[newbie] problem with usbtmc-communication

2012-12-04 Thread Jean Dubois
The following test program which tries to communicate with a Keithley 2200 programmable power supply using usbtmc in Python does not work as expected. I have connected a 10 ohm resistor to its terminals and I apply 0.025A, 0.050A, 0.075A en 0.1A, I then measure the current and the voltage en write

Re: [newbie] problem with usbtmc-communication

2012-12-04 Thread wrw
On Dec 4, 2012, at 7:14 AM, Jean Dubois jeandubois...@gmail.com wrote: The following test program which tries to communicate with a Keithley 2200 programmable power supply using usbtmc in Python does not work as expected. I have connected a 10 ohm resistor to its terminals and I apply 0.025A,

Re: [newbie] problem with usbtmc-communication

2012-12-04 Thread Terry Reedy
On 12/4/2012 7:14 AM, Jean Dubois wrote: The following test program which tries to communicate with a Keithley 2200 programmable power supply using usbtmc in Python does not work as expected. I have connected a 10 ohm resistor to its terminals and I apply 0.025A, 0.050A, 0.075A en 0.1A, I then