1. Petrochemical industry: including automatic control and monitoring of oil refining, cracking, polymerization and other production processes.
2. Chemical production: including automatic control and monitoring of organic synthesis, fine chemical production and other production processes.
3. Coating and coating: including automatic control and monitoring of spraying, painting and other production processes.
4. Plastic processing: including automatic control and monitoring of extrusion, injection molding and other production processes.
5. Pharmaceutical manufacturing: including automatic control and monitoring of drug synthesis, preparation production and other production processes.
6. Food processing: including automatic control and monitoring of beverage production, food processing and other production processes.
In these areas, PLCs can be applied to various automated control and monitoring systems, such as:
(1) Production process control: including raw material transportation, reaction control, product separation, etc.
(2) Equipment monitoring and maintenance: including equipment status monitoring, fault diagnosis, preventive maintenance, etc.
(3) Safety monitoring and control: including fire alarm, gas leakage monitoring, emergency shutdown, etc.
(4) Energy management system: including energy consumption monitoring, load management, energy optimization, etc.