GENERAL DESCRIPTION
4 | MVE User Manual (710-17074-00G)
3. General Description
3.1 Overview
The MVE provides compact and robust soft start solutions for control of medium voltage motors. MVE soft starters provide a
complete range of motor and system protection features and have been designed for reliable performance in the most demanding
installation situations.
The main components of a MVE soft starter are:
• Power assembly (3 x phase arms)
• Multilingual controller with FO cables
• Power interface board
• 3 x CTs – 1000:1
3.2 Feature List
• Constant Current
• Current Ramp
• Coast To Stop
• Soft stop
• Undervoltage / Overvoltage (27, 59)
• Mains frequency (81)
• Phase sequence (47)
• Shorted SCR (3)
• Motor Overload (thermal model) (49, 51)
• Instantaneous Overcurrent (two stages) (50)
• Time-overcurrent (51)
• Ground Fault (50G)
• Undercurrent (37)
• Current Imbalance (46, 60)
• Motor thermistor (26, 49)
• Excess Start Time (48)
• Power circuit (32)
• Auxiliary trip (94, 95)
Extensive input and output options
• Remote control inputs
(3 x fixed, 2 x programmable)
• Relay outputs
(3 x fixed, 3 x programmable)
• Analog output
(1 x programmable)
• Serial port (with module)
• Starter status LEDs
• Date and time stamped event logging
• Operational counters (number of starts, hours-run, kWh)
• Performance monitoring (current, voltage, power factor, kWh)
• User-programmable monitoring screen
• Multi-level password protection
• Communication modules: Ethernet (Profinet, Modbus TCP,
Ethernet/IP), Profibus, DeviceNet, Modbus RTU, and USB
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