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Comparison of Safe Link and other safe Ethernet systems

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• Safe communication over the respective fieldbus via Ethernet

• Additional safety PLC (e.g. F-CPU) required

• Pure Master-Slave communication

• Generally higher device costs

• Separate network

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 • Safe communication over the respective fieldbus via Ethernet or the already present standard Ethernet (TCP/IP)

• No additional hardware or safety PLC required

• Multicast, each device communicates with all other devices

• Safe Link option at no added cost

• Existing network can be used