GE Multilin B30 Bus Differential System 2-112 PRODUCT DESCRIPTION 2.2 SPECIFICATIONS2AUXILIARY OVERVOLTAGEPickup level: 0.000 to 3.000 pu in steps of 0.001Dropout level: 97 to 98% of pickupLevel accuracy: ±0.5% of reading from 10 to 208 VPickup delay: 0 to 600.00 s in steps of 0.01Reset delay: 0 to 600.00 s in steps of 0.01Timer accuracy: ±3% of operate time or ±1/4 cycle(whichever is greater)Operate time: 30 ms at 1.10 pickup at 60 HzBREAKER FAILUREMode: 1-pole, 3-poleCurrent supervision: phase, neutral currentCurrent supv. pickup: 0.001 to 30.000 pu in steps of 0.001Current supv. dropout: 97 to 98% of pickupCurrent supv. accuracy:0.1 to 2.0 CT rating: ±0.75% of reading or ±2% of rated(whichever is greater)above 2 CT rating: ±2.5% of readingBREAKER FLASHOVEROperating quantity: phase current, voltage and voltage differ-encePickup level voltage: 0 to 1.500 pu in steps of 0.001Dropout level voltage: 97 to 98% of pickupPickup level current: 0 to 1.500 pu in steps of 0.001Dropout level current: 97 to 98% of pickupLevel accuracy: ±0.5% or ±0.1% of rated, whichever isgreaterPickup delay: 0 to 65.535 s in steps of 0.001Timer accuracy: ±3% of operate time or ±42 ms, which-ever is greaterOperate time: <42 ms at 1.10 pickup at 60 HzTHERMAL OVERLOAD PROTECTIONThermal overload curves: IEC 255-8 curveBase current: 0.20 to 3.00 pu in steps of 0.01Overload (k) factor: 1.00 to 1.20 pu in steps of 0.05Trip time constant: 0 to 1000 min. in steps of 1Reset time constant: 0 to 1000 min. in steps of 1Minimum reset time: 0 to 1000 min. in steps of 1Timer accuracy (cold curve): ±100 ms or 2%, whichever is greaterTimer accuracy (hot curve): ±500 ms or 2%, whichever is greaterfor I p < 0.9 × k × I b and I / (k × I b) > 1.1TRIP BUS (TRIP WITHOUT FLEXLOGIC)Number of elements: 6Number of inputs: 16Operate time: <2 ms at 60 HzTimer accuracy: ±3% or 10 ms, whichever is greater2.2.2 USER-PROGRAMMABLE ELEMENTSFLEXLOGICProgramming language: Reverse Polish Notation with graphicalvisualization (keypad programmable)Lines of code: 512Internal variables: 64Supported operations: NOT, XOR, OR (2 to 16 inputs), AND (2to 16 inputs), NOR (2 to 16 inputs),NAND (2 to 16 inputs), latch (reset-domi-nant), edge detectors, timersInputs: any logical variable, contact, or virtualinputNumber of timers: 32Pickup delay: 0 to 60000 (ms, sec., min.) in steps of 1Dropout delay: 0 to 60000 (ms, sec., min.) in steps of 1FLEXCURVES™Number: 4 (A through D)Reset points: 40 (0 through 1 of pickup)Operate points: 80 (1 through 20 of pickup)Time delay: 0 to 65535 ms in steps of 1FLEX STATESNumber: up to 256 logical variables groupedunder 16 Modbus addressesProgrammability: any logical variable, contact, or virtualinputFLEXELEMENTS™Number of elements: 8Operating signal: any analog actual value, or two values indifferential modeOperating signal mode: signed or absolute valueOperating mode: level, deltaComparator direction: over, underPickup Level: –90.000 to 90.000 pu in steps of 0.001Hysteresis: 0.1 to 50.0% in steps of 0.1Delta dt: 20 ms to 60 daysPickup & dropout delay: 0.000 to 65.535 s in steps of 0.001NON-VOLATILE LATCHESType: set-dominant or reset-dominantNumber: 16 (individually programmed)Output: stored in non-volatile memoryExecution sequence: as input prior to protection, control, andFlexLogic
