The engine through series control

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• reverse the direction of the engine

  Hi, I need help with the following:

  Detection time and the weft: sensor of the LDR (photocell) should be able to detect whether it is day and night (light or dark). During the day, if the Sun is so bright, special curtains should automatically shadow through the engine temperature sensors. During the night, curtains must be retrieved automatically. Note that the user has the ability to override decisions could make about deployment or recovering curtains.

  I did a job on the vi program. However I don't know how to reverse the direction of the engine through labview. I'm controlling the speed of the motor using function (1 sample of Charron 1) freq counter DAQmx writing a command button. So I can't specify a negative cycle. Any suggestions?

  My labview code is attached.

  Thanks for the reply. I solved the problem by using a component electric H bridge and related lines Mydaq DO0 DO1

• How to control the speed of the engine without tachometer

  Hello world

  Thanks for stopping by and have a look at my problem

  I have a PCI7344, UMI7764, DC motor, encoder and drive motor. Everything works fine. Currently, this system allows me to control the motor through feedback from encoder (which means, first I set my target position, and the engine will run to some targets detected by the encoder position).

  What I want to do now is to control the speed of the engine, however, I don't have a tachometer feedback, since my speedometer only allow me to display the number of LAPS. is anyway that I can do this (control and maintain the speed of the engine at a certain RPM value) with all the listed facilities I have. Can someone help me on this?

  Thanks in advance for any suggestion and recommendation.

  Using LabVIEW, engine behavior will not change. If you see massive oscillations, my first guess is that should change your settings of PID. Please refer to this document and the other pages that are linked.

  Jochen

• Powder dosing machine? Direct control of the engines?

  Hello world

  I hope it was not shown below, but I start my worki with nxt and labviev and a certain problem.

  I want to build a dosing of powder, which consists of two conductors of powder (driven by motors) and the weight of lab controlled by RS232.

  The goal is to be able to make precise mixtures in order to weigh the empty box of weight, tare, and then adds a charger of the weight of the powder (A) checks how much gave - if not enough adds some etc... etc... continued with 2 powder and mix to...

  The problem is that I know that I can write the labview NXT program to run the NXT brick, but it would be very complicated to use - the best way would be to take direct control over the engine via NXT - therefore when I want the engine to move a few degrees it should not start the program in the nxt brick do the program level LAbview... IS this possible? Can I use brick NXT as a controller of engine itself?

  Thank you

  Marek

  Marek,

  This is possible in 2009 in Module NXT and NXT earlier toolkits.  In 2009, just write your code NXT in a VI that is not the target of the NXT (e.g. it is targeted at the Instance of the Application My Computer/hand).  The VI NXT know when they are targeted on the computer and automatically send direct orders to the NXT brick via USB or Bluetooth.

  In previous versions of the tool NXT, you must use the Direct screw of NXT to accomplish the same task, which is not as transparent as the new method, but all works the same.  Please let us know if you have any questions about how to apply this.

  See you soon,.

• A USB from a PXI power control, turn the engine in real time

  Hello

  I need a USB of my target in time power control real (PXI) who installed the engine time real Labview (no windows installation).

  If I'm not mistaken, this is not possible with the USB port on the controller (NI PXI-8108) that I have not installed windows to recognize the device.  As far as I could see, it looks like I need to buy a special card for PXI that allows me to interact with USB devices.

  Is there someone who came across such an environment to see if it's the right approach?

  Thank you very much

  Dani

  

  For those who are interested, in order to control the USB equipment, the following requirements is necessary for a Phar Lap ETS RT OS operating system:

  In time real LabVIEW 2011 or higher
  VISA, 5.1 or higher

  http://digital.NI.com/public.nsf/allkb/5F30CD20D4D986CC862576CF00748B15

  http://digital.NI.com/public.nsf/allkb/ED3790E56FE969F8862575C30076063C?OpenDocument

  The upgrade of the system and the second link will allow such equipment.

  

• The volume of the recorded sound is very low when played. I tried to solve the problems through Control Panel of configuration-sound options and increased the volume to 100 form my mic too. All the other volume options, it's 100 too. It has no effect. Hel

  The volume of the recorded sound is very low when played. I tried to solve the problems through Control Panel of configuration-sound options and increased the volume to 100 form my mic too. All the other volume options, it's 100 too. It has no effect. Help needed ASAP

  Hello

  Control Panel - SOUNDS - Audio peripheral devices configuration-manager

  Make sure you write down the description and model double click top - tab drivers - write version. Now
  Click on update drivers who cannot do anything like MS is far behind the certification of drivers. Then RIGHT
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  If your driver shows 06 you have the default windows and part of the question.

