3BHE042816R0101 PCD244A101 | ABB | Data summary communication module

Description

3BHE042816R0101 PCD244A101 | ABB | Data summary communication module

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The original system adopted lower level control, which means that control permissions and management permissions are separately implemented in each independent system. The output of data, given control objectives, and information printing of various working conditions are all controlled by the front-end computer, while the upper computer is only used for simple data aggregation and communication with the system. 3BHE042816R0101 PCD244A101 In the original system, each measurement and control device was isolated and an information island. During the renovation process, a CAN adapter was configured in the upper computer, connected to the CAN bus using twisted pair cables, and connected to the CAN bridge using reserved RS-422 on the original measurement and control equipment. In software programming, a separate communication unit has been added without adding other functions and software overhead of the original control system. After simple software and hardware modifications, a measurement and control system with data interaction function has been formed. The modified system can control the setting of work frames, data collection and summary of the front-end computer through the upper computer, and can control the front-end computer through the upper computer, breaking through the barriers of information exchange in the original system. System topology.

The modified measurement and control equipment has been connected into a CAN bus system, breaking through the original mode of information isolation. The various working modes and control objectives in the original system are managed by the upper computer, and the lower computer communicates with the upper computer through broadcasting and point-to-point communication. 3BHE042816R0101 PCD244A101 receives the conversion of working conditions and control parameters, and regularly uploads its working status, test data, etc. The upper computer manages them uniformly, achieving a “decentralized control, centralized management” mode. The development of the communication management software for the upper computer adopts DELPHI5.0 and is completed under WIN2000.

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