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