Siemens Aktiengesellschaft

Urs Schweizer

Michael Wagner

Timo Kistner

Heiko Hack

Andreas Schäffler

A communication module for a communication or automation device includes a housing having a connection region that can be brought into contact with a base module of the communication or automation device, wherein centering pins of the connection region are insertable into corresponding receptacles in the base module, a fastening screw having a threaded section penetrates the housing between the centering pins, where the threaded section of the fastening screw is screwable into a threaded hole in the base module, and a passage for receiving the fastening screw is arranged substantially centrally in the housing and extends at right angles to the connection region, the fastening screw has a driver ring connected to it that surrounds a section of a shaft of the fastening screw and where, along the passage, a cutout is provided in the housing for the driver ring that is axially displaceable inside the cutout.

Communication module for a communication or automation device

A modular switching network node for a communications network, i.e., an industrial communications network, where the modular switching network node comprises a switching network node base unit and at least one port module, the at least one port module comprises at least one connection interface for coupling to the communications network, and where the modular switching network node is configured to forward communication data over one of the connection interfaces of the modular switching network node to at least one additional connection interface of the modular switching network node. The switching network node base unit is configured such that at least one of the port modules is swappable for a functional module to expand the functionality of the switching network node.

Modular switching network node for a communications network

A device for securing a communications or automation device to a top hat rail, wherein the device includes a base body, which can be connected to the communications or automation device on a front side, where at least one fixed first securing element that includes a groove or an undercut that can be engaged with an offset end of a first limb of a top hat rail is provided on a rear side of the base body, at least one second securing element provided on the rear side of the base element, which can be moved in the direction of the first securing element, is pretensioned in relation to the first securing element via a spring mechanism and includes a groove or an undercut that can be engaged with an offset end of a second limb of the top hat rail.

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Malsch-Waldprechtsweier, Germany

Urs Schweizer