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The ET Node IMPA 2005 is a standalone system, which is capable of monitoring the motor performance continously. The node IMPA 2005 is most suitable for monitoring the performance of the motors used in critical applications. The unit was built around arm controller and precision energy measurement circuits.

The Node IMPA is connected to the motor permanently. The node IMPA is designed to operate with both LT and HT motors. The voltage inputs are field selectable either 415V directly for LT motors or 110V from HT PT’s for HT motors. The current inputs are also field selectable either 5A/1A from external CT’s. Node IMPA is panel mountable which is installed at electrical distribution panel where motor power is fed.(note: only Motor load , no mixed load and capacitor bank)

IMPA 2005 – Motor Local Unit The speed sensor, vibration sensor and temperature sensor are mounted on appropriate locations on the motor and are connected to the Motor Local unit and data are communicated by RS485 communication. Motor local unit is installed near the motor IMPA Node unit and local unit connected through communication cable..
Hardware Features
  • TFT Display (3.5 inch) is provided to display various electrical and mechanical parameters.
  • Motor parameters are configured through front panel key .
  • The system has built in RTC.
  • RS485 port supporting Modbus-RTU protocol is provided.
  • Panel mountable 144 X 144 squire
Networking of IMPA Node The Node IMPA system is designed for monitoring multiple motor performances in the industries. The IMPA nodes are provided with RS485 connectivity supporting MODBUS-RTU protocol. Multiple IMPA nodes can be networked using twisted pair RS485 cable and data can be collected in a centralized server. The IM2S (Induction Motor Monitoring System) software is used to collect and process the data in the server

Software Package

The IM2S (Induction Motor Monitoring System) software is used to collect the data from IMPA 2005. The collected data is stored in the MYSQL data base and various analyses with respect to the performance of the motors are done.

IM2S / IM2SW Features

  1. Collects the data from IMPA nodes continuously and stores them in the database at predefined intervals.
  2. Online data representation and graphical representation.
  3. Displays instant data in real time trends.
  4. Processing of stored data.
  5. Facility to plot various graphs like Load Vs Efficiency and Speed Vs Torque etc.
  6. Facility to compare performance of various machines.
  7. Analysis of losses through Pie chart.
    Analysis of vital parameters through multi color severity indicators (Rated Vs Actual).
  8. Report generation and printing of reports.
  9. Facility to export the data in excel spread sheet.

Accessories
In its standard configuration, the IMPA 2005 is supplied in a industrial-grade poly cabinet enclosure along with the following accessories,

  1. Industrial grade terminals for connecting voltage and current inputs.
  2. Hansford Model No: HS-420SRT Vibration and temperature sensor.
  3. Diffused Reflective type speed sensor.

Note-1: Hansford Model No: HS-420RT is required for analyzing vibration and temperature. If vibration and temperature analysis is not required, this option can be removed while ordering.

Technical Specifications of IMPA-2005 (Node Type)

DESCRIPTION / PARAMETERS

SPECIFICATION

ELECTRICAL POWER MEASUREMENT

Input Connection Type

3-Phase Star/Delta Connected

Input Voltage (LT)

415 Vrms (L-L) (-40% to +20%)

 Input Current (LT)

5A / 1A
(Panel CTs with Class 1 or Class 0.5 Accuracy is preferred)

Input Voltage (HT)

110 Vrms (L-L) (-40% to +20%)
(Panel PTs with Class 1 or Class 0.5 Accuracy is preferred)

 Input Current (HT)

5A / 1A
(Panel CTs with Class 1 or Class 0.5 Accuracy is preferred)

Power Measurement Accuracy

Class 1 (as per IEC62053-11)

Program Mode Selection

LT / HT, 5A / 1A , Star / Delta

Safety Protections

Protection against high Voltage surge, Transients, EMI, ESD, etc.

SPEED MEASUREMENT

Measurement Type

Non-Contact Reflective Type Sensor

Speed Range

0-6000 RPM

Accuracy

1 RPM (as per IEC 60034-2-1)

VIBRATION AND TEMPERATURE MEASUREMENT

Vibration Sensor Type

Accelerometer Measuring Velocity

Vibration Velocity Range

0-25 mm / sec

Accuracy

0.5% OFS

Temperature Sensor Type

RTD-PT100

Temperature Range

0-200 degC

Accuracy

0.2% OFS

COMPUTATION PROCESS

Motor Performance Analysis

By Equivalent Circuit Computation Method

Computation Algorithm

Proprietary Algorithm with less than 1% error on Equivalent circuit parameter Optimization

Analysis Mode

 Spot Analysis Mode and Continuous Analysis Mode

HARDWARE FEATURES

Controller

ARM Cortex-M4 Core running at 168 MHz

Display

3.5” TFT Display

Programming Interface

Through Touch Panel

Communication to PC

RS485 Interface (MODBUS – RTU)

PARAMETERS DISPLAYED

Electrical Parameters

Voltage, Current, Power, Energy, Unbalance and Harmonics

Speed Parameters

Speed and Slip

Mechanical Parameters

Efficiency, Output Power, Torque, Vibration and Temperature

Loss Parameters

Stator Copper Loss, Rotor Copper Loss, Iron Loss, Windage Loss and Stray Loss

AUXILIARY POWER SUPPLY

Supply Input

140-270V AC

Power Consumption

Max 5W with AC Fuse Protection

Connector

5A Computer Power Socket with Fuse

Enclosure

Panel Mountable , 144X144 mm Sq

Bill of Quantity:

Si.no

Item Description

qty

1

IMPA 2005  – Node IMPA Panel mountable 144 x144 sq

1

2

Motor local unit – RPM and Vibration

1

3

Diffused Reflective type speed sensor

1

4

Hansford Model No: HS-420SRT Vibration and temperature sensor

1

5

Software CD and instruction manual

1

Note:

  • Communication cable between IMPA 2005 – Node and Motor local unit are customer scope.
  • The mounting arrangement of the Speed sensor and Vibration sensor is customer scope.
  • Meter Installation and wiring are customer scope. Necessary technical support provided by ET.