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In the System Explorer window configuration tree, expand the Power Electronics Add-On custom device and select Circuit Model >> Switches to display this page. After a model is successfully loaded in the Circuit Model Section, this page is added to the configuration tree and populated with a named list of the Switch components found in the circuit model. An incoming digital signal must be mapped to each Switch switch to control its state as it is simulated in the eHS solver.

For each switch, the following information and mapping options are available at edit-time.

Switches Settings

Type

Displays the type of switch (See Supported Circuit Editors for a list of supported Switch components in the circuit model).

Group

Filters the list of available elements to be mapped to the Switch. The available options are defined by the selected Hardware Configuration, however it is typical to see the following options by default:

  • CPU (VeriStand)

VeriStand custom device channels on the CPU. If this Group is selected, the Element dropdown is populated with a single option displaying the name of the custom device channel whose value is mapped.

  • PWMs

PWM outputs of the PWM Generators Section. In the Element dropdown, select the index of the PWM Generator whose output signal to map.

  • SPWMs

SPWM outputs of the SPWM Generators Section. In the Element dropdown, select the name of the channel to map.

  • Digital Inputs

Digital Input channels of the PXI card. In the Element dropdown, select the index of the DI channel to map.

Element

The name or index of the signal to be mapped to the switch. The options available in this dropdown depend on the selected Group.

Polarity

The polarity of the switch component. Active High switches are open when LOW is applied to the gate and closed when HIGH is applied to the gate. Active Low switches are closed when LOW is applied to the gate and open when HIGH is applied to the gate

Gs

The conductance of the switch. For more information, please refer to How to Tune Switch Conductance (Gs).

Switches Section Channels

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