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Completion Time: 25 minutes
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Completion of the Schematic Symbols Lesson.
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Objective: In this exercise, you create a new custom symbol and insert it on a rung in your drawing. You do the following: ■ Draw graphics for a new custom symbol. ■ Insert data attributes such as TAG1 and DESC1, 2, and 3. ■ Add wire connection attributes.
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1: If the Project Manager is not displayed, on the Project tab, Project Tools panel, click Manager.
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2: If Custom_Components_NFPA is the active project, skip to step 6. If it is open but not active, in the Project Manager, do the following: ■ Right-click Custom_Components_NFPA. ■ Click Activate. ■ Skip to step 6.
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3: In the Project Manager, click Open Project.
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4: Browse to where you installed the exercise files and select Custom_Components_NFPA.wdp. Click Open.
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5: From the Projects list, click the expansion node next to Custom_Components_NFPA to expand the drawing list.
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6: Right-click Custom_Components_NFPA_04.dwg. Click Open.
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7: Zoom in to an empty area on rung 421.
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8: To draw a circle for the symbol geometry, do the following: ■ On the Home tab, Draw panel, click Circle - Center Radius command. ■ Specify the center point on rung 421. ■ For Radius, type 0.125 then press ENTER.
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9: To create a polygon around the circle, do the following: ■ On the Home tab, Draw panel, Rectangle flyout, click Polygon. ■ For number of sides, type 4 then press ENTER. ■ For the center of polygon, select the center of the circle. ■ For the Inscribed or Circumscribed prompt, accept the default of I by pressing ENTER. ■ For the radius of the circle, type @0.25,0 then press ENTER.
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10: Insert Data Attributes: On the Schematic tab, Other Tools panel, click Symbol Builder.
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11: In the Select Symbol/Objects dialog box, under Select from Drawing, click Select Objects.
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12: At the Select Objects prompt, select the symbol graphics. Press ENTER.
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13: In the Select Symbol/Objects dialog box, click Pick Point.
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14: In the drawing, select the center point of the circle you just drew.
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15: In the Select Symbol/Objects dialog box, under Attribute Template, for Type, select (CR) Control Relays from the list.
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16: Notice that a preview of the selected graphics is displayed. Click OK.
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17: In the Block Editor environment, close the Block Authoring palette.
Note: This step is not required to create a symbol, but it reduces the clutter in the Block Editor environment.
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18: In the Attribute Editor, under the Required list, do the following: ■ Select TAG1, MFG, CAT, ASSYCODE, FAMILY, INST, and LOC. ■ Click Insert Attribute.
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19: In the Block Editor, select an insertion point at approximately 0.0,0.0625
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20: In the Attribute Editor, under the Required list, do the following: ■ Select DESC1, DESC2, and DESC3. ■ Drag the attributes into the Block Editor. ■ Select an insertion point at approximately -0.8125,0.3125.
Note: The insertion point of multiple attributes is based on the insertion point of the attributes in the attribute template being used.
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21: Insert Wire Connections:
In the Attribute Editor, under Wire Connection, from the Direction/Style list, select Left/None.
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22: Click Insert Wire Connection.
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23: In the Block Editor, insert the wire connection attribute exactly at the left corner of your symbol. Be sure to use some kind of Snap mode. Press ENTER.
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24: In the Attribute Editor, under Wire Connection, do the following: ■ From the Direction/Style list, select Right/ None. ■ Click Insert Wire Connection.
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25: In the Block Editor, insert the wire connection attribute exactly at the right corner of your symbol. Be sure to use some kind of Snap mode. Press ENTER.
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26: In the Attribute Editor, click Symbol Audit.
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27: In the Symbol Audit dialog box, notice the entry listing four missing attributes. These are the four attributes that you did not insert in the symbol. Click OK.
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28: On the Symbol Builder tab, Close panel, click Close Block Editor.
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29: In the Close Block Editor: Save Symbol dialog box, do the following: ■ Under Symbol, for Unique Identifier, type _My_Symbol ■ Press TAB or click anywhere in the dialog box to execute the change. ■ Click OK.
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30: In the Close Block Editor dialog box, click Yes.
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31: In the drawing, select an insertion point for the new symbol on rung 421, just to the right of the original symbol graphics.
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32: In the Insert/Edit Component dialog box, click OK.
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