1968 – The concept of the PLC was born as the Standard Machine Controller. 1969 – Richard Morely of Bedford Associates launches the Modicon 084 Model, kickstarting the race to refine this new technology. 1970 – Parallel to MODICON was Allen-Bradley, releasing the Bulletin 1774 PLC. This was the first time the tern PLC was…
In this post, we compare the SLC-500 family to the preferred migration product family, the CompactLogix processor.
When Allen-Bradley released the CompactLogix 5380 controller it boasted significant performance improvements (+20% capacity and 5-20x faster scan times) over previous CompactLogix models. This performance is orders of magnitudes faster and more capable than the SLC-500 platform. For an in-depth comparison, we will compare system architecture, memory, scan time, I/O capability and power connections.
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