National Instruments Switch PCI PXI 783xR User Manual

Getting Started with R Series Intelligent DAQ  
This document explains how to install and configure National Instruments PCI/PXI-781xR,  
PCI/PXI-783xR, PXI-784xR, and PXI-785xR (NI 78xxR) devices. This document also contains a  
tutorial section that demonstrates how to begin taking a measurement using a LabVIEW FPGA  
example VI.  
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  
LabVIEW FPGA Module  
NI-RIO device drivers  
(Optional) LabVIEW Real-Time Module  
Refer to Step 1. Install Application Software and Driver, for information on R Series software  
support.  
Development computer or PXI/CompactPCI chassis and PXI/CompactPCI embedded controller  
running Windows 2000/XP.  
At least one cable and accessory for connecting signals to the NI 78xxR. For a list of applicable  
cable and accessory options, refer to the Connectivity Options section.  
 
Installing the NI 78xxR  
You can install the NI PCI-78xxR in any available PCI expansion slot in the computer, and the  
NI PXI-78xxR in any available peripheral slot in the PXI or CompactPCI chassis. To achieve the best  
noise performance, leave as much room as possible between the NI PCI-78xxR and other boards.  
Note You must install the software before installing the hardware. For software installation  
information, refer to Step 1. Install Application Software and Driver.  
1. Power off and unplug the computer or PXI chassis.  
Caution Refer to the Read Me First: Safety and Radio-Frequency Interference document packaged  
with your PXI chassis or device before removing equipment covers or connecting or disconnecting  
any signal wires.  
2. Remove the computer cover and/or the expansion slot cover on the computer, or the filler panel of  
an unused PXI slot on the PXI chassis.  
3. Touch any metal part of the computer or chassis to discharge any static electricity.  
4. For the NI PCI-78xxR, insert the device into the applicable PCI system slot on your computer.  
Gently rock the device into place. Do not force the device into place. For the NI PXI-78xxR,  
insert the device into the PXI slot. Use the injector/ejector handle to fully inject the NI PXI-78xxR  
into place.  
3
1
2
1
NI PCI-78xxR Device  
2
PCI System Slot  
3
PC with PCI Slot  
Figure 2. Installing an NI PCI-78xxR Device  
© National Instruments Corporation  
3
Getting Started with R Series Intelligent DAQ  
 
1
PXI-1000  
B
2
7
6
3
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. Select Start»All Programs»National Instruments»Measurement & Automation to open  
Measurement & Automation Explorer (MAX).  
2. Expand Devices and Interfaces.  
3. Verify that the device appears under Devices and Interfaces»RIO Devices.  
Getting Started with R Series Intelligent DAQ  
4
ni.com  
 
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 783xR/784xR/785xR  
Multifunction R Series devices.  
68 34  
DIO37 67 33 DIO36  
DIO39  
DIO38  
TERMINAL 68  
TERMINAL 35  
66 32  
DIO34  
DIO35  
DIO33  
DIO31  
DIO29  
DIO27  
DIO26  
DIO25  
DIO24  
65 31 DIO32  
TERMINAL 34  
TERMINAL 1  
64 30 DIO30  
DIO28  
63 29  
+5V  
62 28  
61 27 +5V  
60 26 DGND  
DGND  
59 25  
DIO23 58 24 DGND  
TERMINAL 1  
TERMINAL 34  
57 23  
56 22  
55 21  
DIO22  
DIO21  
DIO20  
DIO19  
DIO18  
DIO17  
DIO16  
DGND  
DGND  
DGND  
TERMINAL 35  
TERMINAL 68  
54 20 DGND  
53 19  
52 18  
51 17  
50 16  
49 15  
DGND  
DGND  
DGND  
DGND  
DGND  
DIO15  
DIO14  
48 14 DGND  
47 13 DGND  
46 12 DGND  
DIO13  
DIO12  
DIO11  
DIO10  
DIO9  
DIO8  
DIO7  
DIO6  
DIO5  
DIO4  
DIO3  
DIO2  
DIO1  
DIO0  
TERMINAL 68  
TERMINAL 35  
TERMINAL 34  
TERMINAL 1  
DGND  
DGND  
DGND  
DGND  
45 11  
44 10  
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  
TERMINAL 1  
TERMINAL 34  
TERMINAL 35  
TERMINAL 68  
Figure 4. NI 781xR Connector Pin Assignments and Locations  
© National Instruments Corporation  
5
Getting Started with R Series Intelligent DAQ  
 
