Synchronize subvis SMU and DAQ

Hello

I am trying to build a VI in which a DAQ 6368 outputs an arbitrary function, and a bed SMU4141 the trace underway, each sample to ~ 10 kHz. I want that the acquisition of data to read it's own output voltage at the same time. In this way, I get a trace of tension of the acquisition, data and track being SMU allowing me to make curves of IV. I want the voltage and current traces having the same number of data points and on/off switch at the same time.

Now I think that my VI is too complicated - I separate subvis for DAQ and EMS equipment, and I'm trying to use triggers to synchronize their departures.

Can someone help me along here? I use the right architecture still do this? I have attached a few screenshots of my attempt to trigger and the VI total.

In classic mode, I was able to solve my problems as soon as I made them public.

Basically, I have my DAQ output buffer manually the value 0 (required for PID loops). THE DAQ acts as a 'master', and it sends the trigger "/ XDAQ_1/AI/StartTrigger", which is read by the trigger measure SMU. Also, I realized that I had to make the largest buffer for THE DAQ (what that standard OR buffer table is). Finally, the PI/synchronization loop works best if the PI is 0,5 s as opposed to 1 s - more rapid turnover of data and less buffering, I guess.

Tags: NI Software

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