NI-7935R Getting Started Guide
Contents
1. PCB Secondary Side GND G21 J G21 GPIO_CC_38_n sao S114 GPIO_CC_38 s39 s113 GND G20 G20 GPIO_39_n S38 S112 GPIO_39 S37 S111 GND G19 Gi9 GPIO_40_n S36 S110 GPIO_40 S35 S109 GND G18 G18 GPIO_41_n S34 S108 GPIO_41 S33 S107 GND G17 _Gi7 oO GPIO_42_n S32 S106 x GPIO_42 S31 S105 g and G16 G16 a GPIO_43_n 30 5104 GPIO_43 S29 S103 GND G15 G15 GPIO_44_n S28 S102 GPIO_44 S27 S101 GND G14 G14 GPIO_45_n S26 S100 GPIO_45 25 S99 GND G13 13 GPIO_46_n 24 S98 GPIO_46 23 S97 GND G12 G12 GPIO_47_n 22 596 T GPIO_47 21 S95 Le GND Git Git g GPIO_48_n 20 594 GPIO_48 S19 593 GND Gio G10 GPIO_49_n S18 592 GPIO_49 S17 s91 GND G9 G9 GPIO_CC_50_n 16 S90 GPio_cc_50 S15 S89 GND G8 cs GPIO_51_n 14 588 GPIO_51 13 587 GND G7 G7 ai GPIO_52_n 12 586 Y GPIO_52 Sit 585 57 GND G6 G6 fea GPIO_53_n S10 S84 GPIO_53 s9 S83 GND G5 G5 GPIO_54_n s8 S82 GPIO_54 S7 Sat GND G4 G4 GPIO_55_n s6 S80 GPIO_55 s5 79 GND G3 G3 GPIO_56_n S4 578 GPIO_56 53 577 GND G2 G2 GPIO_57_n S2 576 GPIO_57 S1 575 GND at Gi NI 7935R Getting Started Guide National Instruments PCB Primary Side GND 7 GPIO_CC_14_n GPIO_CC_14 GND GPIO_15_n GPIO_15 GND GPIO_16_n GPIO_16 GND GPIO_17_n GPIO_17 GND GPIO_18_n GPIO_18 GND GPIO_19_n2. G36 GPIO_24_n S68 S142 GPIO_24 S67 S141 GND G35 G35 GPIO_25_n S66 S140 GPIO_25 S65 S139 GND G34 G34 GPIO_CC_26_n S64 S138 GPIO_CC_26 S63 S137 GND G33 G33 GPIO_27_n S62 S136 GPIO_27 S61 S135 GND G32 G32 GPIO_28_n S60 S134 GPIO_28 59 S133 GND G31 G31 GPIO_29_n S58 S132 GPIO_29 57 S131 GND G30 G30 GPIO_30_n S56 S130 GPIO_30 55 S129 GND G29 G29 GPIO_31_n 54 S128 GPIO_31 53 S127 GND G28 G28 GPIO_32_n 52 S126 GPIO_32 51 S125 GND G27 G27 GPIO_33_n S50 S124 GPIO_33 S49 S123 GND G26 G26 GPIO_34_n S48 S122 GPIO_34 S47 S121 GND G25 G25 GPIO_35_n S46 S120 GPIO_35 S45 S119 GND G24 G24 GPIO_36_n S44 S118 GPIO_36 843 S117 GND G23 G23 GPIO_37_n S42 S116 GPIO_37 S41 S115 GND G22 G22 PCB Primary Side 3 3V SCL TB_Present 12V Veco RSVD GND lOModSyncClk_n OModSyncClk GND GPIO_O_n GPIO_O GND GPIO_1_n GPIO_1 GND GPIO_CC_2_n GPIO_CC_2 GND GPIO_3_n GPIO_3 GND GPIO_4_n GPIO_4 GND GPIO_5_n GPIO_5 GND GPIO_6_n GPIO_6 GND GPIO_7_n GPIO_7 GND GPIO_8_n GPIO_8 GND GPIO_9_n GPIO_9 GND GPIO_10_n GPIO_10 GND GPIO_11_n GPIO_11 GND GPIO_12_n GPIO_12 GND GPIO_13_n GPIO_13 GND
3. 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 StartAll Programs National Instruments NI FlexRIO NI Contains information about how to create custom adapter modules for use with FlexRIO FPGA FlexRIO Adapter Module modules Development Kit Documentation LabVIEW Examples Available in NI Example Finder Contains examples of how to run In LabVIEW click Help Find FPGA VIs and Host VIs on your Examples Hardware Input device and Output FlexRIO IPNet Located at ni com ipnet 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 Safety Guidelines A Caution You can impair the protection provided by the NI 7935R if you use it in a 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 p
4. 1 Phillips screwdriver e A small flat blade screwdriver Straight through shielded Ethernet cable if connecting to a network or crossover shielded Ethernet cable if connecting directly to a PC Unpacking the Kit Caution To prevent electrostatic discharge ESD from damaging the device 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 the device from the package and inspect the device for loose components or any other sign of damage i Caution Never touch the exposed pins of connectors LabVIEW 2015 FlexRIO Support 2015 LabVIEW Real Time 2015 and LabVIEW FPGA 2015 are the earliest versions of software that support the NI 7935R NI 7935R Getting Started Guide National Instruments 5 ei Note Do not install a device if it appears damaged in any way 3 Unpack any other items and documentation from the kit Store the device in the antistatic package when the device is not in use Preparing the Environment Ensure that the environment you are using the NI 7935R in meets the following specifications Operating temperature IEC 60068 2 1 0 C to 55 C IEC 60068 2 2 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 ei Note Refer to the N 7935R Spec
