Hi Rana,<div><br></div><div>You can:</div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><div>- define your external shading factor as an input of type 56 (let's say "ESF1") </div></blockquote>
<blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><div>- create an equation box in the simulation studio (Assembly > insert new equation). </div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;">
<div>- define in the equation box an input (IB_X) linked to the beam radiation value (weather data reader -> Type 99 or 109)</div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><div>- define an output as : <i>ESF1_value = ge(IB_X,972)</i> (because 270 W/m² = 972 kJ/h.m²) <br>
-> it is equivalent to say "<i>if IB_X >= 270 W/m² then ESF1_value = 1 else ESF1_value = 0</i>"<br> </div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><div>- link this output ("ESF1_value") to the type56 input ("ESF1")</div>
</blockquote><div><br></div><div>Regards,</div><div><br></div><div>Damien.</div><div><br></div><div><br><div class="gmail_quote">On Wed, Nov 23, 2011 at 4:08 PM, Rana Mohsen <span dir="ltr"><<a href="mailto:r.mohsen@live.com" target="_blank">r.mohsen@live.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">
<font face="Tahoma" size="2">Hi all,</font><div style="font-family:Tahoma;font-size:10pt"><br></div><div style="font-family:Tahoma;font-size:10pt">i am having a building with internal and external shading system. the external shading system is on when it the irradiation on window reaches 270w/m2 or more, and if it is less it went off. and i want to put this in the simulation by using a control function and connect it to my input,,, so which control function could be used is it type 2d or the PID controler type 23..</div>
<div><font face="Tahoma" size="2">and if it is in the 2d, how to put this number.</font><br><br><div style="font-size:10pt;text-indent:0px!important;font-family:'Times New Roman'"><font face="Tahoma" style="text-indent:0px!important" size="2"><span style="text-indent:0px!important"><i><span style="text-indent:0px!important;color:rgb(63,63,63)"><font>B</font></span><font style="text-indent:0px!important" color="#3f3f3f">est Regards</font></i></span><font style="text-indent:0px!important" color="#595959">,</font></font></div>
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