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1. Y CENTRE nm ROT SIDE TYPE OL AO AOS A A 0 ADS AM O O PO E SIMI Cat LOONE COOU n Mm 22092000 LOSS od 20 90 TOP SMD OO I LOOnE T DODS U 422516600 L05534200 90 TOR TSMD Cat LODO tC 0605s 45795400 o09G000 270 TOR OMbD ES LOUmEgET C060 426244200 9067300 O BOTTOM SUD ECO LDOREU tO06003 6556016000 231 14000 1270 BOTTOM SMD 9 8 Graffy In the PCB layout module You go File gt Export gt Archive This generates the pcb archive file SS GRAFFY Technical Graphics Editor SS Revision gt W 11 06 SS Archival Date M D YYYY 9 18 2006 Page 44 Index Design BOM Builder User Manual Chapter 9 CAD File Formats Archival Time 8 36 AM UNITS INCH 10000 LOCK 45 0000 GRID 0 0250 2 0 0000 0 0000 9 9 Allegro The Allegro export functions produce files using a semicolon as a field delimit characters There is one set of fields for the Input Parts List and another for XYRS information XYRS info is in mils 1 1000 Inch Parts List PartNumber Description Package RefDes LOMQI1OON ND International Rectifier 100V 1 5A Schottky SMA SMA D3 160 1435 1 ND Lite On Inc Green LED 0603 80mCandela LED 0603 LED D2 D1 240 1018 1 ND FB 0805 500mA 600 Ohm Ferrite Bead 0805 L18 L17 L16 L15 296 14174 5 ND TI OPA569 Power Amplifier R2R 2A TSSOP20 U6 U8 296 17549 ND TI Dual 14bit D A Converter TOFP48G U18 U17 U16 U15 2960
2. The color of the line items 1s different for different design phases PCB is associated with PCB Design while PnP Pick N Place is associated with manu facturing processes Also notice that when a Design Mode button is clicked the count of com ponent for each color state is recalculated and shown in the bottom color boxes Continue selecting each line item in the main tree view and then naming each part by double clicking on each Description then selecting the below parts from the part search engine results The final part assignments will be C1 SMC CER0603 1UF 50V C2 SMC TANT 10UF 6 3V A Pl CON 09 D MALE RA 318 JP1 POST 025 1X2 R1 SMR 5 0603 1 0K R2 SMR 5 1206 100 R3 SMR 5 1206 100 QI SMQ 2N3904 Select P1 and change it to be HAND stuffed do the same for JP1 These parts are through hole devices and they can not be automatically placed Unless these parts are marked as HAND they will show as yellow in the PnP color mapping mode save the final BOM as SAMPLEI BMB using the FILE SAVE AS menu Edit the name of the file to SAMPLEI bmb in the SAMPLE directory This output BMB file has all the linked data setup and options recorded in a single text file format 7 00 udder Main Sireen C004 Mir BA Sample utar H ll xl File Cdt Dowd Report Packages About cow s D CON O3 D HALI RA 318 Connector 9 Pin D Hale Bt Angle POR Hount 218 Be LR Rol Diespnalor DET Eran Aur 1 F Hi Pip F m E LUMI
3. These flags control how netlist data is treated and how the BOM is optionally updated BOM Compare Utility was File C ABOM Bld B Ms SampleXSAMPLE3 bmb Now File V Force UNASSIGNED on Netlist Change CABOM Bld BOMsNS ample SAMPLE REV2 NET Verity CAD Attributes Merge Input Data Retain BOM Data Warnings BOM Compare Screen An example has been provided in the SAMPLE di rectory which provides a net list to compare with the SAMPLE3 BMB file A new netlist has been created which has a different value 2K for RI With SAMPLE3 BMB loaded use the Main Menu FILE COMPARE sequence to select the file SAM PLE REV2 NET When the File Compare Utility screen is shown click on the COMPARE button Parts will be compared and R1 will be shown as changed Click on the Merge Input Data check box so that it becomes checked then click on the Compare button again This time the error will be gone as the difference have been merged into the BOM Close the Compare Utility window and ob serve that R1 is now RED When the changed part Page 34 Index Designs BOM Builder User Manual Chapter 7 Import Function was merged to the BOM database prior package and PCB selections are removed and selections must be made 7 4 Excel CSV and TXT Import In many cases data about input parts data is pro vided as a spread sheet This is unfortunate as hand generated spread sheets are typically incomplete in con
4. lITJISOU0 LI NDSTI THS4509 Dirt Amp QENLOSUSU U29 4UZ29 U027 XYRS Information RefDes PartNumber X Y Rot Side DU22 296917999 ND 1173 5734230 72319905 000 B Qk U215 296 17999 ND 2270 005 47900 007 160 000 Back U207 296 17 999 ND 4690 0074760 00 7 100 000 Back D19 296917999 ND 5615 0054245 00 190 000 B3Qk 049 399 3098 1 ND 840 00 1420 00 180 000 Top 405 3999569 I l ND 60150 0052755 0020 000 Back O2l160 49541509 1 ND 790 0054540 0052270 000 Back 9 10 Proteus Proteus XYRS files have the following form LABCENTER PROTEUS PICK AND PLACE FILE Component positions for G mydir myfile LYT Fields Part ID Value Package Layer Rotation X Y Units Rotation degrees X Y thou Notes The X Y value is the centre of package as drawn in ARES The origin for these values is the Output Origin The values are a guide only and must be checked manually when setting up automatic insertion equipment Page 45 Chapter 9 CAD File Formats BOM Builder User Manual Index Design U1 LT1366 SOP8 225 TOP 270 3962 5 2025 U8 LT1366 SOP8 225 TOP 270 3962 5 1625 U13 LM4120 SOP 23 5 TOP 0 4055 542 5 C18 1 0uf 0805 TOP 0 3907 595 C10 O luz 0805 BOT 0 3842 735 R25 54 9K 0805 TOP 270 3750 1992 Page 46 Index Designs BOM Builder User Manual Chapter 10 Package Names 10 Package Names A key component in the BOM Builder software en vironment is a li
5. LOMA MALE i 31H Zw Descnpion PCE Decal TM Suled Connector 9 Pin O Made Al Sres PLA Mount XI Body CON 20 A4H 318 Cale E P er Dern lode Package gt u a CORE oo PP Rehesh Tree TDH An RAM TIA e egg Decal OK Changed Decal New Part Not Suffed E Pao EN newer O aee B Done I Hand Stutiey SAMPLE1 BMB Final Status 2 8 Part List Summary The most important aspect of reading the input parts list 1s getting the Value and Descriptions correct If a Part Number is read IT MUST BE CORRECT It is this information that drives the assembly process and bad data is guaranteed to deliver miss stuffed assemblies Part Numbers are a key to data reuse Accurate pro curement manufacturing PCB foot print selection and the programming of automatic assembly equip ment rely on having verified data Maintaining a single accurate component database requires a sginificant effort that few organizations master Keeping multiple independent databases for sche matic entry PCB design purchasing and manufac turing is extremely difficult BOM Builder is a unique tool for merging data from multiple sources Page 11 Index Designs BOM Builder User Manual Chapter 3 Reading Gerber Images 3 Reading Gerber Images A major feature of BOM Builder is giving users the ability to visualize and verify BOM and physical as sembly data Just as a PCB design tool shows how traces will be rendered into Gerber fies then to cop
6. PCB Decal field The result is a output file with PCB De cals selected from a company MRP system Using BOM Builder in this manner eliminates the need to duplicate the MRP database parts in CAD libraries Double click to select a different input and file names Gerber file name fields are automatically filled in as gerber file are selected in the Read Gerber screen The names are displayed here for convenience Double click to select a different file name Various ATTRIBUTES fields allow a user to define the attribute names used to populate BOM Builder fields during PADs netlist and ASC file read Three BOM Builder fields Value Part Number and De scription can each contain a number of attribute names If any single attribute name contains a space then that attribute name should be inclosed by characters The RS 274 D field is used when reading RS 274 D gerber files Note that aperture files are read using dll libraries See file Gerb Apertures txt in the cABOM Bldr IntfTools directory for more information Three dll files provide control of several input and output processes These files are used during Import and Export as their name suggests See the Export and Import chapters for more detail A DBL Click can be used to select different dll processors AOT files are used to control part X Y placement and rotation as required by a specific set of user CAD libraries Assuming the Component Reference Points have been
7. XYRS data these keys allow fine tun ing of placement data During Adjust Component Reference Point mode which is entered using R the arrow keys adjust the XY Placement reference point The final effect 1s that all parts move relative to the gerber image Normal movements are 1 mil while the SHIFT key provides 5 mil 25 4 um and 127 um moves The B key is used to start Board Outline mode In this mode the user can click on gerber items to se lect the XY points of the board outline The BACK SPACE key can be used to remove previous points To support documentation requirements the C key will copy the current graphic image to the Windows Clipboard which allows the image to be incorpo rated in emails reports or other desktop applica tions While most components will be placed using XYRS data there are occasions where parts are placed by hand To simplify this task the P key allows the user to specify a sequence of parts by reference designator to manually place This allows the user to concentrate on a single area of the board and complete all the components in that section Parts from the list will be Cycled to the graphic cursor using the ESC key The F5 F8 keys provide the same function as they do in the Main Tree Screen The currently selected Assembly View part 1s changed according to the key pressed The ESC key will cancel any current command and deselect and any current modes If there are additional parts i
8. addition to simply viewing the BOM data the user can use the Assembly View to Adjust component position and rotation To query a mount location and determine the RedDes Value Desc and Part Number Identify the line item to which the part belongs and locate similar parts Page 4 Index Designs BOM Builder User Manual Chapter 1 Introduction Verify polarized component orientation Verify component fit and PCB Decals Generate Smart PDF containing BOM data and PCB graphics A very important function of the assembly view is to identify how component leads fit on the copper and solder paste deposits Copper is shown in grey while solder paste is shown in light blue Package models from Index Designs show metal lead faces in RED or BLUE depending on the displayed side The ability to visually inspect how a component lead is positioned in paste and on copper is criti cally important to product reliability and assembly yield Further the setup and programming of auto matic assembly equipment is 100 verified The ability to automate the collection of assembly data from schematics PCB designs CAD tools or Spread Sheets and to combine this data with a li brary of component models is unique The ability to drive a automated assembly line with this data is truly a unique service Highl Light Ref Des Part Display Count Part Number Side Selec C1 v PrP SMC CERO603 1UF 50 O v Top Bottom T
9. be displayed in the lower left Press the ESC key and the component for the first reference designator will be attached to the cursor LEFT CLICK will drop this component while CTRL RIGHT CLICK will rotate the component When the component is dropped it 1s removed from the Placement Sequence List Pressing the ESC key will take the next component from the list and that part can be placed This logic allows a user to ZOOM in to a good working level and then place components without a lot of ZOOM and PAN operations 4 Verifying Placements Verification of component placement and orienta tion 1s critical for accurate assembly BOM Builder contains links between the Main Tree Structured BOM and the Assembly View screen for Cross Probing type operation When both of these screens are positioned on the computer desktop such that both are visible component checking is simplified A click on a Main Tree line item will highlight the selected components in the Assembly View Since components within a single line item can be located on different sides of a board there are Red and Blue indicators in the Assembly View screen to indicate the counts on each side If the user is zoomed in and a single component is selected that component will be centered in the As sembly View screen If more than one component is selected the midpoint is centered When the Main Screen is selected the arrow keys will move down tree line
10. box which will remove the check mark then click on the Update BOM but ton This identifies that this part is not to be stuffed and causes the color to change to grey Additional check boxes allow parts to be independently marked as IN BOM IN PCB Design or included IN SCHE MATIC checking BOM Builder includes logic for comparing different BOM versions or comparing Page 10 Index Designs BOM Builder User Manual Chapter 2 Input Parts Lists new schematics to existing BOMs The In SCH bit 1s used in this checking logic There is also a Part Type field which allows a part to be marked as SMT or Through Hole THT This setting along with the Top and Bottom side status is typically set automatically There are occasions where manual control of these and other flags 1s required PCB Assembly techniques require that material be sorted by technology SMT or THT and side Top or Bottom Key to efficient and timely assembly is having the correct material at the correct work sta tions Machine operators and programmers need ex act listings of the material that must be processed At the bottom of the main tree screen is a Design Mode group of radio button Click on the PCB PCB Design Mode button and coded parts turn to Yellow While these parts have PCB decals as signed there are no corresponding entries in the User Decal Table The Yellow indicates that there may be a problem with the PCB decal assignments
11. can be translated as described in the next section 6 6 Decal Map Table A Decal Map Table EDIT DECAL MAP is in cluded which allows PCB Decal names to be trans lated as they are written to the output PADS ASC file This logic allows a single MRP system with a single set of PCB Decal names to drive multiple PCB design tools where each tool uses different li braries PCB Design service organizations can use a single In House set of PCB Decal mappings and still prepare input files for PCB Design using cus tomer libraries This map table is driven by simple text files which can be read or written using any text editor Two columns exist in the table Local Decal RefDes and Target Decal As BOM parts are processed their Reference Designator and PCB Decal are com pared to the first column and if a match is found the Target Decal in the second column is written to the PADS ASC file The result is a PCB decal name translation The syntax of the first column allows a single refer ence designator or a series of reference designators to be renamed It is also possible to rename on a PCB decal bases or a combination of a reference designator and PCB Decal name Examples of this syntax are R21 Component R21 will be output using table Target Decal e R lt All components with R as their initial set of reference designator letters will be output using the table Target Decal RN2 would not be changed as it s
12. ee Peeve ee ee eee es 51 Parameter Del initlonsS cn ario RO um Eum Oe aww A Sw OUS 34 ew A e 51 Page lll Index Designs BOM Builder User Manual Chapter 1 Introduction 1 Introduction BOM Builder is a software tool used to prepare electronic component data for automated assembly This tool is design for use by circuit designers who design circuits and who are responsible for the real ization of the final assemblies Additional features within BOM Builder support component selection schematic to PCB translation and purchasing func tions Control is provided for reuse of existing com ponent data the incorporation of new component and the control of design variations BOM Builder eliminates the need for schematic library attributes and allows PCB decal definitions to be easily linked with purchasing database systems BOM Builder provides the required link to pass data to automated assembly Index Designs pro vides data libraries making BOM Builder a unique tool for preparing assembly data 1 1 Overview The basic idea is quite simple BOM Builder is a tool that collects a Parts List from a schematic re port or spread sheet BOMs and associates that data with physical packages and their X Y placement on a PCB surface Several additional data items are collected and merged with this list e Similar parts are merged into Line Items in preparation for Pick and Place setup e STUFF and NO STUFF status is provided t
