National Instruments Switch NI 78xxR User Manual

Getting Started with R Series Intelligent DAQ  
This document explains how to install and configure National Instruments 78xxR devices.  
Figure 1. PCI and PXI R Series Devices  
NI 78xxR Required Components  
The following items are necessary to set up and use the NI PCI/PXI-78xxR:  
The following software packages:  
LabVIEW 7.1 or later  
LabVIEW FPGA Module 1.1 or later  
NI-RIO 1.3 or later—included with the NI 78xxR  
(Optional) LabVIEW Real-Time Module 7.1 or later  
Note The examples referenced in this document require LabVIEW 8.0 or later and NI-RIO 2.0  
or later.  
Development computer or PXI/CompactPCI chassis and PXI/CompactPCI embedded controller  
running Windows 2000/XP.  
At least one cable and device for connecting signals to the NI 78xxR.  
Step 1. Install Application Software and Driver  
Before installing the NI 78xxR, you need to install the application software and device driver.  
Note The NI PXI-7831R supports LabVIEW 7.0 or later, LabVIEW FPGA Module 1.0 or later,  
and NI-RIO 1.0 or later. The NI PCI-7831R and NI PXI-7811R support NI-RIO 1.1 or later.  
 
 
3
1
2
1
NI PCI-78xxR Device  
3
PCI System Slot  
3
PC with PCI Slot  
Figure 2. Installing an NI PCI-78xxR Device  
1
PXI-1000B  
2
7
3
6
5
4
1
2
3
PXI Chassis  
PXI System Controller  
NI PXI-78xxR Device  
4
5
Injector/Ejector Handle  
Front-Panel Mounting Screws  
6
7
Module Guides  
Power Switch  
Figure 3. Installing an NI PXI-78xxR Device in a PXI Chassis  
5. For the NI PCI-78xxR, secure the device mounting bracket to the computer back panel rail. For the  
NI PXI-78xxR, secure the device front panel to the chassis front panel mounting rail using the  
front-panel mounting screws.  
6. For the NI PCI-78xxR, replace the computer cover, if applicable.  
7. Plug in and power on the computer or PXI chassis.  
To confirm that your device is recognized, complete the following additional steps:  
1. Double-click the Measurement & Automation icon on the desktop to open Measurement &  
Automation Explorer (MAX).  
2. Expand Devices and Interfaces.  
3. Verify that the device appears under Devices and Interfaces»RIO Devices.  
© National Instruments Corporation  
3
Getting Started with R Series Intelligent DAQ  
 
Step 3. Connect Signals  
Figure 4 shows the I/O connector pin assignments and locations for NI 781xR Digital R Series devices.  
Figure 5 shows the I/O connector pin assignments and locations for NI 78xxR Multifunction R Series  
devices.  
68 34  
DIO39  
DIO38  
DIO37 67 33 DIO36  
DIO35 66 32 DIO34  
TERMINAL 68  
TERMINAL 34  
TERMINAL 35  
TERMINAL 1  
65 31 DIO32  
64 30 DIO30  
63 29 DIO28  
62 28 +5V  
DIO33  
DIO31  
DIO29  
DIO27  
DIO26  
DIO25  
DIO24  
61 27 +5V  
60 26 DGND  
DGND  
59 25  
DIO23 58 24 DGND  
TERMINAL 1  
TERMINAL 35  
TERMINAL 34  
TERMINAL 68  
DIO22 57 23  
56 22  
DIO20 55 21  
DGND  
DGND  
DGND  
DIO21  
54 20 DGND  
DIO19  
DIO18  
DIO17  
DIO16  
DIO15  
53 19  
52 18  
DGND  
DGND  
51 17 DGND  
50 16  
DGND  
DGND  
DIO14 49 15  
48 14 DGND  
47 13 DGND  
46 12 DGND  
45 11 DGND  
44 10 DGND  
DIO13  
DIO12  
DIO11  
DIO10  
DIO9  
DIO8  
DIO7  
DIO6  
DIO5  
DIO4  
DIO3  
DIO2  
DIO1  
DIO0  
TERMINAL 68  
TERMINAL 34  
TERMINAL 35  
TERMINAL 1  
43  
42  
41  
40  
39  
38  
37  
36  
35  
9
8
7
6
5
4
3
2
1
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
TERMINAL 1  
TERMINAL 35  
TERMINAL 34  
TERMINAL 68  
Figure 4. NI 781xR Connector Pin Assignments and Locations  
Getting Started with R Series Intelligent DAQ  
4
ni.com  
 
