It is intended to determine the maximum number of passes through this component.
The failover branch appears in the edited component when the limit is set 
.
The failover branch will be used if more passes are passed through the component than entered in the Max field.
Clicking on the Add Limit button adds a Max field and a Delete limit button.
The number of possible passes is indicated in the Max field.
Clicking on the Delete limit button removes the limit and returns the Add limit button.
