safety relay / DIN rail
SCALANCE S623 Siemens Industrial Communication

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safety relay / DIN rail safety relay / DIN rail - SCALANCE S623
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Characteristics

  • Measured/monitored value:

    safety

  • Other characteristics:

    DIN rail

Description

DMZ port (DMZ: "demilitarized zone") for secure connection from, for example, remote maintenance modems, laptops, or an additional network. This yellow port protected by firewalls from the red and green ports and can also terminate VPNs.

Redundant protection of automation cells by means of router and firewall redundancy and stand-by linking of the redundant device via the yellow port.