11.6.4.4 Directional under-power protection GUPPDUP (37)Main menu/Test/Function status/Current protection/DirUnderPowerProtection(PDUP,37)/GUPDisplays the output data of GUPPDUP (37).11.6.4.5 Instantaneous phase overcurrent protection PHPIOC (50)Main menu/Test/Function status/Current protection/InstPhaseOverCurrent(PIOC,50)/IOC1Displays available instances of PHPIOC (50) with a number of measurements perinstance showing the trip status in general and per phase.11.6.4.6 Instantaneous residual overcurrent protection EFPIOC (50N)Main menu/Test/Function status/Current protection/InstResidualOverCurrent(PIOC,50N)/IEFDisplays available instances of EFPIOC (50N) with one trip value per instance.11.6.4.7 Four step phase overcurrent protection OC4PTOC(51_67)Main menu/Test/Function status/Current protection/PhaseOverCurrent4Step(PTOC,51_67)/TOCDisplays available instances of OC4PTOC (51,67) with several measurements perinstance. These measurements are primarily trip and pickup signal indications fromeach phase and from the various steps in the protection scheme.11.6.4.8 Pole discordance protection CCRPLD (52PD)Main menu/Test/Function status/Current protection/PoleDiscordance(RPLD,52PD)/PDDisplays up to two instances of CCRPLD (52PD) with two measurements per instancewhich contain trip and pickup data.11.6.4.9 Four step residual overcurrent protection EF4PTOC (51N_67N)Test/Function status/Current protection/ResidualOverCurrent4Step(PTOC,51N_67N)/TEFSection 11 1MRK506276-UUS BTest the IED78Operator's manual
