13.07.2015 Views

MiCOM P921/P922/P923 - Schneider - error

MiCOM P921/P922/P923 - Schneider - error

MiCOM P921/P922/P923 - Schneider - error

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P92x/EN CO/F22Page 6/10Connection Diagrams<strong>MiCOM</strong> <strong>P921</strong>/<strong>P922</strong>/<strong>P923</strong>1.1.4 2VTs + residual VT connectionSelect the « 2V PP+V R» configuration in the « CONFIGURATION » menu and in the« GENERAL » sub-menu.The 3 line voltages VAB, VBC, VCA and the residual voltage VR are then measuredby the <strong>MiCOM</strong> relay.2VTs CONFIGURATION + residual voltageACPhase rotationBPowersupply+-3334WDRL1373536642WatchdogOutput contacts (programmable) :RL141RL212108RL24243RL31614RL34445RL42018RL4464950See note 1RL5RL6RL73175911RL5RL6RL7Programmable inputs :EL1EL2EL3EL4EL5+22_242628171921232527See note 2RL8*1315LEDs29303132+_RL84 programmable LEDsEarthconnection-+ _+ _+ _+ _P0392ENaCommunication port RS485(* System end resistance.For last relay, connect 30 and 32 together)Notes :(1) Additional hardware for <strong>MiCOM</strong> <strong>P922</strong> and <strong>P923</strong> relay(2) Additional hardware for <strong>MiCOM</strong> <strong>P922</strong> and <strong>P923</strong> relayScheme representing <strong>MiCOM</strong> relay offFIGURE 4: 2VTs + RESIDUAL VT CONNECTION

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