Please note that the recommended version of Scilab is 2026.0.0. This page might be outdated.
See the recommended documentation of this function
IN_f
Regular Input Port
Block Screenshot

Contents
Palettes
Description
This block represent a regular input port. It must only be used inside a Xcos Super Block and be connected to a regular input in the subsystem.
This block is a signal link from outside of a system into a sub-system. In a Super Block, the regular's input ports must be numbered from 1 to the total number of regular's input ports. You can set it with the Port number parameter.
Data types
- Output : same type that the input connected to it in the sub-system. 
Dialog box

- Port number - An integer defining the port number. - Properties : Type 'vec' of size 1. 
Default properties
- always active: no 
- direct-feedthrough: no 
- zero-crossing: no 
- mode: no 
- regular outputs: - - port 1 : size [-1,-2] / type -1 
- number/sizes of activation inputs: 0 
- number/sizes of activation outputs: 0 
- continuous-time state: no 
- discrete-time state: no 
- object discrete-time state: no 
- name of computational function: input 
Example
In the following example the Super block is an amplitude modulator. The IN_f block is used as a modulation signal input. Its data type is defined by the input type of the gain block that is a scalar double data type. Open this example in Xcos.

Interfacing function
Authors
Ramine Nikoukhah - INRIA
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