Tag Archive: legacy

Nov 26

It’s time to replace that old PLC

The following PLC systems are now considered obsolete: Siemens S5, Modicon 884 & 984 and Allen-Bradley PLC2, PLC3, SLC 100 & 150. Some Allen-Bradley PLC 5 & SLC500 components are ‘silver series’ meaning that at some stage in the future (typically in the next 5 years) they will no longer be available, for example; from …

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