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1 System Overview
The Universal Motor Controller (UMC) is an intelligent motor controller for 3-phase AC induction motors combining the two classi-
cal functions of motor protection and motor management in a single device plus offering diagnostic and fieldbus communication.
The device functions can be adjusted in a wide range to cover the needs of different industries. UMC100 is a further development
of the UMC22.
Function Overview
Protection Functions
• The UMC provides comprehensive motor protection including phase failure detection, adjustable motor protection for stalled
motors during startup or normal operation, configurable current limits to generate trips or warnings and many more.
• Overload classes 5E, 10E, 20E, 30E and 40E
• Thermistor motor protection (PTC)
• Analog inputs for PT100/PT1000 based protection
• Analog inputs for standard signals (0 - 10 V; 0/4 - 20 mA)
• Earth fault detection (e.g. when used in IT networks)
• Power and voltage based protection functions
• Supervision of the network quality (Total Harmonic Distortion)
• One device type covers the whole current range starting from 0.24 up to 63 A.
For higher currents up to 850 A additional current transformers are available.
Communication
• The UMC100.3 can be integrated into different fieldbus and ethernet networks such as PROFIBUS DP / PROFINET IO, DeviceNet,
MODBUS / ModbusTCP and EtherNet/IP
TM
via various fieldbus and ethernet communication interfaces.
All measured data, status signals and parameters can be accessed via communication.
• It is also possible to use the UMC100.3 as a stand-alone device without any fieldbus communication.
• The motor protection and motor management is fully functional in the event of a bus failure.
• The communication interface and the UMC can be mounted separately. This offers many benefits in MCC applications especially
for withdrawable systems.
• Parameterisation of the protection and control functions can be carried out with the device description files as defined by
the different fieldbuses (e.g. GSD for PROFIBUS). In addition a Device Type Manager (DTM) offering a very convenient device
configuration via a laptop or within a control system is also available.
• Selecting the cyclically transmitted analog values by parameter
Motor Management, Inputs and Outputs
• The UMC100.3 provides six digital inputs, three relay outputs and one 24 V output. Therefore a wide number of control
functions can be covered from the base device.
• If further inputs or outputs are needed, the basic device can be expanded with an expansion module. That provides an
additional eight digital inputs, four relay outputs and an analogue output for driving an analogue meter.
• Supported standard configurations are direct starter, reversing starter, star-delta starter, actuator, inching mode and
many more.
• The digital inputs can be configured in many ways to adapt the behaviour of the UMC100.3 to specific user requirements.
• To execute customer specific applications the UMC100.3 allows free programming of its internal logic. Function blocks for
signal adjustment, boolean logic, timers, counters ... are available (see manual "Custom Application Editor").
• Different control stations (DCS, DI, Operation Panel ...) with individual, adjustable release opportunities are available.
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