Hi everybody,
I am searching for some advices regarding PID controller with FB41. My program is designed for online blending with 2-3 components and the recipe can be different each time. I have a flow meter and an analog valve on each channel to control the recipe. This part is not the problem, it works just fine. But know I want to implement a function that also controls the total flow through the channels. It´s easy to calculate the total flow with the flow meters but I am not sure how to control the recipe and the flow with the same valves…
So I wonder if it’s possible to use some functions in FB41 (for example DISV) to solve my problem or if I can use some other functions? Or do I need to write a new function?
Regards
AXIS
I am searching for some advices regarding PID controller with FB41. My program is designed for online blending with 2-3 components and the recipe can be different each time. I have a flow meter and an analog valve on each channel to control the recipe. This part is not the problem, it works just fine. But know I want to implement a function that also controls the total flow through the channels. It´s easy to calculate the total flow with the flow meters but I am not sure how to control the recipe and the flow with the same valves…
So I wonder if it’s possible to use some functions in FB41 (for example DISV) to solve my problem or if I can use some other functions? Or do I need to write a new function?
Regards
AXIS