Real-Time Measurement and Control

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Write to GPIB at a specific time in AO waveform

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I would like to write a command to GPIB (using "GBIP Write.vi") at a
specific time in every iteration of buffered analog output.
But I have two question:

1. all iterations are generated at once by "AO Start.vi" ,how could I
write to GPIB in every iteration?

2. to write to GPIB at a specific time in each iteration,I must use
"Wait(ms).vi" to wait for a certain time,but this is not accurate
(delay>1ms)

P.S 1.the GPIB instrument is a function generator without external
trigger.
2.I have a timing board(PCI 6602) but I don't know whether it is
helpful.

Thank you for your help.
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Hello;

All the GPIB calls are software time. Due to that fact, you can't route any signal from the DAQ board to sync the GPIB.
Regards
Filipe
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