D Igital I Nputs - GE Multilin 469 Instruction Manual

2.2.4 Digital Inputs
2–10
Timing accuracy: ...........................................+50 ms
Elements:............................................................Trip
REDUCED VOLTAGE START
Transition level: ..............................................25 to 300% FLA in steps of 1
Transition time: ...............................................1 to 600 s in steps of 1
Transition control: .........................................Current, Timer, Current and Timer
RESTART BLOCK
Time delay: ........................................................1 to 50000 s in steps of 1
Timing accuracy: ...........................................±0.5 s or ±0.5% of total time
Elements:............................................................Block
RTD
Pickup: .................................................................1 to 250°C in steps of 1
Pickup hysteresis: ..........................................2°C
Time delay: ........................................................3 s
Elements:............................................................Trip and Alarm
UNDERCURRENT
Pickup level:.......................................................0.10 to 0.95 × CT primary in steps of 0.01 of any one
Time delay: ........................................................1 to 60 s in steps of 1
Block from start: ............................................0 to 15000 s in steps of 1
Pickup accuracy: ...........................................as per phase current inputs
Timing accuracy: ...........................................±0.5 s or ±0.5% of total time
Elements:............................................................Trip and Alarm
UNDERVOLTAGE
Pickup Level:
Motor starting: .............................................0.60 to 0.99 × Rated in steps of 0.01
Motor running: .............................................0.60 to 0.99 × Rated in steps of 0.01 of any one phase
Time delay: ........................................................0.1 to 60.0 s in steps of 0.1
Pickup accuracy: ...........................................as per voltage inputs
Timing accuracy: ...........................................<100 ms or ±0.5% of total time
Elements:............................................................Trip and Alarm
VOLTAGE PHASE REVERSAL
Configuration: .................................................ABC or ACB phase rotation
Timing Accuracy: ...........................................500 to 700 ms
Elements:............................................................Trip
DIGITAL COUNTER
Configuration: .................................................assign to digital inputs 1 to 4
Frequency: .............................................≤50 times a second
Range:..................................................................0 to 1 000 000 000
Elements:............................................................Alarm
GENERAL PURPOSE SWITCH
Configuration: .................................................assign to digital inputs 1 to 4
Time delay: ........................................................0.1 to 5000.0 s in steps of 0.1
Block from start: ............................................0 to 5000 s in steps of 1
Timing accuracy: ...........................................±250 ms or ±0.5% of total time
CHAPTER 2: INTRODUCTION
phase
469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL