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LARSEN & TOUBRO LIMITED, MYSORE WORKS ER300P-PRIDE User Manual

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1
Electronic Trivector Meter
ER300P-PRIDE
Class 0.2S
For
Neyveli Lignite Corporation
LARSEN & TOUBRO LIMITED, MYSORE WORKS
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LARSEN & TOUBRO LIMITED, MYSORE WORKS ER300P-PRIDE Specifications

General IconGeneral
BrandLARSEN & TOUBRO LIMITED, MYSORE WORKS
ModelER300P-PRIDE
CategoryMeasuring Instruments
LanguageEnglish

Summary

Theory of Operation

Analog Section

Overview of the analog components and their function in energy measurement.

Digital Processing Section

Details the microprocessor's role in processing metering data and timekeeping.

Power Supply Section

Explains the switched mode power supply that powers the meter's internal circuitry.

Hardware

Compact

Describes the meter's compact design achieved through Surface Mount Technology.

Efficient

Highlights the efficiency of the meter's design and operation.

Ruggedness and Safety

Covers the meter's robust construction, extended temperature range, and safety features.

Features

Lists key hardware features like LEDs, LCD, keys, and communication ports.

Data Safety

Explains measures taken to ensure the integrity and security of metering data.

Software

Load Survey Records

Details the meter's capability to record load survey data at 15-minute intervals for 40 days.

Instantaneous Parameters

Describes the display and recording of real-time measured parameters.

Programmable Features

Outlines features that can be configured by the user via communication interfaces.

Communication

Describes the communication protocols and interfaces supported by the meter.

Appendix A

Parts/Dimensions

Illustrates the physical components and mounting dimensions of the meter.

3-Phase 4-Wire Connection Diagram with CT

Shows the wiring configuration for a 3-phase, 4-wire system using Current Transformers.

3-Phase 4-Wire Connection Diagram with CT & PT

Depicts the wiring setup for a 3-phase, 4-wire system with Current and Potential Transformers.

RS485 Connection Diagram (Top View)

Provides a top-view diagram of the RS485 serial communication port connections.

RS485 Connection Diagram (Front View)

Shows the front-view wiring diagram for the RS485 serial communication interface.

Appendix B: Technical Specifications

Appendix C: MODBUS Details and Memory Map

Appendix D: List of Errors