2-12 B30 Bus Differential System GE Multilin2.2 SPECIFICATIONS 2 PRODUCT DESCRIPTION2USER-PROGRAMMABLE LEDsNumber: 48 plus trip and alarmProgrammability: from any logical variable, contact, or vir-tual inputReset mode: self-reset or latchedLED TESTInitiation: from any digital input or user-program-mable conditionNumber of tests: 3, interruptible at any timeDuration of full test: approximately 3 minutesTest sequence 1: all LEDs onTest sequence 2: all LEDs off, one LED at a time on for 1 sTest sequence 3: all LEDs on, one LED at a time off for 1 sUSER-DEFINABLE DISPLAYSNumber of displays: 16Lines of display: 2 20 alphanumeric charactersParameters: up to 5, any Modbus register addressesInvoking and scrolling: keypad, or any user-programmable con-dition, including pushbuttonsCONTROL PUSHBUTTONSNumber of pushbuttons: 7Operation: drive FlexLogic operandsUSER-PROGRAMMABLE PUSHBUTTONS (OPTIONAL)Number of pushbuttons: 12 (standard faceplate);16 (enhanced faceplate)Mode: self-reset, latchedDisplay message: 2 lines of 20 characters eachDrop-out timer: 0.00 to 60.00 s in steps of 0.05Autoreset timer: 0.2 to 600.0 s in steps of 0.1Hold timer: 0.0 to 10.0 s in steps of 0.1SELECTOR SWITCHNumber of elements: 2Upper position limit: 1 to 7 in steps of 1Selecting mode: time-out or acknowledgeTime-out timer: 3.0 to 60.0 s in steps of 0.1Control inputs: step-up and 3-bitPower-up mode: restore from non-volatile memory or syn-chronize to a 3-bit control input or synch/restore modeDIGITAL ELEMENTSNumber of elements: 48Operating signal: any FlexLogic operandPickup delay: 0.000 to 999999.999 s in steps of 0.001Dropout delay: 0.000 to 999999.999 s in steps of 0.001Timing accuracy: ±3% or ±4 ms, whichever is greater2.2.3 MONITORINGOSCILLOGRAPHYMaximum records: 64Sampling rate: 64 samples per power cycleTriggers: any element pickup, dropout, or operate;digital input change of state; digital out-put change of state; FlexLogic equationData: AC input channels; element state; digitalinput state; digital output stateData storage: in non-volatile memoryEVENT RECORDERCapacity: 1024 eventsTime-tag: to 1 microsecondTriggers: any element pickup, dropout, or operate;digital input change of state; digital out-put change of state; self-test eventsData storage: in non-volatile memoryUSER-PROGRAMMABLE FAULT REPORTNumber of elements: 2Pre-fault trigger: any FlexLogic operandFault trigger: any FlexLogic operandRecorder quantities: 32 (any FlexAnalog TM value)2.2.4 METERINGRMS CURRENT: PHASE, NEUTRAL, AND GROUNDAccuracy at0.1 to 2.0 CT rating: ±0.25% of reading or ±0.1% of rated(whichever is greater)2.0 CT rating: ±1.0% of readingRMS VOLTAGEAccuracy: ±0.5% of reading from 10 to 208 VFREQUENCYAccuracy atV = 0.8 to 1.2 pu: ±0.001 Hz (when voltage signal is usedfor frequency measurement)I = 0.1 to 0.25 pu: ±0.05 HzI > 0.25 pu: ±0.001 Hz (when current signal is usedfor frequency measurement)