 
68 34  
DIO39  
DIO38  
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  
AI0–  
AI0+  
AIGND0  
AI1+  
DIO37 67 33 DIO36  
DIO35 66 32 DIO34  
AIGND1  
AI1–  
TERMINAL 68  
TERMINAL 34  
65 31 DIO32  
64 30 DIO30  
63 29 DIO28  
62 28 +5V  
DIO33  
DIO31  
DIO29  
DIO27  
DIO26  
DIO25  
DIO24  
AI2+  
AI2–  
AIGND2  
AIGND3  
AI3–  
AI4–1  
AIGND5  
AI5–1  
AI6–1  
AI3+  
AI4+1  
61 27 +5V  
AIGND4  
AI5+1  
AI6+1  
60 26 DGND  
DGND  
59 25  
DIO23 58 24 DGND  
AIGND6  
AI7+1  
AIGND7  
AI7–1  
TERMINAL 1  
TERMINAL 35  
DIO22 57 23  
56 22  
DIO20 55 21  
DGND  
DGND  
DGND  
DIO21  
AISENSE  
AO0  
No Connect  
AOGND0  
AOGND1  
AOGND2  
AOGND3  
AOGND4  
AOGND5  
AOGND6  
AOGND7  
DIO14  
54 20 DGND  
DIO19  
DIO18  
DIO17  
DIO16  
DIO15  
AO1  
53 19  
52 18  
DGND  
DGND  
AO2  
AO3  
AO41  
51 17 DGND  
AO51  
50 16  
DGND  
DGND  
AO61  
DIO14 49 15  
AO71  
DIO15  
DIO13  
DIO11  
DIO9  
DIO7  
DIO6  
DIO5  
DIO4  
DIO3  
DIO2  
DIO1  
DIO0  
+5V  
48 14 DGND  
47 13 DGND  
46 12 DGND  
45 11 DGND  
44 10 DGND  
DIO13  
DIO12  
DIO11  
DIO10  
DIO9  
DIO8  
DIO7  
DIO6  
DIO5  
DIO4  
DIO3  
DIO2  
DIO1  
DIO0  
TERMINAL 68  
TERMINAL 34  
TERMINAL 35  
TERMINAL 1  
DIO12  
DIO10  
DIO8  
43  
42  
41  
40  
39  
38  
37  
36  
35  
9
8
7
6
5
4
3
2
1
DGND  
DGND  
43  
42  
41  
40  
39  
38  
37  
36  
35  
9
8
7
6
5
4
3
2
1
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
+5V  
TERMINAL 1  
TERMINAL 35  
TERMINAL 34  
TERMINAL 68  
1 No Connect on the NI 7830R  
Figure 5. NI 783xR Connector Pin Assignments and Locations  
Caution Connections that exceed any of the maximum ratings of input or output signals on the  
NI 78xxR can damage the NI 78xxR and the computer or chassis. NI is not liable for any damage  
resulting from such signal connections. For the maximum input and output ratings for each signal,  
refer to the NI 781xR User Manual for NI 781xR Digital R Series devices or the NI 783xR User  
Manual for NI 78xxR Multifunction R Series devices.  
For detailed information about connecting I/O signals, refer to the NI 781xR User Manual for NI 781xR  
Digital R Series devices or the NI 783xR User Manual for NI 78xxR Multifunction R Series devices.  
© National Instruments Corporation  
5
Getting Started with R Series Intelligent DAQ  
 
