Architectures

Most used Architectures In the following table we show the most used architectures when designing Safety Instrumented Functions (SIF). LogicChannelsHFT (S)HFT (A)ObjetivesUsed for1oo1100 sensor, actuator1oo2210More Safetysensor, actuator2oo2201More Availabilitysensor, actuator2oo3311Safety+Availabilitysensor, PLC1oo2D210Safety with high diagnosticsPLC (DMR)2oo4D421/2Safety+Availab. with high diagnosticsPLC (QMR)2oo3D31/21/2Safety+Availab. with high diagnosticsPLC (TMR) HFT(S)= Hardware Fault Tolerant for Safety HFT(A)= Hardware Fault […]

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