National Instruments NI 5751 Manual de usuario
GETTING STARTED GUIDE
NI 5751/5751B
50 MS/s Digitizer Adapter Module
Note Before you begin, complete the software and hardware installation
instructions in your FlexRIO FPGA getting started guide or controller for FlexRIO
getting started guide.
Caution Using the NI 5751/5751B in a manner not described in this document
may impair the protection the NI 5751/5751B provides.
The NI 5751/5751B is a 50 MS/s, 14-bit high-speed digitizer adapter module designed to work
in conjunction with FlexRIO FPGA modules and controllers for FlexRIO. The NI 5751/5751B
features 16 analog input channels and 8 bidirectional digital I/O channels.
This document explains how to install and configure the NI 5751/5751B.
The NI 5751B variant is compatible with all FlexRIO FPGA modules and controllers for
FlexRIO. The NI 5751 variant is compatible with the NI PXI-795xR and NI PXIe-796xR
FPGA modules only.
Note NI 5751R refers to the combination of your NI 5751/5751B adapter module
and either a FlexRIO FPGA module or a controller for FlexRIO. NI 5751/5751B
refers to your adapter module only.
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 are designed to 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 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, you must install PXI EMC
Filler Panels, National Instruments part number 778700-01, in all open chassis slots.
You can order a kit of six single slot EMC Filler Panels directly from NI by visiting
ni.com.
Caution To ensure the specified EMC performance, the length of all I/O cables
must be no longer than 30 m (100 ft).
FlexRIO Documentation
Table 1. FlexRIO Documentation Locations and Descriptions
Document Location Description
Getting started guide
for your FlexRIO
FPGA module or
controller for FlexRIO
Available from the Start menu
and at ni.com/manuals.
Contains installation instructions
for your FlexRIO system.
Specifications
document for your
FlexRIO FPGA
module or controller
for FlexRIO
Available from the Start menu
and at ni.com/manuals.
Contains specifications for your
FlexRIO FPGA module or
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.
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.
2| ni.com | NI 5751/5751B Getting Started Guide
Table 1. FlexRIO Documentation Locations and Descriptions (Continued)
Document Location Description
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.
Verifying the System Requirements
To use the NI 5751/5751B, 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.
Compatibility with FPGA Modules and
Controllers for FlexRIO
The NI 5751B variant is compatible with all FlexRIO FPGA modules and controllers for
FlexRIO; however, the NI 5751 variant is only compatible with NI PXI-795xR and
NI 5751/5751B Getting Started Guide | © National Instruments | 3
NI PXIe-796xR modules. The following table lists each adapter module's compatibility with
FlexRIO FPGA modules and controllers for FlexRIO.
Table 2. Adapter Module Compatibility
NI PXI-795xR NI PXIe-796xR NI PXIe-797xR NI-793xR
NI 5751 Yes Yes No No
NI 5751B Yes Yes Yes Yes
Accessories
NI SMB-2147/2148 devices are shielded signal accessories for NI 5751/5751B adapter
modules. NI SMB-2147/2148 accessories provide easy connections to other devices for testing
and debugging. For more information about these accessories, refer to the
NI SMB-2145/2146/2147/2148 User Guide. The following figure shows a typical setup of the
NI 5751/5751B with the NI SMB-2147 and NI SMB-2148 signal accessories.
4| ni.com | NI 5751/5751B Getting Started Guide
Figure 1. NI 5751/5751B with NI SMB-2147 and NI SMB-2148 Signal Accessories
NI PXI-1042
SMB-2147
Analog Input Accessory AI 3
AI 7
AI 2
AI 6 AI 5
AI 1 AI 0
AI 4
AI 11
AI 15 AI 14
AI 10
AI 13
AI 9
AI 12
AI 8
1
2
3
44
1. PXI Chassis with FlexRIO FPGA and adapter
module
2. NI SMB-2147
3. NI SMB-2148
4. SHC68-C68-D4 Cable Assemblies
Unpacking
Caution To prevent ESD from damaging the devices, 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 each module from the package and inspect it 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.
