GE LM10 - Control Functions; Inputs

1–8 LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS CHAPTER 1: INTRODUCTION
AVERAGE CURRENT
Resolution: .........................................................0.1 A
Range:..................................................................0.05 to 8 × CT Primary (3200.0 A max.)
Accuracy:............................................................±5% of full scale
GROUND CURRENT
Resolution: .........................................................0.1 A
Range:..................................................................0.0 to 25.0 A
Accuracy:............................................................±0.2A when current < 4.0 A
±5% of full scale when current ≥ 4.0A
CURRENT UNBALANCE
Resolution:.........................................................1%
Range:..................................................................0 to 250%
Accuracy:............................................................±5% of full scale
VOLTAGE
Resolution:.........................................................1 V
Range:..................................................................0 to 9000 V
Accuracy:............................................................±5% of full scale
POWER
Resolution: .........................................................0.1 kW
Range:..................................................................0 to 6553.5 kW
Accuracy:............................................................±5% of full scale
POWER FACTOR
Resolution: .........................................................0.01
Range:..................................................................0.5 to 1.0
Accuracy:............................................................±5% of full scale
TRIP HISTORY
Trip history:........................................................up to last 10 trips
COUNTERS
Motor run hour counter: .............................up to 65535 hours
1.5.3 Control Functions
STARTER
Starter types:....................................................FVNR, FVR, RV, 2S1W, 2S2W, custom
Power loss autorestart: ...............................restart after power loss of 4 seconds or less
1.5.4 Inputs
POWER SUPPLY
Control power:.................................................80 to 145 V AC
Frequency:.........................................................50 and 60Hz
CURRENT
CT sensor pack:...............................................NEMA starter size 1 to 6 (27 A, 90 A primary)
Sensor Input:.....................................................0 to 0.27 V AC
Phase CT input:................................................0 to 5 A
Phase CT primary:..........................................75, 100, 120, 150, 200, 225, 250, 300, 400, 500, 600, 700,
800