西门子plc 的STL语言求解

//Ramp Generator
L #Final_Setpoint
AN #Stop //Stop = 1 => ramp down to 0
JC lead

L 0.000000e+000
lead: L #Leading_Value
*R
T #final_x_leading
L #min_Setpoint //final*leading < -(max.Setpoint)?
<R
JC lim //=> final*leading := -(max.Setpoint)

L #final_x_leading
L #max_Setpoint //final*leading > max.Setpoint
>R
JC lim //final*leading := max.Setpoint
JU up