Re: [EnergyPlus_Support] Connect BCVTB with EnergyPlusActuator

[Michael Wetter <linda@xxxxxxxxxxxxxx> (by way of Linda Lawrie <linda@xxxxxxxxxxxxxx>)]

Marion

The message "Actor is not ready to fire" typically occurs if
you have unconnected actors, or if you have an algebraic loop. See

http://simulationresearch.lbl.gov/bcvtb/latest/doc/manual/tit-crePtoMod.xhtml
 how to avoid algebraic loops.

The error message that you received is not dependent on the magnitude of
the value that you send to the actuator.

Best,

Michael

From: "Marion Kerl" < marion.kerl.ext@xxxxxxxxxxx>

Date: Mon, 22 Nov 2010 22:25:41 -0000

Subject: [EnergyPlus_Support] Connect BCVTB with EnergyPlusActuator

Hi,

I want to controll with Simulink an actuator in energyPlus.

The externalInterface:actuator is configured:

ExternalInterface,

    PtolemyServer;           !- Name of External Interface

ExternalInterface:Actuator,

    DXAC_HEAT_PUMP_1_actuator,  !- Name

    DXAC HEAT PUMP 1,        !- Actuated Component Unique Name

    Unitary HVAC,            !- Actuated Component Type

    Sensible Load Request;   !- Actuated Component Control Type

For tests, I send via simulink the fixed value 500W.

When I run the siumlation in BCVTB, I get the this error message: Actor is not ready to fire. Perhaps VectorAssembler.prefire() returned false?.....

And this is the energyPlus error file:

   ** Severe  ** ExternalInterface: Received end of simulation flag at time = 0.25 hours.

   ** Warning ** ExternalInterface: Continue simulation without updated values from server at t =0.50                           hours

 

Is it possible, that my actuator value for the pump is the reason for the error?

Which range of value should the actuator receive, like between 0 and 500W? I had a look in the energyPlus manuals, but I couldn't find anything.

Thanking you in advance.

Marion

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