Experimental Physics and Industrial Control System
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For 3.14 the limit is 60 characters not including a terminating null byte.
For 3.13 the limit is 28 characters not including a terminating null byte.
There may be some CA applications that do not accept the longer names
but all the major tools should be OK. I believe that SNS has many PV
names with more than 28 characters and would have complained if they
found problems.
Gavin Smith wrote:
Hello All,
What is the character limit on the length of PV names in EPICS? I have
seen things referring to 28 chars, 40 chars and 60 chars. Whilst I
have sucessfully made a record with a double alphabet name (i.e.
26x2=52 chars) I am wary that other programs (such as EDM) may have
different limits.
Thanks,
Gavin Smith.
- References:
- Question about length of PV names Gavin Smith
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ANJ, 02 Sep 2010 |
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