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

Ladder Logic of Motor Forward Reverse Interlock Protection

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It's made to start and stop a motor safely, as well as give overload protection. In a forward/reversing motor starter, a physical barrier is moved into the path of one coil's armature by the movement of the next coil.

To connect the motor circuit in such a manner that the second motor does not start until the first one has completed its cycle, and the third motor does not run until the second one has completed its cycle, and so on. Interlocking is the term for this type of motor circuit connection.

Ladder Logic is a type of protection for motors that prevents burglary. It is also known as a ground wire system. The ladder logic rule is to wire three-conductor, rated at 250 volts and no larger than 16 amps, on the same circuit as the motor. It should be noted that Ladder Logic should not be installed if it will create a hazard or an unreasonable restriction in fire or life safety.

A characteristic that makes the status of two mechanisms or functions mutually reliant is called an interlock. It can be made up of any electrical, electronic, or mechanical components or systems, and it can be used to avoid undesirable states in a finite-state machine.

In most cases, an interlock mechanism is utilised to prevent people from being hurt or machines from being damaged. Physical controls are designed to keep hazardous energy contained, while an interlock sensor detects potentially harmful changes in condition and decreases the chance of injury or damage.

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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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