NI -7931 Getting Started Manual

NI -7931 Getting Started Manual

Controller for flexrio

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NI-7931

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Summary of Contents for NI NI-7931

  • Page 1 NI-7931...
  • Page 2: Table Of Contents

    ™ Controller for FlexRIO This document describes how to begin using the NI-7935R. Figure 1. NI-7935R Related Information For information about the device specifications, refer to the NI-7935R Specifications at ni.com/manuals. Contents FlexRIO Documentation......................2 Safety Guidelines........................4 Electromagnetic Compatibility Guidelines................4 Verifying the System Requirements..................4...
  • Page 3: Flexrio Documentation

    Programming with LabVIEW..................12 Text-based Programming....................12 Removing the Adapter Module....................12 Troubleshooting the NI-7935R....................12 Why Can't the NI-7935R Communicate with the Network?.......... 12 Why Doesn't the Device Appear in MAX?..............13 Appendix: Front Panel......................13 NI-7935R Front Panel..................... 13 Worldwide Support and Services.................... 16 Where to Go Next........................
  • Page 4 Contains LabVIEW FPGA functions and intellectual property to share. FlexRIO product Located at ni.com/flexrio. Contains product information and page data sheets for FlexRIO devices. Related Information Programming with LabVIEW on page 12 NI-7935R Getting Started Guide | © National Instruments | 3...
  • Page 5: Safety Guidelines

    Safety Guidelines You can impair the protection provided by the NI-7935R if you use it in a Caution manner not described in this document. Electromagnetic Compatibility Guidelines This product was tested and complies with the regulatory requirements and limits for electromagnetic compatibility (EMC) stated in the product specifications.
  • Page 6: What You Need To Get Started

    NI-7935R Getting Started Guide (this document) – Power screw terminal connector plug – A to Mini-B device port USB cable • A host computer running Windows, with NI software installed in the following order: Visit ni.com/info and enter the Info Code rdsoftwareversion Note determine which software versions you need to use the NI-7935R and supported FlexRIO adapter modules.
  • Page 7: Preparing The Environment

    Wiring Power to the NI-7935R The NI-7935R requires a 9 V to 30 V external power supply that meets the specifications in the NI-7935R Specifications. The NI-7935R filters and regulates the supplied power and provides power for the I/O modules.
  • Page 8: Powering On The Ni-7935R

    Turn on the external power source(s). Powering on the NI-7935R When you apply power for the first time to the NI-7935R, the controller boots into safe mode. The POWER LED illuminates, the STATUS LED illuminates briefly, and then the STATUS LED blinks twice every few seconds.
  • Page 9: Connecting The Ni-7935R To The Host Computer

    National Instruments. Normal operation. Connecting the NI-7935R to the Host Computer Complete the following steps to connect the NI-7935R to the host computer using the USB device port. Power on the host computer. Connect the NI-7935R to the host computer using the USB A-to-B cable.
  • Page 10: Configuring The System In Measurement & Automation Explorer (Max)

    The connection may be tight, but do not force the adapter module into place. Tighten the captive screws on the FlexRIO adapter module to secure it to the NI-7935R. The following figure shows the NI-7935R with the FlexRIO adapter module connected.
  • Page 11: Setting A System Password

    . There is no default admin Note password for the NI-7935R, so you must leave the password field blank when logging in until you set a system password. Right-click your system and select Web Configuration. The NI Web-based Configuration and Monitoring utility opens in your default browser and is where you set the password.
  • Page 12: Adding The Ni-7935R To A Labview Project

    Select your I/O module from the IO Modules list, and select the CLIP you want to use from the Component Level IP box. Click OK. Programming Options Refer to the following table for information about how to program the NI-7935R. Component Programming Option(s) Real-Time controller LabVIEW Real-Time or C/C++ Development Tools for NI Linux Real-Time, Eclipse Edition.
  • Page 13: Programming With Labview

    Network? Connect cables from your device to the host computer. If you are using the USB port, use a USB cable to connect the NI-7935R USB device port to a host computer. The USB driver creates a virtual network interface and assigns an IP address to the NI-7935R in the format of 172.22.11.
  • Page 14: Why Doesn't The Device Appear In Max

    (Optional) Use the RJ-45 Ethernet port 1 to reconnect the NI-7935R to the host computer. The NI-7935R attempts to initiate a DHCP network connection at powerup. If the NI-7935R cannot contain an IP address, it connects to the network with a link-local IP address with the form 169.254.
  • Page 15 11. Port 0/Port 1 (SFP+ connectors) 6. 1 Gigabit Ethernet Related Information For more information about the NI-7935R front panel connectors, buttons, and LEDs, refer to the FlexRIO Help. LED Indicators The following figure shows the NI-7935R LEDs in more detail.
  • Page 16 NI-7935R Module Signals The following figure shows the available signals on the NI-7935R. Secondary Side Primary Side Secondary Side Primary Side +3.3V +3.3V S148 GPIO_CC_38_n S114 GPIO_CC_14_n TB_Power_Good S147 TB_Present GPIO_CC_38 S113 GPIO_CC_14 +12V +12V Vcco S146 Vcco GPIO_39_n S112...
  • Page 17: Worldwide Support And Services

    European Communities using the manufacturer’s declaration of conformity. This system affords the user protection for electromagnetic compatibility (EMC) and product safety. You can obtain the DoC for your product by visiting ni.com/certification. If your product supports calibration, you can obtain the calibration certificate for your product at ni.com/calibration.
  • Page 18 LabVIEW Real-Time FlexRIO Help Module Help DISCOVER more about your products through ni.com. Support FlexRIO Services Updates ni.com/support ni.com/services ni.com/updates ni.com/flexrio Located online at ni.com/manuals Located using the NI Example Finder NI-7935R Getting Started Guide | © National Instruments | 17...
  • Page 19 . You can find information about end-user license agreements (EULAs) ni.com/ and third-party legal notices in the readme file for your NI product. Refer to the Export Compliance Information at legal/export-compliance for the NI global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data.

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