13. image e Open the SAMPLEI BMB file created in Chapter 2 Use BOARD READ GERBER to open the Gerber Read screen Use Layer Select to select Top Copper Click the Browse Read button and navigate to the c BOM_Bldr BOMs Sample_ directory and Open the ARTO1 PHO file Page 14 Index Designs BOM Builder User Manual Chapter 3 Reading Gerber Images Inthe X Y Alignment screen enter 1000 in both the Selected X and Selected Y fields or click on the lower left corner of the lower left board edge mark A 1000 x 1000 mil offset was used when creating this Gerber Check the Align Gerbers check box and click Execute Save the Copper Gerber image to the BOM using the Save button Use Layer Select to select the Top Solder Paste Use Browse Read to Open file SMD0123 PHO This file was automatically aligned so save to the BOM using the Save button Use Layer Select to select Top Silkscreen Use the Browse Read to Open file SST0126 PHO This was automatically aligned so save to the BOM using the Save button Close the Read Gerber window Use FILE SAVE AS to save the file as SAMPLE2 bmb in the c BOM_Bldr Sample directory At this point the board Gerber files have been read into the BOM Use the BOARD ASSEMBLY VIEW to view the merged gerbers along with all the parts sitting at location 0 0 The resulting merged image is shown below 1 Assembly View LAYER 1 TOP SOLDER PASTE TOP Display M
14. initial set of reference designator letters is RN and not R 1206 All components currently assigned PCB Decal 1206 will be output using the table Target Decal e C 0603 All components with C as their initial set of reference designator letters AND a current PCB Decal of 0603 will be output as the Target Decal f no match is made the PCB Decal is output directly No changes are made to the current BOM during this process The changes to the decal names applies only to the decal names written in the PART sec tion in the output netlist Multiple sets of mapping tables can be maintained and selected in the EDIT DECAL MAP screen 6 Purchasing BOM Report Main Menu sequence REPORT PURCHASING BOM will generate a list of material required for board assembly The Board Information screen will be shown where the user can specify the number of Page 30 Index Designs BOM Builder User Manual Chapter 6 Export amp Reports boards to be built The count of component in each line item will be multiplied by this board count A report preview screen will allow the user to re view and print the report In addition to printing an Adobe Acrobat file pdf can be directly generated If a pdf is generated it will be opened where the Acrobat functions makes it easy to send email or print copies Only parts marked as IN BOM and STUFFED will be included This allows product variations to be easily construc
15. items This movement is done in a manner that speeds component checking At Index Designs this scheme is used to verify that each part is reasonably placed and the orientation of polarized parts 1s correct If the user clicks on a component in the Assembly View screen information about that component is placed in the upper left and that component 1s iden tified in the Main Screen Tree 4 8 XYRS Summary The key to successful automatic assembly is good data XYRS data and Component Reference Point data are typically a Throw It Over the Wall issue for most PCB Designers But operating in this mode requires manufacturing people to sometimes guess about what is required and this leads to errors As components become smaller there is less room for Page 20 Index Designs BOM Builder User Manual Chapter 4 XYRS amp Placement Data reference designators and incomplete data results in project delays BOM Builder contains the tools to automatically Get it Right the First Time but PCB designers must be aware of the required data Page 21 Index Designs BOM Builder User Manual Chapter 5 Package Select amp Editor o Package Select amp Editor Index Designs supplies a library of physical pack age models which are called Packages All data is contained in a single text file named PACKAGEDATA TXT BOM Builder uses this data to render package graphics over top a user Gerber image The resulting composite image i
16. offset Use the main menu FILE SAVE AS to save the complete database as SAMPLE3 bmb All Gerber files part images BOM line items are saved in the BMB file When the file SAMPLE3 BMB is opened the board can be viewed Using BOM Builder users can view the BOM component place ments and stuffing options BEFORE a bare board is Highl Light Ref Des C1 Part Display Count Side Selec Part Number v PnP SMC CEROEO3 1UF 50V O v Top Bottom TT Hand Description Bs gt Ea Eee Assembly View After XYRS Read fabricated This feature can detect bad PCB decals that could result in expensive re spins and delays 4 3 XYRS Adjustments Close the XYRS Log txt editor and check the Group Move GRP Move check box in the Assem bly View screen If required adjust the size and po sitions or the Main Screen and Assembly View Screen such that both can be seen at the same time Moving the mouse cursor over a component in the Assembly View will display information about that component A LEFT CLICK on a Assembly View component will show that component in the main screen Clicking on items in the Main Screen will select that component in the Assembly View The ESC key will cause the Assembly View to again show all component PAGE UP and PAGE DOWN will zoom in and out of the Assembly View When zoomed in a mouse RIGHT CLICK will pan the display When the mouse is over a component a CTRL RIGHT CLICK will rotate that component AN
17. only provide a alphanumeric sort on decal name BOM Builder also provides a similar sort based on package names For this reason package names should be VERY CAREFULLY chosen The most important step in defining a package name is knowing the package Style and reviewing how existing packages of that style are named To help with this process the following sections describe the existing package styles in the BOM Builder library 10 3 Dimension Convention The BOM Builder Package Editor uses a simple but powerful scheme to define units Any length dimen sion without a decimal point 1s considered as in mils 1 1000 Inch Any dimension with a decimal point is considered as mm When naming a package use this convention If a package is primarily defined in metric use mm other wise use mils Be consistent 10 4 Gull Wing amp QFP Packages with leads which stick out from the body on two sides are called Gull Wing GW If leads Page 47 Chapter 10 Package Names BOM Builder User Manual Index Designs stick out on 4 sides then the package 1s a QFP In dustry names like TQFP and VQFP are all consid ered as QFP style packages SOIC TSOP SSOP SOP MSOP are all Gull Wing packages Gull Wing packages are named with a GW fol lowed by the number of pins For pin counts less than 10 add a leading zero Following the pin count is the pin pitch followed by Width Across Leads For example a standard 8 pin SOIC is a GW 0
18. rent part and the second name is the Package For Example CRI206 1206 If the Userl filed for a part contains the above string the PCBDecal for that parts will be CR1206 and the Package as 1206 If the Userl field contain only a single name that single name will be used for both the PCB Decal and Package If Userl 1s blank the part will not be included in the BOM Builder database or the MRPData txt file 7 3 BOM Compare A compare function has been included that detects and reports difference between two BOMs This compare function will also except a Pads netlist as input though the number of possible detectable dif ferences is reduced Several check boxes provide processing options when comparing a netlist The bottom portion of the BOM Compare screen contains text fields were errors and warnings are re ported Clicking on strings in these text areas will open copies of these areas in a text editor Several check boxes provide additional control Merge Input Data will result in differences being applied to the BOM Retain BOM Data will maintain BOM Data for fields not read during netlist compares Force Unassigned will force Package and PCB Decals to UNASSIGNED during netlist compares Verify CAD Attributes will test input PADs attributes during netlist compares The reason for the above flags is a completed BOM with full details might be compared to a PADs netlist which have missing incomplete or simply bad data
