Control - GE MI-869 Instruction Manual

CHAPTER 1: INTRODUCTION

Control

869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
MAXIMUM STARTING RATE
Monitored Time Interval: .................................1 to 300 minutes in steps of 1
Maximum Number of Starts:.........................1 to 16 starts in steps of 1
Timer Accuracy:...................................................±2s or ±1% of total time (whichever is greater)
TIME BETWEEN STARTS
Time Between Starts:........................................0 to 300 minutes in steps of 1
Timer Accuracy:...................................................±2s or ±1% of total time (whichever is greater)
RESTART DELAY
Restart Delay: .......................................................0 to 65000 seconds in steps of 1
Timer Accuracy:...................................................±2s or ±1% of total time (whichever is greater)
REDUCED VOLTAGE START
Mode:........................................................................Current Only, Current and Timer, Current or Timer
Start Current Level: ............................................0.25 to 3.00 of FLA, in steps of 0.01
Start Timer: ............................................................1.0 to 600.0 s in steps of 0.1
TRIP BUS
Number of Elements: ........................................6
Number of Inputs:...............................................16
Pickup Time Delay:.............................................0.000 to 6000.000 s in steps of 0.001 s
Dropout Time Delay: .........................................0.000 to 6000.000 s in steps of 0.001 s
Operate Time:.......................................................< 2 ms at 60 Hz
Timer Accuracy:...................................................± 3% of delay time or ± ¼ cycle (whichever is greater) from
BREAKER FAILURE
Mode:........................................................................3-pole
Current Supervision: ..........................................phase and neutral current (fundamental phasor magnitude)
Current Supervision Pickup:...........................0.050 to 30.000 x CT in steps of 0.001 x CT
Current Supervision Dropout: .......................97 to 98% of pickup
Current Supervision Accuracy: .....................For 0.1 to 2.0 x CT: ± 0.5% of reading or ± 0.4% of rated
Time Delay: ............................................................0.000 to 6000.000 s in steps of 0.001 s
Timer Accuracy:...................................................± 3% of delay setting or ± ¼ cycle (whichever is greater) from
Reset Time: ............................................................< 10 ms typical at 2 x Pickup at 60 Hz
ARC FLASH SENSOR/FIBER
Number of Point Sensors: ...............................4
Detection Radius:................................................180 degree
Maximum Fiber Length (Point Sensor): .....18 ft
Fiber Size:................................................................1000 um
Mode:........................................................................Multi-mode
Connector:..............................................................Small Media Interface (SMI)
Fiber Type: ..............................................................Plastic Optical Fiber
Bend Radius: .........................................................>25 mm
pickup to operate
(whichever is greater),
For > 2.0 x CT: ± 1.5% of reading
pickup to operate
< 12 ms typical at 2 x Pickup at 50 Hz
SPECIFICATIONS
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