Delta MM300 Instruction Manual Page 13

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CHAPTER 1: INTRODUCTION SPECIFICATIONS
MM300 MOTOR MANAGEMENT SYSTEM – INSTRUCTION MANUAL 1–7
MECHANICAL JAM
Pickup level:...........................................................1.01 to 4.50 × FLA in steps of 0.01
Time delay:.............................................................0.1 to 30.0 seconds in steps of 0.1
Timing accuracy: ................................................±500 ms
Elements: ................................................................trip
PHASE OVERVOLTAGE
Pickup level:...........................................................101 to 120% of rated in steps of 1%
Time delay:.............................................................1 to 60 seconds in steps of 1 s
Timing accuracy: ................................................±500 ms
Elements: ................................................................trip and alarm
PHASE UNDERVOLTAGE
Pickup level:...........................................................60 to 99% of rated in steps of 1
Time delay:.............................................................1 to 60 seconds in steps of 1 s
Timing accuracy: ................................................±500 ms
Elements: ................................................................trip and alarm
RTD PROTECTION
RTD types:...............................................................three-wire (100 ohm Platinum)
Range: ......................................................................–50 to 250°C in steps of 1
Hysteresis:..............................................................2°C
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
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:.......................................................phase unbalance (±5%)
hot/cold ratio
stator RTD
exponential running and stopped cooling rates
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 and alarm
THERMISTOR
Sensor types:.........................................................PTC (R
HOT
= 100 to 30 kohms); NTC (R
HOT
= 100 to 30 kohms)
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
UNDERPOWER
Pickup level:...........................................................1 to 100% of kW rating in steps of 1
Time delay:.............................................................1 to 60 seconds in steps of 1
Timing accuracy: ................................................±500 ms
Elements: ................................................................trip and alarm
VOLTAGE PHASE REVERSAL
Configuration:.......................................................ABC or Rev starter
Timing accuracy: ................................................±500 ms
Elements: ................................................................trip or alarm
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