Table of Contents 469Motor Management Relayhttp://www.GEindustrial.com/multilin vGE MultilinTrips, Alarms, and Blocks................................................................................................................... 5-5Relay Assignment Practices............................................................................................................... 5-6S1 469 SetupPasscode.............................................................................................................................................. 5-7Preferences.......................................................................................................................................... 5-7Communications................................................................................................................................. 5-9Real Time Clock................................................................................................................................. 5-11Default Messages.............................................................................................................................. 5-11Message Scratchpad ........................................................................................................................ 5-12Clear Data .......................................................................................................................................... 5-13Installation ......................................................................................................................................... 5-13S2 System SetupCurrent Sensing ................................................................................................................................ 5-14Voltage Sensing ................................................................................................................................ 5-15Power System ................................................................................................................................... 5-16Communications Control ................................................................................................................. 5-16Reduced Voltage ............................................................................................................................... 5-17S3 Digital InputsDescription ........................................................................................................................................ 5-19Starter Status .................................................................................................................................... 5-21Assignable Inputs 1(4) ...................................................................................................................... 5-21S4 Output RelaysDescription ........................................................................................................................................ 5-28Relay Reset Mode ............................................................................................................................. 5-28Force Output Relay ........................................................................................................................... 5-29S5 Thermal ModelMotor Thermal Limits....................................................................................................................... 5-29Thermal Model.................................................................................................................................. 5-31Overload Curve Setup ...................................................................................................................... 5-32S6 Current ElementsShort Circuit Trip............................................................................................................................... 5-49Overload Alarm................................................................................................................................. 5-50Mechanical Jam ................................................................................................................................ 5-50Undercurrent ..................................................................................................................................... 5-51Current Unbalance ............................................................................................................................ 5-52Ground Fault ..................................................................................................................................... 5-53Phase Differential.............................................................................................................................. 5-54S7 Motor StartingAcceleration Timer............................................................................................................................ 5-55Start Inhibit........................................................................................................................................ 5-55Jogging Block.................................................................................................................................... 5-56Restart Block...................................................................................................................................... 5-57S8 RTD TemperatureRTD Types ......................................................................................................................................... 5-57RTDs 1 to 6 ........................................................................................................................................ 5-59RTDs 7 to 10 ...................................................................................................................................... 5-60RTD 11................................................................................................................................................ 5-61RTD 12................................................................................................................................................ 5-62Open RTD Sensor ............................................................................................................................. 5-63RTD Short/Low Temp ....................................................................................................................... 5-63S9 Voltage ElementsUndervoltage..................................................................................................................................... 5-64Overvoltage ....................................................................................................................................... 5-66Phase Reversal .................................................................................................................................. 5-66Frequency .......................................................................................................................................... 5-67S10 Power ElementsPower Measurement Conventions .................................................................................................. 5-68Power Factor ..................................................................................................................................... 5-69Reactive Power.................................................................................................................................. 5-70Underpower ...................................................................................................................................... 5-71Reverse Power .................................................................................................................................. 5-72