Existing control systems lacking enough input/output ports to support new sensors and actuators.

The risk of losing total control over field devices when the connection to the central system is interrupted.

Errors and security vulnerabilities resulting from leaving critical processes to human initiative.

The difficulty of managing relays and switches in remote locations simultaneously from a single center.

The necessity to invest in high-cost PLC systems even for simple control operations.

Inability to quickly update control scenarios according to changing production needs.