Eaton Power Xpert Release PXR 20 - Page 5

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MN013015EN

POWER XPERT® RELEASE TRIP UNIT FOR MAGNUM PXR CIRCUIT BREAKERS MN013015EN January 2022 www.eaton.com

Main Page

Table of Contents3
The Power Xpert Release Trip Unit7
System Overview7
Catalog Numbering and Styles7
Primary Protection Features8
Enhanced Protection Features9
Current, Voltage, Frequency, Power and Energy Data9
Trip Unit Description11
Status Indicator11
Display and Menu Navigation Buttons11
Cause-Of-Trip Indicators12
PXR 20 - Configure Using Rotary Switches12
PXR 25 - Configure Using the Display13
Maintenance Mode Switch13
Reset Button13
Tamper Proof Cover13
Test and Configuration Port13
Battery13
Breaker Continuous Current Rating13
Real-Time Clock13
Operating Temperature14
Trip Unit, Frame, and Voltage Modules Within the Trip Unit14
End User License Agreement15
Protection Functions16
Password Security16
Overload/Long Delay Settings16
Short Circuit Settings17
Instantaneous Protection Setting17
High Instantaneous (Withstand) Trip17
Ground Fault Settings17
Enhanced Protection Settings19
Maintenance Mode20
Zone Selective Interlocking (ZSI)21
Making Current Release (MCR)22
Complementary Features23
Neutral Sensors23
Configurable Relays23
Integrated Modbus RTU25
Communications Adapter Modules (Cams)25
Auxiliary Control Power26
Secondary Wiring Terminals for Magnum PXR26
Power Xpert Protection Manager Software28
Setpoint Configuration28
Device Settings28
Test Mode28
Breaker Information29
Real Time Data29
Event Summaries29
Reports29
Application Settings29
PXPM Feature Licenses29
Monitoring and Testing30
Monitoring from a Supervisory System30
Event Recording and Waveform Capture30
Health Monitor32
Testing the Circuit Breaker and Trip Unit32
Testing for Ground Fault Trip Units - Primary Injection34
Testing Within the Switchgear34
Maintaining the Pxr Trip Unit36
Troubleshooting36
Replacing the Trip Unit37
Replacing the Battery37
Changing the Breaker Rating38
Documentation Cross Reference39
Modbus Register Map40
Modbus Configuration40
Real-Time Breaker Status41
Real-Time Data Registers41
Setpoint Registers46
Remote Control Commands51
Date and Time52
Event Registers52
Records and Forms55

Eaton Power Xpert Release PXR 20 - Page 5

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