259
l
DaylightcontrolswitchB1
l
TimerT1
l
PulserelayK1andK2
l
pulseswitchK3—K6abletobeswitchedoffcollectively
Disadvantagesoftraditionalsolution:
l
Inordertorealizefunction,itneedsplentyofwiring.
l
Vastmechanicalpartswillresultinobviousabrasionandhighmaintenancecosts.
l
Modificationfunctioncancausemuchwork.
7.5.2TheschemeofxLogic
Components:
l S1—S4(makecontact) Momentaryswitch
l B1(makecontact) Daylightcontrolswitch
CircuitdiagrambyxLogicsoft: