A programmable logic controller or programmable controller is an industrial computer that has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, machines,
PLCs for a monitoring system in the pharmaceutical industry
Compact PLC with 8 inputs and 4 outputs
Modular PLC with EtherNet/IP module, discrete and analog I/O, with some slots being empty
PLC system in a rack, left-to-right: power supply (PS), CPU, interface module (IM) and communication processor (CP)
Stuxnet
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Stuxnet is a malicious computer worm first uncovered on 17 June 2010 and thought to have been in development since at least 2005. Stuxnet targets supervisory control and data acquisition systems and i
Programmable logic controller
…easy-to-understand programming language make it likely that unauthorized changes to programs will happen and remain unnoticed. Prior to the discovery of the Stuxnet computer worm in June 2010, the security of PLCs received little attention. Modern programmable controllers generally contain real-time operating systems, which can…
Siemens Simatic S7-300 PLC CPU with three I/O modules attached
Anti-aircraft guns guarding Natanz Nuclear Facility
Nuclear reactor in dimona