RTR500BW Firmware Update Tool

Software for updating the RTR500BW firmware.


Software for updating the RTR500BW firmware.

Compatible ProductsRTR500BW
VersionVer. 1.00.13 (February 18, 2021)
File Nameapp_rtr500bw-firm-10013-all-all.exe
File Size6.20 MB
Operating EnvironmentCompatible OS *1
Microsoft Windows 10 32/64bit English
Microsoft Windows 8 32/64bit English
Microsoft Windows 7 32/64bit English
CopyrightT&D Corporation
ReplicationCopying to another media is expressly forbidden
*1: For installation, it is necessary to have Administrator (Computer Administrator) rights.

Important Note

Please also update your RTR500BW for Windows if it is not the latest version.

Firmware Update Procedure

  1. Please make the following preparations before update:
    ・Before connecting a USB cable, make sure that the PC has the USB device driver installed. (By installing the application "RTR500BW for Windows", the USB device driver will also be installed.)
    ・Exit all T&D applications (such as the Settings Utility) running on your computer.
    ・When a LAN cable is connected to RTR500BW, remove the LAN cable from the device.
    ・Using a USB cable, connect the RTR500BW to the PC in which "RTR500BW Firmware Update Tool" will be executed.
  2. Execute the downloaded "RTR500BW Firmware Update Tool".
  3. Please follow the instructions on the screen to update the Firmware.

Revision History

Ver. 1.00.13 February 18, 2021

  • Added support for the RTR-602.
  • Fixed a problem that occurred when sending the scale converted pulse data (with scale conversion function) to T&D WebStorage Service, where only [converted unit] was displayed with the measurement instead of [converted unit] / [rec interval].
  • Fixed a problem that occurred when sending current readings of RTR-574/576 to T&D WebStorage Service and wireless communication failed, where the updated time indication was not displayed correctly.
  • Fixed a problem where periodic communication with the server was not carried out and setting changes were not applied to the RTR500BW when no Remote Units were registered and autonomous operations such as current readings transmission and warning monitoring were set to OFF.
  • Fixed a problem where changes in autonomous operation settings were not applied to the RTR500BW correctly from the mobile app ”T&D 500B Utility” via T&D WebStorage Service.
  • Added USB and Bluetooth connection/disconnection log to the operation log file.
  • When a warning occurs and recovers within the warning monitoring interval, the alarm contact is now turned on for 10 seconds, the same as the previous model (RTR-500NW/AW).
  • Improved network connection stability.

User Agreement


  1. Although T&D Corporation has carried out operational tests on T&D Graph, hereafter referred to as "the software", we cannot guarantee that all operations will work properly under all conditions.
  2. T&D Corporation shall not accept any responsibility for any damage whether direct or indirect that results from the usage of the software.
  3. Specifications of the software may be subject to change and service may be terminated without advance notice to the user. In such a case T&D Corporation shall not be responsible for any damages whether direct or indirect from the inability to use the software.
  4. T&D Corporation has no obligation to correct any defects found in the software.


  1. All copyrights for the software, including all of the programs and all related documents, are the sole property of T&D Corporation.
  2. The software is for use free of charge. Redistribution is permitted as long as it is to others for non-profit. In this case, all terms and conditions as written in the above disclaimers automatically transfer and hold true and valid for the party to which the program was redistributed. Please note that if you wish to commercially redistribute the program please contact your local distributor or T&D representative.
  3. The reprinting or redistribution for commercial purposes whether in part or in whole, in magazines or as a part of any product is strictly forbidden without the expressed consent of T&D Corporation. Any inquiries concerning commercial redistribution should be directed to the Sales Department of T&D Corporation.
  4. Please do not attempt to make any changes or modifications to the software.
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