TC300 - Firmware Changelog
This firmware is an internal device program for the TC300. For installation instructions, please consult the user manual.

Changelog

Dec-29-2021	V2.1.0
-	Release

Jan-04-2022 	V2.1.1
-	BUGFIX: Fixed the bug where for some TC300 units, the voltage value sometimes can’t be detected when two channel outputs are enabled at the same time. 
Jan-11-2022 	V2.1.2
-	BUGFIX: Fixed the bug where for a TC300 unit, occasionally, the voltage value can’t be detected when two channel outputs are enabled at the same time. 
Jan-25-2022 	V2.1.3
-	BUGFIX: Fixed the bug where for some TC300 units, there is no LCD display after TC300 Firmware is loaded at the first time in the production phase. 

Sep-1-2023        V3.2.5
  OPTIMIZATION: 
-                               Add PID Auto-Tune function.
-                               Add watchdog function in App firmware.
-                               Optimize Key response sensitivity.
-                               PID parameter range update from(0-9.99) to (0-99.99).
-                               Over Voltage has been changed from error to warning.
 BUGFIX:        
PT1000 temperature calculation error.
-                               Trig input function failure when power on.
-                               CH2 out of control when in sync mode, happened by chance.

Oct-19-2023        V3.2.6
 BUGFIX:        
- 	 Temperature calculation inaccurate in NTC1 mode and NTC2 mode.
Mar-4-2024        V3.2.7
OPTIMIZATION: 
	PT100&PT100 OFFSET update from ±10℃ to ±100℃
	Reduce AUTOTUNE process time.
	Reduce overshoot of step response.
BUGFIX:   
	DARKMODE can’t recover.
	Push button will return blank reply on serial port.
Apr-19-2024        V3.2.8
BUGFIX:
Communication feedback error.