A security vendor's recent analysis of Rockwell Automation's programmable logic controller (PLC) platform has uncovered two serious vulnerabilities that give attackers a way to modify automation ...

S4x19 -- Miami -- Programmable logic controllers (PLCs) have been long known to be easy marks for attack due to their blatant lack of built-in security, but a security researcher here this week at S4 ...

The Add-On-Instructions for Studio 5000 makes it possible to set up the motors in five minutes or less. To fulfil the needs for diagnostics and easy maintenance in factories of the future the motors ...

Basic Programming for PLCs provides an overview of the basic principles, structure, and instructions of PLC programming. Most PLC programs use instructions written in ladder logic, which is a ...

When a PLC is used primarily to replace relays, timers, and counters, it's hard to beat the simplicity and usefulness of ladder diagram programming. Their ability to accept programming in ladder ...