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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 pac
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Step 1. Install Application Software and Driver Before installing the NI 78xxR, you need to install the application software and device driver. Visit ni.com/info and enter rdsoftwareversion to determine which minimum versions of software you need for the device you are using. Refer to the LabVIEW Release Notes for installation instructions for LabVIEW and system requirements for the LabVIEW software. Refer to the LabVIEW Upgrade Notes for additional information about upgrading to the most re
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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 unplu
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PXI-1000B 1 2 7 6 3 5 4 1 PXI Chassis 4 Injector/Ejector Handle 6 Module Guides 2 PXI System Controller 5 Front-Panel Mounting Screws 7 Power Switch 3NI PXI-78xxR Device 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 comp
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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. 6834 DIO38 DIO39 DIO37 67 33 DIO36 TERMINAL 68 TERMINAL 35 DIO35 66 32 DIO34 65 31 DIO32 DIO33 TERMINAL 34 TERMINAL 1 DIO31 64 30 DIO30 DIO29 63 29 DIO28 62 28 +5V DIO27 DIO26 61 27 +5V 60 26 DGND DIO25 DGND DIO24 59 25 DIO23 58 24 DGND TERMINAL 1 TERM
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6834 DIO39 DIO38 6834 AI0+ AI0– DIO37 67 33 DIO36 AIGND0 67 33 AIGND1 TERMINAL 68 DIO35 66 32 DIO34 66 32 AI1– AI1+ DIO33 65 31 DIO32 TERMINAL 34 AI2+ 65 31 AI2– 64 30 DIO30 DIO31 AIGND2 64 30 AIGND3 DIO28 DIO29 63 29 AI3– AI3+ 63 29 1 1 DIO27 62 28 +5V AI4+ 62 28 AI4– DIO26 61 27 +5V 61 27 AIGND5 AIGND4 1 1 60 26 DGND DIO25 AI5+ 60 26 AI5– 1 1 59 25 DGND DIO24 59 25 AI6– AI6+ DIO23 58 24 DGND AIGND6 58 24 AIGND7 TERMINAL 1 1 1 DIO22 57 23 DGND AI7+ 57 23 AI7– DIO21 56 22 DGND AISENSE 56 22 No C
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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/ , for information about the device-specific fuses. manuals Connectivity Options Accessing the signals on the I/O connectors requires at least one cable and one signal accessory. Table 1 summarizes the Nation
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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 f
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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 bein
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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
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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. P
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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 wiri
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� 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/7
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