Seal-In Ladder Logic vs. Latching/Unlatching PLC Commands

An age-old debate in PLC programming: investigating the uses and caveats of latching software commands versus seal-in ladder logic for industrial control applications. One of the most popular programming languages used with industrial automation controllers today is called ladder logic, following in the footsteps of the previous method of control which used interlocking electrical relays. … Read more

Tutorial: Analog Signals with Phoenix Contact’s PLCnext Platform

Learn how to connect analog inputs, either voltage or current, to the Phoenix Contact’s IIoT PLC platform and design simple data processing programs with the PLCnext Engineer IDE. Before you get started, be sure to check out our recent introduction to discrete I/O with the PLCnext platform. Analog signals from sensors allow engineers to monitor … Read more