S7-300
S7-400
S7-1200
S7-1500
Description LAD/FBD
STL
(not S7-1200)
SCL
✔ ✔
Automatic optimization for a continuous-
action controller
Automatic optimization for a step controller
Integrated system functions
Continuous-action controller
Step controller for integrating actuators
Pulse generator for proportional-acting
actuators
Mapping an input value to an output value
using a characteristic curve.
characteristic curve is a polyline with
maximum 50 interpolation points with linear
interpolation.
Converting input value into an output value
Limiting the change speed of a signal