Download the appropriate firmware update and MSLoad utility software below. This firmware update contains all fixes to date. Only the latest firmware update needs to be programmed into the TriStar MPPT.

TriStar MPPT 30 & Tristar MPPT 45 Processor A Firmware Update (TSMPPT 30 & TSMPPT 45 Only)

Firmware History

v32b
  • EE access bugfix causing watchdog trip and subsequent lowside FET turn on
v29.1
  • test mode autozero fix
  • vb hvd disabled in test mode
  • split of 100Hz/10Hz tasks to make time & fix resets
v26
  • Production release containing v24 fixes
v24
  • Enhanced protection for improper shutdown (battery removal with solar still connected)
  • Enhanced accuracy for current offset zeroing
  • Updated enable line for gate drive bootup
v22
  • Fixes Ethernet communications issues relating to EEPROM access.
  • Fixes underlying cause of symptoms such as:
    • Blank webpages (webpage displayed, but no data shown)
    • Periodic loss of Ethernet communications, both local and remote
    • Alarm 21: EEPROM communications problem
v17
  • Provides support for TS-MPPT-30 controller
  • Improved Array Current accuracy measurement
  • Minor bugfix relating to Battery Service Reminder
  • Minor bugfix EEPROM logger access
v14-v16
  • Not released to public
v13 (xx.0C)
  • Provides support for Wind Mode (IMPORTANT: this feature is still in BETA)
v12 (xx.0B)
  • (no info available)
v11 (xx.0A)
  • (no info available)
v10
  • Bug fix: occasional reset of DSP, failure to access EEPROM would cause issues with webview/COM access
v09
  • Not released to public
v08
  • Efficiency improvements at all voltages and power levels
v07
  • 1st production release

TriStar MPPT 60 Processor A Firmware Update (TSMPPT-60 / TSMPPT-60M Only)

Firmware History

v32b
  • EE access bugfix causing watchdog trip and subsequent lowside FET turn on
v29.1
  • test mode autozero fix
  • vb hvd disabled in test mode
  • split of 100Hz/10Hz tasks to make time & fix resets
v26
  •  Production release containing v24 fixes
v24
  • Enhanced protection for improper shutdown (battery removal with solar still connected)
  • Enhanced accuracy for current offset zeroing
  • Updated enable line for gate drive bootup
v22
  • Fixes Ethernet communications issues relating to EEPROM access.
  • Fixes underlying cause of symptoms such as:
    • Blank webpages (webpage displayed, but no data shown)
    • Periodic loss of Ethernet communications, both local and remote
    • Alarm 21: EEPROM communications problem
v17
  • Provides support for TS-MPPT-30 controller
  • Improved Array Current accuracy measurement
  • Minor bugfix relating to Battery Service Reminder
  • Minor bugfix EEPROM logger access
v14-v16
  • Not released to public
v13 (xx.0C)
  • Provides support for Wind Mode (IMPORTANT: this feature is still in BETA)
v12 (xx.0B)
  • (no info available)
v11 (xx.0A)
  • (no info available)
v10
  • Bug fix: occasional reset of DSP, failure to access EEPROM would cause issues with webview/COM access
v09
  • Not released to public
v08
  • Efficiency improvements at all voltages and power levels
v07
  • 1st production release
TriStar MPPT 60 Processor B Firmware Update (TSMPPT-60 & TSMPPT-60M Only)

This is the latest firmware update for Processor B (Networking and web server) of the TriStar MPPT-60 and Tristar MPPT-60M charge controllers.
To update the TriStar MPPT firmware, download this file and the MSLoad PC software utility found in the Related Items section on this page. This firmware update contains all fixes to date. Only the latest firmware update needs to be programmed into the TriStar MPPT. Also check for firmware updates for Processor A (charge controller) – see the related documents section for link. Compatible Models TS-MPPT-60 & TS-MPPT-6oM Firmware

Firmware History

v9.25
  • SMTP email server port is now configurable. Defaults to Port 25
  • Added user-definted SNMP trap names/descriptions
  • Added sysLocation 16 character string, viewable in SNMP browser
  • Bugfix: Negative temperature reporting in WebView log data
v5.19
  • Improved webpage performance: web pages load faster
  • Fixed display of firmware version formatting in webpage
  • Network page: fixed link color of TSMPPTMIB.zip file
  • Other minor aesthetic issues on webpages
v4.15
  • Correct scaling for Max Power Output Watts logged variable value (off by x10)
  • Updated copyright info
  • MSLogo clickable, links to MS corporate site
v4.14
  • 1st Production release