Delay block needs to have either an expression or a value as a delay value. If the delay_value is left blank, the following error will be generated. VisualSim.kernel.util.IllegalActionException: in .Delay_Blank_Delay_Value.manager Because: ...
While making any feedback connection, introducing delay is mandatory, this is done using a delay block with the value 0.0. If no delay in introduced the following error will be generated. 'VisualSim.kernel.util.IllegalActionException: Found zero ...