Challenge
Sterilization must reach and hold the right temperature, pressure and time for each olive type and batch size, in every cycle, and each cycle should leave a record for quality assurance.
Solution
Each sterilization program now runs in phases, with time, temperature and pressure setpoints for every phase and the live values on the screen. The controller is an LS PLC with an expansion module, operated from an HMI.
The PLC controls steam, water, air, pressure compensation, the pump, filling and drain, and monitors the door status. Programs cover different olive types and batch sizes, alarms appear on the HMI, and cycle data is logged for traceability.
Scope of work
- LS PLC programming
- HMI design for cycle control and status
- Temperature, pressure and time control
- Phase-based sterilization programs
- Programs for each olive type and batch size
- Steam, water, air and drain valve control
- Door status monitoring
- Alarms, data logging and traceability
Result
Each olive type and batch size has its own phase program, the PLC holds time, temperature and pressure through every phase, and each cycle is logged for quality assurance.
