Is it time to return to centralized control?

PCs and PLCs are getting more powerful with multicore processors. Proponents of EtherCAT claim that this network is suitable for handling the amount of data possible with centralized control schemes.

Distributed control was the best strategy for the technology during the 1980s, ‘90s and even into the beginning of this century. But now technology has advanced. Several discussions at various shows I’ve attended revolved around distributed versus centralized control.  So is it time to move out of distributed control and back to a centralized control scheme?

 

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