 
Connectivity Options  
Accessing the signals on the I/O connectors requires at least one cable and one signal accessory. Table 1  
summarizes the National Instruments connectivity options available for use with the NI 78xxR device.  
Table 1. R Series Connectivity Options  
Cable  
Connector  
Accessory  
NI SCB-68  
Description  
SHC68-68-RMIO*  
(NI Recommended)  
0
High-performance shielded cable wired  
specifically for signal connection from the  
RMIO connectorto the SCB-68 terminal block  
to provide higher signal integrity and noise  
immunity.  
SHC68-68-RDIO  
(NI Recommended)  
1, 2  
NI SCB-68  
High-performance shielded cable wired  
specifically for signal connection from the  
RDIO connectorto the SCB-68 terminal block  
to provide higher signal integrity and noise  
immunity.  
1, 2  
0, 1, 2  
NI cRIO-9151  
R Series Expansion  
chassis  
Connect signals from the RDIO connector to the  
NI cRIO-9151 Expansion chassis for expansion  
I/O and signal conditioning.  
SH68-C68-S  
NI SCB-68  
Basic shielded cable for signal connection from  
the RMIO or RDIO connector to the NI SCB-68  
terminal block for noise reduction.  
CAT 5 Ethernet  
crossover cable*  
For use with the NI PXI-78xxR running the  
LabVIEW Real-Time Module, 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.  
* NI 78xxR Multifunction R Series devices only.  
For a diagram of the twisted pairs in the SHC68-68-RMIO and SHC68-68-RDIO cables and the signals to which they  
correspond, go to ni.com/info and enter the info code rdrmio.  
Getting Started with R Series Intelligent DAQ  
6
ni.com  
 
 
Step 4. Using Your NI 78xxR Device with a LabVIEW FPGA Example VI  
(NI 783xR/784xR/785xR Only)  
The NI-RIO driver installation includes a variety of example projects to help get you started.  
This section demonstrates how to use an existing LabVIEW FPGA example project to take an  
analog input measurement with the NI 78xxR device.  
Each R Series example project includes:  
A LabVIEW FPGA VI that can be compiled and run embedded in FPGA hardware  
A Host VI that runs in LabVIEW for Windows and interacts with the LabVIEW FPGA VI  
The examples are configured for a specific target and are not necessarily configured for your device.  
To use the examples for a different target, you must copy the items contained within the VI to a new  
FPGA target.  
Note To acquire real-world data in the analog input measurement taken in this example,  
you will also need to provide your own signal source, such as a battery or function generator.  
To access the analog input example project and take a measurement, complete the following steps:  
1. Launch LabVIEW.  
2. In the Getting Started window, click Find Examples to display the NI Example Finder.  
3. In the NI Example Finder window, select Hardware Input and Output»R Series. This directory  
holds several example projects designed to help you get started using your R Series device.  
4. Select Basic I/O and then select Analog Input - R Series.lvproj.  
5. The Analog Input example project opens in the Project Explorer window. This project is  
precompiled for the NI PCI-7831R. If you are not using an NI PCI-7831R, then you need  
to copy the example files into a new target directory and recompile the code. To compile  
Analog Input - R Series.lvproj for a new R Series target, complete the following steps:  
a. Right-click My Computer and select New»Targets and Devices to create a new target  
in the Project Explorer window.  
b. Select the Existing target or device radio button.  
c. Expand the FPGA Target folder to display a list of the R Series devices you can add.  
From the list, select the device for which you want to create a new directory, and click OK.  
If your R Series device does not appear under this tree structure, refer to the Step 2. Install the  
Device, Accessories, and Cables section and confirm that the device was installed correctly.  
d. In the Project Explorer window, expand the original FPGA target and locate the Items to  
Move folder. This folder holds all the target VIs and I/O resources necessary to run the  
example VI. Click on the folder and drag it to the new FPGA Target.  
Note The new target must support all of the analog input items included in this folder.  
e. Right-click the Analog Input (FPGA).vi file within the Items to Move folder and select  
Compile to recompile the FPGA VI. Recompiling takes several minutes. When the bitstream  
generation is complete, close the LabVIEW FPGA Compile Server.  
f. Open Analog Input (Host).vi under My Computer and switch to the block diagram to update  
the host VI and its references to the FPGA VI.  
© National Instruments Corporation  
7
Getting Started with R Series Intelligent DAQ  
 
