Automated Water Treatment & Bottling System with pH Regulation and Chlorine Dosing

1(* ============================================== *)
2(* AUTOMATED WATER TREATMENT - PROGRAM STRUCTURE  *)
3(* Master's Thesis - USTO-MB, Algeria             *)
4(* ============================================== *)
5
6(* The control program is organized in a modular  *)
7(* structure following IEC 61131-3 standard.      *)
8
9(* MAIN PROGRAM: PRG_TRAIT_EAU                     *)
10(*   Manages the 4 automatic phases:              *)
11(*   - Phase 1: Filling                           *)
12(*   - Phase 2: Chlorination                      *)
13(*   - Phase 3: pH Regulation (split-range PI)    *)
14(*   - Phase 4: Bottle Distribution               *)
15
16(* FUNCTION BLOCKS:                               *)
17(*   FB_NIVEAU       : Level monitoring           *)
18(*   FB_DEBIT        : Flow / volume measurement  *)
19(*   FB_CHLORATION   : Chlorine dosing            *)
20(*   FB_REGULATION   : pH PI control              *)
21(*   FB_SIGNALISATION: Status indication          *)
22
23(* SAFETY PROGRAM: PRG_REJET_URGENCE              *)
24(*   Handles non-compliant water rejection        *)
25
26(* Note: Full source code is confidential         *)
27(* (academic supervisor's instruction).           *)