and on the computer chassis. Refer to

the NI PXIe-7820R Specifications, available at ni.com/manuals for the maximum

input and output ratings for each signal.

6| ni.com | NI PXIe-7820R Getting Started Guide

Table 1. NI PXIe-7820R Pinout

Pinout Signal Description

GND

DIO0

GND

External Clock x*

GND

DIO30

DIO28

GND

DIO24

GND

DIO22

GND

DIO26

GND

DIO20

GND

DIO18

GND

DIO16

GND

DIO14

GND

DIO12

GND

DIO10

GND

DIO8

GND

DIO6

GND

DIO4

GND

DIO2

DIO31

GND

DIO29

GND

DIO27

GND

DIO25

GND

DIO23

GND

DIO21

GND

DIO19

GND

DIO17

GND

DIO15

GND

DIO13

GND

DIO11

GND

DIO9

GND

DIO7

GND

DIO5

GND

DIO3

GND

DIO1

GND

35 1

36 2

37 3

38 4

39 5

40 6

41 7

42 8

43 9

44 10

45 11

46 12

47 13

48 14

49 15

50 16

51 17

52 18

53 19

54 20

55 21

56 22

57 23

58 24

59 25

60 26

61 27

62 28

63 29

64 30

65 31

66 32

67 33

68 34

* xis the connector number.

External Clock xis an input only.

DIO <0...31> Digital I/O data through channels 0

through 31.

GND Ground reference for signals.

External Clock External clock input source that can be

used for source synchronous

acquisitions. The provided clock source

must be stable and glitch-free.

The NI PXIe-7820R is protected from overvoltage and overcurrent conditions. Refer to the

NI PXIe-7820R Specifications, available at ni.com/manuals, for more information on

overvoltage and overcurrent conditions.

NI PXIe-7820R Getting Started Guide | © National Instruments | 7

Digital I/O

The NI PXIe-7820R provides connections for 128 digital input/output (DIO) channels.

Connectors 0 through 3 each contain 32 high-speed DIO channels that can run up to 80 MHz

signal frequencies. Each connector has selectable logic levels that you can configure as 1.2 V,

1.5 V, 1.8 V, 2.5 V, or 3.3 V. You can configure each channel as input or output.

Figure 4. Connecting to the DIO Channels

NI PXIe-7820R

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. Refer to the NI PXIe-7820R

Specifications for more information about the maximum voltage and current.

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 NI PXIe-7820R to load a VI when the

system powers on. The VI can then set the DIO lines to any power-on state.

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

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

shielded cables and accessories. Do not use unshielded cables or accessories unless

they are installed in a shielded enclosure with properly designed and shielded input/

output ports and connected to the product using a shielded cable. If unshielded

8| ni.com | NI PXIe-7820R Getting Started Guide

cables or accessories are not properly installed and shielded, the EMC specifications

for the product are no longer guaranteed.

Caution To ensure the specified EMC performance, install two (2) snap-on, ferrite

beads (777297-01) per connected I/O cable in accordance with the product

installation instructions.

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

connected to the input port(s) must be no longer than 3 m (10 ft).

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.

Two (2) snap-on, ferrite beads (777297-01) are included in ach 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, the ferrite beads can be ordered directly from NI by visiting ni.com/

info and entering RDIO2FERRITE.

Figure 5. Ferrite Installation

1. I/O cable

2. Ferrites

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