Crane installation, in particular container crane
AssigneeSiemens Aktiengesellschaft
InventorsErnst Sparenborg, Jorg Meyer, Uwe Meyer
Life of this patent
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Abstract
A crane installation, especially a container crane, for moving a load, especially a container, includes a first stored-programmable control unit which, if required, receives signals resulting in a safety-related control command to one or several electric or electro-mechanical operational elements, and a second stored-programmable control unit which is configured in such a way that it can at least partially monitor the control operation of the first control unit on the basis of safety-related signals transmitted to the second control unit. If the safety-related control command of the first control unit is improper, the second control unit is able to issue its own control command to an operating element.
Claims11
A crane installation, in particular container crane, for moving a load such as a container, comprising:
- an electric or electro-mechanical operating element;
- a first stored-programmable control unit constructed to receive a safety-relevant signal for issuing a control command to control the operating element;
- and
- a second stored-programmable control unit constructed to at least partially monitor a control operation of the first control unit in response to a received safety-relevant signal and to override the first control unit for controlling the operating element, when the first control unit issues an improper control command.
Dependencies are inferred from the claim text.