Accuracy of the PXI-4110 and aid for the supply of the sweep of the voltage-2, 5V to 2, 5V

Similar Questions

• Sequencing of power through individual PXI-4110

  Hi all

  I have a hardware device that requires a sequence of power-up/power-down very specific in order to work properly and not be damaged.  According to the data sheet for the PXI-4110, he is able to meet the requirements of power, but I use Labview to create a VI of sequencing of power for each channel.

  After investigating the options and study the DCPower examples, I understand how to set each channel, but from what I've seen, real initialization (property Initiate.vi) will supply based on "the instrument handle" alone, rather than undertake each channel of the instrument individually.

  Is there a method to use Labview screws to separate the different channels of the PXI-4110 and control the boot sequence for each channel?

  Thanks for your time.

  Kind regards

  GSinMN

  Hey GSinMN,

  Yes, you would be able to run a loop to increment the output in stages, but of course, the more steps, you have as much time as it takes to achieve your final value.  My concern would be that you go time 200 ms if you had too many steps.  Also, your total rise time will vary depending on your CPU, as well as other processes run you in the background.

  If you compared the rise time on a certain CPU with some process running, probably not having the same rise time when porting your code to another machine.

  It may be useful to ask the manufacturer of laser if they have no indication of what the tour of ramp at the time should look like.  The 4110 is designed to have a fast rise time with minimal excess for most of the charges, but it would be good to understand what they need for their laser.  Maybe is it acceptable to have a fast rise time, as long as the output does not exceed x % of the final value?  Any idea that they have on this would be helpful.

  Please let us know how we can help.

  Thank you!

  Brandon G

• PXI-4110 deactivation and activation of the output

  I'm programmming power CC PXI-4110. I want to activate and deactivate the outputs. I use niDCPower_Disable() to disable the outputs. and the use of niDCPower_Initiate() to activate the outputs. Problem is after I have activate the outputs with niDCPower_Disable() and with niDCPower_Initiate() that I lose all my settings as the output voltage. What I so niDCPower_ConfigureVoltageLevel() and niDCPower_ConfigureCurrentLimit() call before calling niDCPower_Initiate() then outputs are put to the required voltage.

  I want to do is turn on and off just like pushing a button on a Panel.

  For example, I call niDCPower_Disable() to open the relay switch.

  It seems to me like there is a function niDCPower_Enable() which would close this switching relay and not reset all my voltage and current limit settings.

  Any help on the best way to proceed would be appreciated.

  Figured it out using:

  status = niDCPower_ConfigureOutputEnabled (vi_4110_0, channel0Name, VI_FALSE);

  to turn off and then I start with

  status = niDCPower_Initiate (vi_4110_0);

  In this way, my diet is ready to go, but my relay is open.

  When I'm ready to close the relay I follow these steps:
  status = niDCPower_ConfigureOutputEnabled (vi_4110_0, channel0Name, VI_TRUE);

  Then later I want to open the relay call again I have only this:

  status = niDCPower_ConfigureOutputEnabled (vi_4110_0, channel0Name, VI_FALSE);

  Problem solved.

• Current limit for the PXI-4110

  I'm a PXI-4110 with LabWindows programming. I'm trying the current limit. I have an output to 5V with a load resistance of 1 K; This makes the current 5mA. I put the current limit of 2mA to work. When I read the voltage and current is 5V 5mA. Here is my code:

  g_voltageLevel_ch0 = 5.0;

  g_currenLimit_ch0 = 2.0E - 3;

  status = niDCPower_ConfigureOutputFunction (vi_4110_0, channel0Name, NIDCPOWER_VAL_DC_VOLTAGE);
  niDCPower_error_message (vi_4110_0, status, errorMessage);
  status = niDCPower_ConfigureSense (vi_4110_0, channel0Name, NIDCPOWER_VAL_LOCAL);
  niDCPower_error_message (vi_4110_0, status, errorMessage);

  status = niDCPower_ConfigureVoltageLevel (vi_4110_0, channel0Name, g_voltageLevel_ch0);
  niDCPower_error_message (vi_4110_0, status, errorMessage);
  status = niDCPower_ConfigureCurrentLimit (vi_4110_0, channel0Name, NIDCPOWER_VAL_CURRENT_REGULATE, g_currenLimit_ch0);
  niDCPower_error_message (vi_4110_0, status, errorMessage);

