Coil assembly and thus educated electromechanical switch or transducers

The coil assembly includes an electrical coil (10) and a between a first end position (I) and a second end position (II) the movable armature (20), a switchable between at least two switching states electronic switch (30), a control and monitoring circuit (40 ) operable to generate an electronic switch (30) switching signal (ctrl) and an operating circuit (50) for providing an operating voltage (U The control and monitoring circuit (40) is also adapted using the current measurement signal (i The electro-mechanical switch (100) in turn comprises a movable between a first shift position (i) and a second switching position (ii) movable first switch contact (101), a second switch contact (102) and for actuating the switching contact (101), a coil arrangement according to the invention, while the transmitter (Tr) in addition to such a electromechanical switch (100) and a measuring circuit for receiving at least one of a physical or chemical process variable dependent and / or time course namlicher variable (x) representing pickoff (s1) comprises.