5. 100 ft The lengths of Ethernet cables and optical SFP cables are not limited a A Caution The USB device port is intended only for use in device configuration application deployment debug and maintenance Verifying the System Requirements To use the NI 7935R 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 4 nicom NI 7935R Getting Started Guide Whal You Need to Get Started The NI 7935R shipping kit which includes the following components The NI 7935R device FlexRIO Support DVD 4 Note FlexRIO Support 15 1 is the earliest supported driver for the NI 7935R NI 7935R Getting Started Guide this document Power screw terminal connector plug A to Mini B device port USB cable e A host computer running Windows with NI software installed in the following order Note Visit ni com info and enter the Info Code rdsoftwareversion to determine which software versions you need to use the NI 7935R and supported FlexRIO adapter modules LabVIEW LabVIEW Real Time LabVIEW FPGA FlexRIO Support e ADC power supply as described in the N 7935R Specifications e A FlexRIO adapter module or custom adapter module optional e A number 2 Phillips screwdriver e A number
6. Adapter Module Skip this section if you are not using a FlexRIO adapter module 8 nicom NI 7935R Getting Started Guide 1 Gently insert the guide pins and the high density card edge of the FlexRIO adapter module into the corresponding connectors of the NI 7935R The connection may be tight but do not force the adapter module into place 2 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 Figure 2 NI 7935R with FlexRIO Adapter Module Refer to the getting started guide for your adapter module for more information about your adapter module including programming information Configuring the System in Measurement amp Automation Explorer MAX After connecting the NI 7935R to the host computer complete the following steps to configure the system for the first time in MAX 1 Launch MAX on the host computer 2 Expand Remote Systems in the MAX configuration tree and select the system MAX lists the system as the model name followed by the serial number such as NI 7935R 030521C9 Related Information Why Doesn t the Device Appear in MAX on page 13 NI 7935R Getting Started Guide National Instruments 9 Setting a System Password Complete the following steps to set a system password Note Setting a system password is optional Note The default username for the NI 7935R is adm
7. GPIO_19 GND GPIO_20_n GPIO_20 GND GPIO_21_n GPIO_21 GND GPIO_22_n GPIO_22 GND GPIO_23_n GPIO_23 GND GPIO_58_n GPIO_58 GND GPIO_59_n GPIO_59 GND GPIO_CC_60_n GPIO_CC_60 GND GPIO_61_n GPIO_61 GND GPIO_62_n GPIO_62 GND GPIO_63_n GPIO_63 GND GPIO_64_n GPIO_64 GND GPIO_65_n GPIO_65 GND GPIO_66_n GPIO_66 GND GPIO_67_n GPIO_67 GND Bank 1 Bank 2 15 Worldwide Support and Services The National Instruments website 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 Visit ni com services for NI Factory Installation Services repairs extended warranty and other services Visit ni com register to register your National Instruments product Product registration facilitates technical support and ensures that you receive important information updates from NI A Declaration of Conformity DoC is our claim of compliance with the Council of the 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 National Instruments corp
8. GETTING STARTED GUIDE NI 7935R 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 Documentations cA siirron aSa Miaka nies EEES PETAS i 2 Safety Guidelines ceceeesesceeeseeeceeeeeees sut Electromagnetic Compatibility Guidelines ccccececcecceseeseesecsecseeeeeseeseeseeseeseeeeceeeseeeteeeaees 4 Verifying the System Requirement cccesessescsseseeecseeeceecseeecsececsecseseceecessecsecevsecasesaesaneeeas 4 What You Need to Get Started esnai ficient ens tatiana atresia aed 5 Unpacking the Kit so Preparing the Environment 6 Wiring Power to the NIET935R svccesssdetsssseses ssssvciousveteaavedecisssnotesdusas eour eroe RUSL Rt Sipain SO ERROREEN EE 6 Powering o the NI 793 5R S 7 STATUS LED suiriri sirere eE e OEE EAEE AEEA Eit 7 NATIONAL INSTRUMENTS Connecting the NI 7935R to the Host Computet cccceccecessesseeeceeceeceseeseeaeceeceesaeeseeaeeeeeeeees 8 Installing the FlexRIO Adapter Module cecssescssscescrseececeeeecnesecsecsesecseceesecseeevaeeeseesaees 8 Configuring the System in Measurement amp Automation Explorer MAX sccseseseeeee 9 Setting a System PASS wr sesccccs css cassccessdecassavesveswesscescl acdecasdastastessacsacsaescesacedecvesdeasentebss 10 Ins
