Fixed Floating Point Math Operation in GX Works2 | Mitsubishi PLC FX3U Instruction Tutorial
In this tutorial, learn how to perform Fixed Floating Point Math Operations in GX Works2, especially when working with Mitsubishi FX3U/FX5U PLCs. These operations allow you to handle scaled analog values like temperature, pressure, and flow using fixed-point precision for high accuracy.
📌 Topics Covered:
What is Fixed Floating Point in Mitsubishi PLC?
Difference between fixed point vs floating point math
How to use math instructions with scaled values
Example: Analog input (e.g., 4-20mA) to engineering unit conversion
Instruction format using D registers
Tips for preserving decimal precision (e.g., 10x scaling logic)
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