These guides may be helpful if you are scripting for the Handy, or other BLE devices such as the Launch, Keon, A10 Piston.
https://discuss.eroscripts.com/t/managing-stroke-speed/128238
https://discuss.eroscripts.com/t/middle-points-and-bluetooth-le-compatible-scripts/121645
You don’t have to worry too much about these if you are scripting for the OSR2 / SR6 / SSR1 - very rarely will you hit their limit.