19. typically inserted into schematic through schematic library attributes The preparation of these library attributes is time consuming expen sive and error prone BOM Builder eliminates the need to populate these CAD libraries with data from purchasing manufac turing and MRP Material Resource and Planning systems Instead BOM Builder supports the annota tion of circuit components using data from external software systems using Point and Click with a graphic interface The result in a significant reduc tion in CAD library maintenance while quickly gen erating accurate BOMs for manufacturing Changes in MRP purchasing or manufacturing data do not require changes in library attributes BOM Builder simply reads the new data and makes it available to circuit designers synchronization is automatic BOM Builder does not require active connections to advanced Data Servers or SQL engines Software within BOM Builder sorts tables forms indexes cross links tables and provides all internal data serv ing requirements Raw data can simply be trans ferred as text files using local area networks CDs or web browsers Engineer can exchange simple files which include all required data 1 4 Using Dynamic DLLs BOM Builder uses dynamically loaded DLL files to read user CAD and component data There are three major DLL function and one internal Microsoft Access connection Input Part List IPL xxxx dll X Y Rotate Side XYRS
20. uses existing de scriptions as the guideline when generating new descriptions for new packages 5 10 Toe Positions As mentioned toe positions are used to control PCB Decal generation using IPC 7351 rules Package Ed itor software displays Toe Position by drawing a white line on the Toe Side of each pins 5 11 Pin Names Each pin on a Package has an internal number and user number Unless the user manually modifies the user pin number it will be the same as the internal number While the automatic pin numbering logic in the Package Editor works for most new packages Page 26 Index Designs BOM Builder User Manual Chapter 5 Package Select amp Editor there are times when it 1s required to modify default numbers A right mouse click will allow the user to select Re Number Pin mode which will start the renumbering process After selecting the Re Number Pin selection from the right click menu the user can then left click on the first pin to be re numbered this pin will be numbered to 1 by default As pins are left clicked they will receive sequential number If the user wants to start number at a number greater than Ithe keyboard can be used to change the number of the last key renumbered Simply type on the keyboard to change the pin number of the last pin that was re numbered with a left click Alpha numeric pin number such as A B27 for AA5 are allowed Additional left click renumbering will advance the numer
21. xxxx dll MRP Data MRP xxxx dll e Internal links to Parts amp Vendors data in Microsoft Access format Page 3 Chapter 1 Introduction BOM Builder User Manual Index Designs Various dll routines are supplied for each function and for various CAD systems For example IPL Protel dll is used to read Input Parts List from Protel while the XYRS Layout Insert dll is used to read XYRS data from OrCAD Layout Component Insertion reports Additional dlls are provided for reading spread sheet data CSV format and simple text files BOM Builder stores the selected dll rou tines in the output BMB file Multiple BOMs from multiple CAD systems are easily managed using this technique For all IPL xxx dlls the required data consists of Reference Designator Value Part Number PCB Decal and Description Only the Reference Desig nator is required though a structured BOM can not be built if all the other fields are blank Typical us age involves using the Reference Designator and part Value as contains in the original schematic Note Reference designators must consist of AL PHA characters followed by NUMERIC characters Reference designators such as R1 C9999 and SWITS5 are accepted Reference Designators such as C5A GND 5 or A1 5 are not accepted Data for the XYRS xxx dlls requires a Reference Designator X Location Y Location Rotation Side and a PCB Decal Only the PCB Decal is optional all othe
22. 00 UNASSIGNED Res 100 Li R3 100 UNASSIGNED Res 100 m Eb Transistor 0 Line ltem Edit Data Ref Designator Value Part Numb R2 R3 A 100 UNASSI Description PCB Deca Res 100 UNASSI Color Mode Select Package Decal OK Changed Decal New Part Nc fo Part OK pc New Part CRT Bad Missing B Unassigned 0 or Structured BOM cesses Errors detected while a job is ON THE MACHINE are very expensive BOM Builder re duces the number of such errors Sorting of components into Line Items is a funda mental requirement for both manufacturing and pur chasing functions The number of line items in a project directly af fects assembly machine setup as each component type requires a separate machine feeding location Purchasing departments also require a list of re quired components in line item format The number of BOM line items directly effects the effort re quired to purchase material and the effort of kitting components for the assembly process Setup costs dominate low volume assembly costs and line item counts are the key contributor Good engineering practices will always attempt to reduce the Line Item counts The concept of X Y Rotation and Side data being used for assembly is easily visualized The need for Stuffed Machine and Hand assembly data is not as obvious until the entire assembly process is consid ered A kit of components must be sorted such that the various types of components arrive at the prope
23. 02 9 2 OrCAD Layout The Component Insertion Report from OrCAD layout drives both IPL and XYRS input functions This 1s a standard report A Sample 1s shown below XAXXEKERAKKX XA A k KO Ok EXA ok kckck ok KC Ck ok kk ok KKK KKK KR KR KR ok kK KEKE INSERIION LIST REPORT 5 E NORCADNDESIGNSNmyboard MAX Wed Jum 22 13 02 02 20095 ACkKCKCKCKCk Ko KCkCk KK CK CK KK CK KK CK CK KK CK KK CK CK KK KU KU KK KU KU KK KU KK KO KO KK KK KK X X X REF DES VALUE EOOTPRINT XCOORD YCOORD ROTATION BOARDSIDE CS 0 lur SM C 0805 1800 00 m ooo 00m ZU BOTTOM C9 220 oM C 1206 865 00 m 2400 00 m 0 TOR C12 0 4 lE SM C 0805 1950 00 m 169 D0 M 210 BOTTOM C13 InF oM C 0805 1510 30 m 600 30 mM LLO TOP C15 Leoni SM C 0805 909 0690 m s4 L09 70 m U TOP C16 4 7nF SM C 1206 1364 03 m 1894 03 m 22 TOP Cli Oe SM C 0805 SUL M 1960 00 m O BOTTOM CAS 22nF SM C 1206 600 00 m 1959400 m JU TOP Co 10nF SM C 1206 215 00 m 2620 00 m O TOP Page 41 Chapter 9 CAD File Formats BOM Builder User Manual Index Design 9 3 PADs XY Location Report A Pads XY Location report can be generated from within PADS using a supplied Basic script name XY Locations Click on Tools Basic Scripting Basic Scripts and you will see a list of scripts If the XY Locations script 1s not seen click the Load File button and load from directory c padspwr ole unsupported user samples XY Positions bas Running this script generates a Positions
24. 8 50 240 This device has has 8 pins 50 mil Pitch and is 24 inches from lead tip to lead tip The description for this part 1s Gull Wing 8 Pin 05 inch Pitch 24 Wide SMT QFP packages use an aaaaXbbbb notation to indi cate the X Size aaaa and Y Size bbbb For exam ple a 144 pin QFP with 5mm pin pitch is named QFP 144 5 22 0X22 0 and the describtion is QFP 144 Pin 5mm Pitch 22mm x 22mm SMT 10 5 Industry Standard Styles Deciding on which package names are Industry Standard is very difficult as no two people in the industry seem to have the same standards Still there are a few standard names Style names like SOT BGA SOJ are quite common though additional pa rameters are required Diodes names like SMA SMB and SMC are probably the most well defined names while names like SOIC and TTSOP could mean lots of different packages Another set of Industry Standard names are the numeric chip type components Examples are 0603 0805 and 1206 The descriptions for these contain both the inch and metric names Several of these have 3 or 4 leads their names include a 3L or 4L at the end 10 6 BGA Connector SOJ and PLCC In general these are straight forward in naming All parts start with the style pin count pitch then size SOJ are like Gull Wings in that they have leads on 2 sides except they bend in and under the part PLCC are like QFP parts in that they have leads on 4 sides PLCC parts are like SOJ in that lea
