# Signal Test Viewer

**URL:** <https://tech-community.robotics.abb.com/t/signal-test-viewer/3845>\
**Category:** Robot Controller\
**Created:** [October 5, 2010, 10:56pm UTC](https://tech-community.robotics.abb.com/t/signal-test-viewer/3845 "2010-10-05T22:56:55Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![presage](https://avatars.discourse-cdn.com/v4/letter/p/a4c791/32.png) [@presage](https://tech-community.robotics.abb.com/u/presage)\
**Post date:** [October 5, 2010, 10:56pm UTC](https://tech-community.robotics.abb.com/t/signal-test-viewer/3845/1 "2010-10-05T22:56:55Z")

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Can the Signal Test Viewer be used to monitor ROB\_1?

I am trying to monitor the torque on the robot axis and whenever I enable and apply my channel settings I get the following message:

Error defining channel 1, unknown signal number 8

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**Author:** ![daniel9ds](https://avatars.discourse-cdn.com/v4/letter/d/e274bd/32.png) [@daniel9ds](https://tech-community.robotics.abb.com/u/daniel9ds)\
**Post date:** [November 5, 2010, 8:40am UTC](https://tech-community.robotics.abb.com/t/signal-test-viewer/3845/2 "2010-11-05T08:40:19Z")

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I am a newbie here and just wanna say Hi to everyone. I am Daniel from Pennsylvania, US.

* * *

[free photoshop tutorials](http://www.photoshop-garden.com)

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**Author:** ![robot\_user](https://avatars.discourse-cdn.com/v4/letter/r/13edae/32.png) [@robot\_user](https://tech-community.robotics.abb.com/u/robot_user)\
**Post date:** [June 25, 2013, 12:05pm UTC](https://tech-community.robotics.abb.com/t/signal-test-viewer/3845/3 "2013-06-25T12:05:38Z")

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