TOCā2 469 MOTOR MANAGEMENT RELAY ā QUICK REFERENCE GUIDE
TABLE OF CONTENTS
MOTOR OPERATING CURVES ............................................................................................. 47
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ONTROL SYSTEM REQUIREMENTS ................................................................................... 48
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ONTACT OUTPUTS ............................................................................................................. 48
RTD
S ..................................................................................................................................... 48
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NSTRUMENT TRANSFORMER DATA ................................................................................... 48
Voltage Transformers: .............................................................................................48
Phase CTs: .....................................................................................................................48
Ground CT: ....................................................................................................................49
Motor FLC: .....................................................................................................................49
MOTOR PROTECTION .......................................................................................................... 49
Overload Pickup: ........................................................................................................49
Overload Curve: ..........................................................................................................49
Short Circuit Trip: ........................................................................................................49
Ground Fault: ...............................................................................................................49
Unbalance Alarm and Trip: ...................................................................................50
Stopped and Running Cool Times: .....................................................................50
Acceleration Trip: .......................................................................................................50
Enable Start Inhibit: ..................................................................................................50
Starts/Hour: ..................................................................................................................50
Time Between Starts: ...............................................................................................50
Stator RTDs: ..................................................................................................................50
Bearing RTDs: ..............................................................................................................51
Unbalance Bias Of Thermal Capacity: .............................................................51
Unbalance Bias K Factor: .......................................................................................51
Hot/Cold Curve Ratio: ..............................................................................................51
Enable RTD Biasing: ..................................................................................................51
RTD Bias Minimum: ...................................................................................................51
RTD Bias Mid Point: ...................................................................................................51
RTD Bias Maximum: ..................................................................................................52
SYSTEM SETPOINTS ............................................................................................................. 52
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IGITAL INPUTS SETPOINTS ............................................................................................... 54
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HERMAL MODEL SETPOINTS ............................................................................................55
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URRENT ELEMENTS SETPOINTS ....................................................................................... 55
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OTOR STARTING SETPOINTS ...........................................................................................57
RTD T
EMPERATURE SETPOINTS ........................................................................................ 57
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NDERVOLTAGE PROTECTION: .......................................................................................... 58
Other Considerations: ..............................................................................................58
INSTALLATION: ...................................................................................................................... 59