Schmitt Trigger for Matlab 2013b

I have created a model for a valve control system along with its Power electronics using Simulink 2015b.

But I need to convert it into a version of Simulink 2013b. When I converted it using the 'save to previous version' feature, I got to know that Schmitt trigger does not exist in Simulink 2013b. Can anybody let me know if any other component can be used in place of a Schmitt trigger? Or should I replace the Schmitt trigger component with a schmitt trigger circuit wherever its being used?

Answer 1

[Sabin]

Schmitt trigger was introduced in R2015a. The only option for older versions would be a custom implementation.