In May this year, the European Parliament formally adopted a new machinery regulation, which significantly updates the existing Machinery Directive 2006/42/EC. New information security requirements have been added to machine security. Let’s take a look at the importance of information security for machine security.

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Our commonly used safety sensors (such as emergency stop, safety door, grating), safety controllers (such as safety relays, safety PLCS) and safety actuators (such as contactors, safety servos, safety valves) are used to achieve functional safety, that is, “to prevent the machine from causing injury to the person.” The purpose of information security is to prevent unauthorized access and manipulation of machines and data, that is, “to prevent the machine itself from being compromised.” Imagine that if an unauthorized person can access and modify the security control system program on the machine, the original security control system may no longer be secure. Therefore, functional security and information security can work together to ensure the fundamental safety of the machine.