In industrial automation, the words permissive and interlock are often used as if they mean the same thing.
They do not.
Both are conditions that influence whether equipment is allowed to operate, …
Read MoreWhen 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 …
Read MoreIn PLC programming, not every instruction directly turns on a motor, counts a box, or starts a timer.
Some instructions are used to control how the PLC program executes.
These are called …
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