GE C70 Instruction Manual
Also see for C70: Communications manualCommunications guideInstruction manualInstruction manualInstruction manual
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vi C70 Capacitor Bank Protection and Control System GE MultilinINDEXNEUTRAL CURRENT UNBALANCEactual values ................................................................. 6-20commands ....................................................................... 7-5FlexLogic operands ...................................................... 5-124Modbus registers .........................................B-21, B-24, B-51settings ....................................................................... 5-173specifications................................................................. 2-19theory of operation ......................................................... 8-12NEUTRAL DIRECTIONAL OVERCURRENTFlexLogic™ operands .................................................. 5-124logic ............................................................................ 5-173polarization.................................................................. 5-171settings ....................................................................... 5-169specifications................................................................. 2-18NEUTRAL INSTANTANEOUS OVERCURRENTsee entry for NEUTRAL IOCNEUTRAL IOCFlexLogic™ operands .................................................. 5-124logic ............................................................................ 5-169Modbus registers ...........................................................B-38settings ....................................................................... 5-168specifications................................................................. 2-17NEUTRAL OVERVOLTAGEFlexLogic operands ...................................................... 5-124logic ............................................................................ 5-191Modbus registers ...........................................................B-44settings ....................................................................... 5-191specifications................................................................. 2-19NEUTRAL TIME OVERCURRENTsee entry for NEUTRAL TOCNEUTRAL TOCFlexLogic™ operands .................................................. 5-124logic ............................................................................ 5-168Modbus registers ...........................................................B-38settings ....................................................................... 5-167specifications................................................................. 2-17NEUTRAL VOLTAGE UNBALANCEactual values ................................................................. 6-19commands ....................................................................... 7-3FlexLogic operands ...................................................... 5-125Modbus registers .........................................B-21, B-24, B-51settings ....................................................................... 5-201specifications................................................................. 2-19theory of operation ........................................................... 8-6NON-VOLATILE LATCHESFlexLogic operands ...................................................... 5-123Modbus registers ...........................................................B-54settings ....................................................................... 5-141specifications................................................................. 2-20OOBTAIN LIST OF PORT NUMBERS .................................. 5-29ONE SHOTS .................................................................. 5-130OPERATING TEMPERATURE .......................................... 2-26OPERATING TIMES ......................................................... 2-17ORDER CODES ......................... 2-8, 2-9, 2-10, 2-11, 6-24, 7-7ORDER CODES, UPDATING .............................................. 7-7ORDERING ................................................2-8, 2-9, 2-10, 2-11OSCILLATORY TRANSIENT TESTING ............................. 2-27OSCILLOGRAPHYactual values ..................................................................6-22clearing ...................................................................5-25, 7-6Modbus ........................................................................... B-7Modbus registers .................................................. B-19, B-31settings ..........................................................................5-70specifications .................................................................2-21via COMTRADE .............................................................. B-7via EnerVista software ..................................................... 4-2OUT OF SERVICE ...................................................... 2-3, 5-8OUTPUTScontact outputs ............................................................ 5-248control power .................................................................2-24critical failure relay .........................................................2-24Fast Form-C relay ..........................................................2-24Form-A relay ................................................ 2-23, 3-12, 3-13Form-C relay ......................................................... 2-24, 3-12latching outputs ................................................... 2-23, 5-248remote outputs .................................................. 5-254, 5-255virtual outputs .............................................................. 5-251OVERCURRENT CURVE TYPES .................................... 5-152OVERCURRENT CURVESdefinite time ................................................................. 5-156FlexCurves .................................................................. 5-156I2T ............................................................................... 5-156IAC .............................................................................. 5-155IEC .............................................................................. 5-154IEEE ............................................................................ 5-153OVERVOLTAGEauxiliary .............................................................. 2-19, 5-193bank phase .................................................................. 5-197negative sequence ....................................................... 5-192negative-sequence .........................................................2-19neutral ................................................................ 2-19, 5-191phase ................................................................. 2-19, 5-190PPANEL CUTOUT ........................................................ 3-1, 3-2PARALLEL REDUNDANCY PROTOCOLactual values ..................................................................6-10explained .......................................................................5-31settings ..........................................................................5-29specifications .................................................................2-25PARITY ............................................................................5-27PASSWORD SECURITYFlexLogic operands ...................................................... 5-128PASSWORDSchange does not take relay out of service .................. 2-3, 5-8changing ........................................................................4-29for settings templates ...................................................... 4-6lost password .................................................................. 5-8Modbus registers ......................................... B-18, B-28, B-29overview ........................................................................1-18reset to factory defaults ................................................... 5-8security ........................................................................... 2-3settings ........................................................................... 2-3PC SOFTWAREsee entry for ENERVISTA UR SETUPPERMISSIVE FUNCTIONS .............................................. 5-188PER-UNIT QUANTITY ........................................................ 5-4PHASE ANGLE METERING ..............................................6-12PHASE CURRENT METERING .........................................6-14 |
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