PLC Programming With Ladder Logic > Implementation of Latching and Interlocking Logic

Ladder Programming of Motor Operation

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The graphical programming language Ladder Diagram is used to create software for programmable logic controllers (PLCs). The IEC 61131 standard identifies it as one of the languages that can be used with PLCs. A ladder diagram software is a circuit diagram that simulates relay logic hardware circuits.

Ladder programming refers to the process of creating programs that are composed of an increasing number of small steps, each step being a higher level of abstraction than the previous one.
Ladder programming has a huge number of advantages and disadvantages. One important disadvantage is that it can be difficult to detect whether a program is complete or not.
In addition, ladder-based programs are often unable to deal with large data sets without going through many iterations. This raises doubts on whether ladder programming is actually more efficient than other approaches like procedural and object-oriented programming.

In the ladder programming model, a switch is used to control high-power circuitry. The first position of the switch is typically labeled "off," which prevents current from flowing through the circuit. In this position, the circuit is effectively shorted out. The second position of the switch labeled "run" causes current to flow through the circuit, effectively turning it on. Rungs are used to produce different levels of power output or speed and can also be used as a safety feature in some cases, such as when operating a motor at low speeds or with high torque loads. Ladder programming can help in motor operation and ensure that motors stay safe for use with minimal risk of damage.

Ladder programming is a programming paradigm that uses a series of sequential steps or stages to control, measure, and provide feedback to the operation of a motor. It can also be used to control any operation that has an analog output. The following are some of the benefits of ladder programming: - Better response time and speed in performance - Easier tuning - Fewer parts so less inventory

1. Two up, one down - The first example is a typical system where the motor is used to drive two outputs simultaneously, and in this case, one output can be stopped or reversed with the other output continuing at its normal speed. This type of configuration has been used for forklifts where the operator would switch from forward motion to reverse motion and back again quickly when needed.

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Course Content

  1. Introduction to PLC Programming
    3m 49s

  1. How to do PLC Programming using Ladder Logic
    15m 14s
  2. Installation of RSLogix Micro Starter Lite
    12m
  3. Elements of RSLogix Micro Starter Lite
    15m 32s

  1. How to Programme and Run the Logic
    19m 14s
  2. PLC Programming of OR Logic Gate
    8m 24s
  3. PLC Programming of AND and NOT Logic Gate
    12m 48s
  4. PLC Programming of NAND,NOR and XOR Logic Gate
    16m 28s

  1. Ladder Logic of Push Button Latching
    14m 16s
  2. Ladder Logic of Interlock Circuit
    21m 25s
  3. Trick to Optimize Use of I-O in Ladder Logic
    5m 33s
  4. Ladder Programming of Motor Operation
    13m 58s
  5. Ladder Logic of Motor Forward Reverse Interlock Protection
    20m 35s

  1. How to Use Timer in Ladder Logic
    17m 39s
  2. On Delay Timer in Ladder Diagram
    8m 39s
  3. Off Delay Timer in Ladder Diagram
    11m 15s
  4. Retentive Timer in Ladder Diagram
    12m 11s
  5. Star to Delta Motor Starter in Ladder Logic
    28m 2s
  6. Counter-up with On Delay Timer Logic
    9m 2s
  7. Countdown with Reset Function in Ladder Logic
    12m 31s
  8. Up-Down Counter Logic with Application in Ladder Logic
    9m

  1. Comparator LIM Block in Ladder Logic
    7m 35s
  2. Comparator EQU,LES,LEQ,NEQ,GRT and GEQ Block in Ladder Logic
    19m 34s
  3. Math Operations in Logic
    30m 16s
  4. Move Blocks in Ladder Logic
    10m 3s
  5. Logical Gate Blocks in Ladder Logic
    22m 5s

  1. Decimal - BCD Conversions in Ladder Logic
    15m 41s
  2. Bit Shift Left and Right in Ladder Logic
    14m 1s
  3. Scale Parameters
    20m 41s
  4. Hacks for Ladder Logic
    10m 11s

  1. Water Tank Filling Control Logic
    27m 57s
  2. Chemical Mixing Process Logic
    33m 11s
  3. Traffic Light Signal Control Logic Part - 1
    23m 41s
  4. Traffic Light Signal Control Logic Part - 2
    36m 46s
  5. Elevator Control Logic
    01h 9m 40s

  1. Assignment of PLC Programming With Ladder Logic
    3m 16s

  1. Interview Questions
    7m 9s

  1. Career Guideline
    2m 42s
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