The programming of PLCs is a fundamental part of the initial phases when building and designing industrial plants. About that environment, the company will base all its operations in that environment making the configuration of these controllers a critical element. When it comes to programming these devices there are a series of steps and best practices that take advantage of the native functionalities available and that involve little or no need to resort to a PLC programmer, protecting the device in a simple way with minimum spend on resource.
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Post related to: HMI
In order to increase security levels in OT networks, there are now solutions that monitor networks, devices and configurations, actively looking for anomalies and possible security flaws and intrusions that could take place. However, there are other types of attacks on ICS that are carried out on a completely different plane, where anomaly analysis systems can’t reach. These are attacks on analog sensors.
Computers used in control systems to perform a particular process usually have high costs due to their specialisation for a very specific task. But is it possible to manage a process with a small-dimension mass-produced generic system? In some cases, yes, and this is being increasingly demonstrated by low-cost hardware available to both industry and individuals.