Instrumentation and control important to safety – Hardware requirements
(IEC 60987:2021); German version EN IEC 60987:2021 Class/Status:
VDE Art. No.: 0400520
I&C systems important to safety may be implemented using conventional hardwired equipment, programmable digital equipment or by using a combination of both types of equipment. This standard provides requirements and recommendations for the hardware aspects of I&C systems whatever the technology and applies for all safety classes in a graded manner (as defined by IEC 61513).
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