RS Components has introduced two programmable logic controller (PLC) starter packs from industrial automation specialist Allen-Bradley. The Micro850 and Micro820 starter packs contain the hardware ...

Industrial control system operators running Rockwell MicroLogix 1400 PLCs have been warned about a vulnerability that exposes these devices in critical industries to attack. An undocumented SNMP ...

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 ...

Kits include: a PAC (Programmable Automation Controller) CPU that can directly connect to existing A-B I/O, services to convert existing ladder logic and program ...

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 ...