The convert block converts the data type of the input signal to 1 of the following: char, unsigned char, short, unsigned short, int, long, unsigned long, float, double, void*, enum ComboItem, matrix double, scaled int, string, complex structure, or matrix complex. To check for overflow errors, activate Warn Numeric Overflow  under System > System Properties > Preferences.

Radix Point: This parameter is available when Scaled Int is selected. It represents the number of bits provided for the integral part of the number. The difference between the word size and the radix point represents the mantissal (or fractional part of the number).

Word Size: Sets the word size for the target architecture. The word size can be overridden using the Override Word Size option in the dialog for the Fixed Point Block Set Configure command under the Tools menu.