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A programmable logic controller (PLC) or programmable controller is an industrial computer that has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, machines, robotic devices, or any activity that requires high reliability, ease of programming, and process fault diagnosis.
Sequential function chart (SFC) is a visual programming language used for programmable logic controllers (PLCs). It is one of the five languages defined by IEC 61131-3 standard. The SFC standard is defined as Preparation of function charts for control systems, and was based on GRAFCET (itself based on binary Petri nets [1] [2]).
Introduccion a la programacion de controladores logicos (PLC) Image title: Automatizacion industrial: Author: Rolf Dahl-Skog: Software used: Writer: Conversion program: OpenOffice.org 3.0: Encrypted: yes (print:yes copy:no change:no addNotes:no algorithm:RC4) Version of PDF format: 1.4: Page size: 612 x 792 pts (letter)
Unlike for microprocessors, programming a PLD changes the connections made between the gates in the device. PLDs can broadly be categorised into, in increasing order of complexity, simple programmable logic devices (SPLDs) , comprising programmable array logic , programmable logic array and generic array logic ; complex programmable logic ...
PLC technician educational courses and programs integrate PLC programming with mechanics, electronics and process controls, They also commonly include coursework in hydraulics, pneumatics, robotics, DCS, SCADA, electrical circuits, electrical machinery and human-machine interfaces. Typical courses include math, communications, circuits, digital ...
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Function Block Diagram is one of five languages for logic or control configuration [2] supported by standard IEC 61131-3 for a control system such as a programmable logic controller (PLC) or a Distributed Control System (DCS). The other supported languages are ladder logic, sequential function chart, structured text, and instruction list.