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Subject: Re: check what is caput doing
From: Ralph Lange <[email protected]>
To: EPICS Tech-Talk <[email protected]>
Date: Wed, 10 Sep 2014 09:44:18 +0200
On 10/09/2014 09:11, zunbeltz wrote:
Dear all,

I have an epics installation. Things are working fine, I can store data to the DB and access to it using CSS. Now I an checking the command line utilities. caget prints the correct value of the numbers but caput is not working fine.

It doesn't print an error message. Just says that the new value I pass to caput is the the same as the old value i get with caget.
Where should I look to see what is happening?

Thanks in advance for your help

Zunbeltz


The "cainfo" command line tool will tell you if you can connect successfully, and if you have the necessary access rights. (Which you should have if caput does not show errors.)

Some records have mechanisms (like the DRVH/DRVL drive limits of the ao record or the OMSL mode selection of many output records) that would reject certain values written to the PV. Some fields of some record types cannot be written to at all through Channel Access (see the Record Reference Manual for details on that).

What value are you trying to write to which field of what record type?

Cheers,
~Ralph



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