@redwagon You’re right that the soil choice defines the absorption rate. The absorption rate, in turn, determines whether or not you will cycle-soak if you have the ‘Smart Cycle’ enabled. However, the more key setting here is the Available Water Capacity (AWC) that is set by default, but that can be changed in the advanced settings. The AWC will help define the watering duration and frequency. The nice thing is that the Web Soil Survey gives you the actual AWC number. I’d pick the closest soil that you can for the absorption rate, then enter your actual AWC into the Available Water customization.
If you’re not sure how to get the AWC number from the Web Soil Survey here’s a link to guide you once you’re there.