Output difference between commanded and feedback input
Library
Blocks/Math
Description
This blocks computes the output (right) as difference of the commanded input (left) and the feedback input (bottom port):

Ports
- Port 1 at left position: implicit input fixedport numbered 1.
- Port 1 at bottom position: implicit input fixedport numbered 2.
- Port 1 at right position: implicit output fixedport numbered 1.