Dear Lee, 

In order to have instantaneous value from your text file, you have to 
put a 0-value in "Average or Instaneous Value" (from appropriate text 
file column) in Parameter tab :
    - 0 : instantaneous value
    - 1 : average value
The default value is 1, so you have to change it to obtain instantaneous 
value.

Best regards, Adrien

[EMAIL PROTECTED] a écrit :
> Dear Trnsys users.
>
> I try to use Type9a to read weather data from a file.  However, I find 
> that the read data are average between present and previous time steps 
> (although I have selected instantaneous value in the proforma).  Can 
> anyone advise what's going wrong?  What will be the difference if I 
> choose 0 as the starting simulation time?  Your reply will be highly 
> appreciated.  Thank you!
>
> Best Regards
> LEE, Chun Kwong
> PhD student
> Department of Mechanical Engineering
> University of Hong Kong
>
>
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-- 

***************************************************************
Adrien JEZEQUEL 
Ingénieur en Simulations Dynamiques
ITF (Ingénierie Tous Fluides)
87, route de Chambéry
73230 ST ALBAN EN LEYSSE
FRANCE
Tel: 04.79.75.00.29
Website: www.itf.biz
Mail : [EMAIL PROTECTED]


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