9. Guide National Instruments 17 Refer to the NI Trademarks and Logo Guidelines at ni com trademarks for information on NI trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies For patents covering NI products technology refer to the appropriate location Help Patents in your software the patents txt file on your media or the National Instruments Patent Notice at ni com patents You can find information about end user license agreements EULAs and third party legal notices in the readme file for your NI product Refer to the Export Compliance Information at ni com legal export compliance for the NI global trade compliance policy and how to obtain relevant HTS codes ECCNs and other import export data NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS U S Government Customers The data contained in this manual was developed at private expense and is subject to the applicable limited rights and restricted data rights as set forth in FAR 52 227 14 DFAR 252 227 7014 and DFAR 252 227 7015 2015 National Instruments All rights reserved 374951B 01 Sep15
10. connectors buttons and LEDs NI 7935R Getting Started Guide National Instruments 13 Figure 3 NI 7935R ENT TEE TTT lt JJ 10 V7 Fhaguennngn H FLqauanneny f 1 TRIG 7 LED indicators 2 REF CLK 8 Reset 3 Storage SD card 9 DC power source 4 USB device port 10 FlexRIO adapter module connector 5 USB host 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 Figure 4 NI 7935R LEDs Status LED FPGA User RT User LED LED 14 nicom NI 7935R Getting Started Guide NI 7935R Module Signals The following figure shows the available signals on the NI 7935R Bank 0 L PCB Secondary Side 3 3V P1 P1 SDA S74 S148 TB_Power_Good S73 S147 12V p2 P2 Veco 72 S146 Veeprom S71 S145 GND G37 G37 TDC_Assert_CLK_m S70 S144 TDC_Assert_CLK S69 S143 GND G36
11. entation Locations and Descriptions Document Location Description Getting started guide Available from the Start menu Contains installation instructions for your controller for and at ni com manuals for your FlexRIO system FlexRIO Specifications Available from the Start menu Contains specifications for your document for your and at ni com manuals controller for FlexRIO controller for FlexRIO Getting started guide Available from the Start menu Contains signal information for your adapter and at ni com manuals examples and CLIP details for module your adapter module Specifications Available from the Start menu Contains specifications for your document for your and at ni com manuals adapter module adapter module LabVIEW FPGA Embedded in LabVIEW Help Contains information about the Module Help and at ni com manuals basic functionality of the LabVIEW FPGA Module 2 nicom NI 7935R Getting Started Guide Table 1 FlexRIO Documentation Locations and Descriptions Continued Document Location Description 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 FlexRIO Help
12. ersion of FlexRIO Support installed on the host computer Check the USB cable connections at the NI 7935R and host computer Check the Ethernet cable connections at the host computer and router If you have network firewalls or other security software enabled try temporarily turning them off You may also need to add an exception for MAX In Windows 7 select Start Control Panel System and Security Windows Firewall Allow a program through Windows Firewall Click Allow another program select Measurement amp Automation click Add then click OK Ensure that UDP port 44525 is open to communication on the host computer If you are using an intelligent switch on the network ensure that it is not disabling UDP port 44525 Hold down the RESET button for 5 seconds to reboot the target into safe mode This prevents a real time app from running Sometimes a malfunctioning real time app prevents network communication Check the Device Manager to ensure the National Instruments USBLAN adapter is recognized In Windows 7 select Start Control Panel Device Manager Network adapters National Instruments USBLAN adapter If the USBLAN adapter is not recognized you must reinstall FlexRIO Support Ensure that the Ethernet cable is connected correctly Related Information Configuring the System in Measurement amp Automation Explorer MAX on page 9 Appendix Front Panel NI 7935R Front Panel The following figure shows the NI 7935R front panel
