Examlex
The first step in applying the Theory of Constraints is to identify the constraint.
Ladder Logic
A programming language used to represent control logic in easily understood symbols arranged in a structure resembling a ladder, widely used in industrial and mechanical applications.
Scan
The process by which a PLC (Programmable Logic Controller) systematically checks its input signals and updates its outputs.
Internal Relay Coil
An internal relay coil is a virtual or logical coil in programmable logic controllers (PLCs) or software applications, representing the state of an output or condition without requiring a physical relay.
I/O Rack
A physical or virtual component that houses input/output modules, facilitating the exchange of data between a control system and external devices.
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