Experimental Physics and
Industrial Control System

"Mark Rivers" <[email protected]> · Thu, 12 Jul 2007 12:52:22 -0500

I think it would be a bad idea for a record to change the SCAN field.
That is something that you should let the database designer do.  They
may want to use your record in ways you never thought of.

However, if you really want your record to process again when something
happens then the record code can request reprocessing without changing
the SCAN field.  There are several ways to do this (scanOnce,
processRequestProcessCallback) depending on the application.  Look at
the Application Developer's Guide.

Mark

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Heinrich du Toit
> Sent: Thursday, July 12, 2007 9:05 AM
> To: TechTalk EPICS
> Subject: Scan question
> 
> Can I change the SCAN field at runtime?
> E.g. inside my own custom record.
> 
> Some devices normally needs only be scanned say once a sec or every 5
> secs. But then when you change the value you want the scanned 
> faster at
> say 0.2 secs.
> 
> 
> 
> 

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System