NI 5751/5751B Getting Started Guide | © National Instruments | 5
3. Unpack any other items and documentation from the kit.
Store the devices in the antistatic package when they are not in use.
Preparing the Environment
Ensure that the environment you are using the NI 5751/5751B 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 5751/5751B 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.
Confirming that Measurement & Automation
Explorer (MAX) Recognizes the Device
Use Measurement & Automation Explorer (MAX) to configure your NI hardware. MAX
informs other programs about which devices reside in the system and how they are configured.
MAX is automatically installed with FlexRIO Support.
1. Launch MAX by navigating to Start»All Programs»National Instruments»NI MAX or
by clicking the NI MAX desktop icon.
2. In the Configuration pane, double-click Devices and Interfaces to see the list of installed
devices. Installed devices appear under the name of their associated chassis.
3. (PXI and PXI Express devices only) Expand your Chassis tree item. MAX lists all
devices installed in the chassis. Your default device names may vary.
Note If you do not see your hardware listed, press <F5> to refresh the list of
installed devices. If the device is still not listed, power off the system, ensure
the device is correctly installed, and restart.
4. (Controllers for FlexRIO only) Your device appears under the Remote Devices section.
6| ni.com | NI 5751/5751B Getting Started Guide
Installing the NI 5751/5751B
Refer to the getting started guide for your FlexRIO FPGA module or Controller for FlexRIO
for instructions about how to install your FlexRIO system, including the NI 5751/5751B.
Cables
NI recommends using the SHC68-C68-D4 cable (part number 196275A-01) with the
NI 5751/5751B. This cable connects directly to the analog and digital connectors on the
NI 5751/5751B.
Front Panel and Connector Pinouts
The following figure shows the front panel connectors for the NI 5751/5751B.
Device Front Panel Connector Description
NI 5751
AI 0-15
CLK
IN
DI 0-7
DO 0-7
DI 0-7/DO-07 Digital input terminals (DI 0-7) and digital output
terminals (DO 0-7)
CLK IN Sample Clock input
AI 0-15 Single-ended analog input channels
NI 5751/5751B Getting Started Guide | © National Instruments | 7
Caution To avoid permanent damage to the NI 5751/5751B, disconnect all signals
connected to the NI 5751/5751B before powering down the module, and connect
signals only after the adapter module has been powered on by the FlexRIO FPGA
module or controller for FlexRIO.
Caution Connections that exceed any of the maximum ratings of any connector on
the NI 5751/5751B can damage the device and the chassis. NI is not liable for any
damage resulting from such connections.
Pinout and Signal Information
The following figure shows the pinout for the VHDCI connector.
8| ni.com | NI 5751/5751B Getting Started Guide
Figure 2. NI 5751 Digital Connector Pinout
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
DO 1
GND
GND
GND
GND
GND
GND
DO 3
DO 5
DO 7
DI 1
DI 3
DI 5
DI 7
DO 0
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
DO 2
DO 4
DO 6
DI 0
DI 2
DI 4
DI 6
GND
GND
GND
GND
GND
GND
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
The following figure shows the pinout for the analog connector on the front panel of the
NI 5751/5751B.
NI 5751/5751B Getting Started Guide | © National Instruments | 9
Figure 3. NI 5751 Analog Input CH 0 to CH 15
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
GND
AI 0
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
AI 2
GND
GND
AI 4
GND
AI 6
GND
AI 8
AI 10
GND
AI 12
AI 14
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
AI 1
AI 3
AI 5
AI 7
AI 9
AI 11
AI 13
AI 15
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Clocking
The NI 5751/5751B clock source controls the sample rate and other timing functions on the
device. The following table contains information about the possible NI 5751/5751B clock
sources.
10 | ni.com | NI 5751/5751B Getting Started Guide
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