AMT Viewpoint™

Change Log

Latest Version:

Release Date: October 25th, 2023


  • Fixes erroneous error regarding programming module thrown due to most recent FTDI drivers.

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Previous Versions

Release Date: July 7th, 2020


  • Fixes bug that shows incorrect commutation direction for AMT31 and AMT33 encoders.

Release Date: June 11th, 2020


  • Fixes bug that would cause AMT332D and AMT333D encoders to not be detected.

Release Date: May 14th, 2020


  • Updated firmware revision for all AMT21 encoders to 0x16 which fixes a bug that occurs during RS-485 collisions.

Release Date: November 7th, 2019


  • Added support for AMT21 E/F/G/H adjustable datarate encoders
  • Fixed issue with AMT22 not communicating position or allowing alignment
  • Installation path changed to remove CUI Inc

Release Date: August 13th, 2019


  • Added support for AMT13 and AMT33 encoders
  • Fixed issue with encoders not connecting
  • Added button to reconnect encoder
  • Fixed issue with default theme mode

Release Date: April 23rd, 2019


  • AMT21 and AMT23 firmware revision increased to 0x11
    — Firmware update fixes issue that prevents encoder startup under some conditions
  • Fixed issue where encoder would disconnect after programming
  • AMT Viewpoint now blocks additional instances of application from opening
  • Fixed issue where installer would ask for .NET 4.5 and 4.7.2
  • Added fields to diagnostics for AMT11 and AMT31 encoders
  • Fixed issue that prevents AMT Viewpoint from opening if no cables are connected
  • Light theme now set as default

Release Date: April 2nd, 2019


  • Ground up redesign for improved performance
  • Added light and dark themes
  • Fixed functionality for AMT21 and AMT23 encoders
  • AMT21 and AMT23 firmware revision updated to 0x0F
  • Added abilitiy to set node address for AMT21
  • Added support for AMT22, AMT13, AMT33
  • Added diagnostics for AMT21, AMT22, AMT23
  • AMT Viewpoint longer rejects programming for prototype firmwares

Release Date: January 30th, 2018


  • Fixed bug with zero set in v15 firmware for AMT11 and AMT31
  • Added support for AMT23 series absolute encoder

Release Date: December 20th, 2017


  • Added support for AMT20 encoders
  • Added 360 and 2500 PPR resolution for AMT11 and AMT31 encodes
  • AMT11 and AMT31 firmware version updated to v15
  • FTDI CDM driver installer now included in Viewpoint installation

Release Date: May 24th, 2016


  • Fixed bug where AMT31 encoder direction displays incorrectly
  • Fixed bug where AMT Viewpoint would crash if using prototype firmware
  • Improved serial communication with encoders
  • Improvements to diagnostics tool

Release Date: January 26th, 2016


  • AMT Viewpoint now automatically checks for updates at startup
  • General performance improvements

Release Date: January 22nd, 2016


  • Establishment of proper software versioning
  • Updated to v12 encoder firmware
  • Added additional encoder information to diagnostics file
  • Improved handling of encoders using customer specific configurations
  • Firmware revision is no longer noted in decimal format
  • Target performance improvements

Release Date: February 27th, 2015


  • Updated to v11 encoder firmware
  • Addresses periodic first scan error causing the encoder to not be found by the software

Release Date: August 4th, 2014


  • Initial release