25. AP CER DUF CAPA DPA Cap Cesme DUTTur SR 2US ZU Ceramic Orel THT A EAP CER 1UF 50V CAPA CAP 200 Cap Desc ud Aia Lead SO Wok CAP CER 2 2UF 5UV CAPA CAPO Cap Ca 2AL SUV 2s THT LAP LEFI ZZPF 4M CAPA DARPA Gap Desa pl GOV 10 MPO Desin Disk THT LAP LER ATQUE AN CAPS CAF aN Cap Cepas 470004 SA 0 Lead Space A EAP ELEC 1000LI F5 W CAPADOR Cargon Cap Electralgsc 10004 63 Redal ESA 0 Dro Mem Dia 12 5mm Length 5 CAFELE C TOLIF ATION CAFADOR LAPAUDORI Cap Flaci Did 400 Aaka TOi Ove zem LAP ELEL THXLIF E 3 CAP UODER LAPSEH Lp Ud E Ebene Hack 12 Smee ha 15m Long mm L5 ESA BT A LAP ELEC 1T5OU 35 CAPR LAPEZXH Lan TSM 39 Electrode Radial Smm Dis 11 5mm Long 35mm L5 ESA TAE A LAP ELE C TOOUS 75 LAPADOR LAFPADOR Lap Electrolyc 1 Duf JE Rada ESA 09 ben Tren D a 12 Sr Length 5m A LAP ELE C TEOLES 40V CAFSODF CAPS DA Cap Tcal 63 Electo Real 12 Seen Dia Lorem Long mms ESA Th A LAP ELEC ZANE 35 AFHIR LAPAUCH Cap Electra Zau JOY Aata ESA 09 UO hen T Deme Desa 12 enm Length ben A EAP ELF C 22008 EA CAPSDOR Carnon Cap 220u CN Flectolotic Medial 12 50m Dia Amm Long Sm LS ESA 005 J CAP ELEC 271UF 304 LAPZUQR CAP AOA Cap ELlectrolyte Iul EV Fund Lewd Sram D a Ver High aren LS LAF ELE C 39 oy CAFE CAPSODA Cap 35 Electo Radial 12 Seem Dua 1mm Long mm LS FSR 065 i el je a Force Doa Reve Reta hom FR J Backup MAP Dinta i Here Post Human Hira Pachage hes PCH Decal New Dirige hdd Hews
26. Click on the red Res R line which will drop open and then click on the red 2 100 line which will also open As BOM Line Items in the tree are selected detail about these parts is shown in various fields located in the Line Item Editor section towards the screen bottom This bottom area is where a user edits BOM line items and where the Update BOM button can be clicked which will update the BOM database with Line Item Editor data zt BOM Builder Main Screen C XBOM Bldr BOMs Sample SAMPLE NET File Edit Board Report Packages About B BoM Data Cap iC Bl Other e BD Plug iP Res iR EE B 1E UNASSIGNED Bes 1E UNASSIGNED Bes 100 Ml Re 100 UNASSIGNED Bes 100 e 100 UNASSIGNED Res 100 Transistor iQ Read of SAMPLE NET When schematic data 1s read the Reference Desig nator and Value are used to provide the initial data concerning a circuit assembly The key items are reference designators and component values for electrical parts The resulting Parts List is the starting point for BOM generation Many companies generate extensive CAD libraries which include additional data attributes about these parts for use in secondary processes Exam ples of these attributes include Company Part Num ber PCB Decal Vendor Numbers and assembly information BOM Builder eliminates the need for these libraries 2 6 Part Selection With SAMPLE NET read in all parts are sh
27. D ALL OTHERS of the same type if GRP MOVE is checked CTRL LEFT CLICK will pick up a parts and attached it to the mouse cursor CTRL RIGHT CLICK will rotate the attached part A LEFT CLICK will drop the cur sor component at the current location If GRP Move is checked all other components of the same PCB Decal and Package will be relocated by he same amount Page 18 Index Designs BOM Builder User Manual Chapter 4 XYRS amp Placement Data Keyboard arrow keys can also be used to move components Zoom in and LEFT CLICK on Q1 in formation about Q1 is shown in the upper right Press and hold the ALT key While the ALT 1s down the arrow keys will move Q1 in 1mil incre ments If the ALT and SHIFT keys are held down each arrow key press will move the component by 5 mils Do not press and hold the arrow keys down the au tomatic key rate might be faster than the board is re drawn 4 4 Adjusting Component Reference Points As previous mentioned the Component 0 0 Refer ence Point is very important The ability to automat ically adjust component positions using Group Move and AOT logic depends on BOM Builder knowing the reference point for component values read from CAD tools data While any Good PCB design will have this point clearly marked some PCB Designers forget to in clude this datum In these cases where it 1s not pos sible to set the reference point using something in a Gerber file it is possible to set
28. E ERE Rea Nae S RP RE SERE ERE RSS 18 Adjusting Component Reference Points oaoa aa a len 19 Board Ounce oo eo eee ay aw ek ee a AA OS NOR we ee ee a 19 Manual Placement ue woe xo 23 5 x3 5m 8 9 9 nom AAA 20 Merrans Placemenis x ss enredos eto et 3 9 99 45 eee 929 234 9 9 ww oU s e 20 AIRS SUY 0x 4m E PORE COR UE mOWUR E Som S 0325 NOS C A ON BO SOR X E WUOROA UR EO 3 20 5 Package elect amp Bator amp amp ue oue oo Rob momo UR RR RO o X9 B om XL 3 AAA 23 Pick A Package Screen 2 m moe mh Re amasar XR UA TRO a 3 23 Pagel Contents BOM Builder User Manual Index Designs POOKOISSBHIIOE x 9993 3 X4m 45449299354999 AA T xs 23 Packase labo a3 eee eeee eee eee rece ass 23 Jn Wo oe bee ee eae Chae Ree RSS ss 25 OA PETERET EUES SURE EN tees CGR eee eee we AAA 25 PCD Pads Taba oe v4 eae ee EIER Gate kek EE Sh RE RUNE hs oes 23 Paste lay as 24 9 93x 39 9 3 4 A05 Fox WO CROM een Pha eee MEC WO ake wea bee C SB 26 Color Control Check BOXES u ue ds Bosw p X4 sa cbe aru RUE do IS 26 DESCrIptOn PISO oo narrar ada 4259924995499 eee 59 26 FOCJPOSIHOHS x x x3 99 379 9 eed beeen GRO ROS E Pete NOE UE eee bee eee 26 PINES vse ea emanan tarso ae eee ee ee ee Be 20 Epot GS KODOMS ss 4 us am ee s mox cw AA shee AAA we 29 OrCAD Update BXDOITS se s verso xoxo Rom Eom ox cw Em 08 ee UC ee X Ec ed 29 Excel 53 BXDODD 20 ew ee eee ee ee eee te ee eee eae ew ee eee ee 29 Parise Vendors EXDOM lt a ross osos
29. Hand Description No Sturt Cap Ceramic Chip 1uf 50v 80 20 YSV 060 L Prey O Next gt 1 7 BOM Builder Does Not BOM Builder does not replace the need for an ex ternal component database system BOM Builder simply organizes external data into a format that al lows a rapid association between BOM line items and external data BOM Builder maintains these links in a local database and can exchange these data structures using simple text files This process eliminates the need for extensive attributes within CAD tool libraries BOM builder is a Steal the Data as Required environment that keeps a record of what was Stolen and allows sharing of the Stolen but organized data BOM Builder will operate in a stand alone manner without a component database Index Designs pro vides a limited database of standard parts for com panies without internal systems 1 8 Installing Installing is very simple simply download and run the distribution from www aapcb com If BOM Builder is already installed it MUST be removed first Use the Remove Programs function in Co Control Panel If you have made any changes to the c BOM Bldr Data BOM Bldr ini file backup this file first Also if custom PACKAGES have been created backup the Package Data PACKAGES BACKUP PACKAGES then save the c BOM_Bldr Data BOM_Bldr ini file Page 5 Index Designs BOM Builder User Manual Chapter 2 Input Parts Lists 2 Inp
30. Index Design BOM Builder User Manual Contents Contents Jntodaction sss sears Raw been we Deke behe wba Ass ee eee a l OVEIMIGW 2 36 Sui poa dao Ree das ee Aa ee bee ee Fe 1 loput Da OVVIE We a wu x Equevex4 aaa 2 Output Data Overview ERR ee ee awe eee Ee 99 59 94 EK 55JG43 3855 3 Using Donne LES 69 2 5934 5509 pee A 3 Man SePOCH arcoiris z Assembly VIEW eio woe 4246445528 Gom OA d RR ww op m oam Wo EERE EEE Po EES 4 BOM Builder DOCS DIOE S 2 22444 CE X OE EO eR sao 9 EE S S ES 5 rl ecos carnes 5 2 dap Paris tists geese eee te ee Re ER eRe AAA 2 PADS ASC Format ie fen ee be eee eee eee Eee e eee Ru 84x mimm 5 ms 7 Schematic INOW sp ess xou Ru Re a oo Ra ee et eee ee RRs AA 7 PADS NEUIS 1 9 93 9 494 35m 9 94 r 25 ee 8 IPT oO ROUES ss ek te ee ee ew eR 9 34 299544 93279539353 8 Import Example s se sss oe ies roo eee ee E NES RSS See ow eae ewe 8 Pan ee O cacaos raras seas aaa esmas ss 9 New Part Creation usce 4 trad non 10 Part List Summaty dea dem posce mo Rox o or erase s 11 3 Reading Gerber Dages co parres 13 Selecting Layers Read o uou dee x EUR MUR PURUS Ce BOR Bub ee we a oe SS 13 Alton Gerber Layers s rgo 84648 orando arrasadas 13 Read Gerber Example s osorno ouo 3o x4 9 RR OX eee EEER SR OX AAA 14 4 ARS Placement Dad orar assess 17 MYO IL ROUUNCS sr soon Rew eee eee hee ee eee eee ee 29x93 35 17 Read XS Examples 2 Saas yee ae 39k dE M Oe Rew ees 4 os eee F5 18 AOLISS AdS Gea wea E aX Ree ee E
