Hi Remi,
Have a look at the "Convert and Write Parameters" section of the ao
record documentation at
https://wiki-ext.aps.anl.gov/epics/index.php/RRM_3-14_Analog_Output#Convert_and_Write_Parameters
LOPR/HOPR are giving hints about the expected value range to
applications, they do not affect conversion.
You should use EGUL/EGUF or ESLO/EOFF.
Cheers,
~Ralph
On 27/06/2016 10:40, Remi Faure wrote:
Hi,
I have a simple question. All the examples I found about EPICS data
convertion starts from raw value (DAQ) to engineering unit value.
I don't arrive to make the opposite in a simple way. I want to write a
numerical data from CSS boy to an output value of a plc.
For instance I tried a longout or ao record , wich is passing directly
the 0/4095 value correctly. When I try to pass a 0/100% value and try
convert it in 0/4095 with LOPR, HOPR fields it fails.
In attachement a simple drawing of what I want to make here.
Thank you in advance for help.
Remi FAURE
LPSC Grenoble
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