Ramp in the Setpoint of Pid

Hello,

I want do the next, ok, when I change the value of setpoint in the function pid, I want that the setpoint change each a time that I can change, for example I have 50.0 in the setpoint next a change to 60.0, I want that value change 1.0every minute, when 5 minutes pass, the value of set point will be 55.0, when 10 minutes pass, the value of set point will be 60.0, and then value Setpoint stop.I can do this withn function Pid or I need a functionbefore in the value setpoint.

regards,thank you.