 
68 34  
DIO37 67 33 DIO36  
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–  
AIGND1  
AI1–  
AI0+  
AIGND0  
AI1+  
TERMINAL 68  
66 32  
DIO34  
DIO35  
DIO33  
DIO31  
DIO29  
DIO27  
DIO26  
DIO25  
DIO24  
65 31 DIO32  
AI2–  
TERMINAL 34  
AI2+  
64 30 DIO30  
AIGND2  
AI3+  
AIGND3  
AI3–  
DIO28  
63 29  
1
1
+5V  
62 28  
AI4–  
AI4+  
61 27 +5V  
AIGND5  
AIGND4  
1
1
60 26 DGND  
AI5–  
AI5+  
1
1
DGND  
59 25  
AI6–  
AI6+  
DIO23 58 24 DGND  
AIGND6  
AIGND7  
1
1
TERMINAL 1  
57 23  
56 22  
55 21  
DIO22  
DIO21  
DIO20  
DIO19  
DIO18  
DIO17  
DIO16  
DGND  
DGND  
DGND  
AI7+  
AI7–  
AISENSE  
AO0  
No Connect  
AOGND0  
AOGND1  
AOGND2  
AOGND3  
AOGND4  
AOGND5  
AOGND6  
AOGND7  
DIO14  
TERMINAL 35  
54 20 DGND  
AO1  
53 19  
52 18  
51 17  
50 16  
49 15  
DGND  
DGND  
DGND  
DGND  
DGND  
AO2  
AO3  
1
AO4  
1
DIO15  
DIO14  
AO5  
1
AO6  
1
48 14 DGND  
47 13 DGND  
46 12 DGND  
DIO13  
DIO12  
DIO11  
DIO10  
DIO9  
DIO8  
DIO7  
DIO6  
DIO5  
DIO4  
DIO3  
DIO2  
DIO1  
DIO0  
AO7  
TERMINAL 68  
TERMINAL 35  
DIO15  
DIO13  
DIO11  
DIO9  
DIO7  
DIO6  
DIO5  
DIO4  
DIO3  
DIO2  
DIO1  
DIO0  
+5V  
TERMINAL 34  
TERMINAL 1  
DIO12  
DGND  
DGND  
DGND  
DGND  
45 11  
44 10  
DIO10  
DIO8  
43  
42  
41  
40  
39  
38  
37  
36  
35  
9
8
7
6
5
4
3
2
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  
DGND  
DGND  
DGND  
DGND  
DGND  
DGND  
+5V  
TERMINAL 1  
TERMINAL 34  
TERMINAL 35  
TERMINAL 68  
1
No Connect on the NI 7830R  
Figure 5. NI 783xR/784xR/785xR 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 device 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 R Series Intelligent DAQ Specifications, available at ni.com/manuals.  
Getting Started with R Series Intelligent DAQ  
6
ni.com  
 
 
The +5V terminals on the I/O connector supply +5 V referenced to D GND. Use these terminals to  
power external circuitry. All NI 78xxR devices are equipped with a fuse to protect the supply from  
overcurrent conditions. Refer to the R Series Intelligent DAQ User Manual, available at ni.com/  
manuals, for information about the device-specific fuses.  
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 NI 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 NI SCB-68 terminal  
block to provide higher signal integrity and noise  
immunity.  
SH68-C68-S  
0, 1, 2  
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 783xR/784xR/785xR 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.  
For detailed information about connecting I/O signals, refer to the NI R Series Intelligent DAQ User  
Manual, available at ni.com/manuals.  
© National Instruments Corporation  
7
Getting Started with R Series Intelligent DAQ  
 
   
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 783xR/784xR/785xR device.  
Note Examples available for your device are dependent on the device-specific minimum software  
requirements. For more information on software requirements for your device, refer to Step 1. Install  
Application Software and Driver.  
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 may not be 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.  
Getting Started with R Series Intelligent DAQ  
8
ni.com  
 
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.  
© National Instruments Corporation  
9
Getting Started with R Series Intelligent DAQ  
 
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.  
Getting Started with R Series Intelligent DAQ  
10  
ni.com  
 
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 section 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.  
© National Instruments Corporation  
11  
Getting Started with R Series Intelligent DAQ  
 
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  
the LabVIEW FPGA Module, describes new features, and provides upgrade information.  
To access this document, refer to ni.com/manuals. In LabVIEW 8.0 or later, you can  
also view the LabVIEW Manuals directory that contains this document by selecting Start»  
All Programs»National Instruments»LabVIEW»LabVIEW Manuals.  
Getting Started with R Series Intelligent DAQ  
12  
ni.com  
 
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.  
You can also access device-specific examples by selecting Add device from the Hardware  
pull-down menu in the NI Example Finder window.  
Note If you are using the NI Example Finder for NI 784xR/785xR devices, you can select any  
NI 7831R/7833R device from the Select devices to find examples for list and reconfigure the  
example for your NI 784xR/785xR target.  
NI R Series Intelligent DAQ User Manual—Describes the electrical and mechanical aspects of the  
NI 78xxR R Series devices, and contains information about R Series device operation and  
programming. To access this document, refer to ni.com/manuals.  
NI R Series Intelligent DAQ Specifications—Lists the specifications of the NI 78xxR R Series  
devices. To access this document, refer to ni.com/manuals.  
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:  
Australia 1800 300 800, Austria 43 662 457990-0, Belgium 32 (0) 2 757 0020,  
Brazil 55 11 3262 3599, Canada 800 433 3488, China 86 21 5050 9800,  
Czech Republic 420 224 235 774, Denmark 45 45 76 26 00, Finland 358 (0) 9 725 72511,  
France 01 57 66 24 24, Germany 49 89 7413130, India 91 80 41190000, Israel 972 3 6393737,  
Italy 39 02 41309277, Japan 0120-527196, Korea 82 02 3451 3400, Lebanon 961 (0) 1 33 28 28,  
Malaysia 1800 887710, Mexico 01 800 010 0793, Netherlands 31 (0) 348 433 466,  
New Zealand 0800 553 322, Norway 47 (0) 66 90 76 60, Poland 48 22 3390150,  
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 Corporation  
13  
Getting Started with R Series Intelligent DAQ  
 
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 media, or  
ni.com/patents.  
© 2003–2008 National Instruments Corporation. All rights reserved.  
373256F-01  
Apr08  
 

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