13. ew the adapter module 4 Remove the adapter module Troubleshooting the NI 7935R Related Information Connecting the NI 7935R to the Host Computer on page 8 Why Can t the NI 7935R Communicate with the Network 1 Connect cables from your device to the host computer a Ifyou 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 x 2 If you cannot power down the NI 7935R use the System Configuration application programming interface API to disable power to the adapter module 12 nicom NI 7935R Getting Started Guide b Ifyou are using the ethernet port use an ethernet to connect the ethernet port to the host computer In MAX expand your system under Remote Systems Select the Network Settings tab to configure the IP and other network settings 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 x x The host computer communicates with the NI 7935R over a standard Ethernet connection Why Doesn t the Device Appear in MAX If you cannot find the NI 7935R in MAX complete the following steps Ensure you have the correct v
14. ifications 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 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 ei Note You can latch the power plug to the NI 7935R using two screws tightened to 0 20 to 0 25 N m 1 8 to 2 2 1b in of torque The maximum wire gage accepted by the power connector plug is 16 AWG You must use a stripped wire length of 10 mm 394 in When the POWER LED on the front panel is lit green the device is powered The NI 7935R has reverse voltage protection Complete the following steps to connect a power supply to the NI 7935R 1 Ensure the power source is turned off 2 Connect a positive wire to the positive terminal of the power connector plug and connect a negative wire to the negative terminal of the power connector plug 6 nicom NI 7935R Getting Started Guide 1 Positive terminal 2 Negative terminal 3 No connect 3 Install the power connector on the front panel of the NI 7935R 4 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 con
15. in There is no default password for the NI 7935R so you must leave the password field blank when logging in until you set a system password 1 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 If you have not installed Microsoft Silverlight NI Web based Configuration amp Monitoring prompts you to do so Enter a unique name for your system in the Hostname field Click the Security Configuration icon Click Login In the Login dialog box enter the username admin and leave the password field blank Click OK Click Change Password Enter and re enter a new password Click OK Click Save Click OK to confirm you are changing the password NS OO EON Ps ee eS jend Oo A Caution NI cannot recover lost system passwords If you forget the password you must contact NI and reformat the controller Installing Software on the NI 7935R 1 Open Measurement amp Automation Explorer MAX 2 Expand the system under Remote Systems by clicking the arrow beside it 3 Select Software 4 Click Add Remove Software at the top of the Software tab to launch the LabVIEW Real Time Software Wizard ei Note A login window appears if you set a system password Select a recommended software set to install 6 Click Next 10 nicom NI 7935R Getting Started Guide 10 The recommended software set is
