Waqtiga rolav ie an automatic controlunit whihoon bo oombinod with unrioue othor
olootriononuinmont ilaa ronlivo automatie eontrol eftheunning circuit. Marka hore loo sii diyaariyey
waqtigu wuu dhammaaday, wax soo saarka xiriirka waa la xiri doonaa ama waa la furi doonaa. sidaas darteed korontada terminal-ka
qalabka si otomaatig ah ayuu u shaqayn karaa ama u joojin karaa.
Taxanahan Relay-ga waqtiga wuxuu leeyahay faa'iidooyinka kala duwan ee danab hawlgalka ballaaran, oo cad
tilmaamaha shaqada, mug yar, cabbir isku mid ah, rakibid fudud, iwm.