GE EntelliGuard TU Installation, Operation And Maintenance Manual
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GE EntelliGuard TU Installation, Operation And Maintenance Manual

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Installation, Operation,
and Maintenance Manual for the UL
Versions of the EntelliGuard TU Trip Unit
Used in the following GE Circuit Breakers:
EntelliGuard G
WavePro
AKR
Power Break I
Power Break II
Retain for Future Use.
Courtesy of NationalSwitchgear.com
EntelliGuard® TU Trip Unit

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Summary of Contents for GE EntelliGuard TU

  • Page 1 EntelliGuard® TU Trip Unit Installation, Operation, and Maintenance Manual for the UL Versions of the EntelliGuard TU Trip Unit Used in the following GE Circuit Breakers: EntelliGuard G WavePro Power Break I Power Break II Retain for Future Use. Courtesy of NationalSwitchgear.com...
  • Page 2 Courtesy of NationalSwitchgear.com...
  • Page 3 Features may be described herein that Indicates a hazardous situation which, if not avoided, are not present in all hardware and software systems. GE could result in death or serious injury. Electrical Distribution & Control assumes no obligation of notice to holders of this document with respect to changes subsequently made.

  • Page 4: Table Of Contents

    EntelliGuard® TU Trip Unit Table of Contents 09/25/08 TABLE OF CONTENTS SECTION 1 – GENERAL INFORMATION................................7 INTRODUCTION ................................7 ABBREVIATIONS AND ACRONYMS........................7 PRODUCT DESCRIPTION ............................7 Appearance ..............................7 LCD Access..............................7 Electrical Requirements .......................... 8 Equipment Interfaces..........................8 COMMUNICATIONS ..............................
  • Page 5 EntelliGuard®TU Trip Unit 09/25/08 Table of Contents SECTION 3 – OPERATION ....................................19 CIRCUIT BREAKER OPENING..........................19 WAVEFORM CAPTURE ..............................19 EVENT LOGGING................................19 LED STATUS INDICATOR ............................20 OPERATING MODES ..............................20 SETUP MODE .................................21 Entering Setpoints into Memory.......................21 Long Time Pickup .............................21 Long Time Delay ............................21 Short Time Pickup ............................21 Short Time Delay ............................21 Reduced Instantaneous Let-through Instantaneous Protection (RELT)......21...
  • Page 6 EntelliGuard® TU Trip Unit Table of Contents 09/25/08 TABLES Table 1: Abbreviations and Acronyms ....................................7 Table 2: Short Time Breaker Type and Frame...................................9 Table 3: Short Time Delay Slope Settings..................................10 Table 4: Maximum Instantaneous for Power Break I, Power Break I, WavePro and AKR Trip Units..........10 Table 5: Maximum Instantaneous Thresholds for Power Break I, Power Break I, WavePro and AKR Trip Units......11 Table 6: Ground Fault Pickup Settings ....................................11 Table 7: Sensor Settings and Ratings ....................................11...

  • Page 7: Section 1 - General Information

    SECTION 1 – GENERAL INFORMATION Trip Units INTRODUCTION The EntelliGuard TU Trip Unit is an electronic device that interfaces with a circuit breaker. It monitors the breaker phase currents, neutral current and/or voltage and trips the breaker in the event of an over-current or voltage related condition.

  • Page 8: Electrical Requirements

    EntelliGuard®TU Trip Unit Section 1 – General Information 09/25/08 Figure 4: Trip Unit Keypad Power Break I, Power Break II, WavePro and AKR Trip Units have one relay. EntelliGuard G Trip Units have two output relays. The relay output can be assigned to the following functions: •...

  • Page 9: Profibus

    EntelliGuard®TU Trip Unit 09/25/08 Section 1 – General Information ProfiBus Break II, WavePro and AKR circuit breakers use the 19 This protocol is integral to EntelliGuard G Trip Units. lower thermal CB-type bands and the 22 fuse-type ProfiBus DP over RS485 is supported. bands.

  • Page 10: Adjustable Selective Instantaneous Protection

    EntelliGuard®TU Trip Unit Section 1 – General Information 09/25/08 Table 3: Short Time Delay Slope Settings Band TDB Setting Commit Time EntelliGuard G 50 Hz 60 Hz Clear Time 60 Hz Clear Time 50 Hz Min. 0.030 0.025 0.080 0.085 0.040 0.033 0.088...

