Scanning mirror using Thorlabs TDC001 apt-dc servo controller

Hello. I need help with configuring a Labview code controlling a Thorlabs TDC001 apt-dc servo controller. I just need direction on which commands to use to input the parameters of the distance and repetition rate of the stage that the controller is linked to. Attached are two separate codes that myself and a colleague created for the stage. If someome can look at this and offer some helpful tips, that would be appreciated. I am now learning how to use Labview correctly.
Attachments:
example.vi ‏11 KB
attachments.zip ‏24 KB

Hi opticsdude,
I would recommend taking a look at motion examples in the NI Example Finder (you can find this by going to Help>Find Examples in LV).
You can also take a look at the NI Motion Help here. There is also a good article on motion control in general here with lots of related links that you might find useful.

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Control Thorlabs TDC001 without using Activex

Hi ! I'm using thorlabs CR1/M-7 rotating stages with TDC001 contoller , and I'm trying write a simple application in labview to control my device. I have found 'USBRawControl.vi' from NI website, but I have an issue with USB communication. Does anyone here,have written a similar labview vi's to control a stages using USB communications protocols? I'm also using the VISA- test panel in NI MAX but it still doesn't work. Regards, Paul
Attachments:
APT_Communications_Protocol_Rev_9.pdf ‏3226 KB
USBRawControl.vi ‏152 KB

Dear pawelek,
You might be interested in Pyrame. It is a open source framework we actively develop at the CNRS for test benches. It supports Thorlabs APT controllers. As of version 2.1 it supports the LTS300 and LNR50 stages (the latter through a BSC2 controller). Supporting more stages involves just a few lines of code, so If you need something else just contact us.
Pyrame allows you to code your control modules in Python, C, C++, Lua or Bash. From your module you can then interact with Pyrame's modules, such as that of Thorlabs APT (cmd_th_apt).
There's also a module that lets you define forbidden zones of a 3 axis space and it calculates automatically the path between origin and destination to avoid those zones (cmd_paths).
Here is our website with the full documentation and source code.
http://llr.in2p3.fr/sites/pyrame/
Don't hesitate to contact us for further information.
Truly yours,
Miguel Rubio-Roy
Computer research engineer at CNRS

Vi control of Thorlabs TDC001 motor control,need to generate a ref # for ActiveX

I am trying to create a custom program for control of a Thorlabs TDC001 motor controller. The stand alone Thorlabs software works, I also created a Active X window using the Thorlabs software in Labview. I would like to create an automated look with specific directions for the motor. I think my problem is not being able to generate a valid device reference ID at the start of the process to pass to each of the subroutines. Is there a subVI for this?

Hey LIBS,
Unfortunately, I am not familiar with the Thorlabs motor controller or its software's ActiveX interface. When you created the ActiveX window in LabVIEW, were you able to control your motor? Since the control of you motor is all done through ActiveX, the only way to get a device reference would be through the ActiveX interface. You will want to check the properties and methods associated with your Thorlabs ActiveX control to see if there is such a device reference available.
Hope this helps.
-Ben
WaterlooLabs

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Thank you.

When it comes to Keynote, I try and start with a presentation that's 1680 x 1050 preset or something in that range. Most projectors that you'll get at a conference won't project much higher than that and if they run at a lower resolution, it's better to have the device downsize your Keynote. Anything is better than having the projector try and upsize your presentation... you work hard to make it look good, and it's mangled by some tired Epson projector.
As far as slides go, scan them in at 150 dpi or better, and make them at least the dimensions of your presentation. Keynote is really only wanting 72dpi, but I do them at 150, just in case I need to print out the presentation as a handout later, and having the pix at 150 dpi gives me a little help with their quality on a printer.
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Finally, and this is a big one, get to the location for your presentation ahead of time if you can, and plug the laptop in and see what you get. There's always connection problems. Don't let the AV bonehead tell you everything will work just fine ('... I don't have any adapters for a Mac...') . See it for yourself... you're the one that's standing up there. Unless it's your boss, then you better be really sure it works.

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Hi DRP,
I regularly look at both the Vision and Motion boards, so I showed your post to a buddy of mine who does a lot of serial communication. From a programming standpoint, this application looks like its just LabVIEW code to control serial outputs, which (depending on your expertise) might make the project significantly easier. Either way, Craig should be able to help you out on your original thread.
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Message Edited by Jochen on 07-22-2008 04:37 PM

Scanning mirror using Thorlabs TDC001 apt-dc servo controller

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