LABPS3005D USB Power Supply

The LABPS3005D is a power supply with USB functionality. It comes with a small CD that provides software and drivers for Windows only. The software is buggy and I want to run it from Linux.

Serial Communication

The CD also provides a sheet with serial commands:

LABPS3005D Communication Protocol 1.3 [pdf]

Not all the commands in the sheet actually work. It turns out that it is not possible to use channel 5.