Use the EMS sensor to read and store previous data. See the EMS* example files.
 Output:Variable,*,Zone Mean Air Temperature,timestep;
 EnergyManagementSystem:Sensor,
   T1,                     !- Name
   Perimeter_ZN_1,         !- Output:Variable or Output:Meter Index Key Name
   Zone Mean Air Temperature; !- Output:Variable or Output:Meter Name
On 2/14/2018 9:52 AM, my_sunny_night@xxxxxxxxx [EnergyPlus_Support] wrote:
Hello All,
At each timestep, I need to get the value of the relevant variable at the previous timestep which was actuated by the EMS program to actuate it at the present timestep based on its value at the previous timestep. Is it possible to do this?
Any help would be appreciated.
-- Richard Raustad Florida Solar Energy Center 1679 Clearlake Road Cocoa, FL 32922 Ph: (321)638-1454 http://www.fsec.ucf.edu/en/ Program Director Electric Vehicle Transportation Center http://evtc.fsec.ucf.edu/
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