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What is the functional safety rating of SmartWire-DT?

Currently, the SmartWire-DT network is not rated for “functional safety” which means that Emergency Stop switches
(E-Stops) still have to be hard-wired to interrupt the 24Vdc control power circuit on the SmartWire-DT cable. The E-Stops
can also be connected as a node on the network to monitor its status. The M22 E-Stops can accept a SmartWire-DT module and up to four normally closed (N.C.) contact blocks.