# Reading IO **URL:** \ **Category:** RobotStudio\ **Created:** [May 2, 2011, 11:35pm UTC](https://tech-community.robotics.abb.com/t/reading-io/4154 "2011-05-02T23:35:36Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![SolidFloyd](https://dub1.discourse-cdn.com/flex005/user_avatar/tech-community.robotics.abb.com/solidfloyd/32/4341_2.png) [@SolidFloyd](https://tech-community.robotics.abb.com/u/SolidFloyd)\ **Post date:** [May 2, 2011, 11:35pm UTC](https://tech-community.robotics.abb.com/t/reading-io/4154/1 "2011-05-02T23:35:36Z")
Hi, I’m using a plane sensor to activate a digital input to the system. When simulating the code using the “play” button in RS everything works great, but if I try to execute the program from the Virtual Flexpendant the plane sensor does not generate any signal. Could this be due to graphic problems, as I find all the mechanisms running not as smooth when I have the Virtual F.P activatet ? ---
**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:** [May 3, 2011, 8:42am UTC](https://tech-community.robotics.abb.com/t/reading-io/4154/2 "2011-05-03T08:42:50Z")
Hi, To get Smart Components to behave correct, the simulation needs to be running. If you would like to run the robot program from the Flex Pedant, do like this: Open Simulation Setup and uncheck the robot system under Active Tasks and under Simulated Objects (Simulation Scenarios tab). ![](http://forums.robotstudio.com/webwiz/51/ScreenHunter_01_May._03_08.37.jpg) ![](http://forums.robotstudio.com/webwiz/51/ScreenHunter_02_May._03_08.37.jpg) Open the FlexPendant. Press the “play” button to start the simulation (which now only will simulte your Smart Components). Start your robot program from the FlexPendant. ---
**Author:** ![SolidFloyd](https://dub1.discourse-cdn.com/flex005/user_avatar/tech-community.robotics.abb.com/solidfloyd/32/4341_2.png) [@SolidFloyd](https://tech-community.robotics.abb.com/u/SolidFloyd)\ **Post date:** [May 3, 2011, 10:29am UTC](https://tech-community.robotics.abb.com/t/reading-io/4154/3 "2011-05-03T10:29:56Z")
Tnx, works great. 👍