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4287 intermittent data corrupt or stale error

Question asked by ClaudeTurner on Oct 14, 2019

We are getting intermittent "Data corrupt or stale" errors on our 4287A(s).  I am having a hard time understanding this error message.  After every command we have a "wait_complete()" loop where we send "OPC?" and check the return for something besides '0' (zero).  Can someone tell me exactly what can cause this error?  Since this is intermittent I assume I have a timing issue somewhere, but it only happens in production, not on my dev box.

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