[TRNSYS-users] Error message 19

[David BRADLEY]

Rabea,

  I am glad to hear it! If ever I know how to answer a question, it is 
probably because I have caused the problem two or three times myself...

David


On 08/12/2020 02:23, Rabea Sandherr wrote:
> David,
> Thank you very much. It works perfectly now.
> Best regards,
> Rabea
> *Gesendet:* Dienstag, 11. August 2020 um 21:06 Uhr
> *Von:* "David BRADLEY" <d.bradley at tess-inc.com>
> *An:* sandhera at hochschule-trier.de, "TRNSYS users mailing list at 
> OneBuilding.org" <trnsys-users at lists.onebuilding.org>
> *Betreff:* Re: [TRNSYS-users] Error message 19
>
> Rabea,
>
>   I think that if you delete the Type9 from your simulation and then 
> re-add it then the error might go away. TRNSYS refers to outputs by 
> two numbers separated by a comma. The first number designates the UNIT 
> number of the component producing the output and the second number 
> (after the comma) designates which output is needed. Something like:
>
> myEquation = [9,5]*32
>
> in the input file means the 5th output of UNIT 9 should be multiplied 
> by 32.
>
> From time to time, I have seen projects in which there was an 
> obviously incorrect UNIT number as in:
>
> myEquation = [2387538998347,5]*32.
>
> Since the Studio assigns unit number and writes the equation syntax, 
> you can't manually correct the equation itself. However, if you delete 
> the component that corresponds with the bad unit number, then add it 
> back again then the error usually goes away.
>
> kind regards,
>
>  David
>
> On 08/11/2020 09:54, Rabea Sandherr, BLV-EM via TRNSYS-users wrote:
>
>     Dear TRNSYS-users,
>
>     I'm generating different TRNSYS-decks for a storage parameter fitting. To read
>     the measured data I'm using Type 9c. For one of the decks I get the error
>     message 19:
>
>     "The specified UNIT number exceeds the current maximum UNIT number allowed.
>     Either change the UNIT number that caused the problem or increase the size of
>     the maximum number of UNITS allowed in a simulation. This value (nMaxUnits) is
>     set in TrnsysConstants.f90. You will have to rebuild the TRNSYS DynamicLink
>     Library if you increase the value of nMaxUnits
>
>     Reported information  : An equation refers to unit  3384 while the maximum
>     unit number is currently  1000. The equation starts with Qdot_load_meas_W ="
>
>     I use this type in every deck and the data files usually are all more or less
>     of the same type. I would prefer not to change the nMaxUnits value. Do you
>     have an idea what exactly causes the error and how I can prevent it?
>
>     Thank you very much in advance.
>
>     Best regards,
>
>     Rabea
>     _______________________________________________
>     TRNSYS-users mailing list
>     TRNSYS-users at lists.onebuilding.org
>     http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org
>
> --
> ***************************
> David BRADLEY
> Principal
> Thermal Energy Systems Specialists, LLC
> 3 North Pinckney Street - suite 202
> Madison, WI  53703 USA
>
> P:+1.608.274.2577
> F:+1.608.278.1475
> d.bradley at tess-inc.com
>
> http://www.tess-inc.com
> http://www.trnsys.com

-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
d.bradley at tess-inc.com

http://www.tess-inc.com
http://www.trnsys.com

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