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Latest Software Versions

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SEL-5231 SEL Configuration API

RevisionStart DateSummary of Revisions
1.3.2300.0 12/18/2020
  • Added database backup and restore operations.
  • Added to audited operation responses a changed attributes property that provides a list of properties that changed.
  • Added support for obtaining and setting device password scripts.
  • Added enable_radius_authentication and who_are_you_response to the device nameplate properties.
  • Added a custom OpenAPI endpoint for improved compatibility with some code generation tools.
  • Added script management operations.
  • Added support for obtaining user account information.
  • Added support for obtaining workflow information.

SEL-5033 acSELerator RTAC Software

RevisionFirmware ID:Start DateSummary of Revisions
  • Added Simple Tag Mapper Extension.
  • Added CtPt Monitor Extension.
  • Added Indirect Tagging Extension.
  • Enhanced IEEE C37.118 PMU Station name to accept noncompliant IEC 61131 names.
  • Added support to specify a port for logic engine.
  • Added support to specify a port for project send/read.
  • Added support for copy and paste operations on the IEC 60870-103 client.
  • Enhanced password fields to allow a user to view the password while editing before obfuscating the password after the setting is no longer selected.
  • Resolved an issue where Default Gateway may be incorrect after reading a project that includes interface settings.
  • Resolved an issue where projects R132 and older with advanced settings included may not be able to open.

SEL-5030 acSELerator QuickSet Software

RevisionDatabase VersionStart DateSummary of Revisions


  • Addressed an issue where certain Display Point settings may be in error if there is a space leading a quotation mark in the setting value.

QuickSet Prerequisites

  • Updated Playback Dashboard to support SEL-T400L Z005.

QuickSet Common Files

  • Addressed an issue where QuickSet could retrieve the wrong event record from an SEL-T400L or SEL-T401L if the record number matches the time stamp of another event record file name.
  • Added firmware loader support for the SEL-501, SEL-551, and SEL-587.

Baycontrol Screens

  • Added SEL-411L, SEL-421, SEL-451, SEL-451-5, SEL-487E, and SEL487V Screens.

acSELerator Database

  • Modified installer to add the TLS certificate of the acSELerator Database into the Windows certificate store as a trusted certificate to prevent delays because of certificate validation when logging in with Device Manager.


  • Updated to support SEL-T401L Z002.

QuickSet Prerequisites

  • Updated to support SEL-T401L Z002.

QuickSet Common Files

  • Modified calculation of the margin between the power-swing impedance supervisory zone and the encompassed distance zones of protection associated with the SEL-T401L Impedance Characteristics plot. See the SEL-T401L instruction manual for more details.
  • Added support for SEL-T401L Z002.

acSELerator Database Device Manager Support

  • Added support for SEL-851 and SEL-411L-2.
  • Added a "Baseline Deviation" settings workflow state.

Quickset Device Manager Plugin

  • Added a new "Baseline Deviation" settings workflow state to support warning users when settings for a device do not conform to approved baselines.
  • Addressed an issue where an error could occur when attempting to apply setting changes to multiple devices within a Compare window.
  • Increased the amount of time to wait when attempting to connect to the acSELerator Database before a timeout occurs.
  • Modified Device Manager to retain the dimensions of the Connection Explorer between sessions.

SEL-5032 acSELerator Architect Software

RevisionStart DateSummary of Revisions

For devices that support functional naming, the functional name of a logical device now displays in the following additional areas:

  • Datasets editor.
  • GOOSE receive tab: publication LD column and source data item path.
  • SV receive tab: publication LD column and source data item path.
  • Print subscriptions feature.
  • Dataset preview on Reports and SV Transmit editors.

Note that copy/paste to text on the receive tabs still uses the LD inst even if a functional name displays.

SEL-5035 acSELerator Diagram Builder Software

RevisionStart DateSummary of Revisions
  • Added a dedicated Alarms Viewer to the RTAC HMI.
  • Added an option on Diagram Builder to enable the automatic polling of records for the Alarms Viewer.

SEL-5036 acSELerator Bay Screen Builder Software

RevisionStart DateSummary of Revisions

Initial Version

    SEL-5037 Grid Configurator Software

    RevisionDatabase VersionStart DateSummary of Revisions
    1.2.1.x0.100.3603/05/2021 Grid Configurator
    • Modified the software to allow for configuring secondary input current for digital secondary systems (TiDL and Sampled Values) at device creation. Additionally, modifications to these options after device creation allow for resetting related settings to default.
    • Updated the application to allow for configuring SEL-487E-5 settings version 201.
    • Modified the software to display an error if duplicate mappings of the same TMU current input are configured. Version of the software allowed duplicate mappings of current type channels.

    SEL-5045 acSELerator Team Software

    RevisionMinimum QuickSet VersionMinimum Database VersionStart DateSummary of Revisions an issue where RTAC SOE collection via the Encrypted Database method would fail.

      SEL-5056 Software-Defined Network Flow Controller

      Software VersionManual Date CodeSummary of Revisions
      • Added support for the SEL-2742S.
      • Improved reliability of Network Reset.
      • Increased the number of flows available for logical connections.
      • Addressed an issue with source address settings in CSTs.

      SEL-5057 SDN Application Suite

      Software VersionManual Date CodeSummary of Revisions
      • Improved audit support for layer-two-only hosts.
      • Improved support for audits with traditional switches in the network.
      • Filtered audits for TCP Port 0.

      SEL-5073 synchroWAVe Phasor Data Concentrator (PDC) Software

      RevisionFirmware IDStart DateSummary of Revisions
      R116-V2SEL-5073-R116-V2-Z008005-D2020091102/25/2021General operational improvements.

      SEL-5078-2 synchroWAVe Central

      RevisionStart DateSummary of Revisions
      • Added subgroup capability to views.
      • Added option to configure number of significant figures for Numeric Display.
      • Added minimum y-axis scale option for Standard Chart.
      • Added option to configure signal line thickness on Standard Chart.
      • Increased web client data export limit.

      SEL-5601-2 synchroWAVe Event

      RevisionStart DateSummary of Revisions
      • Improved performance of custom calculations.
      • Added COMTRADE file format to Data Export option.


      RevisionStart DateSummary of Revisions
      • Initial Version

      SEL Compass

      RevisionStart DateSummary of Revisions
      • Added support for SEL Grid Configurator.
      • Replaced pacparser with Windows system calls for the parsing of PAC files. Pacparser, an open-source component, had a vulnerability that could allow memory overwrites.
      • Addressed issue where Compass could not load local package data on computers with a time format that uses periods rather than colons as a separator character.
      • Addressed issue where local time, rather than UTC time, was incorrectly used to validate HTTPS certificates.
      • Addressed issue where Compass incorrectly reported success when it failed to import a QuickSet driver package.
      • Established acSELerator Database ODBC Driver as a required component of the acSELerator Database. If a user chooses to install the acSELerator Database, the ODBC Driver is also installed.
      • Randomized the performance of update checks to between the hours of 12:00 AM and 6:00 AM to diffuse traffic to
      • Improved warning message displayed when Compass cannot validate an HTTPS certificate. Message now recommends that users run Windows Update.
      • Improved HTTPS certificate validation. Compass can now use a browser control in attempting to retrieve missing Root CA certificates to validate certificates when users access


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