PLC Programming With Ladder Logic > Comparators & Logic Gates

Math Operations in Logic

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Even the most complex mathematical theories use addition, subtraction, multiplication, and division. As a result, learning them is one of the keys to improving one's comprehension of arithmetic, particularly algebra.

Add two numbers together.

Subtract one number from another number.
Multiply two numbers together.
Divide two numbers into one number each.
Subtract one number from another number and assign the result to a variable.

The number of times a number is multiplied by itself is referred to as an exponent. For instance, 2 to the third (written as 23) is 2 x 2 x 2 = 8. 2 × 3 = 6 is not the same as 23.

Truth tables are a way of showing the logical relationships between binary data, such as 0 or 1. In computer programming and other fields of software engineering, truth tables show the values of input variables for each possible output value. If the truth table is used to determine if a function meets its specification, it should be shown on a graph with one vertex for each combination of input and output values.

There are many ways to do a truth table for a binary operation in logic. One of the methods is by using two columns and one row in which the first column is "true" and the second column is "false". The third column contains all possible combinations between true and false. In this case, A AND B= True if A=True or B=False, False otherwise. And A OR B= True if A=False or B is True, False otherwise. A NOT B= True if A is False or B is True, False otherwise.

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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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