David Humphrey

David Humphrey is research director, Europe at ARC Advisory Group.


PLCs, PACs June 16, 2021

The PLC remains stronger than ever

The programmable logic controller (PLC) has been declared dead many times, but it continues to thrive even in the Industry 4.0 era.

By David Humphrey
PLCs, PACs October 18, 2020

The rise of the PAC

A programmable automation controller (PAC) is an open control platform that supports and integrates multiple automation disciplines, typically logic and motion control, but also other functions.

By David Humphrey
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