  Go to the system manufacturer's website and get the latest Audio/Sound drivers - download - SAVE - go to the place where you
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  Check the Version on the tab of the driver in the device as a sound Manager often restoring drivers, then install
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  http://pcsupport.about.com/od/driverssupport/HT/driverdlmfgr.htm

  How to install a device driver in Vista Device Manager
  http://www.Vistax64.com/tutorials/193584-Device-Manager-install-driver.html

  ---------------------------------------------------------

  After the updated driver.

  Click with the right button on the speaker near clock - recorders - right click in the box - check show disconnected devices
  and show disabled devices - check your micro - highlight them, then lower right properties. Do
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  Also in the search for some Audio Manager Panel (perhaps named after the manufacturer of the sound driver). Mine
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  How to activate Audio devices hidden in Vista
  http://www.Vistax64.com/tutorials/143447-audio-device-enable-hidden-devices.html

  Connect one microphone, music player or other audio device to your computer
  http://windowshelp.Microsoft.com/Windows/en-us/help/b0e3d7fb-1b4a-4926-8254-65da289209261033.mspx

  Problems with sound and audio or no sound - a Mr Fixit
  http://support.Microsoft.com/GP/NO_SOUND

  I hope this helps.

  Rob - bicycle - Mark Twain said it is good.

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• Speakers have stopped working on the Satellite a series

  I have a laptop satellite - not sure what mono - speakers have stopped working and are unable to turn back.

  Have tried checking volumen and none controls mute buttons are slected. tested and it says ther no problem but still no sound. have uninstalled the driver and reinstalled - what else can I try?

  > have a portable satellite - not sure that we
  Roll on Notepad and check the label at the bottom of the unit. You will find the name of the laptop!

  > Speakers have stopped working on the Satellite a series
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• How to implement Canopen on FPGA to run the engine using NOR-9881?

  Dear,

  Your support will be highly appreciated,

  There is only one available for NOR-9881 example.
   
  Please note that the following materials were properly connected:
  cRIO-9024, cRIO-9113, OR-9881 and motor Nanotec (SMCI36 against L2818L0604-T5X5), the following
  sites Web shows the engine Nanotec in details:
   
  http://us.Nanotec.com/products/660-L28-linear-actuators-with-trapezoid-spindle/
   
  http://us.Nanotec.com/products/1041-SMCI36-stepper-motor-and-BLDC-motor-position ing-control /
   
  The main problem is how to configure the inputs and outputs, where, in most examples, the entry and exit have been automatically
  configured.
   
  the following three examples and I wonder how to start:

  1 - example Nanotec: dependent VISA controls for data transfer
   
  http://us.Nanotec.com/support/application-notes/LabVIEW-example/
   
  2 - reference example CANopen for series C OR - 9853 Module CAN:
  the NOR-9853 has default Can0 which was used in the code

  http://zone.NI.com/DevZone/CDA/EPD/p/ID/6093
   
  3 - from finder labView example: search for 9881 then choose
  NOR - CANopen_cRIO.lvproj, which depended on SDO orders for transfer orders
   
  The attached picture shows that NEITHER-9881 can be seen, after compilation and
  loading the bitfile FPGA.
   
  Please, please advice me:
  1. how to start?
  2. how to create variables of entry for NI9881?
  3. how to implement CANopen mode FPGA? where there is no CANopen palette.

  Thanks in advance and

  Hello!

  From my understanding, the 9881 can be treated from the FPGA, but only from the application of the RT. I think that the point 3 of your post examples of the use of the module fine.

  Kind regards

  Georg

• Is that what you can get siri on the Apple Watch (series 2) to make a phone call, but on your iPhone, so when you're driving it then would come by phone from car speakers?

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• How can I get the engine move TETRIX VI is back?

  I bought LabVIEW Education Edition 2009 earlier to use with TETRIX for my class. I have since installed LabVIEW 2011, 2013, 2014, and 2015 for FRC teams that I coached. Recently, I tried to reprogram my TETRIX (using NXT) kit, but the VI, I need to order the engines is missing (see screenshot). When I try to install only the Module of NXT from the 2009 original installation DVD, I get the following error:

  OR LabVIEW 2009 LEGO® MINDSTORMS® NXT Module

  Could not install
  LEGO MINDSTORMS NXT x 64 Driver (already installed higher version)
  OR LabVIEW 2009 LEGO MINDSTORMS NXT Module (already installed higher version)

  I hesitate to uninstall all other versions of LabVIEW because of the code of the team. Any suggestions for how I can control my TETRIX components again? See you soon.

  Hi izetetic,

  I don't know why screw has disappeared from your NXT Module. You can uninstall only the NXT Module and then reinstall?