  • Page 11: Ground Fault Protection

    EntelliGuard®TU Trip Unit 09/25/08 Section 1 – General Information Table 5: Maximum Instantaneous Thresholds For Table: 7: Sensor Settings and Ratings Power Break I, Power Break II, WavePro and AKR Trip Sensor Max. X Min. Max. Units 0.60 Breaker Maximum Maximum 0.60 Frame Size...

  • Page 12: Protective Relay

    EntelliGuard®TU Trip Unit Section 1 – General Information 09/25/08 PROTECTIVE RELAY Over Voltage Relay This function measures the voltage in all phases and The protection relay can be set to either cause a trip or initiates a trip if any phase voltage exceeds the set point. an alarm.

  • Page 13: Power Demand Intervals

    EntelliGuard®TU Trip Unit 09/25/08 Section 1 – General Information Power Demand Intervals Input This function sets the power demand interval, which can Inputs can be assigned to two main functionalities: be in the range of 5 min to 60 min, in steps of 5 min. This •...

  • Page 14: Current Alarm

    The ZSI is achieved instantaneous is OFF then the HSIOC nominal pick up is with the use of the TIM module or an equivalent GE at 98% of the circuit breaker’s Icw and, considering qualified and recommended device.

  • Page 15: Power Requirements

    EntelliGuard®TU Trip Unit 09/25/08 Section 1 – General Information POWER REQUIREMENTS METERING FUNCTIONS Table 16 shows the metering data provided by the trip WARNING unit: IMPROPER INSTALLATION, OPERATION AND MAINTENANCE Table 16: Metering Data Ensure only qualified personnel install, operate, service Parameter Phase Unit...

  • Page 16: Section 2 Lifting, Mounting And Installation

    Failure to comply with these instructions will result Break II circuit breakers are very similar and are outlined in death or serious injury. below. The EntelliGuard TU trip unit for a Power Break I is different than that for a Power Break II (see Section 1). WARNING Ensure the correct trip unit is used.

  • Page 17: Akr (225 A To 5000 A Frames) Circuit Breakers

    Open the circuit breaker by pressing the red TRIP Align the connectors and rejection pin and connect button on the front of the breaker escutcheon. the EntelliGuard TU to the circuit breaker, as shown in Disconnect any secondary wire harnesses between Figure 9.

  • Page 18: Entelliguard Circuit Breaker Installation

    EntelliGuard® TU Trip Unit Section 2 – Lifting, Mounting and Installation 09/25/08 EntelliGuard G Circuit Breaker Installation Figure 12. Trip Unit Removal Sequence, Step C Trip Unit Removal (See Figures 10 through 13) 1. Loosen the six screws on the breaker fascia assembly and remove the fascia.

  • Page 19: Section 3 - Operation

    EntelliGuard®TU Trip Unit 09/25/08 Section 3 – Operation SECTION 3 – OPERATION 24 V external power is required for this feature. WARNING When waveform capture is executed, the following IMPROPER INSTALLATION, OPERATION AND channels will be captured simultaneously: Phase A MAINTENANCE current, Phase B Current, Phase C Current, Phase L1 Ensure only qualified personnel install, operate,...

  • Page 20: Led Status Indicator

    EntelliGuard® TU Trip Unit Section 3 – Operation 09/25/08 LED STATUS INDICATOR OPERATING MODES Table 18 shows the operation of the green LED located on Power Break I, Power Break II, WavePro, AKR and the front of the trip unit. EntelliGuard G Trip Units have four operating modes: Setup, Meter, Status and Events as shown in Figure 14.

  • Page 21: Setup Mode

    Press UP or DOWN to select SETUP. Protection (RELT) Press LEFT to select the desired protection to change. The EntelliGuard TU Trip Unit provides a second user Press UP or DOWN to change values. The values will settable and user-selectable instantaneous protection start flashing.

  • Page 22: Ground Fault Protection

    EntelliGuard® TU Trip Unit Section 3 - Operation 09/25/08 Ground Fault Protection Table 19: Ground Fault Time Delay The EntelliGuard TU Trip Unit can provide ground fault Sensor Minimum Maximum protection in two different ways: 0.60 • via an internal summation scheme that adds up the 0.60...

