CHAPTER 2: PRODUCT DESCRIPTION SPECIFICATIONSC60 BREAKER PROTECTION SYSTEM – INSTRUCTION MANUAL 2-232Operating 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 and 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, and FlexLogicUSER-PROGRAMMABLE LEDsNumber: 48 plus trip and alarmProgrammability: from any logical variable, contact, or virtual inputReset mode: self-reset or latchedLED TESTInitiation: from any contact input or user-programmable 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 condition, including pushbuttonsCONTROL PUSHBUTTONSNumber of pushbuttons: 7Operation: drive FlexLogic operandsUSER-PROGRAMMABLE PUSHBUTTONS (OPTIONAL)Number of pushbuttons: 12 (standard front panel)16 (enhanced horizontal front panel)6 (enhanced vertical front panel)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 synchronize to a 3-bit control input or synch/restore modeDIGITAL ELEMENTSNumber of elements: 48Operating signal: any FlexLogic operand
