DETAILED DESCRIPTION

MPUC

A modular electronic motor protection relay to control, monitor and meter the performances of 3-phase , constant or dual speed, AC induction motors, in

- Energy

- Mining

- Petrochemical

- Water treatment

and many other applications
The device is able to measure the electrical motor variables (current, voltage, harmonic distortion, power, energy, etc.), to monitor motor overload through the thermal image, control it (i.e. start and stop, star-delta, 2 speeds, stop it in case some critical alarm pops up,….), and measures other variables like motor or bearings temperature.
Finally it includes data-logger functions to measure the quality of the performances of the motor in the application.
Additional optional modules allow the collection of additional temperature values, and input/outputs to use inside the control logic of DMPU for a full hi-end control.

Technical Data

Measured voltages: 100 to 690V (external VT available for other ranges)

Measured currents: Current measurement through a 3 x Ø 9 mm pass-through input up to 5A (external CT available for higher currents)

Digital inputs: Up to 23 (three on the main module, then additional I/O modules)

Temperature inputs: Up to 23 PTC or PT100 (three on the main module, then additional I/O modules)

Relay outputs: Up to 22 (two on the measurement module, then additional I/O modules)

DMPU-PS software: To configure the device, monitor the instantaneous variables and the internal protection function; download the datalogger information

DMPU-HMI operator panel: Freely configurable to display the variables and alarms status, Remote motor start/stop. Communication protocols: Modbus RTU, Modbus TCP/IP, Profibus