Experimental Physics and
Industrial Control System

> 
>     I found out that when I access channel values through
> ca_get_callback
> the time stamp (ftltval.stamp.secPastEpoch) does not update.  In fact it
> only updates when the channel value changes.  Am I doing something wrong
> or is this part of Epics by design.

Database record time stamps update when the record is processed. The ca
get operation acquires a consistent set of {field value, time stamp, alarm
status}, but this does not cause the record to be processed. 

Jeff

References:

Time Stamps in Channel Access Vitaliy Ziskin

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