<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Jan,<div><br></div><div>I’d use two instances of Type 42. The first is a single independent variable that takes temperature and returns category. The second Type 42 would then be a two independent variable that takes category and climate region and returns your table value.</div><div><br></div><div>Jeff <br><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On Apr 6, 2022, at 7:43 AM, Böttner, Jan via TRNSYS-users <trnsys-users@lists.onebuilding.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">
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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal">I am trying to implement the VDI 4655 into TRNSYS. Maybe someone knows it and allready used it – then I’d appreciate if you could tell me, how you did it.<o:p></o:p></p>
<p class="MsoNormal">Otherwise it doesn’t really matter what the VDI is about.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">My problem is the following:<br>
<br>
I know how to implement a data file, that has time-dependent values and that is read for each timestep (Type 9e).<br>
But what I need is a Type, that just reads values in that can then be accessed.<o:p></o:p></p>
<p class="MsoNormal">I try to explain what I mean exactly.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Depending on the outside temperature, a day is classified into a category (e.g. 3 categories.) Depending on this category, a factor is applied to a formular. Furthermore, the factor is also dependend on a climate region (e.g 15 regions).
<o:p></o:p></p>
<p class="MsoNormal">So that means, i want to insert the Matrix (15*3) into TRNSYS and then, a secific value is chosen, depending on the input variable. E.g. the temperatur is 10°C which means category 2 and the climate region is No. 4 (Input 1 (category):
2, Input 2 (region) 4). I therfore want the entry X2Y4 of my Matrix as the output.<br>
<br>
Is this even possible? Or do i have to insert that Matrix into the F90 code of a new type?<br>
<br>
Any help is highly appreciated.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Best regards,<br>
Jan Boettner<o:p></o:p></p>
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