```pascal
// Block Type: FB
// Block Number: 1782
// Original Network Languages: LAD
// Block Comment:
//   TASK1 PID

FUNCTION_BLOCK "PID_RMM303"
{ S7_Optimized_Access := 'TRUE' }
VERSION : 0.1

VAR_STAT
  PID_CO2_Proportional : Real;
  PID_CO2_Integral : Real;
  PID_CO2_Derivative : Real;
  mCO2ValveOut : Real;
  mCO2PIDEn : Bool;
  PID : "PIDControl";
END_VAR

VAR_TEMP
  mAux : Real;
END_VAR

BEGIN

  // Network 1: Manual Enable (Original Language: LAD)

  "HMI_PID"."RMM303"."ManualControl"."PidEnable" := ("gP_CarboPipe_En" AND "gWorkshopTest") OR ("gBlenderBlending" AND "Blender_Variables_Pers"."gCarboStillProduct" AND "HMI_Blender_Parameters"."Processor_Options"."Blender_OPT"."_RemoteInjection" AND "gWorkshopTest");

  // Network 2: Setpoint (Original Language: LAD)

  "HMI_PID"."RMM303"."Sp" := "Blender_Variables"."gSP_CO2";

  // Network 3: PV forcing (Original Language: LAD)

  IF "HMI_PID"."RMM303"."ManualControl"."PidEnable" AND "gBlenderStableFlow" AND "Procedure_Variables"."Blender_Rinse"."Running" AND "AUX FALSE" AND "gP_CarboPipe_En" THEN
    "HMI_PID"."RMM303"."Pv" := "HMI_PID"."RMM303"."Sp";
  END_IF;

  // Network 4: Error Ok (Original Language: LAD)

  IF "HMI_Service"."Workshop_Test"."CO2TestRequest" AND "gWorkshopTest" THEN
    "mAux" := "HMI_Service"."Workshop_Test"."SIMCO2_Test_SP" - "HMI_PID"."RMM303"."Pv";
  END_IF;

  // Network 5: Error Ok (Original Language: LAD)

  IF "HMI_Service"."Workshop_Test"."CO2TestRequest" THEN
    "HMI_Service"."Workshop_Test"."SIMCO2_Error_OK" := FALSE;
  END_IF;

  // Network 6: PID Control (Original Language: LAD)
  //   Attenzione al Bit REG_INV !!

  "PID"(D_Sel := "AUX TRUE", FF_Enable := "AUX TRUE", I_Sel := "AUX TRUE", LMN_FAC := 1.0, LMN_OFF := 0.0, MAN_ON := "gBlenderCIPMode" OR "HMI_PID"."RMM303"."ManualControl"."ManOut", PID_Data := "HMI_PID"."RMM303", PID_Enable := "HMI_PID"."RMM303"."ManualControl"."PidEnable" OR "HMI_PID"."RMM303"."I_ITL", P_Sel := "AUX TRUE", REG_INV := "AUX FALSE");

  // Network 7: Integral (Original Language: LAD)

  "mPID_RMM303_Int" := "PID_CO2_Integral";

  // Network 8: Integral PID Inizialize (Original Language: LAD)

  IF "HMI_PID"."RMM303"."I_ITL" THEN
    "HMI_PID"."RMM303"."I_ITL" := FALSE;
  END_IF;

  // Network 9: C02 Valve Output (Original Language: LAD)

  // NBox SymPy processed, logic in consumer
  "mCO2PIDEn" := "HMI_PID"."RMM303"."ManualControl"."PidEnable"; // N_TRIG("HMI_PID"."RMM303"."ManualControl"."PidEnable") - Mem: "mCO2PIDEn"

  IF "mCO2PIDEn" AND NOT "HMI_PID"."RMM303"."ManualControl"."PidEnable" THEN
    "mCO2ValveOut" := "HMI_PID"."RMM303"."Out";
  END_IF;

  // Network 10: C02 Valve Output (Original Language: LAD)

  SEL_R(G := "HMI_PID"."RMM303"."ManualControl"."PidEnable", IN0 := 0.0, IN1 := "HMI_PID"."RMM303"."Out");

END_FUNCTION_BLOCK

```