11.6.8 Scheme communicationScheme communication functions which are used in conjunction with distanceprotection generate viewable data about the signals used in these applications.Depending on the options chosen, data about weak end infeed, ground faults etc. is sentto and from IEDs.11.6.8.1 Scheme communication logic for distance or overcurrent protectionZCPSCH (85)Main menu/Test/Function status/Scheme communication/ZSchemeCommunication(PSCH,85)/ZCOMShows available instances of ZCPSCH (85).11.6.8.2 Phase segregated Scheme communication logic for distance protectionZC1PPSCH (85)Main menu/Test/Function status/Scheme communication/ZPhSegrSchComm(PSCH,85)/ZCOMDisplays available instances of ZC1PPSCH (85) with some measurements regardingtrip output and carrier signals.11.6.8.3 Current reversal and weak-end infeed logic for distance protectionZCRWPSCH (85)Main menu/Test/Function status/Scheme communication/ZCurrentReversalWEI(PSCH,85)/EFCADisplays available measurement outputs indicating trip status of weak end infeed logic.11.6.8.4 Current reversal and weak-end infeed logic for phase segregatedcommunication ZC1WPSCH (85)Main menu/Test/Function status/Scheme communication/ZPhSegrCurrRevWEI(PSCH,85)/ZC1WDisplays the output data of ZC1WPSCH.11.6.8.5 Current reversal and weak-end infeed logic for residual overcurrentprotection ECRWPSCH (85)Main menu/Test/Function status/Scheme communication/EFCurrentReversalWEI(PSCH,85)/EFCASection 11 1MRK506276-UUS BTest the IED82Operator's manual
