JoeGuardian Automation

9. PLC I/O Mapping Performance — Which Method Is Best for the Processor?

Throughout this series, we have examined several ways to build an I/O architecture in Studio 5000:

Direct I/O
Alias Tags
Individual Mapping
MOV
COP
CPS
UDTs

Each method offers different architectural advantages.

But eventually someone asks:

Which method is fastest?

Or:

Which …