Document conventions - Arc protection - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Busbar differential protection (high impedance) - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Interconnection protection - Power management/Load shedding - IEC 60870-5-103 Communication Manual - 620 series Relion Protection and Control - Relion 615 series - 2.0 FP1 IEC - IEC - 04.04.2023

620 series IEC 60870-5-103 Communication Protocol Manual

A particular convention may not be used in this manual.

  • Abbreviations and acronyms are spelled out in the glossary. The glossary also contains definitions of important terms.

  • Push-button navigation in the LHMI menu structure is presented by using the push-button icons.

    To navigate between the options, use and .

  • Menu paths are presented in bold.

    Select Main menu > Settings.

  • LHMI messages are shown in Courier font.

    To save the changes in nonvolatile memory, select Yes and press .

  • Parameter names are shown in italics.

    The function can be enabled and disabled with the Operation setting.

  • Parameter values are indicated with quotation marks.

    The corresponding parameter values are "On" and "Off".

  • Input/output messages and monitored data names are shown in Courier font.

    When the function starts, the START output is set to TRUE.

  • This document assumes that the parameter setting visibility is "Advanced".

  • Values of quantities are expressed with a number and an SI unit. The corresponding imperial units may be given in parentheses.
  • Protective earthing is indicated in figures with the symbol .