ISO-24119 › Safety of machinery - Evaluation of fault masking serial connection of interlocking devices associated with guards with potential free contacts
ISO-24119
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1ST EDITION
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CURRENT
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ISO/TR 24119:2015 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 (see Figures 1 to 7). It further provides a guide how to estimate the probability of fault masking and the maximum DC for the involved interlocking devices. This Technical Report only covers interlocking devices in which both channels are physical serial connections.
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13.110 (Safety of machinery This group includes standards for general use)
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Document Number
ISO/TR 24119:2015
Revision Level
1ST EDITION
Status
Current
Publication Date
Nov. 15, 2015
Committee Number
ISO/TC 199