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Subject: 答复: Question about string operation in epics db ?
From: lzf neu <lzfneu@live.com>
To: Iain Marcuson <Iain.Marcuson@sydorinstruments.com>, "tech-talk@aps.anl.gov" <tech-talk@aps.anl.gov>
Date: Mon, 17 Apr 2017 13:44:28 +0000

Thanks, it's a good idea. howeve, I want to change the PV value in db record, then display the PV in CSS rather than make the operation  in CSS. Any other idea? Thanks.



发件人: Iain Marcuson <Iain.Marcuson@sydorinstruments.com>
发送时间: 2017年4月17日 13:20
收件人: lzf neu; tech-talk@aps.anl.gov
主题: RE: Question about string operation in epics db ?
 

Have you tried using a Rule to change the foreground color?  I can change the foreground to something other than its default using a rule, but I cannot figure out the semantics of specifying a specific value to change on.

 

Iain.

 

From: tech-talk-bounces@aps.anl.gov [mailto:tech-talk-bounces@aps.anl.gov] On Behalf Of lzf neu
Sent: Monday, April 17, 2017 9:16 AM
To: tech-talk@aps.anl.gov
Subject: Question about string operation in epics db ?

 

Hi, 

 

I have a question to consult you.

 

PV name: "Global-second2_dword" is used to display 60 seconds countdown from PLC.

 

If the seconds countdown is less than 10, it displays a single digital in terminal. Now I want to add zero in the left of the single digital. eg.09,08,07,06,05,04,03,02,01,00.

 

Maybe string operation may solve the problem. I have tried  "scalcout" record, but epics displays the error message:

Record XXX is of unknown type "scalcout" and I have no idea how to write the db.

 

I have post the record in the following lines:  

 

####################################

record(ai, "Global-Second")
{
    field(DTYP, "s7nodave")
    field(INP, "@s7_300 (PG=.2s) MW60")
    field(SCAN, "I/O Intr")
    field(FLNK, "Global-Second2_dword")
}

record(calc, "Global-Second2_dword")
{
        field(INPA, "Global-Second.VAL")
        field(CALC, "A/10")
}

####################################

Any help will be apprecieated and thanks in advance!

 

Zhefu


References:
Question about string operation in epics db ? lzf neu
RE: Question about string operation in epics db ? Iain Marcuson

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