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I understand that KNX/EIB actuators are used to switch on/off lights in fancier homes. Some of these actuators have "current detection" feature, and some do not.

What can that feature do?

Is it for systems where you may want to know much power each circuit is consumes? Or is it a safety/protection thing?

This question should be tagged KNX/EIB, but these tags don't exist.

Examples: https://library.e.abb.com/public/cfaa4977bc174ddaa7c6da77c9f46ce0/Technical%20Data%20SAS%20x1661.pdf

http://gvshome.com/product/gvs-kbus-switch-actuator-8-foldwith-current-detector/

Doochz
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Let's say you have 10 lights in parallel that each draw 1A, for a total of 10A load. Now, suppose a light burns out. Your load current drops to 9A. If you implement current detection in the controller, the controller could turn around and alert someone that a light on that particular circuit is out.

Matt Young
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  • Thanks, the actuator is able to tell the main controller the current drawn, and the alert functionality would be in the software of the main controller right? – Doochz Oct 18 '19 at 07:19
  • Yep, all the logic goes in the main controller. – Matt Young Oct 18 '19 at 19:52