Method and device for operating a crane and operating system for a crane

Abstract

The invention relates to an operating system for operating a jib slewing crane (1), comprising: - a crane control unit (15) which is fixedly arranged in the jib slewing crane (1) and is configured to control one or more drives (8, 9, 10) of the jib slewing crane (1) according to control commands in order to move a load (7) or a load hook; - several mobile control units (20, 20a, 20b), each comprising: o at least one movement control element (22) configured to generate a control command by manual operation, o a communication unit (21) configured to establish a communication link (K) to the crane control unit (15) and a direct or indirect communication link to one or more further control units (20, 20a, 20b), ◯ a control unit (23) configured▪ to establish an active communication link between the crane control unit (15) and one of the operating units (20, 20a, 20b) using the communication unit (21) and to transmit positioning commands depending on the operation of the at least one movement control element (22), and ▪ to communicate a signal, depending on the operation of the at least one activation control element (25), that it is desired to take over the active communication link to the crane control unit (15).

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