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The Benefits of

Using the Electrical

Toolset in AutoCAD

A productivity study detailing the differences

between AutoCAD

®

and the Electrical toolset.

Built specifically to create and modify electrical controls designs the Electrical toolset (previously referred to as AutoCAD Electrical) is now included as part of the AutoCAD including specialized toolsets offering. Purpose-built electrical design tools that help eliminate errors and provide accurate information to manufacturing, allow more time for design and engineering. This study details the productivity gains that users may experience when using the Electrical toolset rather than basic AutoCAD.*

KEY FINDINGS ■ Creating new designs was 84% faster. ■ Editing existing designs was 77% faster. ■ Risk of errors was greatly reduced because of a 67% reduction in number of commands used.

THE STUDY This study explores 10 common design challenges and shows direct comparisons of the time and effort required to accomplish each specific task in basic AutoCAD and the Electrical toolset.* The same tasks were completed up to 95% faster using the Electrical toolset.* The performance results in this paper were achieved by one expert- level user using both AutoCAD and the Electrical toolset applications. This user conducted the comparative tests on the same sample Electrical toolset drawings in the same project. The tasks are comprehensive in nature. For each task, the number of commands used, number of times each command was accessed, and the total time it took to complete each task using both AutoCAD and the Electrical toolset are documented in each case. It was assumed during the study that all symbols and title blocks needed in AutoCAD for the design process were local to the document. Searching time is subjective and the methodologies allowed for the quick placement of required blocks in the shortest amount of time possible. A detailed description of the study follows.

Comprehensive Symbol Libraries AutoCAD Electrical Toolset

Number of commands utilized 4 1 Number of times commands accessed 8 2 Number of user picks and clicks 48 10 Total time to complete task 1:50 0: Time savings with the Electrical Toolset 85% (Figures shown in minutes and seconds) Facts: The Electrical toolset provides “smart” schematic symbols (not just regular AutoCAD blocks) that align with the wires in the schematic drawing and renumber where applicable. In AutoCAD, the blocks had to be moved and rotated to align with the wires, and wire numbers needed to be moved manually. ■ The Icon Menu provides an extensive library of component symbols that are easy to use, colorfu,l and customizable ■ Inserted component symbols automatically align with any underlying wire ■ Existing wiring automatically breaks and reconnects to symbols ■ New, unique wire number assignments automatically generate for split wire pieces

Task: The Electrical toolset automatically places sequential or reference-based numbers on all wires and components based on the chosen configuration. The Electrical toolset can also determine if an inserted wire will “bump” in to anything and automatically searches laterally along the wire for a clear spot to place the wire number. If no clear spot is found, the Electrical toolset will find a spot away from the wire and draw a leader back to the wire. In this task, the circuit needs to be updated to reflect a numbering scheme change for an existing design. The task is to completely retag the drawing with unique reference numbers, component tags and wire numbers. Steps: ■ Change starting ladder reference numbers ■ Re-tag all schematic symbols based upon the new line reference numbers ■ Reassign wire numbers sequentially, starting with the wire number tags

AUTOMATIC WIRE

NUMBERING AND

COMPONENT TAGGING

REAL-TIME

ERROR CHECKING

Task: The Electrical toolset includes real-time error checking to help you avoid errors during the design process. It compares any requested changes with the current project and alerts you to duplicated, schematic component reference designations, wire numbers, and more. The task, in this case, demonstrates automatic contact pin assignment and contact count checking when linking child relay contact symbols to parent relay coil symbols. It assigns the next available set of contact pin numbers based upon the catalog number assignment. Steps: ■ Use a relay coil that has a catalog assignment that corresponds to having four child contacts. Scan the project to find instances of child contacts in other views on other drawings. ■ Relate other child contacts, located on another project drawing, back to the relay coil. ■ Assigning the next available contact pin number pairs based on the coil’s catalog

