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 # Square

 Last update: 17.07.2025 

The flow is 0 the first half of the interval and 1 the second half for every period.

The figure shows the output flow for a square waveform with the following inputs:

- period: 1
- ts (timesample): 0.1
- amplitude: 2
- offset: -1

![](/sites/default/files/git_ansys/scade_one_library_2024_r2_18_07_24/t__square_00.png)

## Interface

NameKindTypeCommentperiodIfloatValue of the period  
Range: >0tsIfloatTime sample during the period  
Range: >0amplitudeIfloatGain to be applied to the output flow (default 1)offsetIfloatOffset to be added to the output flow (default 0)flowOfloatOutput flow**Constraint**: The ratio period / ts must be greater than 2.

**Parent topic:**[Sources::T](../../libraries/sources/sources_t.md)