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Error detected in Object=OUTPUT:VARIABLE

asked 2021-05-18 06:07:24 -0600

Prom gravatar image

Hi all,

I am new to EnergyPlus and trying to simulate a radiant floor case. I am getting the error like "Error detected in Object=OUTPUT:VARIABLE" most of the time. The output variable shows blank and there will be no options from the dropdown to select. The same file will simulate without severe errors and shows options under output variables to select sometimes. I couldnot figure where the problem is. If anyone encountered such issues, please guide me to solve this.

Thanks, Prom

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answered 2021-05-18 20:06:55 -0600

updated 2021-05-18 20:07:49 -0600

The output variables are specific to the model used in your inputs. To see all available reports add this to your input file:

Output:VariableDictionary, IDF;

Then run your simulation and find the eplusout.rdd (report data dictionary) file. Choose the report from those available and copy-n-paste directly into your input file.

A few examples from the beginning of this file are:

! Program Version,EnergyPlus, Version 9.5.0-e816786023, YMD=2021.05.18 21:02,
! Output:Variable Objects (applicable to this run)
Output:Variable,*,Site Outdoor Air Drybulb Temperature,hourly; !- Zone Average [C]
Output:Variable,*,Site Outdoor Air Dewpoint Temperature,hourly; !- Zone Average [C]
Output:Variable,*,Site Outdoor Air Wetbulb Temperature,hourly; !- Zone Average [C]
Output:Variable,*,Site Outdoor Air Humidity Ratio,hourly; !- Zone Average [kgWater/kgDryAir]
Output:Variable,*,Site Outdoor Air Relative Humidity,hourly; !- Zone Average [%]
Output:Variable,*,Site Outdoor Air Barometric Pressure,hourly; !- Zone Average [Pa]
Output:Variable,*,Site Wind Speed,hourly; !- Zone Average [m/s]
Output:Variable,*,Site Wind Direction,hourly; !- Zone Average [deg]
Output:Variable,*,Site Sky Temperature,hourly; !- Zone Average [C]
Output:Variable,*,Site Horizontal Infrared Radiation Rate per Area,hourly; !- Zone Average [W/m2]
Output:Variable,*,Site Diffuse Solar Radiation Rate per Area,hourly; !- Zone Average [W/m2]
Output:Variable,*,Site Direct Solar Radiation Rate per Area,hourly; !- Zone Average [W/m2]

Also review the InputOutputReference.pdf doc for Output:Variable and see some of the example files to get used to the syntax.

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Thank you Sir. Will check this and let you know if the problem persists.

Prom gravatar image Prom  ( 2021-05-18 23:46:57 -0600 )edit

I support using the .rdd file for examining which output variables can be queried. The list of .rdd is mostly the same but can have different options depending on what is inputs into the simulation.

sashadf1 gravatar image sashadf1  ( 2021-05-21 04:26:04 -0600 )edit

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Asked: 2021-05-18 06:07:24 -0600

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Last updated: May 18