The term “safety network” can apply to both peer-to-peer networks and I/O bus systems, and the safety protocols used can range from proprietary to various levels of open or vendor-independent. Here are some safety protocols and the industrial networks they are associated with:
AS-Interface Safety at Work (also called AS-i Safe) on any network
CIP Safety on EtherNet/IP, ControlNet and DeviceNet networks
ProfiSafe on ProfiBus and ProfiNet networks
openSafety on Ethernet Powerlink and other networks
Functional Safety over EtherCAT (FSoE) for EtherCAT networks
FF-SIF on Foundation Fieldbus networks
Click here to read Automation World's in-depth look at safety networked systems.
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