The Allen Bradley CompactLogix controllers use the same programming and program organisation as the ControlLogix systems but utilise Allen Bradley 1769 MicroLogix 1500 system I/O and communications options. Their memory space is smaller than the ControlLogix systems but it is more than adequate for medium sized PLC applications.
The Rockwell CompactLogix controllers provide a solution for smaller, machine-level control applications, requiring a low-cost, modular solution. The CompactLogix system is also configured and programmed with RSLogix 5000.
Allen Bradley CompactLogix PLC systems use the same Logix control engine as the rest of the Logix series controllers. This means CompactLogix supports the Logix instruction set, task configuration and data tags.View the rest of this article
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