Scicos Block
fr - eng

##
Non-ideal electrical switch

### Contents

- Non-ideal electrical switch
  - Palette
  - Description
  - Dialog box
  - Default properties
  - Interfacing function
  - Modelica model
  - Authors

### Palette

- Electrical.cosf - Electrical toolbox

### Description

This is a non-ideal two-pole switch. If the explicit input become positive, two pins are connected via a resistor of resistance RON). Otherwise, two pins are connected via ROFF resistance. Note that using this block may result in a stiff model, so try to choose proper error tolerances.

### Dialog box

- Resistance in On state (Ohm)
  Switch resistance when the Switch is closed
  Properties : Type 'vec' of size 1.

- Resistance in Off state (Ohm)
  Switch resistance when the switch is open
  Properties : Type 'vec' of size 1.

### Default properties

- Inputs :
  - Modelica variable name : 'p'
    Implicit variable.

  - Modelica variable name : 'inp'
    Explicit variable.

- Outputs :
  - Modelica variable name : 'n'
    Implicit variable.

- Parameters :
  - Modelica parameter name : 'Ron'
    Default value : 0.01
    Is a state variable : no.

  - Modelica parameter name : 'Roff'
    Default value : 100000
    Is a state variable : no.

- File name of the model : Switch

### Interfacing function

- SCI/macros/scicos_blocks/Electrical/Switch.sci [view code]

### Modelica model

- SCI/macros/scicos_blocks/Electrical/Switch.mo [view code]

### Authors

Masoud Najafi INRIA