```pascal
// Block Type: InstanceDB
// Block Number: 982

DATA_BLOCK "PID_RMM303_Data"
{ S7_Optimized_Access := 'TRUE' }
VERSION : 0.1

VAR
  PID_CO2_Proportional : Real := 0.0;
  PID_CO2_Integral : Real := 0.0;
  PID_CO2_Derivative : Real := 0.0;
  mCO2ValveOut : Real := 0.0;
  mCO2PIDEn : Bool := FALSE;
  PID : "PIDControl";
END_VAR

BEGIN
  // Data Blocks have no executable code
END_DATA_BLOCK

```