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Industrial Communications

PLC Platform Digital Communications

Modern PLC platforms offer many types of digital communications, so users need to know some basics before configuring and programming these systems. Programmable logic controllers...

Sensor Connections: PNP versus NPN and Sourcing versus Sinking

Since so many typical industrial automation sensors operate at 24 Vdc, it is important to understand two of the main variations of these solid-state...

Sensor IO-Link Basics

Traditional sensors and actuators use basic hardwired connections, but IO-Link offers a way to extend functionality and take advantage of smart sensors without complicated...