Not required., TPCDIO05 function module - load shedding and availability warning., TPCDIO07 function module - transfer inhibit and remote testing., TPCDIO08 function module - voluntary remote control., TPCDIO10 function module - fire protection; 24 V d.c. pulse., TPCDIO11 function module - fire protection; 24 V d.c. constant., TPCDIO13 function module - fire protection; 230 V a.c. constant., TPCDIO14 function module - fire protection; dry contact; passive., TPCDIO17 function module - genset start and alarm.