Converting Fahrenheit to Celsius can indeed seem a bit complex at first due to the formula, ... ChatGPT is a large language model developed by OpenAI, based on the GPT-3.5 architecture.

In IEC 61131-3 Structured Text (ST) language, here's a self-contained function block that converts Fahrenheit to Celsius: This function block, named `FB_FahrenheitToCelsius`, takes an input ...