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We are finding that there needs to be a delay between the VISA Write and the VISA Read in order for the power meter to return a current value consistently.
If the delay is too short, i.e. 50 ms the power meter returns "zero" on every 2nd execution in a command loop.
If the delay is 200 ms the power meter returns the command consistently in the command loop but that meant it was almost a second for every query which is slow.
What is the expected amount of time (delay) for the power meter to process the command "MEASure:CURRent? CH1" consistently ?
- Keithley Applications
- Posts: 2845
- Joined: June 10th, 2010, 6:22 am
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The 2200 series supplies are basically slow.
I would expect about 150msec for responses.
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