# Doubt with I/O

**URL:** <https://tech-community.robotics.abb.com/t/doubt-with-i-o/2790>\
**Category:** RobotStudio\
**Created:** [May 23, 2009, 7:54pm UTC](https://tech-community.robotics.abb.com/t/doubt-with-i-o/2790 "2009-05-23T19:54:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Drake](https://avatars.discourse-cdn.com/v4/letter/d/5fc32e/32.png) [@Drake](https://tech-community.robotics.abb.com/u/Drake)\
**Post date:** [May 23, 2009, 7:54pm UTC](https://tech-community.robotics.abb.com/t/doubt-with-i-o/2790/1 "2009-05-23T19:54:13Z")

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Hello. I want to simulate a input in my system, that in the future will be real. I discovered that i need to defined a new unit for IO. Can someone explained with and how that will effect when i pass to the real world? thanks

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**Author:** ![Klaus](https://avatars.discourse-cdn.com/v4/letter/k/e99b99/32.png) [@Klaus](https://tech-community.robotics.abb.com/u/Klaus)\
**Post date:** [May 24, 2009, 9:39am UTC](https://tech-community.robotics.abb.com/t/doubt-with-i-o/2790/2 "2009-05-24T09:39:14Z")

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Hi  
you just add IO board and signals in VC as in the real controller. Right click on input and make the signal simulate

BR Klaus