
GE Multilin M60 Motor Protection System vii
TABLE OF CONTENTS
5.2.13 USER-PROGRAMMABLE PUSHBUTTONS ................................................... 5-49
5.2.14 FLEX STATE PARAMETERS.......................................................................... 5-54
5.2.15 USER-DEFINABLE DISPLAYS ....................................................................... 5-55
5.2.16 DIRECT INPUTS/OUTPUTS ........................................................................... 5-57
5.2.17 TELEPROTECTION......................................................................................... 5-65
5.2.18 INSTALLATION................................................................................................ 5-65
5.3 REMOTE RESOURCES
5.3.1 REMOTE RESOURCES CONFIGURATION ................................................... 5-67
5.4 SYSTEM SETUP
5.4.1 AC INPUTS ...................................................................................................... 5-68
5.4.2 POWER SYSTEM............................................................................................ 5-69
5.4.3 SIGNAL SOURCES ......................................................................................... 5-70
5.4.4 MOTOR............................................................................................................ 5-72
5.4.5 BREAKERS...................................................................................................... 5-75
5.4.6 DISCONNECT SWITCHES ............................................................................. 5-79
5.4.7 FLEXCURVES™.............................................................................................. 5-82
5.5 FLEXLOGIC™
5.5.1 INTRODUCTION TO FLEXLOGIC™............................................................... 5-89
5.5.2 FLEXLOGIC™ RULES .................................................................................... 5-99
5.5.3 FLEXLOGIC™ EVALUATION.......................................................................... 5-99
5.5.4 FLEXLOGIC™ EXAMPLE ............................................................................. 5-100
5.5.5 FLEXLOGIC™ EQUATION EDITOR ............................................................. 5-104
5.5.6 FLEXLOGIC™ TIMERS................................................................................. 5-104
5.5.7 FLEXELEMENTS™ ....................................................................................... 5-105
5.5.8 NON-VOLATILE LATCHES ........................................................................... 5-109
5.6 GROUPED ELEMENTS
5.6.1 OVERVIEW.................................................................................................... 5-110
5.6.2 SETTING GROUP ......................................................................................... 5-110
5.6.3 MOTOR.......................................................................................................... 5-111
5.6.4 STATOR DIFFERENTIAL .............................................................................. 5-140
5.6.5 POWER.......................................................................................................... 5-143
5.6.6 PHASE CURRENT ........................................................................................ 5-149
5.6.7 NEUTRAL CURRENT.................................................................................... 5-155
5.6.8 GROUND CURRENT..................................................................................... 5-160
5.6.9 BREAKER FAILURE...................................................................................... 5-168
5.6.10 VOLTAGE ELEMENTS.................................................................................. 5-177
5.7 CONTROL ELEMENTS
5.7.1 OVERVIEW.................................................................................................... 5-185
5.7.2 TRIP BUS....................................................................................................... 5-185
5.7.3 SETTING GROUPS ....................................................................................... 5-187
5.7.4 SELECTOR SWITCH..................................................................................... 5-188
5.7.5 UNDERFREQUENCY.................................................................................... 5-194
5.7.6 OVERFREQUENCY ...................................................................................... 5-195
5.7.7 MOTOR START SUPERVISION ................................................................... 5-196
5.7.8 REDUCED VOLTAGE STARTING ................................................................ 5-199
5.7.9 DIGITAL ELEMENTS..................................................................................... 5-201
5.7.10 DIGITAL COUNTERS .................................................................................... 5-205
5.7.11 MONITORING ELEMENTS ........................................................................... 5-207
5.8 INPUTS AND OUTPUTS
5.8.1 CONTACT INPUTS........................................................................................ 5-217
5.8.2 VIRTUAL INPUTS.......................................................................................... 5-219
5.8.3 CONTACT OUTPUTS.................................................................................... 5-220
5.8.4 VIRTUAL OUTPUTS ...................................................................................... 5-222
5.8.5 REMOTE DEVICES ....................................................................................... 5-223
5.8.6 REMOTE INPUTS.......................................................................................... 5-224
5.8.7 REMOTE DOUBLE-POINT STATUS INPUTS .............................................. 5-225
5.8.8 REMOTE OUTPUTS...................................................................................... 5-225
5.8.9 RESETTING................................................................................................... 5-226
5.8.10 DIRECT INPUTS AND OUTPUTS................................................................. 5-227
5.8.11 TELEPROTECTION INPUTS AND OUTPUTS.............................................. 5-230
5.8.12 IEC 61850 GOOSE ANALOGS...................................................................... 5-232
5.8.13 IEC 61850 GOOSE INTEGERS..................................................................... 5-234
5.9 TRANSDUCER INPUTS AND OUTPUTS
5.9.1 DCMA INPUTS .............................................................................................. 5-235