GE EntelliGuard TU Installation, Operation And Maintenance Manual page 6

EntelliGuard® TU Trip Unit
Table of Contents
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
Table 8: Ground Fault Time Delay Bands, 50 Hz and 60Hz.....................................................................................................................................11
Table 9: Voltage Unbalanced Settings...............................................................................................................................................................................12
Table 10: Current Unbalance Settings...............................................................................................................................................................................12
Table 11: Under Voltage Settings .........................................................................................................................................................................................12
Table 12: Over Voltage Settings ............................................................................................................................................................................................12
Table 13: Power Reversal Settings.......................................................................................................................................................................................12
Table 14: Input Assignments...................................................................................................................................................................................................13
Table 15: Output Configuration.............................................................................................................................................................................................13
Table 16: Metering Data ............................................................................................................................................................................................................15
Table 17: Trigger Waveform Capture Events .................................................................................................................................................................19
Table 18 LED Operation.............................................................................................................................................................................................................20
Table 19: Ground Fault Time Delay .....................................................................................................................................................................................22
Table 20: Minimum Pickup and Clear Time .....................................................................................................................................................................22
Table 21: Troubleshooting Guide..........................................................................................................................................................................................25
Table 22: Communications Parameters - Modbus Function 2 ............................................................................................................................26
Table 23: Communications Parameters - Modbus Function 3 ............................................................................................................................26
Table 24: Communications Parameters - Modbus Function 4 ............................................................................................................................32
Table 25: Communications Parameters - Modbus Function 5 ............................................................................................................................36
Figure 1: Front Panel View - Power Break II and WavePro Trip Units..................................................................................................................7
Figure 2: Front Panel View - Power Break I and AKR Trip Units..............................................................................................................................7
Figure 3: Front Panel View - EntelliGuard G Trip Units.................................................................................................................................................7
Figure 4: Trip Unit Keypad ...........................................................................................................................................................................................................8
Figure 5: Long Time Pickup Setting ........................................................................................................................................................................................9
Figure 6: Short Time Pickup Time Current Curve.............................................................................................................................................................9
Figure 7: Removing the Old Trip Unit..................................................................................................................................................................................17
Figure 8: AKR Circuit Breaker with Trip Unit....................................................................................................................................................................17
Figure 9: Installing the New Trip Unit .................................................................................................................................................................................17
Figure 10: Trip Unit Removal Sequence, Step A............................................................................................................................................................18
Figure 11: Trip Unit Removal Sequence, Step B............................................................................................................................................................18
Figure 12: Trip Unit Removal Sequence, Step C............................................................................................................................................................18
Figure 13: Trip Unit Removal Sequence, Step D ...........................................................................................................................................................18
Figure 14: Operating Modes and Functions Overview..............................................................................................................................................20
Figure 15: Five Function Keys.................................................................................................................................................................................................20
Figure 16: Rating Plug Removal ............................................................................................................................................................................................24
Figure 17: SETUP Mode ..............................................................................................................................................................................................................37
Figure 18: METER Mode (Wye and Delta Systems) ......................................................................................................................................................41
Figure 19: STATUS Mode ...........................................................................................................................................................................................................42
Figure 20: EVENTS Mode ...........................................................................................................................................................................................................42
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09/25/08