16. orate headquarters is located at 11500 North Mopac Expressway Austin Texas 78759 3504 National Instruments also has offices located around the world For telephone support in the United States create your service request at ni com support or dial 1 866 ASK MYNI 275 6964 For telephone support outside the United States visit the Worldwide Offices section of ni com niglobal to access the branch office websites which provide up to date contact information support phone numbers email addresses and current events Where to Go Next Refer to the following figure for information about other product tasks and associated resources for those tasks 16 nicom NI 7935R Getting Started Guide EXPLORE LEARN CREATE the application development about the capabilities of custom applications within an environment ADE your hardware with device application programming appropriate for your application specifications interface API KJ Lo S Getting Started with NI 7935R FlexRIO Support FlexRIO Examples LabVIEW Specifications LabVIEW FPGA Q FlexRIO Help Module Help NI 7931 7932 7935 User Manual LabVIEW Real Time Module Help Q FlexRIO Help DISCOVER more about your products through ni com B Support FlexRIO oO Services 4 Updates mri ni com support ni com flexrio a gt ni com services J ni com updates Q Located online at ni com manuals Located using the NI Example Finder NI 7935R Getting Started
17. preselected from the list of software add ons Check any additional software add ons you want The System State Publisher for example makes monitoring system performance simple Note You can use the LabVIEW Real Time Software Wizard to install more software add ons later The FlexRIO 15 0 Recommended Software Set is enough to get started Click Next Review the summary of software to install Click Next to begin the update Wait for the installation to finish and then click Finish Peang the NI 7935R to a LabVIEW Project Launch LabVIEW The LabVIEW Getting Started window appears Click Create Project or open an existing project Right click the project root in the Project Explorer window and select New Targets and Devices from the shortcut menu to display the Add Targets and Devices dialog box a Ifthe hardware is connected to the host select Existing target or device Select the NI 7935R under Real Time FlexRIO and click OK b Ifthe hardware is not connected to the host select New target or device Select the NI 7935R under Real Time FlexRIO and click OK Right click the target and select New FPGA Target The FPGA target appears in the project under the Real Time target Adding a FlexRIO Adapter Module to the Target Skip this section if you are not using an adapter module 1 Expand the FPGA target by clicking the button then right click IO Module and select Properties Select the General category and check
18. roduct specifications These requirements and limits 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 changes or modifications to the product not expressly approved by National Instruments could void your authority to operate it under your local regulatory rules A Caution To ensure the specified EMC performance operate this product only with shielded cables and accessories The DC power input cables and optical SFP cables may be unshielded Caution To ensure the specified EMC performance you must use an isolated cable with the SFP ports Caution To ensure the specified EMC performance the length of any cable connected to the TRIG ports and REF CLK ports must be no longer than 3 m 10 ft The length of copper cables connected to the SFP ports must be no longer than 3 m 10 ft The length of cables connected to the USB device ports or host ports must be no longer than 30 m
19. talling Software on the NI 7935R cccccsecsescessesseeseescesceseeseeseseeceeceeceasaeeaecaecaesaeeseeaeeess 10 Adding the NI 7935R to a LabVIEW Project ccecssccesesescssesceeceeecsesseeecseseceecassecseseeeeens 11 Adding a FlexRIO Adapter Module to the Target ccsccsccsesseseesecsecseeeeeeeeeeeeeeeees 11 Programming OP ONS inie ie ERE EREA A E E 11 Programming with LabVIEW cccccsseescescescesseseesecsecsecseesceseeeeeeeeeeeeseeseeeeeeeserseeeeaes 12 Text based Programming ccccccccssessessessesseeseeseeseeseeeeecececesesseeaecaeceecaaeaaeaeecsecaeeneeas 12 Removing the Adapter Module cccccscessessessessesscescesceseeseeseceeceeceacsaesaecaecaecaeeaeeaeeeeseesersnees 12 Troubleshooting the NI 7935R ceccesssssceeceeceseeseesecseesecseeseeseees 12 Why Can t the NI 7935R Communicate with the Network see 12 Why Doesn t the Device Appear in MAX oo eee ceeeesesesseeseeeeseerseseseescsetacaesetecsaeaeees 13 Appendix Front Panel isci scagisssadactestatis sas sicscprevseistisistisatsvasscesas deren de sesnveaasvasaae cia cebestes 13 INI 7935R Front Panele ases oea ae cpeusd she ERT a TR E EEE 13 Worldwide Support and Services ccccesseseecesesseeceseeeensesesseeeeceeeseeecsaeaceeceeeecaesateeceeseeeeens 16 Where to GO NOX tas cited sos ses deesccdelensesdlbedesinuts avs cus deustusuese saps il dveden ch canaus favanedawepbtiusne seeped cansouse 16 FlexRIO Documentation Table 1 FlexRIO Docum
