WOLFRAM SYSTEM MODELER
This information is part of the Modelica Standard Library maintained by the Modelica Association.
The Logical.Switch switches, depending on the logical connector u2 (the middle connector) between the two possible input signals u1 (upper connector) and u3 (lower connector).
If u2 is true, the output signal y is set equal to u1, else it is set equal to u3.
Two tanks connected with pipes at different heights