Inputs Specifications - GE Multilin MM200 Quick Start Manual

QUICKSTART GUIDE

1.5.2 Inputs specifications

MM200 MOTOR MANAGEMENT SYSTEM – QUICKSTART GUIDE
THERMAL MODEL
Standard curve time multiplier: ...................1 to 15 in steps of 1
Thermal overload pickup: ...............................1.01 to 1.25 in steps of 0.01 x FLA
Motor full load current (FLA): .........................0.5 to 1000 A in steps of 0.1
Motor rated voltage:..........................................100 to 690 V AC
Curve biasing:.......................................................hot/cold ratio
Update rate: ..........................................................3 cycles
Hot/cold safe stall ratio: ..................................1 to 100% in steps of 1%
Timing accuracy: ................................................±200 ms or ±2% of total time (based on measured value)
Elements: ................................................................trip
THERMISTOR
Sensor types:.........................................................PTC (R
Timing accuracy: ................................................±500 ms
Elements: ................................................................Trip and alarm
UNDERCURRENT
Pickup level: ...........................................................1 to 100% of FLA in steps of 1
Time delay:.............................................................1 to 60 seconds in steps of 1
Timing accuracy: ................................................±500 ms
Elements: ................................................................trip and alarm
DIGITAL INPUTS (LO)
Fixed pickup: .........................................................24 V DC
Continuous current draw:...............................4 mA
Type:..........................................................................opto-isolated inputs
External switch: ...................................................wet contact
Maximum input voltage:..................................36 V DC
DIGITAL INPUTS (HI)
Nominal voltage:.................................................120 V AC to 240 V AC
Recognition time: ................................................2 cycles
Continuous current draw:...............................4 mA @120 V AC; 8 mA @ 240 V AC
Type:..........................................................................opto-isolated inputs
External switch: ...................................................wet contact
Voltage range:......................................................65 V AC to 300 V AC
GROUND CURRENT INPUT (50:0.025)
CT primary:.............................................................0.5 to 15.0 A
Nominal frequency: ...........................................50 or 60 Hz
Accuracy (CBCT):..................................................±0.1 A (0.5 to 3.99 A)
PHASE CURRENT INPUTS
Range: ......................................................................0.2 to 40 A (8 × CT), direct connection up to 5 A FLA
Input type: ..............................................................combined 1 A / 5 A
Frequency:..............................................................50 or 60 Hz
Accuracy: ................................................................ExtCT: ±2% of reading or ±1% of 8× CTPrimary, whichever is
Withstand (at 5A nominal):.............................0.2 s at 100 × rated current
Short Circuit:..........................................................5000 A @ 240 V AC direct connect
exponential running and stopped cooling rates
= 100 to 30 kohms);
HOT
NTC (R = 100 to 30 kohms)
HOT
±0.2 A (4.0 A to 15 A)
greater
Direct: 2% of reading or ±0.1 A, whichever is greater
1.0 s at 50 × rated current
2.0 s at 40 × rated current
continuous at 3 × rated current
maximum 100 A peak
100000 A @ 600 VAC with accessory external CT
SPECIFICATIONS
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