Title:
クレーン設備、特にコンテナクレーン
Document Type and Number:
Japanese Patent JP4022221
Kind Code:
B2
Abstract:
The system has a first memory programmable controller for outputting signals leading to a required safety-relevant control access to one or more operating elements and a second controller for at least partly monitoring the control operation of the first controller based on safety-relevant signals and making its own control intervention to an operating element in the event of an inadequate control intervention on the part of the first controller. The system has a first memory programmable controller (10) for outputting signals leading to a required safety-relevant control intervention to one or more electrical or electromechanical operating elements and a second memory programmable controller (11) for at least partly monitoring the control operation of the first controller based on safety-relevant signals (E) and making its own control intervention to an operating element in the event of an inadequate control intervention on the part of the first controller.
Inventors:
Sparenborg, Ernst
Meyer, Jerk
Meyer, Uwe
Meyer, Jerk
Meyer, Uwe
Application Number:
JP2004528406A
Publication Date:
December 12, 2007
Filing Date:
July 21, 2003
Export Citation:
Assignee:
Siemens Aktiengesellschaft
International Classes:
B66C13/48; G01S19/07; B66C13/22; G05B19/042; G05B19/05
Domestic Patent References:
| JP60223703A | ||||
| JP10256956A |
Foreign References:
| DE19612423A1 |
Attorney, Agent or Firm:
Iwao Yamaguchi