```pascal
// Block Type: FB
// Block Number: 1785
// Original Network Languages: LAD
// Block Comment:
//   TASK1 PID

FUNCTION_BLOCK "PID_RVM319_PRD"
{ S7_Optimized_Access := 'TRUE' }
VERSION : 0.1

VAR_INOUT
  CIP_CVQ : Real;
END_VAR

VAR_STAT
  PID_Prod_Temp_Proport : Real;
  PID_Prod_Temp_Integral : Real;
  PID_Prod_Temp_Derivat : Real;
  PID : "PIDControl";
END_VAR

VAR_TEMP
  mAux : Real;
  SP_Choose : Real;
  mDummy : Bool;
END_VAR

BEGIN

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

  "HMI_PID"."RVM319_PRD"."ManualControl"."PidEnable" := ("HMI_Variables_Cmd"."Commands_From_HMI"."CMD_BlenderMaintenance" AND "HMI_PID"."RVM319_PRD"."ManualControl"."ManOut" AND "Procedure_Variables"."Blender_Run"."Latch") OR ("gBlenderCIPMode" AND "Blender_Variables_Pers"."gCoolerEnabled" AND (("gProdDoubleChillerEn" AND "HMI_Variables_Status"."Procedures"."WarmRinseRun" AND (("gBlenderProdMode" AND "Procedure_Variables"."Blender_Run"."Running") OR ("gBlenderProdMode" AND "Procedure_Variables"."Blender_Run"."Latch" AND "gEnRecircPHE"))) OR ("HMI_Variables_Status"."Procedures"."WarmRinseRun" AND "gProductChillerEn" AND (("gBlenderProdMode" AND "Procedure_Variables"."Blender_Run"."Running") OR ("gBlenderProdMode" AND "Procedure_Variables"."Blender_Run"."Latch" AND "gEnRecircPHE")))));

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

  "HMI_PID"."RVM319_PRD"."Sp" := "Blender_Variables"."gSP_Prod_Temperature";

  // Network 3: Setpoint (Original Language: LAD)

  IF ("HMI_Variables_Cmd"."Commands_From_HMI"."CMD_BlenderMaintenance" AND "HMI_PID"."RVM319_PRD"."ManualControl"."ManOut" AND "Procedure_Variables"."Blender_Run"."Latch") OR ("HMI_PID"."RVM319_PRD"."ManualControl"."PidEnable" AND "gBlenderEnToRamp" AND "gEnRecircPHE" AND "Procedure_Variables"."Blender_Rinse"."Running" AND "Procedure_Variables"."CarboWaterLine"."Running") THEN
    "HMI_PID"."RVM319_PRD"."Sp" := "HMI_PID"."RVM319_PRD"."Pv";
  END_IF;

  // Network 4: Integral PID Hold (Original Language: LAD)

  "HMI_PID"."RVM319_PRD"."Hold_Int" := "HMI_PID"."RVM319_PRD"."ManualControl"."PidEnable" AND "PID_Variables"."PID_RVM319_PRD_EnInt";

  // Network 5: 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 := "HMI_PID"."RVM319_PRD"."ManualControl"."ManOut", PID_Data := "HMI_PID"."RVM319_PRD", PID_Enable := "HMI_PID"."RVM319_PRD"."ManualControl"."PidEnable" OR "HMI_PID"."RVM319_PRD"."I_ITL", P_Sel := "AUX TRUE", REG_INV := "AUX TRUE");

  // Network 6: Integral PID Inizilize (Original Language: LAD)

  IF "HMI_PID"."RVM319_PRD"."I_ITL" THEN
    "HMI_PID"."RVM319_PRD"."I_ITL" := FALSE;
  END_IF;

  // Network 7: Valve Output (Original Language: LAD)

  SEL_R(G := "gGencoldChillerEn" AND Eq("HMI_Blender_Parameters"."Processor_Options"."Blender_OPT"."_CoolerControl", 3), IN0 := "HMI_Instrument"."TTN321"."PVFiltered", IN1 := "HMI_PID"."RVM319_PRD"."Pv");

  CIP_CVQ(i_TempIn := "mAux", i_TempOut := "HMI_Instrument"."TTM306_PRD"."PVFiltered");

  // Network 8: Valve Output (Original Language: LAD)

  SEL_R(G := "Blender_Variables_Pers"."gCoolerEnabled" AND "gGencoldChillerEn" AND ("gBlenderCIPMode" OR "HMI_Variables_Status"."Procedures"."WarmRinseRun"), IN0 := 0.0, IN1 := "mAux");

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

  SEL_R(G := "HMI_PID"."RVM319_PRD"."ManualControl"."PidEnable", IN0 := "mAux", IN1 := "HMI_PID"."RVM319_PRD"."Out");

END_FUNCTION_BLOCK

```