the idea is not that is change its state, the idea is just that it stops sending as a device without energy would do.

the accu-thing does work, i figured out AFTER i posted ^^

I wanted a comparing combinator to work as a switch for a powersupply-activator if no energy is there... As long as I have NOT attached an energy-supply to it, it worked 427520_20170704031736_1.png But after attaching an energypole: 427520_20170704031746_1.png and removing it then: 427520_2017070403...