From time to time TTi makes updates to the firmware of the power supply and its digital bus interface available.  This firmware resides in Flash RAM and may be updated using the USB interface.

Note that the QPX600D is not field upgradeable because it has no USB interface.

The latest firmware versions is: 1.10.

File Downloads (right click to save)   

TTi Firmware Flash Update Utility

This program can be used to update the firmware on several TTi products over the USB interface connection. A readme file is included.

TTi Update Hex File for v1.11

This is the actual firmware update as a Hex file.  The TTi Flash Update Utility (see above) is required. 
 

Firmware Update History

V.111 (supersedes v1.10)
Fix problem with USB connection whereby a minority PCs show high CPU usage particularly when more than one unit is plugged in.

V1.09
Improves calibration range for current monitor output.

V1.08
Fixes a bug where, very occasionally, some units 'lock up' on start-up.

V1.07
This release fixes a bug that caused changing the LCD contrast not to show the change until it was confirmed.

V1.05
This release fixes a bug that can occasionally cause corruption of the LCD display.

V1.03
This release fixes a bug that prevented setting store 0 from being accessed remotely.

v1.02
Speeds up calibration routine.
Provides immediate correction of any display corruption.
Allows entry to voltage tracking mode (V1=V2) with the outputs set to On, providing both outputs are set to the same voltage.