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paint line. 6-10. Write a temperature conversion program to convert Fahrenheit to Celsius. Hand write the program out and tur

A ladder logic language
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Answer #1

Hi there,

To convert the Fahrenheit to Celsius, we all know the basic equation as

°C = (°F − 32) × 5/9

To have this in ladder logic program, there is a standard (IEC 61131-3) which talks about dedicated ladder instructions for performing airthmetic calculations. We will use this to solve the problem.

Each of the math instructions must be enabled by an “energized” signal to the enable (EN) input. Also, the tag names are used to link the input and output values to each math instruction.

I am attaching a instructions picture here in which i have named input as IN_deg_F and output is tagged as OUT_deg_C. Apart from the input and output, i have created a variable to do some intermediate calculations which i tagged as X.

In the attached picture i have shown the calculations for converting 100°F to 37.78°C. We can change the value of input IN_deg_F to populate the table by getting values from the output OUT_deg_C.

I hope this help.

ThanksAlways_ON Always_ON Always_ON Always_ON EN ENO SUB IN_deg_ FIND OUTX 100 68 IN1 - IN2 32 IN2 Always ON EN ENO DIV X 68 IN OUT

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