15/05/96
3
MPC2000 01/96B
1. Introduction
The MPC2000 Goldstart Motor Protection Controller is a highly sophisticated microprocessor based motor protection
and control unit, specifically designed to be used on motors with full load currents upto 2000 Amps, at any voltage
and as an integral part of any type or manufacture of Motor Control Centre. All of the latest features are included in
the MPC2000 to allow total control, protection and monitoring of motor starters either by direct hard wire inputs or via
the RS485 serial port.
The MPC2000 can be used to control Direct on Line, Star-Delta, Reversing and Two Speed motor starters and by the
use of RMS current sampling, enables the MPC2000 to be used in conjunction with A.C. Variable speed drives or Soft
Starters, without any affect on the protection performance.
The MPC2000 monitors current, voltage and temperature inputs to provide the most comprehensive motor protection
package ever produced by P & B Engineering. This combined with all the necessary control and monitoring functions
and a high speed communications facility all within a small easily installed package at a cost which is less than
previously charged for a sophisticated microprocessor motor protection relay, make the MPC2000 the most attractive
Motor Protection and Control device available today.
All hard wired control inputs are connected to, the MPC2000 via optically isolated inputs to enable all starting,
stopping and tripping commands to be carried out by the MPC2000. Status of all individual hard wired contacts is also
provided both locally via the liquid crystal display and remotely via the RS485 communications port.
All MPC2000 setting parameters are programmed independently for each unit via the integral keypad and liquid crystal
display on the front plate or via the RS485 communications port and the IBM PC based MPCSET software package
available with the MPC2000.
During operational conditions the LCD also gives access to accurate running, statistical and fault data such as;
Phase Volts, Phase Amps, thermal capacity, Time to Trip, Phase unbalance, Motor hours run, number of starts and
many more.
Light Emitting Diodes mounted on the front plate give visual indication of the motor status such as Motor Running,
Motor Stopped, Alarm or Trip conditions etc.
The MPC2000 can be supplied with Power Indication as an option. This gives Power (Watts and VA) and Power
Factor read-outs in the measured data page.
Flexible high speed control via PLC or DCS systems is obtained through the MPC2000's RS485 communications port,
allowing computer access to full control and monitoring of motor data, including : running data, motor statistical data
and control input status.
All MPC2000 protective functions can be individually configured to enable or disable tripping and alarm functions,
enabling protection to be simplified for the very lowest motor ratings. In addition each protective function can be set
to allow self or manual reset after alarm or trip and manual reset can be set to allow resets after an alarm or trip to be
made locally, remotely or by authorised personnel only.
A unique '
Protection Only
' mode enables the MPC2000 to be installed for protection only purposes, this requires only
conventional current transformer and trip output wiring, enabling simple installation into existing equipment with
minimum wiring modifications. This allows users to take full advantage of the enhanced protective capability and the
RS485 communication facilities provided by the MPC2000.