  If this does not work, you can use a more recent version of the Module NXT, now called the MINDSTORMS Module, for a more recent version of LabVIEW: http://www.ni.com/download/labview-nxt-module-2015/5418/en/ . Since you have already installed LabVIEW, this comes for free.

  In versions 2010 and beyond, you must configure the TETRIX engines using the schema editor and then use the IO > engine pallet to program the engines.

• Where lives the logic for the types of flow control step?

  For most types of step, the behavior of the type of the step is determined entirely by the configuration of the stage - that is to say, the properties that can be configured in the window type, such as the properties of the step, steps, etc..  But as far as I know, the behavior of the control flow step types (for example, hop, back at the beginning of a block of loop after a late stage) does not seem to be defined by a lower level, flag, attribute or any other configuration item - it seems to be something inherent to the motor TestStand.

  If this is the case, how the TestStand engine knows to provide the functionality for a particular flow control step type?  It runs the appropriate logic based on the name of the step type?  I suspect that this may be the case, because if I create new types of step in copying the types of step ForEach and end without any changes other than to specify the new name for the beginning of the block and end step types, new types of step repeat not the loops as expected.

  Can someone clear this up for me?  Types of flow control step break the model completely define the features by changing the type of step, or I am simply not find relevant configuration items?  I tried to create a new type of end step that allows an expression pre, but it broke my step ForEach (new) type loopback functionality.  Is it possible to do what I want?

  You are right that the engine processes specially the flow control measures. He looks at the name of step type. If you want the same behavior execution, you must keep the original name of type step as a prefix on your step type name, such as NI_Flow_End_CustomizedByMe.

  Also, check out the http://forums.ni.com/t5/NI-TestStand/copy-of-NI-Flow-End-does-not-work/m-p/290170/highlight/true#M88...

  There is the source code that is similar to what the engine makes the steps of flow control. That was the actual code before it moved into the engine. It might be a bit outdated now. I found this on my machine in C:\Program Files (x 86) \National Instruments\TestStand 2010\Components\StepTypes\FlowControl\

• Error-201314 whenever the engine killed

  Hi guys,.

  I'll build a test bed that takes a few smaller engine size measures. I use the 9188 cDAQ platform and a module in the series C 9401 to get the signal of an encoder that is mounted on the engine. Whenever I kill the engine I get code error-201314 saying the following:

  DAQmx error: sampling Multiple clock pulses have been detected within a period of the
  input signal. Use a sample clock rate that is slower than the input signal. If
  you use an external sample clock, make sure this clock signal is within the j
  Itter and voltage level specifications and seedless.

  The way I have the configuration of the task, it's pulse tachometer to act as an external sample clock and charges against the edges of 20 MHz clock, so I can hardly believe I'm getting any type of engine accelerates faster than the clock of 20 MHz. Anyone has an idea what this message means? So, I wonder if I need to be more careful about the way my reasons are connected.

  Thanks for the help,

  Ryan

  Hi Ryan,

  Small defects on the edge rising or falling of your tachometer signal could be picked up as additional edges.  I suspect that the Act of powering the motor is presenting the noise on the line, whose meter is picking up as the edges in double during transitions.

  The 9188 she supported for digital filtering on the meter inputs - introduced feature in DAQmx 9.4 for the 9188.  You can use the digital filtering to reject any pulses below a certain duration.  From your description, it seems this would be a likely solution to the problem.

  In LabVIEW, you can define a digital filtering of the sample with a property node DAQmx Timing clock signal:

  

  If you use a different API and ill have to find the equivalent property do not forget to let me know.  Remember that if you use a version of DAQmx before 9.4 you will need to update your driver to have the feature available for your 9188.

  Best regards

• The engine fault analysis

  Hi all

  I use a CRIO-9075 with a NI9205 and Ni9263 to control the movement of a hydraulic jack. Activation and position/force signals are analog. I use the library softmotion to create an axis and take advantage of the generator of the trajectory and the control loop to execute in the FPGA.

  I'm running the CRIO using FPGA and like softmotion for independent axis I synchronize RT and FPGA, for which I've read the engine periodically at 100 Hz.

  The problem is that the analytical engine gets in a few seconds in fault mode. To return to the active mode, the only way is to reset electrically the CRIO.

  I have attached an image of a minimal example in which to read the scan engine mode and read two panel controls before FPGA. The analytical engine returns 3 (default mode), but the variables read from the front panel are correct.

  Have the engine of analysis in fault mode I cannot synchronize the RT and FPGA as in the example softmotion.

  Why is my engine entering mode fault with the wrong 66341?

  Thanks in advance

  This is a bug described in the following link with a workaround that works

  http://digital.NI.com/public.nsf/allkb/E2F4F2E4F3A91F6E86257BB9006589D1