PLC
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PLC programming languages – Basic ladder logic
Based on International Standard IEC-61131-3, the PLC programming language has 5 types, namely: Ladder Diagram (LD) Function Block Diagram (FBD)…
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PLC controller Input/output Interface
PLC controller inputs An automated system depends to a large extent on the ability of a PLC controller to read…
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What is Sinking and Sourcing?
Sinking and Sourcing: PLC has input and output lines through which it connects to a directing system. The inputs can…
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Latching in PLC
The latching is used where the output must be activated even after the entry ceases. A simple example of such…
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What is PLC scan and it’s working
What is program scan and Scan time? A PLC operates by executing programs in PLC memory repeatedly. The instructions contained in the…
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Relay Instructions for Allen Bradley’s PLC Ladder Diagram
The use of relay instructions is to regulate and control the status of bits in a data table, such as…
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Advantages of PLC
PLC is a control system that is compatible with many control system designs in today’s industries, which are not only…
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Simple motor operation using PLC
PLC Ladder motor Problem: Controlling the running state of the 1 ph motor by PLC ; pressing START and STOP…
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Math Instructions for PLC
Introduction The majorities of the instructions take two input values, perform the specified arithmetic function, and output the result to…
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Data Handling Instructions for PLC
Introduction This session contains general information about the data handling instructions for plc and explains how they function in your…
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