g. On the block diagram, right-click the Open FPGA VI Reference function and choose  
Select VI from the shortcut menu.  
h. In the Select VI dialog box, select Analog Input (FPGA).vi in the new target and click OK.  
i. In the Project Explorer window, right-click the original FPGA target and select Remove to  
delete it from the project.  
j. Save the project to a new directory by selecting File»Save As.  
6. Click the Run button in Analog Input (Host).vi to run the VI. The host VI displays the data being  
acquired by the R Series device. To view real-world data, wire a signal source or voltage source to  
AI0+ (RMIO pin 68) and AI0– (RMIO pin 34) of the terminal block.  
Getting Started with R Series Intelligent DAQ  
8
ni.com  
 
Adding Analog Output to the FPGA Application  
To expand the LabVIEW FPGA application to include analog output, complete the following steps:  
1. On the block diagram of Analog Input (FPGA).vi, insert a new frame between the first and second  
frames of the Flat Sequence structure by right-clicking the divider between the first two frames and  
selecting Insert Frame from the shortcut menu, as shown in the following figure.  
2. In the Project Explorer window, right-click the FPGA target and select New»FPGA I/O.  
3. In the New FPGA I/O dialog box, expand Connector0 and select AO0.  
Note This example reflects the naming conventions and graphic interface of LabVIEW 8.5. Items  
such as FPGA I/O resources may appear differently if you are using earlier versions of LabVIEW.  
4. Click Add, then click OK.  
5. Click Connector0/AO0 in the Project Explorer window and drag it into the second frame of the  
Flat Sequence structure on the block diagram of the FPGA VI. The FPGA I/O Node is created  
automatically.  
© National Instruments Corporation  
9
Getting Started with R Series Intelligent DAQ  
 
6. Right-click the input terminal of the new FPGA I/O Node and select Create»Control from the  
shortcut menu. Rename the control AO Voltage, as shown in the following block diagram.  
7. Save the VI, then right-click Analog Input (FPGA).vi in the Project Explorer window and select  
Compile from the shortcut menu to recompile the FPGA VI.  
8. Modify the host VI to control the additional AO channel you created by completing the  
following steps:  
a. Open the Analog Input (Host).vi block diagram.  
b. Place a Read/Write Control from the FPGA Interface palette between the Invoke method  
and the Read/Write Control that already exists on the block diagram.  
c. Wire the FPGA VI Reference Out terminal of the Invoke Method node to the FPGA VI  
Reference In terminal of the new Read/Write Control. Wire the FPGA Reference Out  
terminal of the new Read/Write Control to the FPGA VI Reference In terminal of the  
existing Read/Write Control.  
d. Wire the error out output of the Invoke Method node to the error in input of the new  
Read/Write Control. Wire the error out output of the new Read/Write Control to the  
error in input of the existing Read/Write Control.  
e. Click the terminal labeled Unselected and change it to AO Voltage.  
f. Right-click the AO Voltage terminal and select Create»Control, as shown in the following  
block diagram.  
Getting Started with R Series Intelligent DAQ  
10  
ni.com  
 