31. Options before using these routines to read XYRS data Proper application of this data requires the Sense of rotation input At the screen top are Read and Edit buttons The Edit button will invoke the appropriate editor for the selected file type The Read button will read the input file and regenerate the results fields If the Field Column number in the screen center are changed the Read button must be clicked to regen erate the results columns Finally when the result data Looks Good the Done button will return the result array to BOM Builder Page 35 Index Designs BOM Builder User Manual Chapter 8 Misc Function 8 Misc Function This chapter describes a number of remaining BOM Builder functions These functions provide control for Schematic Back Annotation Gerber Options Part and Gerber Deletion Package and AOT Data Control Board Information These subjects and others are covered in the follow ing sections 8 1 System Options The System Options Screen shown below contains a number of fields and check boxes that control var ious BOM Builder features BOM Builder System Options PART NUMBER Attribute PART NUMBER VALUE Attribute VALUE DESCRIPTION Attribute VALUE DESCRIPTION VOLTAGE RATING TOLERANCE R5 274 D Format SFSLAX3SY 35 MOIN Location and Name of P4 Database C NPV 4Nindexd mdb Browse Ref Des to Type List oo 9 259 vmgr t rp
32. PI and all data is saved in vector format Even at significant zoom factors the PCB image is quite accurate yet the file size 1s reasonably small 6 12 Set Default Printer The REPORT SET DEFAULT PRINTER function allows a user to set a default printer for various re ports When a printer is selected the name of this printer is saved to the INI file When BOM Builder is started it uses the printer name from the INI file to select a printer Assembly BOM Production BOM and Printing La bel reports check if a default printer has been speci fied If no printer has been specified or if the printer name found in the INI file is not found these reports will prompt the user to select a printer Page 32 Index Designs BOM Builder User Manual Chapter 7 Import Function Import Function The usefulness of BOM Builder depends on its abil ity to import and arrange data from various sources By reading data from MRP systems PCB CAD tools and its own Package Editor custom CAD li braries can be eliminated and up to date informa tion is always available to design engineers All data can be transferred as simple text files since BOM Builder contains all the required Data Server logic and all required data tables are stored within simple file structures Several of these import functions are based on dy namically loaded DLL files which are easily con structed for various data sources Each DLL is only 50 or 100
33. Part Parts amp Vendors Import Screen Page 33 Chapter 7 Import Function BOM Builder User Manual Index Designs A grid showing all the existing MRP components is displayed along with their Package and PCB Decal assignments In the screen lower right corner is a Rebuild from P amp V button Clicking this button will delete the existing MRP database and will start a rebuild from the Parts amp Vendors database through an ODBC connection Do not click the re build button since chances are you have neither the P amp V database or the proper ODBC connection If you click Rebuild without the proper setup so all you will get is an empty database Once P amp V is setup and its first user field Userl contains PCB decal and package data then pushing the Rebuild Button will extract data from the P amp V database This extracted data 1s written to in ternal tables external file MRPData txt and 1s used to synchronize the Index Designs search engine Be sure to verify the path for the P amp V database file MDB file which is shown in the System Options screen Data is extracted from the P amp V Title and Detail fields to form a description The Userl field 1s used to provide a PCB Decal and Package name The format of data in the P amp V Userl field is quite simple It is a text string which includes two names separated by one or more spaces The first name in the string is the PCB Decal associated with the cur
34. YS XS 5SGR Xs Gs 29 User PES curras ideas Hee eee ee a ee oe ee oe 29 Fxport Netlist to PCB rosso rra eee eh eee eee eee 913 959 30 Decal Map Table a uo ee ee Rae eee eee ee eee ew ee eee ee eee ee TS 30 Purchasing BOM Report 30 Assembly BOM oe eee epee do Oe ow ERE dh SEDER A P Gom x E eos d 31 Kattine Lae a e en annee eera AAA 31 Poad ao o 3 95 9 9594524559529 494 58XW9 22 44u 5 935 31 oae D e aeree eee OA ewe ROW e NOR r eee a 32 Solt Delault Primier oc pros ddr Pe ee hea a 91553 9 9 a5 E 32 7 dJmpot Function ee sas xc rodri orinar ep na a eke ROS Se 33 MRP alas m eee SETS eee PIS ee ee HM eee ee ee SU EN EINEN S ES E s 33 Parts amp Vendors Import eros roer aaa aras 33 DOMPCOMpPAte s s en wh ga OX eee e eom 39 09 A ee hee E AW EE e 34 Excel CSV and TXT Import s ces moss bee Ss pedas k 3u3 9 295294 35 Mise Dunctiofke as pus ata aena 9 Ecw UP ARA 37 System ODIOBS a x 899 E E EE E E E EE eae EEE EE ee 37 Delete FUNCHONS gt s ssns S24 aos SS 38 Cuni cas area a AA 38 Package Utiles sico oo ee awe bee eee eee ee a EGE v4 38 POE RWS 4 remar cade Be eee REE ee ee ee Bae bee oe Be ee es a 39 noun 65 oe ds eed eee ee ROE eee ae eee ee we 39 Page Il Index Design BOM Builder User Manual Contents BDONOPUOOS lt lt so rostros rasa ss 40 D OAD Tie POIs 9 3 3 9 Ec S E Feo tee ee EE SONO EL e ee eee wee d 4 Pagle posaron aaa eee ee hese ese BIS S 4 OICAD Layout ccoo xe o X x 4 o
35. a large number of Protel products and each seems to have differences The two common formats seem to be the XYRS format and the Netlist format XYRS Format sample Protel XYRS Report Page 42 Index Design BOM Builder User Manual Chapter 9 CAD File Formats Designator Pattern Mid X Mid Y Ref X Ref Y Pad X Pad Y TB Rotation U5 SM SOT 23A 4766mil 1959mil 4808mil 1922mil 4808mil 1922mil T 0 000 R12 1206 3418mil 1799mil 3418m11 1744mil 3418mil 1744mil T 0 000 RA 1206 6310mil 2462mil 6310mil 2518mil 6310mil 2518mil T 0 000 R3 1206 6490mil 2046mil 6546mil 2046mil 6546mil 2046mil T 0 000 EZ 1206 6151mi1 2748mil 6096mil 2748mil 6096mil 2748mil T 0 000 C4 CASE F JT92mil 2590mil 7662muil 25920mil 7662mril 2590muil T 0 009 sample Protel Netlist Format for Input Parts List Cl PCB Decal Value 9 6 PCAD P CAD Format They seem to have the same data in two formats The second is a CSV format Report Origin 0 0 0 0 Units used mil RefDes Layer LocationX LocationY Rotation Fixed C1 Bottom 5497 0 5473 0 180 0 No Cz Bottom eo eo 5194 5 0 0 No Ga Top 5934 0 4595 0 180 0 No C4 Top 5934 0 4938 0 180 0 No Co Bottom 6934 0 4821 0 270 0 No Co Bottom ALO D 4726 0 90 0 No eT Bottom DOTT DDO 1 wd 0 0 No The second format is shown below The VALUE field has been generated such that it will contain the schematic VALUE attribute or Part Number Many designers will use the VALUE attribute for passives and the Part Num
36. aga LUNES Gull Wiss 1 Pin 05 inch Pitch 24 Vida FUT Aperture Sie Aperture chape mA Gael Sue 2 6s Ar Pin mosse cud qudd cse Isa nde eornm Mrana Sie Bo AREE AESA TEI EAS RER NASA asia RR NE o C Feuanguu _ side Sr teu ated ap V S NR D a RA XT N e itd d Mir Space C Home Plae ro C Hune LL _ sep BRCRCECICUEEENCRCRCRCNCHCRCNCNCNCNCKCKCKIRMCEC ETA wur gm mn 17 amp a V 6 2 1 554 44 kii amp 41i amp 5 amp k441 amp uaa45l selesMce weet ee eee ee ee eee he O JURE RH 4 1 amp OC O d d amp k amp O ON amp du siea omn nomo mom or mono orn mom non ee ee ee rrer vne P P fnm FD P ii F Pon remando Home Base aperture shapes are often used to reduce solder ball formation on small chip components Pick and Place forces tend to squeeze paste out from under small chip components with the result being the formation of solder balls during reflow The Home Base design reduces squeeze out and reduces the chance of solder ball formation 5 8 Color Control Check Boxes Several check boxes are used to control the genera tion of graphic images Pin numbers can be selected using the Pin Number check box The remaining check boxes result in their associated items as being drawn as either solids shapes or as outlines Copeeighi c 20004 by Robert Londres 5 9 Description Field The description field is VERY important The Index Designs search engine uses this description for stor age and lookup The user should
