Boots – shoes – and leggings
Patent
1997-06-04
1998-07-21
Ruggiero, Joseph
Boots, shoes, and leggings
395701, G06F 1900
Patent
active
057842760
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a programming device of a programmable status control system.
BACKGROUND INFORMATION
German Patent Application No. 37 43 438 describes a device that causes a transition to a subsequent status and a transfer of new control data to an output stage according to an instantaneous status and an input vector allocation of digital process input quantities. A control data file, which contains the input quantities or combinations of these input quantities that are relevant for the given instantaneous status, is stored in the device.
German Patent Application No. 42 26 456 describes a programmable status control system that permits a transition in status from an instantaneous status to a subsequent status for several processors.
With such conventional status control system and the conventional device, reaction times to changes in input data are shortened significantly in comparison with a conventional programmable control system that gradually reads individual control program instructions out of a memory in accordance with processing by a von Neumann machine, interprets them and finally executes the corresponding operations.
The publication "Automation with SIMATIC S5-155U" by Hans Berger (1989) describes a programming device that is used to convert a control task into a control program for an automation device. All functions of the control task are programmed or described with a type of presentation such as an "instruction list," a "function plan" or a "contact plan." Regardless of the type of presentation, the programming device converts the programmed functions to an appropriate machine code. This code contains all the user-programmed control functions and is read and interpreted by the automation device after the code has been transferred to the automation device. With such a conventional programming device, writing a control program for a programmable status control system requires considerable programming effort. German Patent Application No. 42 35 432 discloses a programming device for a programmable status control system. The programming device has a memory where a control task created with a software tool is deposited in the form of an action-time diagram that can be displayed on a display device and describes the input and output signals of an engineering process to be controlled in the form of binary and/or analog signals. The action-time diagram is processed by the software tool by means of suitable analysis of level transitions of the signals to create a control program having a control and status code to solve the control task, starting from an instantaneous status, and appropriate input codes, control codes and status codes of the control program are created for the status control system. It is not necessary to know a programming language or the types of presentation conventionally used in automation technology for a control task.
German Patent Application No. 44 18 623 describes a programming device suitable for programming a programmable status control system with a structured text. The structured text is divided into several substructures, each of which is assigned to a status. Each substructure has a first key word with a string of characters that denote a status and is followed by at least one group of ordered pairs consisting of a key word and a text string. A first pair has a second key word and at least one input vector in the form of a string of characters followed by a second pair consisting of a third key word and a subsequent status in the form of another string of characters. If necessary to solve the control task, the substructures must have a third and fourth pair, the third of which is provided with a fourth key word and at least one output vector in the form of a string of characters, and the fourth pair includes a fifth key word and at least one function reference characterized by a string of characters. Such a structured text is easy to formulate and permits a straightforward presentation of the control task.
SUMMARY OF TH
REFERENCES:
patent: 5481716 (1996-01-01), Morshedi et al.
patent: 5485620 (1996-01-01), Sadre et al.
patent: 5581759 (1996-12-01), Ohhashi et al.
patent: 5648899 (1997-07-01), Hallwirth
Ruggiero Joseph
Siemens Aktiengesellschaft
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