ESU 50094 ECoS Detector Feedback ModuleESU 50094 ECoS Detector Feedback Module The ECoSDetector can monitor 16 track sections. The inputs can be individually switched between switching input (ground input) or current sensor using a jumper. The ECoSDetector can be used universally on all track systems and is therefore the first choice for all 2 wire drivers. If you use Railcom capable decoders, the ECoSDetector is also able to specifically monitor four of the 16 track sections to not only