Creating your own symbol

Symbol creation process

Creating your own intelligent schematic symbol is an easy and automated process:

  • Draw symbols using lines, circles, arcs and text.
  • Group all shapes and add connection points.
  • Select shape and click on menu Create Symbol.

The anatomy of a schematic symbol

Symbol Anatomy
Symbol Anatomy

The create symbol window

The Create Symbol window is used to automatically insert intelligence and data into your custom symbol for it to be correctly identified and processed by Electra.

Create Symbol Window
Create Symbol Window
Create Symbol
Create Symbol

All schematic symbols in Electra have a link to a default component. This link is used by Electra to automatically match symbols to components during panel layout and reports.

Create Symbol Window
Create Symbol Window
Create Symbol
Create Symbol

All symbols with connection points can have a set of pin names assigned to the connection points.

Pin Names
Pin Names
Set Pin Name
Set Pin Name

To manually control the width and height of the description textbox, use the width and height text box.

Textbox width and height
Textbox width and height

After setting all the options on the Create Symbol window, click the OK button and Create Symbol will:

  • Insert intelligence and data into your custom symbol.
  • Open the selected stencil and add your custom symbol onto the stencil.
  • Delete the custom symbol from your drawing (For Electra to identify your custom symbol, it must originate from a stencil).

Editing the symbol icon

To edit a symbol icon:

  • Right click on a symbol and select Edit icon.

Modifying existing symbols

To modify and edit symbols on drawing:

  • Drop symbols onto drawing.
  • Modify symbols as required and click on menu Create Symbol to add in back onto a stencil.

To delete a graphic on an existing symbol:

  • Drop symbols onto drawing.
  • Click on the symbol, then click on a graphic.
  • Right click on the selected graphic, click on the Tools | Unlock shape(s) .
  • With the graphic now unlocked, simply press the Delete key to remove the graphic.
  • After graphics has been removed, select the symbol and use menu Create Symbol to add it back onto a stencil.

To add a graphic to an existing symbol:

  • Drop symbols onto drawing.
  • Draw and place graphics as required.
  • Select both the existing symbol and also the newly drawn graphics, then click on menu Create Symbol.
  • Electra will automatically detect an existing symbol in your selection and will ask if you wanted to combine them.
  • Once combined, Electra will add the new graphic into the existing symbol while still preserving the symbol's information.
Add graphic to symbol