Experimental Physics and
Industrial Control System

Mark Rivers via Tech-talk <tech-talk at aps.anl.gov> · Wed, 22 Nov 2023 15:07:50 +0000

You need to put PP at the end of your OUT link to force the second record to process.

Mark

Sent from my iPhone

> On Nov 22, 2023, at 8:41 AM, Gerrit Kühn via Tech-talk <tech-talk at aps.anl.gov> wrote:
> 
> Am Wed, 22 Nov 2023 11:44:03 +0100
> schrieb Ralph Lange via Tech-talk <tech-talk at aps.anl.gov>:
> 
>> So my description was biased. Yep, that happens.
> 
> But it was perfectly reasonable, all fine. :)
> 
>> Small database is a good approach for your size of problem. On the same
>> IOC is good, as you don't have to handle disconnects.
> 
> I guess I still fail to understand how even the simple things work. I have
> made the following for testing now:
> 
> ---
> record (calcout, "$(CHAN)_DUTY_CYC") {
>  field (DESC, "duty cycled output")
>  field (VAL,  "10") # 1st cycle time
>  field (INPA, "10") # cycle time
>  field (CALC, "VAL-1")
>  field (OUT, "$(CHAN)_DUTY_TEST")
>  field (OOPT, "Transition To Zero")
>  field (SCAN, "1 second")
> }
> 
> record (ao, "$(CHAN)_DUTY_TEST") {
>  field (VAL, "11")
> }
> ---
> 
> 
> The idea was to have the first channel count down seconds from a given
> value and then write out to a diffreent channel and make that one process.
> The countdown works as expected, I can follow it with camonitor. However,
> it looks like the OOPT is never hit even though the counter goes below
> zero. The second channel never changes and stays at the default value "11",
> it looks like it is never written to. What am I doing wrong?
> 
> 
> cu
>  Gerrit

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System