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I am novice research scholar and using labview with keithley Instruments to read and draw characteristics.
I am using 224 Programmable current source and 181 Nanovoltmeter. Instrumentation setup is fine and both device working properly.
But Nanovoltmeter is unavailable in NIMax.
How can I read data from both device simultaneously to draw a V-I Diagram from a given resistance.
Please help me how to draw the VI.
- Keithley Applications
- Posts: 2847
- Joined: June 10th, 2010, 6:22 am
- Country: United States
They respond to the old Device Dependent Commands (DDC).
This means T for trigger, R for range and so on.
They both have GPIB as a communication bus.
One thing to remember, the command string will not be processed until the X character is received.
There are no example programs available to control these two particular instrument together.
You will have to write a program to set a current on the 224 and then take a reading on the181.
Do this in a loop to get an IV curve.
hope this helps.
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