SYSTEMS AND METHODS FOR CONDUCTING COMMUNICATIONS AMONG COMPONENTS OF MULTIDOMAIN INDUSTRIAL AUTOMATION SYSTEM
First Claim
1. A method of communicating between modules, the method comprising:
- sending a first message from a first module, wherein the first module includes a first data transport layer and a first application object layer, the first message originating at the first application object layer and being sent out of the first module via the first data transport layer;
receiving the first message at a second module, wherein the second module includes a second data transport layer and one or both of a transaction layer and a second application object layer, the first message being received via the second data transport layer;
wherein the sending and receiving are governed by ladder logic and are performed in a synchronous manner, and wherein the first message is at least temporarily stored in a buffer after being received, prior to being acted upon by the ladder logic.
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Abstract
An improved industrial automation system and communication system for implementation therein, and related methods of operation, are described herein. In at least some embodiments, the improved communication system allows communication in the form of messages between modules in different control or enterprise domains. Further, in at least some embodiments, such communications are achieved by providing a communication system including a manufacturing service bus having two internal service busses with a bridge between the internal busses. Also, in at least some embodiments, a methodology of synchronous messaging is employed.
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Citations
19 Claims
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1. A method of communicating between modules, the method comprising:
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sending a first message from a first module, wherein the first module includes a first data transport layer and a first application object layer, the first message originating at the first application object layer and being sent out of the first module via the first data transport layer; receiving the first message at a second module, wherein the second module includes a second data transport layer and one or both of a transaction layer and a second application object layer, the first message being received via the second data transport layer; wherein the sending and receiving are governed by ladder logic and are performed in a synchronous manner, and wherein the first message is at least temporarily stored in a buffer after being received, prior to being acted upon by the ladder logic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification