GE Multilin 469

GE Multilin 469

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8 469 MOTOR MANAGEMENT RELAY – QUICK REFERENCE GUIDE

QUICK REFERENCE GUIDE

3 Electrical installation

FIGURE 8: Typical wiring diagram

Get familiarized with the Installation Section of this manual. Make sure that the relay is

properly connected, paying special attention to the following:

Table of Contents

Table of Contents3
Description6
Mechanical Installation8
- Drawout Case8
- Mounting8
- Unit Withdrawal10
- Unit Insertion11
Electrical Installation12
- Ratings and Polarities13
- Digital Inputs13
- Analog Inputs and Outputs13
Accessing Setpoints Via the Front Panel15
Typical Application Setup16
- System Setup for Phase, Neutral and Ground Cts16
- System Setup for Vts16
- Digital Input Setpoints17
- Protection Setpoints17
Communicating with the Relay18
- Via the Front Panel Rs232 Port18
Connecting Enervista 469 Setup Software with the 46919
- Configuring an Rs232 Connection19
- Using the Quick Connect Feature20
- Configuring Ethernet Communications21
- Connecting to the Relay22
Working with Setpoints24
- Engaging a Device24
- Entering Setpoints24
Working with Setpoint Files26
- File Support26
- Setpoints Files Overview26
- Downloading and Saving Setpoints Files27
- Adding Setpoints Files to the Environment27
- Creating a New Setpoint File28
- Upgrading Setpoint Files to a New Revision28
- Printing Setpoints and Actual Values29
- Loading Setpoints from a File30
Upgrading Relay Firmware32
- Description32
- Saving Setpoints to a File32
- Loading New Firmware32
Advanced Enervista 469 Setup Features35
- Triggered Events35
- Waveform Capture (Trace Memory)35
- Phasors37
- Trending (Data Logger)39
- Event Recorder41
- Modbus User Map42
- Viewing Actual Values43
Application Example46
- Description46
- Power System Data50
- Motor Data51
Motor Operating Curves51
Control System Requirements52
Contact Outputs52
Rtds52
Instrument Transformer Data52
- Voltage Transformers52
- Phase Cts52
- Ground CT53
- Motor FLC53
Motor Protection53
- Overload Pickup53
- Overload Curve53
- Short Circuit Trip53
- Ground Fault53
- Unbalance Alarm and Trip54
- Stopped and Running Cool Times54
- Acceleration Trip54
- Enable Start Inhibit54
- Starts/Hour54
- Time between Starts54
- Stator Rtds54
- Bearing Rtds55
- Unbalance Bias of Thermal Capacity55
- Unbalance Bias K Factor55
- Hot/Cold Curve Ratio55
- Enable RTD Biasing55
- RTD Bias Minimum55
- RTD Bias MID Point55
- RTD Bias Maximum56
12.10 System Setpoints56
12.11 Digital Inputs Setpoints58
12.12 Thermal Model Setpoints59
12.13 Current Elements Setpoints59
12.14 Motor Starting Setpoints61
12.15 RTD Temperature Setpoints61
12.16 Undervoltage Protection62
- Other Considerations62
12.17 Installation63

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