9. On the front panel, locate the numeric control labeled AO Voltage. Right-click the control and  
select Num Ctrls»Knob from the Express controls palette to change the control type to knob.  
10. On the front panel, click and highlight the value in the lower limit of the knob to change the limit  
to –32000. Click and highlight the value in the upper limit to change the limit to 32000.  
11. Save the VI.  
12. Using the terminal block, connect analog output channel 0 to analog input channel 0  
by wiring AI0+ (RMIO pin 68) to AO0 (RMIO pin 55) and AI0– (RMIO pin 34) to  
AOGND0 (RMIO pin 21), respectively.  
13. Click the Run button in Analog Input (Host).vi and adjust the knob which controls analog output  
channel 0. Notice how the change in voltage affects the reading on analog input channel 0.  
Where to Go From Here  
The following resources contain information for writing applications and taking measurements with  
R Series Intelligent DAQ devices.  
LabVIEW FPGA documentation  
Getting Started with LabVIEW FPGA 8.x—This KnowledgeBase, available at ni.com/kb,  
provides links to the top resources that can be used to assist in getting started with  
programming in LabVIEW FPGA.  
FPGA Module book in the LabVIEW Help—Select Help»Search the LabVIEW Help in  
LabVIEW to view the LabVIEW Help. Browse the FPGA Module book in the Contents tab  
for information about how to use the FPGA Module to create VIs that run on the NI 78xxR  
device.  
LabVIEW FPGA Module Release and Upgrade Notes—Contains information about installing  
and getting started with the LabVIEW FPGA Module. Select Start»All Programs»National  
Instruments»LabVIEW»LabVIEW Manuals to view the LabVIEW Manuals directory  
that contains this document.  
National Instruments Example Finder—LabVIEW contains an extensive library of VIs and  
example programs for use with R Series devices. To access the NI Example Finder, open LabVIEW  
and select Help»Find Examples, then select Hardware Input and Output»R Series.  
© National Instruments Corporation  
11  
Getting Started with R Series Intelligent DAQ  
 
NI 783xR User Manual—Describes the electrical and mechanical aspects of the NI 78xxR  
Multifunction R Series devices, contains information about R Series device operation and  
programming, and includes device specifications. To access this document, refer to ni.com/  
manuals.  
NI 781xR User Manual—Describes the electrical and mechanical aspects of the NI 781xR Digital  
R Series devices, contains information about Digital R Series device operation and programming,  
and includes device specifications.  
LabVIEW FPGA IPNet—Offers resources for browsing, understanding, and downloading  
LabVIEW FPGA functions or IP (Intellectual Property). Use this resource to acquire IP that you  
need for your application, download examples to help learn programming techniques, and explore  
the depth of IP offered by the LabVIEW FPGA platform. To access the LabVIEW FPGA IPNet,  
visit ni.com/ipnet.  
Where to Go for Support  
The National Instruments Web site 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.  
National Instruments corporate headquarters is located at 11500 North Mopac Expressway, Austin,  
Texas, 78759-3504. National Instruments also has offices located around the world to help address  
your support needs. For telephone support in the United States, create your service request at  
ni.com/support and follow the calling instructions or dial 512 795 8248. For telephone support  
outside the United States, contact your local branch office:  
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Brazil 55 11 3262 3599, Canada 800 433 3488, China 86 21 5050 9800,  
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Italy 39 02 41309277, Japan 0120-527196, Korea 82 02 3451 3400, Lebanon 961 (0) 1 33 28 28,  
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Portugal 351 210 311 210, Russia 7 495 783 6851, Singapore 1800 226 5886,  
Slovenia 386 3 425 42 00, South Africa 27 0 11 805 8197, Spain 34 91 640 0085,  
Sweden 46 (0) 8 587 895 00, Switzerland 41 56 2005151, Taiwan 886 02 2377 2222,  
Thailand 662 278 6777, Turkey 90 212 279 3031, United Kingdom 44 (0) 1635 523545  
National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation.  
Refer to the Terms of Use section on ni.com/legal for more information about National  
Instruments trademarks. Other 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.  
© 2003–2007 National Instruments Corporation. All rights reserved.  
373256E-01  
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