  • Page 23: Section 4 - Battery

    EntelliGuard®TU Trip Unit 09/25/08 Section 4 – Battery SECTION 4 – BATTERY BATTERY REPLACEMENT WARNING GENERAL BATTERY INFORMATION IMPROPER REPLACEMENT The trip unit has a front pane-mounted battery. When the • Replace the battery with 3.6 V ½ AA lithium battery battery is present, the user scan view data on the LCD only.

  • Page 24: Section 5- Maintenance And Troubleshooting

    It does not cover every WARNING possible condition. PERSONAL INJURY Contact Post Sales Service at 1-888-GE-Resolve or 1-888- • Avoid risk of injury from moving parts while handling 437-3765 if these procedures doe not resolve the the circuit breaker.

  • Page 25: Table 21: Troubleshooting Guide

    No communication with the BIM Check the BIM harness. Mismatch trip unit / BIM option The trip unit display E03. Memory failure. Return the unit to GE. The trip unit display E06. Internal failure. Return the unit to GE. The trip unit display E08.

  • Page 26: Appendix 1: Communications Parameters

    EntelliGuard®TU Trip Unit Appendix 1 – Communications Parameters 09/25/08 APPENDIX 1: COMMUNICATIONS PARAMETERS Table 22: Communications Parameters – Modbus Function 2 Register Variable Value Read/Write Relay 1 Status 0 – OFF, 1 – ON Read Relay 2 Status 0 – OFF, 1 – ON Read Relay 3 Status 0 –...
  • Page 27 EntelliGuard®TU Trip Unit 09/25/08 Appendix 1 – Communications Parameters Register Variable Value Read/Write 2–GF&ST 6–ST and Inst 3–ST 7–GF, ST and Inst PT Primary Voltage 120–600 Read/Write PT Connection 0–Ph-N, 1–Ph-Ph Read/Write Password Protection 0 to 20, 16–Lock, 19–Unlock Read/Write Modbus Slave Address 8 bit value Read/Write...
  • Page 28 EntelliGuard®TU Trip Unit Appendix 1 – Communications Parameters 09/25/08 Register Variable Value Read/Write 50–0.59 51–0.6 GF CT Trip Delay 0–Off Read/Write 1–Band1 2–Band2 … 12–Band12 13–Band13 14–Band14 GF CT Trip Slope 0–0 Read/Write 1–I2T Slope 2–I2T Slope 3–Fuse Slope GF CT Alarm Pickup 11–0.2 Read/Write 2-0.11...
  • Page 29 EntelliGuard®TU Trip Unit 09/25/08 Appendix 1 – Communications Parameters Register Variable Value Read/Write 14–Band14 GF Sum Alarm K Value 0–0 Read/Write 1–I T Slope 2–I T Slope 3–Fuse Slope Over Voltage Pickup 1–110 Read/Write 2–111 3–112 … 39–148 40–149 41–150 Over Voltage Delay 0–Off Read/Write...
  • Page 30 EntelliGuard®TU Trip Unit Appendix 1 – Communications Parameters 09/25/08 Register Variable Value Read/Write 2–2 … 13–13 14–14 15–15 Power Reversal Pickup 1–10 Read/Write 2–20 … 97–970 98–980 99–990 Power Reversal Delay 0–Off Read/Write 1–1 2–2 … 13–13 14–14 15–15 Power Direction Setting 0–Line to Load Read/Write 1–Load to Line...
  • Page 31 EntelliGuard®TU Trip Unit 09/25/08 Appendix 1 – Communications Parameters Register Variable Value Read/Write Time Sync Day 8 bit Read/Write Time Sync Hour 8 bit Read/Write Time Sync Minute 8 bit Read/Write Time Sync Second 8 bit Read/Write Health status output type 0–NO, 1–NC Read/Write Current Alarm 1 Pickup On...

