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Standard Medium Voltage Starter Products
Next Generation Intelligent Motor Control
mx
3
controller
CONTROL FEATURES
Multiple Starting Modes:
• Voltage ramp
• Current ramp
- Adjustable initial current
- Adjustable maximum
current
- Adjustable ramp time
• Torque ramp (TruTorque)
- Adjustable initial torque
- Adjustable maximum
torque
- Adjustable ramp time
• Power ramp
- Adjustable initial torque
- Adjustable maximum
torque
- Adjustable ramp time
• Linear/tach feedback
control
Motor Protection:
• Motor thermal overload
• Independent starting and
running OL’s
• Up to speed timer
exceeded
• Low line voltage
• Low line frequency
• High line frequency
• Phase reversal
• Phase loss
• Instantaneous overcurrent
• Overcurrent
• Undercurrent
• Current imbalance
• Ground fault (residual or
zero sequence)
• Shorted or open SCR
• Disconnect fault
• Inline contactor fault
• Control power low
• Stack over temperature
• Motor PTC input
• RTD modules
Metering:
• Accuracy:
- 3% out-of-box
- 2% factory calibrated
• Average current
• L1 current
• L2 current
• L3 current
• Current imbalance %
• Ground fault current
• Average volts
• L1 – L2 voltage
• L2 – L3 voltage
• L3 – L1 voltage
• Overload %
• Power factor
• Watts
• VA
• VARS
• KW hours
• MW hours
• Phase order
• Line frequency
• Analog input
• Analog output
• Run time — days
• Run time — hours
• # of starts
• Tru Torque %
• Power %
• Peak starting current
• Last starting duration
• RTD temperatures
• Real-time clock
8 Digital Inputs
Configurable to:
• Stop
• Fault
• Fault reset
• Bypass / inline confirm
• OL reset
• Local/remote selection
• Heater enable
• Heater disable
• Dual ramp selection
• 1 dedicated start input
• Disconnect
• Slow speed
• Brake enable
• Brake disable
6 Relay Outputs
Configurable to:
• Faulted
• Running
• Up to speed
• Alarm condition
• Ready condition
• Locked out
• Over current
• Under current
• OL alarm
• Shunt trip
• Ground fault
• Energy saver indication
• Heating indication
• Cooling fan
1 Analog 4 – 20 mA /
0 – 10 Vdc Input
Configurable to:
• Trip high level
• Trip low level
1 Analog 4 – 20 mA /
0 – 10 Vdc Output
Configurable to:
• Current
(0 – 200%/0 – 800%)
• Voltage (0 – 150%)
• OL (0 – 150%)
• kW (0 – 10 kW/0 – 100 kW)
• MW (0 – 1 MW)
• Analog input (0 – 100%)
• Firing (0 – 100%)
• Calibration
User Interface:
• Event log (99 events)
• Door mounted LCD
display
- Set/examine operating
parameters
- View status information,
line current, voltage and
frequency
- Start and stop the solid
state starter
1 Communication Port:
• ModBus / RS485
Advanced Functionality:
• Dual ramp selection
• Adjustable kick current
• Programmable decel
modes
• MV BIST test
(built-in self test)
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