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Thread: How to enable measurement continuously in remote state


Permlink Replies: 2 - Pages: 1 - Last Post: Nov 28, 2011 4:17 PM Last Post By: huizhao
huizhao

Posts: 5
Registered: 11/21/11
How to enable measurement continuously in remote state
Posted: Nov 28, 2011 8:57 AM
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I am using the Agilent DMM 34410A to measure the voltage remotely, with the CALC:FUNC AVER turned on. Whenever the meter is set to remote state, the "auto" measurement stops (the voltage reading does not change), and the count of the statistics function does not increment. Whenever the meter is switched back to local state, the voltage reading keeps changing (means the measurement is taken continuously), and the count of the statistics keeps incrementing (until the limit is reached). I can make one measurement in remote state with the command INIT, but can't make the measurement continuously like the in local state. How do you enable the contiuous measurment and obtain the average of the all the measurements?
lhornburg

Posts: 476
Registered: 01/15/10
Re: How to enable measurement continuously in remote state
Posted: Nov 28, 2011 3:17 PM   in response to: huizhao in response to: huizhao
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What you need to do is set a either a sample count, or a trigger count.

example,

SAMP:COUNT 500 This tells the instrument to take 500 readings per trigger. So if you initialize the instrument 1 time with the INIT command, it will take 500 readings.

Alternately you can set a Trigger count intsead, TRIG:COUNT 500, which will set the instrument up to accept 500 triggers after it has been initialized with the INIT command. If you have the trigger source set to immediate, TRIG:SOURCE IMMEDIATE, The instrument will automatically trigger 500 times, if you set the trigger source to external or bus the instrument will only trigger on an external trigger or a *TRG, and basically you would have to send 500 triggers.

If you decide to use the commands together basically you end up with SAMP COUNT * TRIG COUNT = total samples. So if they were both set to 10, you would end up with 100 total readings.

Let me know if that helps answer your question.
huizhao

Posts: 5
Registered: 11/21/11
Re: How to enable measurement continuously in remote state
Posted: Nov 28, 2011 4:17 PM   in response to: huizhao in response to: huizhao
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Thank you for your reply. It's working per explanation.

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