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PowerLogic PM-650 User Manual

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Instruction Bulletin
3020IM9503R6/98
December 1998
(Replaces 3020IM9503R8/97 dated October 1997)
Power Meter
Class 3020

Table of Contents

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PowerLogic PM-650 Specifications

General IconGeneral
Device TypePower Meter
CategoryMeasuring Instruments
ManufacturerSchneider Electric
MountingPanel Mount
Frequency Measurement Range45-65Hz
Power MeasurementActive, Reactive, Apparent Power
Communication ProtocolsModbus RTU, Modbus TCP/IP
Display TypeLCD
Dimensions96 mm x 96 mm

Summary

Chapter 1: Introduction

What is the Power Meter?

Provides a general description of the POWERLOGIC Power Meter and its applications.

Chapter 2: Safety Precautions

Hazard of Electric Shock, Burn, or Explosion

Details critical safety warnings and precautions for installation and operation.

Chapter 3: Hardware Description

Display

Describes the features, modes, and operation of the power meter display.

Power Meter Connections

Identifies and explains the various terminals and ports on the power meter.

Chapter 4: Installation

Power Meter/Display Mounting Options

Outlines the different methods available for mounting the power meter and display.

Mounting the Display

Provides instructions for installing the power meter display in various locations.

Chapter 5: Wiring

Wiring CTs, PTs, and Control Power

Covers the general procedures for wiring current transformers, potential transformers, and control power.

Grounding the Power Meter

Provides instructions for correctly grounding the power meter for optimal performance.

Chapter 6: Communications

Protocols

Lists the communication protocols supported by the power meter: POWERLOGIC, Modbus, and Jbus.

POWERLOGIC Protocol Communications Wiring

Details the wiring procedures for establishing POWERLOGIC communications.

Connecting to a Personal Computer via POWERLOGIC Communications

Explains how to connect the power meter to a PC using the POWERLOGIC protocol.

Connecting to a POWERLOGIC Network Interface Module (PNIM) Using POWERLOGIC Communications

Provides instructions for connecting the power meter to a PNIM for network communication.

Modbus RTU Protocol

Describes the Modbus RTU communication protocol and its application.

Jbus Protocol

Describes the Jbus communication protocol and its application.

Connecting to a PC Using Modbus or Jbus Communications

Explains how to connect the power meter to a PC using Modbus or Jbus protocols.

Chapter 7: Display Operation

Setup Mode

Details the parameters that can be configured using the Setup mode on the display.

Setting Up the Power Meter

Provides a detailed flowchart and steps for configuring the power meter parameters.

Setting Up Onboard Alarms (PM-650 Only)

Provides step-by-step instructions for configuring onboard alarms on the PM-650 model.

Chapter 8: Metering Capabilities

Real-Time Readings

Lists and describes the real-time electrical values measured by the power meter.

Power Analysis Values

Details values like THD and fundamental voltage/current used for power quality analysis.

Demand Readings (PM-620 and PM-650 Only)

Lists and describes current and power demand readings available on specific models.

Chapter 9: Onboard Alarming (PM-650 Only)

Setpoint-Driven Alarms

Explains how alarms are triggered based on defined pickup and dropout setpoints and delays.

Chapter 10: Logging (PM-650 Only)

Appendix F: Register List

Real Time Metered Values

Lists registers for real-time measurements like current, voltage, and frequency.

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