väljundelemendi oleku muutuste paar, sulgemine, millele järgneb avamine või vastupidi sõltuvalt väljundelemendi juhtelementi sisestatavatest mõõdistest
pair of changes of state of an output element, closure followed by opening or vice versa
The operation of an output element is a process, method, or sequence of actions, of a practical or mechanical nature, for controlling the state of the contacts of an output element.