iv UR FAMILY – COMMUNICATIONS GUIDEINDEXpublic and private elements ......................................................... 3-13PUTT, Modbus ....................................................................................... 2-93RReal time clock, Modbus ..................................................... 2-53, 2-61Reduced voltage starting, Modbus .......................................... 2-92Remote devices, Modbus ....................................... 2-25, 2-27, 2-43Remote DPS, Modbus ....................................................................... 2-40Remote inputs, Modbus ...................................................... 2-25, 2-27Remote RTD inputs, Modbus ......................................................2-127Remote RTD, Modbus ....................................................................... 2-59Repair ......................................................................................................... 1-14Reset, Modbus ....................................................................................2-168Restart delay, Modbus ..................................................................... 2-97Restricted ground fault, Modbus .................................2-29, 2-153Revision history .......................................................................................A-1RRTD inputs, Modbus ......................................................................2-130RTD inputs, Modbus ............................................................... 2-50, 2-97SSCDfile merge ............................................................................................. 3-23SCD fileexplained ............................................................................................. 3-13SCL file .......................................................................... 3-14, 3-241, 3-248merge .................................................................................................... 3-23SCL log files ..........................................................................................3-229Security, Modbus ................................................................................. 2-46SED file explained ............................................................................... 3-13Selector switch, Modbus ...............................................................2-148Self-tests, Modbus .............................................................................. 2-12Sensitive directional power, Modbus .......................... 2-29, 2-89Setting groups, Modbus .................................................................. 2-77Settings file merge ............................................................................. 3-23Settings files .........................................................................................3-249Settings templates, Modbus .......................................................2-182SNTP protocol, Modbus ................................................................... 2-61Sources, Modbus ................................................................................. 2-65Split phase protection, Modbus .................................................. 2-91SSD file explained ............................................................................... 3-13Starts per hour, Modbus ................................................................. 2-96Stator differential, Modbus ................................................ 2-28, 2-84Stator ground, Modbus ....................................................... 2-28, 2-90Stub bus, Modbus ............................................................................... 2-76Summator, Modbus .......................................................... 2-124, 2-148Support, technical .............................................................................. 1-14Synchrocheck, Modbus .....................................................2-42, 2-175TTCP, Modbus configuration .............................................................. 2-1Technical Issues (Tissues) .............................................................3-227Technical support ............................................................................... 1-14Teleprotection, Modbus ................................................................ 2-139Temp monitor, Modbus ................................................................. 2-123Test mode, Modbus ............................................................................ 2-28THD, Modbus .............................................................................. 2-36, 2-42Thermal inputs, Modbus .................................................................. 2-81Thermal model, Modbus .................................................. 2-88, 2-116Thermal overload protection, Modbus ................................ 2-114Third harmonic neutral undervoltage, Modbus ................. 2-90TICS conformance statement ................................................... 3-227Time between starts, Modbus ..................................................... 2-97Time of day timer, Modbus ................................................ 2-52, 2-86Time overcurrent, Modbus .......................................................... 2-112Time, acceleration Modbus ........................................................ 2-117Tissues .................................................................................................... 3-227TOC, Modbus ....................................................................................... 2-112Tracking frequency, Modbus .......................................2-103, 2-122Transformer differential, Modbus .............................................. 2-36Transformer, Modbus ....................................................................... 2-65Trip bus, Modbus .............................................................................. 2-128Trip output, Modbus ............................................................... 2-92, 2-93Troubleshooting file transfers ................................................... 3-232UUnblocking scheme, Modbus ....................................................... 2-95Undercurrent, Modbus .................................................................. 2-145Underfrequency, Modbus ............................................................ 2-116Underpower, Modbus ....................................................................... 2-89Undervoltage, Modbus ..................................................................... 2-99URS file type ........................................................................................... 3-19User map, Modbus ............................................................................. 2-25User-programmabledisplay, Modbus .................................................................... 2-58, 2-69fault report, Modbus ....................................................................... 2-46LEDs, Modbus ..................................................................................... 2-62pushbuttons, Modbus ...................................................2-117, 2-118self-tests, Modbus ............................................................................ 2-64VVirtual inputs, Modbus ...................................................... 2-13, 2-161Virtual outputs, Modbus ............................................................... 2-163Voltage dependent overload, Modbus ................................ 2-117Voltage differential, Modbus .............................. 2-49, 2-52, 2-144Voltage metering, Modbus ............................................. 2-31, 2-102Volts per hertz, Modbus ................................................................ 2-150VTfuse failure, Modbus ..................................................................... 2-147settings, Modbus .............................................................................. 2-64WWattmetric zero-sequence directional, Modbus ........... 2-161Waveforms, view ....................................................................................2-7Windings, Modbus .............................................................................. 2-66