Category: ControlLogix

Hardware Comparison: Allen-Bradley vs Siemens PLCS

The Allen-Bradley Logix family of controllers is considered the most popular programmable logic controller family in the US.  It consists of numerous variants but for this comparison we will look at the ControlLogix, CompactLogix and MicroLogix PLCs. By comparison, Siemens is much more common in Europe where their extensive line of PLCs are used in…

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CompactLogix, ControlLogix, GuardLogix

Hardware Comparison: CompactLogix, ControlLogix and GuardLogix

With the current trend in machine safety being moving towards integrated control and safety functions, Allen Bradley (like most other major suppliers) offers two versions of its main control platforms, the Logix line of controllers. Based on application size and complexity, facilities will use either the CompactLogix or ControlLogix controller platforms for control. Adding safety…

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