2. Moore vs Mealy State Machines in PLC Programming


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When programmers begin learning state machines, two names appear very quickly:

Moore Machine

Mealy Machine

Both are finite state machine models, but they differ in one very important way:

A Moore machine determines outputs …

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1. State Machines in PLC Programming: Moore, Mealy, Hierarchical, SFC and Industrial Applications


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State machines are one of the most powerful programming concepts used in industrial automation.

They are especially useful when a machine can exist in several clearly defined operating conditions such as:

Idle

Starting

Running

Stopping

Opening

Closing

Manual

Automatic

Faulted

Instead …

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