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<== Date ==> <== Thread ==>

Subject: question about previous value of ai
From: "Silver" <marco_hair@163.com>
To: "tech-talk" <tech-talk@aps.anl.gov>
Date: Wed, 9 Mar 2011 15:55:51 +0800
hi, 

  I use an ai record to retrive the value from hardware, in my SNL program, I want to compare the previous value of ai and the new value, then do some action.
  how can I get the previous of ai?
  Can anyone give me some hints? thanks a lot for your help.


Best regards
Geyang  2011-03-09



Replies:
Re: question about previous value of ai Ralph Lange

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