Real-time error checking AutoCAD Electrical Toolset

Number of commands utilized 2 2 Number of times commands accessed 5 3 Number of user picks and clicks 114 18 Total time to complete task 2:15 0: Time savings with the Electrical Toolset 83% (Figures shown in minutes and seconds) Facts: The Electrical toolset provides the following advantages for real-time error checking: ■ Automatically finds the next available pin pair for each child contact ■ Pulls in a simple pick from a “parent” list pulls in tag/ID, description and assigns cross-references ■ Alerts when the maximum contact count is exceeded on any ‘smart’ component ■ Avoids costly errors

Calculate forces in mechanism AutoCAD Electrical Toolset

Number of commands utilized 5 1 Number of times commands accessed 8 2 Number of user picks and clicks 82 4 Total time to complete task 1:55 0: Time savings with the Electrical Toolset 78% (Figures shown in minutes and seconds) Facts: The Electrical toolset offers huge time savings here because: ■ It tracks contact usage over ALL project drawings so that you don’t have to ■ Selection is simple from a real-time list of parent relays with error checking, auto-pin list assignment, and auto-tagging ■ Bi-directional cross-referencing updates automatically, even with complex formats

ELECTRICAL-SPECIFIC

DRAFTING FEATURES

Task: The Electrical toolset offers many commands designed specifically for electrical schematic drafting. Specialized features such as Trim Wire, Scoot and Align Components make it easier to create drawings quickly. Steps: ■ Add multiple bus-wiring to a three-phase circuit drawing ■ Insert a three-phase motor with automatic connections and fuses ■ Add wire numbers and components and scoot wire numbers and components when editing ■ Adjust wire crossings to keep drawing organized and ensure wires are clearly visible

AUTOMATICALLY CREATE

PLC I/O DRAWINGS FROM

SPREADSHEETS

Task: The Electrical toolset provides users with the ability to create PLC I/O drawings from spreadsheets (such as Microsoft®^ Excel). All the necessary I/O assignments and connected devices are included in the spreadsheet file, which the Electrical toolset converts in to a PLC I/O drawing using the PLC I/O Utility. The task is to use the Electrical toolset, bring in the PLC I/O spreadsheet and run the PLC I/O Utility to create the PLC I/O drawing. In basic AutoCAD, it is assumed that all the necessary symbols required are in the basic AutoCAD DWG file as blocks. Steps: ■ With the first drawing, insert the PLC I/O symbol and edit addresses to match spreadsheet ■ Insert the in-line device symbols with wires to connect symbols from the buses to the I/O points ■ Cut/paste description and tag text over from the spreadsheet; repeat until all modules are accounted for

Automatically create PLC I/O dwgs

from spreadsheets

AutoCAD Electrical Toolset

Number of commands utilized 4 1 Number of times commands accessed 246 1 Number of user picks and clicks 448 6 Total time to complete task 112:00 0: Time savings with the Electrical Toolset 99% (Figures shown in minutes and seconds) Facts: The Electrical toolset provides massive time savings when creating PLC I/O drawings as compared to basic AutoCAD, but with the following assumptions: ■ The designer has created an initial controls scheme in a suitable spreadsheet (Excel) ■ The data is properly formatted ■ The basic AutoCAD user has created the ladders in the drawings and is using suitable blocks for symbols

Create smart panel layout drawings AutoCAD Electrical Toolset

Number of commands utilized 3 4 Number of times commands accessed 18 4 Number of user picks and clicks 210 77 Total time to complete task 6:29 2: Time savings with the Electrical Toolset 61% (Figures shown in minutes and seconds) Facts: The time savings provided by the Electrical toolset are obvious when creating panel layout drawings: ■ Part number assignments in schematic drawings can drive automatic panel foot print selection ■ Tag-ID and description text from schematic symbols automatically copies to panel components ■ Automatic tracking of item numbers for balloons and parts lists

AUTOMATIC PROJECT

REPORTS

Task: With the data available in the Electrical toolset projects, the time taken to generate reports is drastically reduced. Everything is covered: Bills of Materials (BOMs), cable lists, terminal reports, from/to wire lists, and many more. The task is to create a BOM list for the current drawing in a project. The drawing includes several components used numerous times throughout the panel. The BOM will consist of tag numbers, quantity, manufacturer name, catalog number and description. Steps: ■ Create table with required fields (BOM) ■ Add component data to the table