20. the Enable IO Module box 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 FPGA LabVIEW FPGA NI 7935R Getting Started Guide National Instruments 11 Programming with LabVIEW The Controller for FlexRIO examples provide a starting point for programming with LabVIEW To access these examples open LabVIEW and select Help Find Examples Hardware Input and Output Controller for FlexRIO For more detailed instructions about programming the NI 7935R with LabVIEW refer to the NI 793 1R 7932R 7935R User Manual Related Information FlexRIO Documentation on page 2 Text based Programming You can target the NI 7935R Linux Real Time operating system from text based development environments such as C and C Related Information For more information about text based programming refer to the Getting Started with C C Development Tools for NI Linux Real Time Eclipse Edition tutorial Removing the Adapter Module Complete the following steps to remove an adapter module from the NI 7935R 1 Disconnect all cables to the adapter module 2 Power off the NI 7935R 3 Unscr
21. to solve the memory usage issue Continuously The controller has not booted into NI Linux Real Time The flashing controller either booted into an unsupported operating system was interrupted during the boot process or detected an unrecoverable software error Solid The controller is booting up Continuously This indicates a hardware error An internal power supply has failed flashing Check front panel I O and adapter module connections for shorts Remove any shorts and power cycle the controller If the problem persists contact National Instruments Off 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 1 Power on the host computer 2 Connect the NI 7935R to the host computer using the USB A to B cable Note Alternatively you can use the RJ 45 Ethernet port to connect the NI 7935R to the host computer The device driver software automatically detects the NI 7935R If the device driver software does not detect the NI 7935R verify that you installed the appropriate NI software in the correct order on the host computer Q Tip You can also use the Ethernet port to connect directly to the host computer or network Refer to the user manual on ni com manuals for more information about Ethernet connections Related Information Troubleshooting the NI 7935R on page 12 Installing the FlexRIO
22. troller boots into safe mode The POWER LED illuminates the STATUS LED illuminates briefly and then the STATUS LED blinks twice every few seconds After you install software on the controller subsequent reboots will boot the controller into the NI Linux Real Time operating system You can optionally configure the NI 7935R to launch an embedded stand alone LabVIEW Real Time application each time you boot the controller STATUS LED The STATUS LED is off during normal operation The NI 7935R indicates specific error conditions by flashing the STATUS LED a certain number of times every few seconds as shown in the following table LED State Indication 2 flashes every few There is no software installed which is the out of box state or the seconds controller has detected an error in its software An error can occur when an attempt to upgrade the software is interrupted Refer to the MAX Help for information about reinstalling software on the controller 3 flashes every few The controller is in safe mode Refer to the MAX Help for seconds information about safe mode NI 7935R Getting Started Guide National Instruments 7 LED State Indication 4 flashes every few The software has crashed twice without rebooting or cycling power seconds between crashes This usually occurs when the controller runs out of memory Review your Real Time VI and check the memory usage Modify the VI as necessary
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