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PowerLogic PM-620 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-620 Specifications

General IconGeneral
BrandPowerLogic
ModelPM-620
CategoryMeasuring Instruments
LanguageEnglish

Summary

CHAPTER 1—INTRODUCTION

WHAT IS THE POWER METER?

Defines the POWERLOGIC Power Meter and its applications.

CHAPTER 2—SAFETY PRECAUTIONS

CHAPTER 3—HARDWARE DESCRIPTION

DISPLAY

Describes the optional power meter display and its operating modes.

CHAPTER 4—INSTALLATION

MOUNTING OPTIONS

Outlines various methods for mounting the power meter and display.

MOUNTING THE DISPLAY

Details how to install the power meter display in various locations.

CHAPTER 5—WIRING

WIRING CTs, PTs, AND CONTROL POWER

Covers connecting Current Transformers, Potential Transformers, and control power.

CHAPTER 6—COMMUNICATIONS

PROTOCOLS

Lists and describes the communication protocols supported by the power meter.

POWERLOGIC COMMUNICATIONS WIRING

Details wiring for RS-485 communications using the POWERLOGIC protocol.

MODBUS RTU PROTOCOL

Describes the Modbus RTU protocol for power meter communication.

JBUS PROTOCOL

Explains the Jbus protocol for power meter communication.

CHAPTER 7—DISPLAY OPERATION

MODES

Lists and describes the different operating modes of the power meter display.

ACCESSING A MODE

Explains the procedure for navigating and entering display modes.

SETUP MODE

Details the parameters configurable through the display's setup mode.

BUTTON FUNCTIONS

Explains the operation of the display buttons in different modes.

SETTING UP THE POWER METER

Step-by-step guide to configure power meter parameters via the display.

PERFORMING RESETS

Instructions on how to reset energy, demand, and min/max values.

SETTING UP ONBOARD ALARMS (PM-650 ONLY)

Guide to configuring alarm setpoints and parameters via the display.

VIEWING ACTIVE ALARMS (PM-650 ONLY)

How to view and acknowledge active alarms on the display.

CHAPTER 8—METERING CAPABILITIES

REAL-TIME READINGS

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

MIN/MAX VALUES (PM-650 ONLY)

Describes minimum and maximum values stored by the PM-650 model.

CHAPTER 9—ONBOARD ALARMING (PM-650 ONLY)

SETPOINT-DRIVEN ALARMS

Explains the setpoints required for configuring onboard alarms.

CHAPTER 10—LOGGING (PM-650 ONLY)

APPENDIX A—SPECIFICATIONS

APPENDIX I—ALARM SETUP (PM-650 ONLY)

SCALING ALARM SETPOINTS

Explains how to scale alarm pickup and dropout values using the display.

APPENDIX J—CALCULATING LOG FILE SIZE (PM-650 ONLY)

CALCULATING LOG FILE SIZE

Guides on calculating log file size based on data logging parameters.

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