PWM Range limits
Im working on a PWM fan control strategy and im running into an issue with the way that the PWM mapping is done in the outputs. The fan i have is a spal 18 inch 850w fan from a 2019 camaro SS. This fan requires 10% to stay on and 90% for full speed, below 10% or above 90% sets an error code.
This is my current mapping that i have and i have no way of setting 10% or 90% as the baseline in comparison to the coolant temperature. I will probably need to make another 2d table to create an artificial 10-90% bottom and top threshold. One suggestion i could make to solve this issue is to allow adjustability of the scalars (the 0-100% numbers on the left of the value inputs) This would allow for much easier interpolation and setting top and bottom thresholds. (Have a project that needs only 50% to 90% PWM for some reason, it can be achieved). Any suggestions?
Hi, You may need to use a maths channel with a min/max function to limit the range that the value can be, then use the result of the maths channel to be the PWM mapping variable