37. and 127 and 005 all re fer to 5 1000 of an inch Entering 2 5mil or 5mm overrides the decimal point rule A simple expression very simple can also be en tered A length parameter can be followed by a Or operator sign to indicate multiplication divi sion addition or subtraction For example 200 2 is decodes as 100 mils The units for the length are de fined by the characters BEFORE the operator sign For example 10 1 5 is decoded as 11 5 mils while 10 1 5 1s decoded as 11 5mm 9 3 Package Tab General package shapes are controlled using the top set of radio buttons BGA Gull Wing includes Page 23 Chapter 5 Package Select amp Editor BOM Builder User Manual Index Designs SOIC TSOP SOT and others and Quad packages are the basic styles while a drop down list is used to select external Pin Wizards DelmA Leads mat FEES wee enc nc voce nete viram oe Lead Type i SHT 6C Thu C Rnd E Fed S Sim fuic Y Sie Hes E E M Tos Pomona Auto C Tob C Domm 7 Hone et O Raji nm ma a Rene Pn lat BS OS PAR Bob BOR bod b ho amp d b EER bo b d B P amp b amp b d ij d Pet Pin Lacks 5 5d Mi Msc an 3 i AA __ WWM Del Copright fic 2004 by Flabert Londres m Pi PrHumbe Des E Package Editor A Pin Wizard is an external program which is exe cuted whenever it s name is selected from the drop down list box This list box is populat
38. are the most common as they are the pins used to pass electrical signals Mounting and Shield pins were defined to support higher level functions associate with drill size selection and net list error checking Side is typically used for card edge connectors where copper shapes need to be de fined on specific sides Pin locks are flags are used to identify that a user has modified specific pin parameters and the auto matic generation of pin data or positions must be al tered for that pin When a pin lock is set the color of that pin changes which indicates that pin locks are active for that pin A Reset Pin Locks button is provided to unlock all pins Clicking this button will reset pin loca tions shapes outlines decal shapes and solder paste shapes Pin Positions can be altered by clicking on a pin while the Package Tab is selected Pins can be dragged by their top bottom left right or center The drag mode can be selected using a Right Mouse Click in the graphic area or by using Modeless Commands DT DB DL DR and DC for Drag Top Drag Bottom Drag Left Drag Right and Drag Cen ter Modeless commands are commands typed on the keyboard After pressing the ESC key to remove focus from an other control press the D key A modeless command window will appear which shows various commands which start with D The Modeless P command can also be used to select a pin for moving To use the P command first make sure no field is bein
39. bare PCB is fabricated The final result of this process is a set of production documents with all the data required to drive the manufacturing process Data can be viewed and checked before bare PCBs are fabricated or pur chased 1 2 Input Data Overview BOM Builder automatically sorts components into Line Items and displays the result in a multi level tree structure Software logic identifies line items by analyzing the Reference Designators Compo nent Values and if they are provided Part Num bers As Line Items are formed from the input Parts List it is very common that errors are de tected Many BOMs are constructed by hand using Excel or other spread sheet programs Such BOMs are often filled with errors and data inconsistencies BOM Builder includes logic that detects input er rors provides a list and allows an operator to quickly identify and correct the errors If two or more parts have the same Part Number but they have different Values or Descriptions then Line Item Errors are reported If Part Numbers are not provided BOM Builder will sort by Value and PCB Decal Errors will also be generated if differences in Descriptions is detected Accurate formation of Line Items is crucial for automated assembly pro 4 BOM Builder Main Screen C BOM_Bldr BOMs Sample SAMPLE NET File Edit Board Report Packages About S Bb Bom Data B cap c Eb other JP E Plug iP E L1 Bes BR M rz 1
40. bels BOM builder contain a Kitting Labels report which will generate a set of packing labels to be used when materials are collected prior to assembly As with other reports the Board Information Screen is opened and the user should set the Number of Board to Build as required The quantities for each line item will be multiplied by this number as the la bels are generated Kitting labels are generated 10 per page using a standard 4 x 2 inch format Either adhesive labels can be printed or standard 8 5 x 11 letter paper can be printed Cutting the printed pages with scissors or a paper cutter produces a single label for each re quired line item Description part numbers and ref erence designators are included on each label which simplifies component identification A standard bar code is also printed on each label in a 2 of 5 for mat 6 10 Board Image A complete image of the PCB can be printed using the REPORT BOARD IMAGE menu sequence Gerber files will be printed first followed by Pack age graphics How the image is scaled depends on whether or not a board outline has been defined If the board outline is defined then the board image will be scaled such that the board outline is fitted onto the printed page Landscape vs Portrait print ing will be automatically adjusted to fill the printed page If the board outline is not defined then the board will be sized to include the entire Gerber file image along w
41. ber attribute for Page 43 Chapter 9 CAD File Formats BOM Builder User Manual Index Design IC type devices IC type devices often have blanks VALUE attributes A script that substitutes the Part number if the VALUE is blank helps to provide BOM Builder with consistent data about parts Report Origin 0 0 0 0 Units used mil RefDes PatternName Type Value Layer LocationX LocationY Ro tation CITUVURCUDDOU UCAPUGUOT 0 39Uubp Top 5500 0 1 105545 0 90 0 EZ VCAPPANTCT CAPPAWTCU T TIS UE 1LO0V Top 19460 34245 0 27050 ES RBOUOSDUST CAPOGOUS U O LGR Pop 5450 0 3900 0 130 0 Ca MRCUGUS CABUGUI UL LOUET Top Moo O y 739090 12 T0 QT Boy BCOUGUS p CAPUGU gt S y 0 1 UE y TOP y SU pp 2073000 Wa URIUJRCUSUOT RESUOGUST DNI Top 349s 0T 154205 Qt POLLO URZU URBCUSDUO URESDGUODT T 50 Op y o Uas 0 725590 0 LSO Q EIOS RCO GOST REDO OUSO r opu TIN y ola Tode uo y Oe ULIM TPNPOZOU TOS TO Re SIPS T6735 Top 9243 0 469 0 T1890 pM WZ 2 SODZ29 9 U BHREGL SG U UREGIUSGAe9 Poo S36000 UD M3297 9 10 MZ S SOL2zo gt y BESILUSG EEGLUSEAeSU POS o2 VU oU LOU D o quo CER p ARO LS y eae UR OD A inc deg 9 7 Ultiboard Ultiboard Information Export File Design Name gt LEDModule LEDModule Parts Centrolds Report Date 12 September 2005 Report Time 10 40 REFDES VALUE SHAPE X CENTRE nm
42. brary of electronic component Packages There are two major purposes for these packages Present the user with a graphic image of how the packages will fit on the final PCB Setup programming data for Index Designs pick and place equipment When constructing a new a BOM previously used parts can be assigned a Package Name automati cally while new parts must be assigned a Package Name manually In order to locate and select the proper Package Name for a new part a description has been assigned to each package as a search aid In addition to the description the Package Name is formed in a manner which helps to identify package style and key dimensions A search engine is provided to assist with locating packages Package descriptions include information about overall shape important dimensions and appropriate functional information The search en gine takes user inputs and finds packages with matching descriptions Before creating new packages carefully study exist ing packages Observe how packages are named and study their descriptions Careful checking might identify an existing package that matches a new part or a similar package can be used as a starting point 10 1 Package Descriptions Every Package in the Index Designs library includes a description These descriptions feed the Search Indexer which allows these packages to be Found as users search using known package pa rameters A key point to remember is
