The first data value is the sample rate, which is the same for both channels, and it reads correctly on either channel. The second data value is the full scale voltage. I get the correct value for Ch 1 on any scale; however, on Ch 2 I get a value of 96 instead of 16 when the voltage scale of 2V is selected. I get the correct value on other scales–only happens on max scale of 2V. The result is the same if I turn Ch 1 off. I still get a reading of 16 on Ch 1 and 96 on Ch 2. This is the same on two units, the second one right out of the box. Anyone else observe this?
The value of CH2 at 2V/div was wrong in the old version of the PcLab2000SE program.
You can download the latest version 3.1 from Velleman site. (Updated in May 2009)
Also updated drivers are available.
velleman.eu/distributor/supp … e=PCSU1000
The channel data and the settings are sent via the DLL to external application even if the trace display is turned off.