synchronize DMM

[ludis@no.email]

which solution to use to synchronize the measurement of 2 DMM (4070) PXI?


Thank you.

[DOC-doc]

What do you want to do exactly

What software you use

DAQ / DAQmx

[ludis@no.email]

I use NI-dMM under labview 7.1 (... the function trigger is the same one
that DAQmx..)
I would like, like does it the GPIB, trigger the chart simultaneously.

[logman]

I would take a look at the NI-DMM example programs in LabVIEW under Help>>Find Examples. From there, browse to "Hardware Input and Output >> Modular Instruments >> NI-DMM >> Triggers". I am still not totally clear what type of trigger you are looking for, but you could use the Acq Multiple Samples - Ext Trig.vi and duplicate it so that you can execute it on both DMM boards at the same time. If you used the same external trigger for both DMMs, then it would synchronize the start of their acquisitions.

[ludis@no.email]

thank you for your interest,
the example "NI-DMM >> Triggers" is good, but how to be on that labview
execute the 2 triggers in same time?
In GPIB solution , a trigger on a adress list is possible.
the trigger NI-dmm is possible that on 1 only instrument ( ...ex.:
software trigger).
If the 2 triggers are placed in sequential-box, will they really be done
in same time?