Motor Controllers DMPUC, DIN-Rail Motor Protection Unit Controlling motor operation Motor thermal protection Phase sequence, phase loss, unbalance, locked rotor, stall, earth fault and earth leakage protection Alarm set-points adjustable by the user TRMS measurements of distorted sine waves (voltages/currents) 3-phase current range up to 2000A with external current transformers or pass-through 5A 3-phase voltage range up to 690V Electrical variables monitoring Monitoring of operating hours, down time, number of starts Communication port, included in the main module Modular motor management system DIN-rail mounting (expansion module mounted side by side from main module) Additional I/O expansion modules Easy connections management and installation Power Supply: 24 VDC DMPUC Event datastamping Variable datalogging Ordering Key DMPUC-MBT Model Type Product Description DMPU is a modular control the thermal image of communication module, it is status and also to modify electronic motor protection the motor, and also its load, possible to gather all the the set-points and the relay that provides operational status (start- relevant instantaneous values of other parameters. protection, monitoring and stop, star-delta starting, 2 values and transmit them to The whole programming of metering functions for 3- speeds, alarm set-point and a host control system for the unit is to be performed phase, constant or dual other functions adjustable by data collection and process via configuration software. speed, AC induction motors. the user), motor temperature control. Profibus and Additional optional modules The modular housing is for and includes an event data- Modbus TCP protocols are allow the collection of DIN-rail mounting with IP20 logger. available for a high additional PTC and PT100 protection degree. The current measurement is connectivity to the most values for coils and bearing The device, in its basic carried out by means of 3 used fieldbus systems. temperature control, and configuration, is able toexternal current Through the optional remote additional input/outputs are measure the electrical motor transformers, or by pass- display (for panel mounting) used for some local on- variables (current, voltage, through holes up to 5 A. it is possible to see the board logic functions. harmonic distortion, etc), to Being provided with a serial instantaneous values and Type Selection DMPUC-PRB Main module + Profibus. DMPUC-65 Currents and voltages module. DMPUC-MBT Main module + Modbus TCP/IP. DMPUC-R2 I/O module. DMPUC-05 Currents and voltages DMPUC-EL Earth leakage current module module (pass-through holes). 1 Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. 05/09/2013Motor Controllers DMPUC, DIN-Rail Motor Protection Unit DMPUC-MBT and DMPUC-PRB Main module for DMPUC Communication port for Profibus (DMPUC-PRB) or Modbus TCP (DMPUC-MBT) Auxiliary dual RS485 communication port (Modbus) to display or PC RJ 11 connection to measurement module Internal bus connecting additional modules 3 PTC or PT100 or digital inputs Data logging and event data stamping 24 VDC 20% power supply input Dimensions: 2-DIN module Protection degree: IP20 LED Specification DMPUC-MBT and DMPUC-PRB LED Green flashing Power supply ok, Type Dual color configuration error. Red fixed Communication error, Status and color internal bus. Green fixed Communication and power supply ok. Input Specification DMPUC-MBT and DMPUC-PRB Digital inputs Temperature Number of input Max 3, (no common Number of input Max 3, including the already reference), including the used thermal inputs. already used thermal inputs. Temperature probe PT100 or PTC Working modes Each input can be (programmable via configured as a switch or as DMPU-PS software). a toggle. Number of wires 2-wire connection Switch When the input is activated PT100 Detecting short-circuit the value is ON when the (<15) and wire braking input is deactivated the (>10k). value is OFF. Range -50 to +850 Toggle Each time the input goes Resolution 1C/F from de-activate to activate Accuracy (0.5% FS) the value chages state. PTC (3 in series) According to EN 60947-7-8 Activation mode Each input is programmable PTC Setpoint 3.1 k , release to be considered active 1.65 k, Detecting short- when the contact is closed circuits (<0.02 k) and wire or when it is open when breaking (>10k). used as a switch, while only Temperature drift <150 ppm/C at 850C FS at pressure when used as a Engineering unit Selectable C or F by button. software (the same in all the Type Contact resistence or NPN. temperature inputs). Contact reading voltage 3.3VDC Insulation See the table insulation Contact reading current Max. 0.45mA between inputs and Contact resistence 1k, closed contact outputs. 20k, open contact. NPN V <1V, V > 2V. ON OFF Acquisition time 200ms. Insulation See the table Insulation between inputs and outputs. Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. 05/09/2013 2