Eaton PT 20 Manuals

Manuals and User Guides for Eaton PT 20. We have 1 Eaton PT 20 manual available for free PDF download: Instruction Manual

Eaton PT 20 Instruction Manual

Eaton PT 20 Instruction Manual (48 pages)

Power Trip (PT) Units

Brand: Eaton | Category: Industrial Electrical | Size: 2.07 MB

Table of Contents

Table of Contents
2
Introduction
5
Introduction to PT Unit
5
Protection and Metering Features
7
Trip Unit Functions
7
Protection Features
8
Current and Voltage Metering Data
10
Power and Energy Metering Data
11
Time Current Curves
11
Power Trip (Pt) Units
12
Stats Indicator
12
Display and Navigation Buttons
13
Password Protection Functionality
13
Pickup/Cause-Of-Trip Indicator
13
Rotary Switches (PT10 Only)
14
Reset Button
14
Door
14
Usb
14
Battery
14
In Ratings
14
Side Labels
14
Protection Settings
15
Long Delay Pickup and Time Setting
15
Short Delay Pickup and Time Setting
15
Instantaneous Pickup Setting
15
Ground Fault Setting
16
Ground Fault Sensing
16
Advanced Protections (PT20/25 Only)
18
High Instantaneous Protection
19
Making Current Release (MCR)
19
Zone Selective Interlocking (ZSI)
19
Event Recording and Waveform Capture
20
Circuit Breaker Health Diagnosis
20
Relay and Digital Input (PT25 Only)
23
Relay Configuration
23
Digital Input (DI)
24
Communication Features
25
Integrated Modbus-Remote Terminal Unit (RTU) Port
25
USB Port
25
Important System Components
25
Auxiliary Power
25
Power Trip Protection Manager (PTM) Configuration Software
25
Secondary Wiring Terminals Associated with the Pt Trip Unit
26
Testing the Trip Unit and Circuit Breaker
26
Functional Opening Test (Local) Via Display
26
Simulated Current Test (Remote) Via USB/PTM Configuration Software
26
Testing for Ground Fault Trip Unit - Primary Current Injected
27
Maintenance of the Pt Trip Unit
27
Replacing the Battery
27
Replacing the Trip Unit
28
Record Keeping
29
Appendix A - Modbus Communication Port Setting
30
Viewing/Setting Modbus Setpoints
30
Network Communication Protocol
30
Modbus Register Map
30
Appendix B - Troubleshooting
46

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