<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Toni, <div><br></div><div>You didn’t specify which version of TRNSYS and which version of the Tess Libraries you are using so it is hard to diagnose, but it sure seems as if you have a mismatch between the proforma and the DLL. Check your list file to see which library Type 980 is being loaded from.</div><div><br></div><div>Jeff <br><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On Feb 28, 2023, at 4:18 AM, Toni Calabrese 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">Dear Trnsys users,<o:p></o:p></p>
<p class="MsoNormal">I am having a problem with Type 980. We would like to implement an exit strategy “<span style="color:red">CtrlExitStrategy</span>” in case a temperature in the thermal energy storage “<span style="color:red">Tsen3_Tes1</span>” drops below
the set temperature “myT_set_MixSh_Ref” for more than 24h. Below what I implemented.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Basically I give as input for Type 980 <span style="color:red">
CtrlTTesSh </span>and it should give me as output how many hours the control has been 1, right? Then with the last equation
<span style="color:red">CtrlExitStrategy </span>will be 1 if the output of the type has reached 24h. Is there something wrong?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Without this new block, the model works properly, but with this new block it tells me that there are errors in the number of parameters and outputs of this type 980 (see below). Can you help me? <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:red">EQUATIONS 1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">CtrlTTesSh = LT(Tsen3_Tes1,myT_set_MixSh_Ref)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:red"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:red">UNIT 2 TYPE 980 Type980<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">PARAMETERS 1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">1 ! 1 Number of Signals to Watch<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">INPUTS 1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">CtrlTTesSh ! [unconnected] Input Control Signal<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">*** INITIAL INPUT VALUES<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">0. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">*------------------------------------------------------------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">EQUATIONS 2<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">CtrlTTesShDuration = [2,1]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">CtrlExitStrategy = GT(CtrlTTesShDuration,24)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red"><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-top:4.0pt"><b><span lang="DE-CH" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D">Toni Calabrese</span></b><span lang="DE-CH" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D">, MSc.</span><span lang="DE-CH" style="font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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