OSSC (MCalVal - subsystem-specific extension)

The Multistate calculated value (MCalcVal) object supports following properties of the subsystem-specific extension OSSC.

✳ Indicates a Siemens proprietary property.

Enable adaptation

 

 

"Enable adaptation" allows enabling/disabling start stop time optimization.

Start time for design conditions

 

 

"Start time for design conditions" characterizes the start time at design outside air temperature [TOaDsgn].

Start time for low load conditions

 

 

"Start time for low load conditions" characterizes the start time at low load.

Start time for weekend conditions

 

 

"Start time for weekend conditions" characterizes the start time after a weekend.

Start time if no temperature change

 

 

"Start time if no temperature change" characterizes the start time if there is no temperature difference between setpoint and measured value.

Time constant of room temperature during stop time

 

 

"Time constant of room temperature during stop time" characterizes the time constant of room temperature during stop process.