# Smart Component Change Attach Parent

**URL:** <https://tech-community.robotics.abb.com/t/smart-component-change-attach-parent/3916>\
**Category:** RobotStudio\
**Created:** [November 15, 2010, 11:34pm UTC](https://tech-community.robotics.abb.com/t/smart-component-change-attach-parent/3916 "2010-11-15T23:34:09Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Lennings](https://avatars.discourse-cdn.com/v4/letter/l/7ea924/32.png) [@Lennings](https://tech-community.robotics.abb.com/u/Lennings)\
**Post date:** [November 15, 2010, 11:34pm UTC](https://tech-community.robotics.abb.com/t/smart-component-change-attach-parent/3916/1 "2010-11-15T23:34:09Z")

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Hi.  
I have a problem that have hunted me for some days now.  
I have Line sensor the set the parent and another line sensor to set the child in a attacher, and it works well for the first shaft but when the next comes the attacher parent doesnt change to the the new shaft. any ide how i can solve this??

Another question.  
I wonder if i can choose what objects that will be used in Smart component collision sensor? Is it just to delete some in the parent list??

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**Author:** ![Anders\_S](https://avatars.discourse-cdn.com/v4/letter/a/ce7236/32.png) [@Anders\_S](https://tech-community.robotics.abb.com/u/Anders_S)\
**Post date:** [November 16, 2010, 3:54pm UTC](https://tech-community.robotics.abb.com/t/smart-component-change-attach-parent/3916/2 "2010-11-16T15:54:12Z")

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Hi,  
It’s difficult to say what goes wrong, but if you send me a Pack and Go of the station, I can take a look.  
My e-mail is: [anders.spaak@se.abb.com](mailto:anders.spaak@se.abb.com)

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**Author:** ![Jimli](https://avatars.discourse-cdn.com/v4/letter/j/41988e/32.png) [@Jimli](https://tech-community.robotics.abb.com/u/Jimli)\
**Post date:** [December 21, 2023, 11:06am UTC](https://tech-community.robotics.abb.com/t/smart-component-change-attach-parent/3916/3 "2023-12-21T11:06:02Z")

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I’ve been trying to set parent with a sensor now for a while, but only come up with the error: Property Binding failed to set ‘Parent’ (Value is not allowed).

Is it not possible to do so, or is it a bug in Robotstudio 2023.3?