  • Page 32: Table 24: Communications Parameters - Modbus Function 4

    EntelliGuard®TU Trip Unit Appendix 1 – Communications Parameters 09/25/08 Register Variable Value Read/Write 8–UVR, Over Current 9–UVR, Protective Relay 10–Over Current, Protective Relay 11–Shunt Trip, UVR, Over Current 12–Shunt, UVR, Protective Relay 13–Shunt, Over Current, Protective Relay 14–UVR, Over Current, Protective Relay 15–Shunt, UVR, Over Current, Protective Relay ZSI Short Time Delay Band 1–Band1...
  • Page 33 EntelliGuard®TU Trip Unit 09/25/08 Appendix 1 – Communications Parameters Register Variable Value Read/Write Current Phase C(HI 16 bits ) – Read Current Phase N(LO 16 bits ) 32 bit Read Current Phase N(HI 16 bits ) – Read Rating Plug Value –...
  • Page 34 EntelliGuard®TU Trip Unit Appendix 1 – Communications Parameters 09/25/08 Register Variable Value Read/Write Month 8 bit Read Date 8 bit Read Hour 8 bit Read Minute 8 bit Read Second 8 bit Read Phase 8 bit Read Event Specific 1 16 bit Read Event Specific 2...
  • Page 35 EntelliGuard®TU Trip Unit 09/25/08 Appendix 1 – Communications Parameters Register Variable Value Read/Write Hour 8 bit Read Minute 8 bit Read Second 8 bit Read Phase 8 bit Read Event Specific 1 16 bit Read Event Specific 2 16 bit Read Event 8 8 bit...

  • Page 36: Table 25: Communications Parameters - Modbus Function 5

    EntelliGuard®TU Trip Unit Appendix 1 – Communications Parameters 09/25/08 Register Variable Value Read/Write Error Code Log Read Error Counter 1 to 10 Read Long Time pickup State 0–Not in Pickup, 1–Near Pickup, 2–In Pickup Read Table 25: Communication Parameters – Modbus Function 5 Register Parameter Values...

  • Page 37: Appendix 2: Operating Modes And Functions Specifics

    EntelliGuard®TU Trip Unit 09/25/08 Appendix 2 – Operating Modes and Functions Specifics APPENDIX 2: OPERATING MODES AND FUNCTIONS SPECIFICS Figure 17: SETUP Mode RELT INST RELT INST . . . PICKUP: (Press to save chosen value.) GF SUM . . . PICKUP: 0.21 BAND:...
  • Page 38 EntelliGuard®TU Trip Unit Appendix 2 – Operating Modes and Functions Specifics 09/25/08 GF SUM GF SUM ALARM ALARM PICKUP: See steps for GF SUM on previous page. BAND: SLOPE: GF CT GF CT ALARM ALARM PICKUP: See steps for GF CT on previous page. BAND: SLOPE: ZONE SEL...
  • Page 39 EntelliGuard®TU Trip Unit 09/25/08 Appendix 2 – Operating Modes and Functions Specifics RELAY 2 RELAY 2 OVER OVER VOLTAGE VOLTAGE ..GROUP 1 GROUP 1 GROUP 1 . . . PICKUP: 110% (Press to save chosen value.) DELAY (SEC): (Press to save chosen value.)
  • Page 40 EntelliGuard®TU Trip Unit Appendix 2 – Operating Modes and Functions Specifics 09/25/08 BELL ALARM BELL ALARM LO BELL ALARM BELL ALARM . . . (Press to save chosen value.) NEUTRAL NEUTRAL POLE POLE . . . 100% (Press to save chosen value.) POWER DMD PWR DMD INTERVAL...

  • Page 41: Figure 18: Meter Mode (Wye And Delta Systems)

    EntelliGuard®TU Trip Unit 09/25/08 Appendix 2 – Operating Modes and Functions Specifics Figure 18: METER Mode (Wye and Delta Systems) Wye System Delta System Courtesy of NationalSwitchgear.com...

  • Page 42: Figure 19: Status Mode

    EntelliGuard®TU Trip Unit Appendix 2 – Operating Modes and Functions Specifics 09/25/08 Figure 19: STATUS Mode TRIP STATUS SETTING TRIP SETUP STATUS STATUS METER PU DLY STATUS STATUS RESET/TRIP BREAKER EVENTS SETTING OPEN STATUS PICKUP VERSION PICKUP STATUS VERSION STATUS PICKUP SOFTWARE VERSION:...
  • Page 43 EntelliGuard®TU Trip Unit 09/25/08 Appendix 2 – Operating Modes and Functions Specifics Courtesy of NationalSwitchgear.com...
  • Page 44 EntelliGuard®TU Trip Unit Appendix 2 – Operating Modes and Functions Specifics 09/25/08 EntelliGuard, WavePro and Power Break are registered trademarks of the General Electric Company. 41 Woodford Avenue Plainville, CT 06062 www.geelectrical.com DEH-4567 Rev 01. © 2008 General Electric All Rights Reserved Courtesy of NationalSwitchgear.com...

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