# Problem with switching on vaccum gripper from smalz

**URL:** <https://forum.universal-robots.com/t/problem-with-switching-on-vaccum-gripper-from-smalz/34440>\
**Category:** Robot Communication\
**Created:** [May 27, 2024, 3:14pm UTC](https://forum.universal-robots.com/t/problem-with-switching-on-vaccum-gripper-from-smalz/34440 "2024-05-27T15:14:53Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![iambasnetsuraj](https://avatars.discourse-cdn.com/v4/letter/i/bc79bd/32.png) [@iambasnetsuraj](https://forum.universal-robots.com/u/iambasnetsuraj)\
**Post date:** [May 27, 2024, 3:14pm UTC](https://forum.universal-robots.com/t/problem-with-switching-on-vaccum-gripper-from-smalz/34440/1 "2024-05-27T15:14:53Z")

</div>

i am using python to control robot with ur-rtde installed but whenever i am trying to activate vcaccum for gripping i always get RTDE input register already in use issue though ethernet and profinet both disabled

 ![tt](https://us1.discourse-cdn.com/flex020/uploads/universal_robots/original/2X/3/3e17c54eb45895fbdf4330259af8fb90cc2e834b.png)  
 ![tt](https://us1.discourse-cdn.com/flex020/uploads/universal_robots/original/2X/3/3e17c54eb45895fbdf4330259af8fb90cc2e834b.png)