GE L90 Instruction Manual
Also see for L90: Communications manualCommunications guideInstruction manualInstruction manualInstruction manual
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Contents
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GE Multilin L90 Line Differential Relay iiiINDEXINDEXDCMA INPUTS ................................................................ 6-18Modbus registers .................................................. B-16, B-32settings ....................................................................... 5-206specifications ................................................................ 2-17DCMA OUTPUTSdescription .................................................................... 3-16Modbus registers ........................................................... B-36settings ....................................................................... 5-207specifications ................................................................ 2-19DDsee entry for DISTURBANCE DETECTORDEFINITE TIME CURVE ....................................... 5-112, 5-142DEMANDModbus registers ......................................... B-12, B-13, B-22DEMAND METERINGactual values ................................................................. 6-15settings ......................................................................... 5-23specifications ................................................................ 2-17DEMAND RECORDSclearing .................................................................. 5-11, 7-2DESIGN ............................................................................ 1-3DEVICE ID .................................................................... 5-200DEVICE PROFILE DOCUMENT ..........................................D-1DIELECTRIC STRENGTH ......................................... 2-21, 3-7DIFFERENTIALapplications ..................................................................... 9-3current ........................................................... 2-9, 2-13, 5-75current metering ............................................................ 6-12element characteristics .................................................. 8-14line elements ................................................................. 5-74stub bus ........................................................................ 5-77theory ............................................................................. 8-1trip .............................................................................. 5-152DIGITAL COUNTERSactual values ................................................................... 6-7FlexLogicô operands .................................................... 5-57logic ............................................................................ 5-168Modbus registers .................................................... B-9, B-39settings ....................................................................... 5-167DIGITAL ELEMENTSapplication example ..................................................... 5-165FlexLogicô operands .................................................... 5-57logic ............................................................................ 5-164Modbus registers ........................................................... B-38settings ....................................................................... 5-164DIGITAL INPUTSsee entry for CONTACT INPUTSDIGITAL OUTPUTSsee entry for CONTACT OUTPUTSDIMENSIONS .................................................................... 3-1DIRECT I/Oconfiguration examples .................................................. 5-24settings ......................................................................... 5-24DIRECT INPUTFlexLogicô operands .................................................... 5-61DIRECT INPUTSactual values ................................................................... 6-4description .................................................................. 5-203logic ............................................................................ 5-204Modbus registers ........................................................... B-10settings ....................................................................... 5-203DIRECT MESSAGES ..................................................... 5-200DIRECT OUTPUTSdescription .................................................................. 5-203logic ............................................................................ 5-204settings ....................................................................... 5-204DIRECT TRANSFER TRIP ......................................... 2-8, 10-4DIRECTIONAL OVERCURRENTsee PHASE, GROUND, and NEUTRAL DIRECTIONAL entriesDIRECTIONAL POLARIZATION ...................................... 5-117DISPLAY ............................................................ 1-10, 4-8, 5-9DISTANCEapplication example ....................................................... 9-11ground .................................................................. 2-12, 5-90mho characteristic ................................................. 5-83, 5-84Modbus registers .......................................................... B-30phase ................................................................... 2-12, 5-81quad characteristic ............................... 5-83, 5-84, 5-85, 5-92settings ......................................................................... 5-80DISTURBANCE DETECTORFlexLogicô operands ............................................ 5-56, 5-60internal .......................................................................... 5-38logic ............................................................................ 5-149Modbus registers .......................................................... B-26settings ....................................................................... 5-148theory ..............................................................................8-3DNA-1 BIT PAIR ............................................................. 5-202DNP COMMUNICATIONSbinary counters ............................................................. D-15binary input points .......................................................... D-8binary output points ...................................................... D-14control relay output blocks ............................................. D-14device profile document .................................................. D-1frozen counters ............................................................. D-15implementation table ....................................................... D-4Modbus registers .......................................................... B-18settings ......................................................................... 5-14user map ....................................................................... 5-16DTT .......................................................................... 2-8, 10-4DUPLEX, HALF ................................................................. B-1EELECTROSTATIC DISCHARGE ........................................ 2-21ELEMENTS ........................................................................ 5-3ENERGY METERINGactual values ................................................................. 6-15Modbus registers .......................................................... B-12specifications ................................................................. 2-17ENERGY METERING, CLEARING .............................. 5-11, 7-2ENERVISTA UR SETUPcreating a site list ............................................................ 4-1event recorder ................................................................. 4-2firmware upgrades ........................................................... 4-2installation ....................................................................... 1-5introduction ..................................................................... 4-1oscillography ................................................................... 4-2overview .......................................................................... 4-1requirements ................................................................... 1-5EQUATIONSdefinite time curve ............................................ 5-112, 5-142FlexCurveô ................................................................. 5-112I≤t curves ..................................................................... 5-112IAC curves ................................................................... 5-111IEC curves ................................................................... 5-110IEEE curves ................................................................. 5-109ETHERNETactual values ................................................................... 6-8configuration .................................................................... 1-7Modbus registers .......................................................... B-10settings ......................................................................... 5-13specifications ................................................................. 2-19EVENT CAUSE INDICATORS ............................................. 4-5EVENT RECORDER |
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