Using math instructions - MFET 243, Automated Manufacturing...

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Unformatted text preview: MFET 243, Automated Manufacturing I PLC Math Examples 1 MFET 243 MFET 243 Using Math Instructions Fall 2009 Fall 2009 1 Example 1 Using Standard Math Instructions F = 9/5 * C + 32 = 1.8 * C + 32 Temperature in C Temperature in F C F 22.0 71.6 30.0 86.0 36.0 96.8 46.0 114.8 56.0 132.8 77.0 170.6 88.0 190.4 100.0 212.0 121.0 249.8 150.0 302.0 MFET 243, Automated Manufacturing I PLC Math Examples 2 Example 2 Using a CPT (Compute) Instruction F = 9/5 * C + 32 = 1.8 * C + 32 Temperature in C Temperature in F C F 22.0 71.6 30.0 86.0 36.0 96.8 46.0 114.8 56.0 132.8 77.0 170.6 88.0 190.4 100.0 212.0 121.0 249.8 150.0 302.0 Example 3 Working with an Array Instead of converting just one number, suppose you had 10 temperatures that needed to be converted from C to F. The temperatures are stored in arrays as shown below C F 22.0 71.6 30.0 86.0 36.0 96.8 46.0 114.8 56.0 132.8 77.0 170.6 88.0 190.4 100 0 212 0 10 Temperatures in C 100.0 212.0 121.0 249.8 150.0 302.0 Equivalent Temperatures in F MFET 243, Automated Manufacturing I...
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This note was uploaded on 02/29/2012 for the course MFET 243 taught by Professor T.e.kostek during the Fall '09 term at Purdue University-West Lafayette.

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Using math instructions - MFET 243, Automated Manufacturing...

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