[TRNSYS-users] Question about Type93

David BRADLEY d.bradley at tess-inc.com
Wed Oct 15 07:28:25 PDT 2014

   I just made a quick test of Type93 and it appears to me to work the 
way the documentation says (and the way you understand it). In other 
words the first output is the current value of the input. If you are 
seeing something different then please send your project (and any filed 
needed in order to run it) to your distributor for them to have a look.
Kind regards,

On 10/15/2014 08:29, Arnaud Candaele wrote:
> Hi all,
> A short question about type93 (Input Value Recall).
> I link an output of one of my EQUATIONS modules to the input of 
> Type93. It has only this input, and I specify "2" as the number of 
> timesteps to be stored. So, if I'm not mistaken, the 1st output of 
> Type93, called "Inp-Step-1" should be exactly the same value as the 
> input of that same Type93 module... right ? And that's the current 
> value of my variable in my EQUATION module.
> But when I plot all that, it's more like "Inp-Step-1" is the value at 
> PREVIOUS timestep, and "Inp-Step-2" is the value 2 timesteps before.. 
> That's not what the documentation seem to say..
> Can anyone help ?
> Why would I want to access the current value of a variable that I 
> already got ? ==> because I'd like to use an equation of the type A = 
> A + B .. but that's forbidden in the EQUATION module.. so I'd use the 
> recalled value in that equation.
> Thanks !
> Arnaud.
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Thermal Energy Systems Specialists, LLC
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d.bradley at tess-inc.com


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