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

Ladder Logic of Push Button Latching

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Ladder logic is a type of machine that is designed to open and close automatically. It utilizes a multitude of gears and switches to take care of the opening and closing process of the doors.
With the use of a ladder logic, it becomes possible for doors to automatically open or close at a specific time. The design helps in making it possible for users to enter an area without having to worry about being locked out.
There are many different types of ladder logic that are used in different industries like health care, transportation, education, residential homes and industrial facilities.

 When compared to flip-flop circuits, latch circuit designs are more versatile. Digital latches are utilized in high-speed circuit designs since they are quicker and do not require waiting for a clock input signal owing to higher clock rates because they are designed asynchronously and do not use a clock.

Push button latches are commonly used in the construction industry for several different purposes. They are primarily used to secure a door or gate so it does not open when there is no one around. The different types of push button latches include: cylinder, pin, and sliding.

A latch is a device that is attached to the door of a building or another surface and grabs onto it. A push button latch works by releasing the latch as soon as pressure is applied to it.
This latch is installed on doors which open into horizontal spaces only. It consists of two arms, one which grips onto the door and the other which releases it when pressure is applied to it.

Push button latches are a type of latch that can be operated by pressing a button with your fingers. There are different types of push button latches that you can use as per your requirement.
The advantages to using this type of latch is it is easy to install, it's quick and effortless, and it doesn't require much maintenance.
The disadvantages to pushing the latch on the door is, if the wrong person pushes the latch it will not open, so there's always a chance someone might have an accident inside.

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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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