1. A welding device for a production system, comprising: a welding tool; and a control device operatively connected to the welding tool, wherein the control device is configured to: control the welding tool to connect at least two components with a welded connection with reference to a first parameter, wherein the first parameter defines the welded connection; and access the first parameter with reference to a hierarchy, wherein the hierarchy identifies a second parameter assigned to the first parameter and the second parameter contains a third parameter, wherein the second parameter defines a welding task and the third parameter defines a first combination of values.