  I find that if I put my current limit to channel 0 to 10mA, above the error message disappears. However, I can put the current limit for channels 1 and 2 to 2mA, and I do not have an error message with them. I see nothing in the power supply on a valid range on the current limit. To be clear on what happens if I do this:

  status = niDCPower_ConfigureCurrentLimit (vi_4110_0, channel0Name, NIDCPOWER_VAL_CURRENT_REGULATE, 8-3);

  I get the error "Invalid value for the parameter or property."

  However, if I do this:

  status = niDCPower_ConfigureCurrentLimit (vi_4110_0, channel0Name, NIDCPOWER_VAL_CURRENT_REGULATE, 10th-3);

  I don't get an error.

  Channels 1 and 2 do not have this limit. I went down to 1mA on these channels and no problems.

• OR DC Soft Front Panel, minorbug, small bug with the PXI-4110

  Hello

  The NI DC Soft Front Panel V14.0, with the PXI-4110, scrolling to negative tension, works as expected to-10V, but then returns to 0. If we change from - 1V procedure, it goes...-8-9,-10, -1, -2... instead of-8-9,-10, -11, -12...

  Everything about her, a simple thing that I miss is a switch for all three voltages.

  (Also, IMO, it would be logical for negative tensions with the arrow pointing down, not more).

  My 2 c

  Hello Janaf,

  I completely agree with two of your statements, I tabled a report of corrective measures that you can monitor in the next versions of DCPower to see if this is fixed with the FPS. CAR number: 512257

  I've added notes that only manual insertion of numbers - less than 10 works and that it was not logical to use arrow increment or upward arrow to reduce the output voltage.

• IVI Configuration with the PXI-4110 in TestStand

  Hi all

  Implementation:

  PXI-1033 connected through MXI to a PC running Windows 7. LabVIEW 2014. TestStand 2014 (32 bit). DMM PXI-4110 food and PXI-4070.

  In MAX, I can open two soft signs and two control units and they work great.  In LabVIEW, I can control the two cards as well.

  MAX I put in place a pilot and a logical name for my DMM. This unit works very well within TestStand using one-step IVI DMM.

  I then configure the 4110 to the MAX with a pilot of the IVI and logical name. Here are my settings:

  Name: ni4410_PS

  Material: Immobilization of additional hardware and select the PS. This is checked, any other assets are checked.

  Software module: NOR-DCPower, 4110 is listed as a device supported.

  Virtual names: It is where I am confused, under the name of physics there are four options that arise (0, 1, 2 and 3). This power has only 3 exits, so I'm not sure why four rise. I've done 4 virtual names, one for each of the options. I named the ch0, ch1, ch2 and ch3 respectively.

  When I put a power of IVI step TestStand, everything seems to work. I open the configuration window and set my values for each channel. If I try to validate the configuration by deselecting simulate and click init I do not receive an error.  As soon as I click on 'Set up' or 'Show Soft Front Panel', I get the following error:

  "IVI operation failed set to the name of lgical"OR PS 1'. Details: Possibility of Extention not taken care of by instrument driver. (Base) (- 30717) »

  Any information would be appreciated.  I tried to play with it for a few hours yesterday and a few colleagues trying to help.  We are all under the assumption that it should work.

  Thank you!!

  Jesse

  Hi jesserzamora,

  Did you see this link: http://digital.ni.com/public.nsf/allkb/331F2717DBCD1F858625758200745773?OpenDocument

  It addresses a failure similar to the step of IVI Power Supply of TestStand.

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