Eaton Power Xpert PXR Series User Manual

PXR trip units for Power Defense molded case cir-
cuit breakers
MN012007EN
Power Xpert Release trip units for Power Defense
molded case circuit breakers
®

Eaton Power Xpert PXR Series Specifications

General

Brand	Eaton
Model	Power Xpert PXR Series
Category	Circuit breakers
Language	English

Summary

Disclaimer of Warranties and Limitation of Liability

1. Introduction to the Power Xpert® Release Trip Unit

1.1 Protection Settings Overview

Overview of protection functionality in PXR trip units.

1.2 Metering Features

Electrical system information metered by the trip unit.

1.3 Health Monitor

Algorithm to determine trip unit health status.

1.4 Communication Features

Options for built-in communications.

1.5 Control Features

Control of the breaker using communications or discrete I/O.

2. PXR User Interface

2.1 Key Interface Elements

Components of the PXR trip unit user interface.

2.2 PXR 25, PXR 25 Motor Protection, and 20D Display with Keypad

Detailed UI description for specific models.

2.3 PXR 20 with Rotary Switches

UI description for models with rotary switches.

2.4 PXR 10 Simplified Rotary Switches

UI description for PXR 10 models with simplified rotary switches.

3. Line Protection Setting Description

3.1 Long Delay Pickup and Time Setting

Settings for long delay pickup and time.

3.5 Motor Protection Settings Description

Customization of motor protection settings.

3.6 Maintenance Mode Protection (ARMS)

Enabling and function of Maintenance Mode (ARMS).

3.8 Zone Selective Interlocking (ZSI)

Function for fast tripping and coordination.

4. Communication Functionality

4.1 Integrated Modbus - Remote Terminal Unit (RTU)

Modbus RTU communication protocol details.

4.2 USB Port

USB port for configuration, control, and testing.

5. External Wiring of the Trip Unit

5.1 Wiring Table

Table detailing wire colors and functions.

5.2 Auxiliary Power

Requirements and function of auxiliary power.

6. Power Xpert® Protection Manager - Configuration Software

6.1 Set Point Configuration Through PXPM

Configuring trip unit settings using PXPM software.

6.3 Testing the Breaker and Trip Unit

Testing possibilities via USB communication.

7. Event, Alarm, and Trip Recording with Waveform Capture

7.1 Trigger and Data Log Matrix

Matrix for event triggers and data logging.

8. Health Monitor

8.1 Health Monitor Description and Function

Description and function of the health monitoring algorithm.

8.3 Health Monitor Reset Procedure

Procedure for resetting health monitor counters.

9. Maintenance of the Trip Unit

9.1 Replacing the Battery

Procedure for replacing the trip unit battery.

10. Available Protection Settings

10.1 Identifying the Trip Unit

Schema for identifying trip unit catalog numbers.

10.2 Detailed Settings Tables

Tables detailing available settings for trip unit styles.

10.2.1 PDG2 PXR 10 Settings (LI)

Settings table for PDG2 PXR10 LI models.

10.2.34 PDG6 PXR25 and 20D Settings

Settings table for PDG6 PXR25 and 20D models.

11. Modbus Register Map

11.1 Viewing/Setting Modbus Parameters

Viewing and setting Modbus communication parameters.

11.3 Modbus Register Map

Map of Modbus registers for trip unit data.

11.3.8 Internal Diagnostics

Internal Modbus diagnostics and function codes.

11.3.10 Exception Codes

Error codes returned for Modbus communication issues.