Safety of machinery. Evaluation of fault masking serial connection of interlocking devices associated with guards with potential free contacts
Safety of machinery. Evaluation of fault masking serial connection of interlocking devices associated with guards with potential free contacts
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What is ISO/TR 24119- Evaluation of fault masking serial connection about?
ISO/TR 24119 is an international standard on the safety of machinery that discusses the evaluation of fault masking serial connection of interlocking devices associated with guards with potential-free contacts to ensure protection against machinery hazards. ISO/TR 24119 is a technical report that illustrates and explains principles of fault masking in applications where multiple interlocking devices with potential-free contacts (B1 to Bn) are connected in series to one logic unit (K) which does the diagnostics. ISO/TR 24119 provides guidance on how to estimate the probability of fault-masking and the maximum DC for the involved interlocking devices. IS...
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