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error -9 Open interface error : DLL connect interface function failed. Errorcode: -9 GCS Error: There is no interface or DLL handle with the given ID

Hello,

I get the following error -9 on my Labview program when i try to control a PI stage controller with a VI.

 

Open interface error: DLL connect interface function failed.  Errorcode: -9 GCS Error: There is no interface or DLL handle with the given ID

 

The program was working fine till this error occured suddenly. I inherited this pre-written program from a post-doc but nothings changed and its been working fine before.

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HI dhruva88,

 

did you have made any updates before the Error has occured?

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I shut down the VI, power cycled the controller, and it works again.  Nuisance, that.

 

I'm using E-816 controller inside a E665 amp/servo.  Please include hardware, as sometimes it's more specific than just the manufacturer of a device.

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We are experiencing this same error and have also found that a reset of the controller or even restarting LabView solves this problem.

 

Have you found the cause of the error or a solution?

 

Kind regards,

Ronald Ligteringen

Delft University of Technology

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When I used the labview program written by the post-doc in the laboratory to control the PI C-863 controller for the experiment of single molecule magnetic forceps, it ran normally at the beginning, but suddenly labview could not detect PI C-863, and error-9 was reported: GCS Error: There is no interface or DLL handle with the given ID.
I would like to ask you how you can solve this problem. My sincere thanks to you!

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