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Modular Architecture

Ø     PAC modularity places intelligence where it’s needed distributed throughout the system.

Ø     Distributed processing means that counting and PID loops, for example, operate independently on I/O units, leaving the main controller free to oversee the system.

Ø     With flexible modular design, you can add or change distributed units easily. Because the software code always refers to logical representations of I/O points, the physical location of points can be changed without disturbing the programming code.