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 ...

Softing and AWS just streamlined connectivity between Rockwell PLCs and AWS IoT SiteWise for industrial analytics at scale. Once connected to the AWS IoT Core, you can use AWS IoT SiteWise to model ...

Two vulnerabilities in industrial programmable logic controllers (PLCs) from Rockwell Automation threaten critical infrastructure and industrial environments with disruption. Both of these ...

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 ...

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 ...