43. cials When a check box is checked and the Ex ecute button is clicked the selected X Y values will be used for the corresponding fiducial X Y location Fiducial 1 will be drawn as a small circle with a sign fiducial 2 will be draw using a small circle Both makers are drawn in red Automatic placement equipment requires a location where the board height can be safely sensed This test position must be clear of components and large holes The Board Test Position sets this location and it is marked with a small circle and X At the bottom of the X Y Assignment window is a flag and X Y field for both the Top and Bottom sides As the Component Reference point is set for each side the associated check box will be set The X Y location from the Gerber object will be placed in the X and Y fields The 0 0 of a Gerber 1s related to the Component Reference Point through these X Y locations The display of these locations can help when unknown Gerber files and XYRS files must be debugged 3 3 Read Gerber Example The CABOM BIdr SAMPLE directory contains a set of Gerber files generated from PowerPCB Also included is a file containing all the component XYRS data ARTOI PHO Top Side Copper e SSTOI26 PHO Top Side Silkscreen SMD0123 PHO Top Side Solder Paste By reading these gerbers and position text into BOM Builder an image of the PCB can be gener ated The following steps will read these Gerber files and construct a board
44. color control for the As sembly View screen This outline can be defined in one of two manners Using the BOARD DEFINE OUTLINE Main Menu function Using the B function in Assembly View With the SAMPLE3 file loaded use the BOARD DEFINE OUTLINE sequence to open the Define Outline screen The top portion of the screen is a short cut for generating outlines for rectangular and square boards The bottom section is a sequence of X Y values that make up the points of the board outline iol x afi Define Outline Define Board Outline Rectangular Board A Lower Left Y Lower Left lo lo Board Size Y Board Size 2000 2000 Create Y Coordinates Y Coordinate 2 Coordinate Outline Dimensions for SAMPLE Board When the Create Coordinates button in the top section is clicked the bottom section will be popu lated with a set of X Y values The Create Board Outline button at the screen bottom will actually Page 19 Chapter 4 XYRS amp Placement Data BOM Builder User Manual Index Designs generate the outline from the sequence of X Y loca tions The SAMPLE board is 2 0 inch x 2 0 inch in size and the numbers can be entered in mils or mm Any number with a decimal point is consider mm Any number without a decimal point 1s considered mils All X Y values are referenced to the Component Reference Point The user must know the lower left location and the board size If the Component R
45. correctly set an AOT file adjusts the component placements to where they become synchronized with Index Designs libraries AOT files are automatically generated as a user corrects part placements when GROUP MOVE is enabled See the XYRS chapter As gerbers are read and aligned the last set of align ment coordinates are retained in the Gerber Offsets box These offsets are used during subsequent gerber reads which simplifies gerber alignment A check box is provided to disable the automatic use of these offsets This 1s required when gerbers are Centered or otherwise ill prepared A set of check boxes are provided to change the Spin Direction used in BOM Builder These allow BOM Builder to operate properly with CAD tools which rotate in a CW direction Individual controls are provided for both top and bottom sides Page 40 Index Design BOM Builder User Manual Chapter 9 CAD File Formats 9 CAD File Formats BOM Builder supports several different CAD Tools 9 1 Eagle Index Designs provides a script that prepares a single file used for both IPL and XYRS input See file c BOM_ Bldr IntfTools Eagle XYRS IPL Script ulp A Sample output of this script is shown below Layer Top Report Origin 0 0 0 0 Units used mil RefDes LocationX LocationY Rotation Value Package Ol 20 92 13459 Oy O 9prt C0402 CZ ll 0325 12342342 270 IUDE C0402 C3 11 98 9 94 270 10pf C0402 C4 2070y ed 210 UsOLuUE C04
46. d Report Padages bou B pon Data Cap B c B one 5 Bra P a Das P Cu 100 SHR 120 100 Pas 100 Oha 1 04 5 1206 ja 28 5 1 1206 100 Res 100 Otm 1 80 1106 E TND 1 1706 100 Res 100 Oh 1 88 120 B im IMASSTGUED Bes 1X a Tras t Line hem E tor Ret Dietas Vale Pan Nunia W 1n60M R2AJ 100 SMA 5 1206100 7 InPCB Descritor PCD Deca l Sutted Re 100 Ob 1 4 5 12065 11205 Lee wm Derign Mode Pack age ai UMS j TELS rO Ree Relimi r Tine 2 Placement Iys Mach Hand Decal OK Changed Decal New Pat Not Sadis Pat Type o ME pe mamii MM uses cr tan sied SMT C THT White Coding of R2 and R3 Annotation of component using this technique is a very powerful and unique function of BOM Builder Just as different schematics and PCB tools are interfaced to BOM Builder through the use of dll routines the data which drive the search engine can be read from a user databases through dll rou tines With this ability to rapidly associate data between line items and a company database the need to place attributes in schematic libraries is eliminated Page 9 Chapter 2 Input Parts Lists BOM Builder User Manual Index Designs BOM Builder eliminates the need for these attrib utes by allowing an engineer to Steal data from external data sources AFTER the schematic 1s com plete Schematic generation is much faster and data more accurate since part as
47. d inspec tion of part placements When Z is pressed Auto Zoom will toggle ON and Off When it toggles ON a Beep is generated as confirmation When the As sembly View is displayed Auto Zoom will force the Assembly View to the proper Zoom and Center as to display the details of part placement As subse quent parts are selected in the Main Tree the Zoom and Center will be automatically adjusted to show these parts Auto Zoom is automatically disabled if the user does a manual zoom Page Up or Page Down in the Assembly View window Another Z will turn Auto Zoom back ON Pressing Ctrl E will launch Windows Explorer The directory opened will either be the default BOM di rectory or if a BMB file is loaded the directory where that BMB file 1s located 11 2 Read Gerbers Screen Several key are used to modify the gerber image view and data Page Up Zoom In Page Down Zoom out Home Zoom to show all data e Insert Center to current Mouse Position The Delete key will delete the currently selected gerber shape Shapes are selected using mouse clicks and they are highlighted when selected The remaining keys allow the user to zoom and pan in the graphic display 11 3 Pick A Package Screen Several keys and mouse buttons allow the user to preview how a component will Fit on PCB gerber images before a final package is selected e ALT SHIFT Arrow Up Down Left Right ESC Clear GREEN Preview CTRL Right C
48. ds bend down and under forming a J lead Sockets are connectors A socket for a PLCC type has totally different dimensions than the PLCC component it accepts When placing a socket at a location be sure to select a socket for the device as sockets take more room and this could offer a sur prise during assembly 10 7 LCC LCQ and QFN All these packages are leadless where their leads are flush with the bottom of the package These pack ages they offer a unique set of assembly challenges LCC packages have leads on two sides or have 4 pins where the 4 pins are in the corners LCQ parts have pins on 4 sides QFN packages have leads on 4 sides and they include a thermal tab QFN parts are singled out as they require special assembly pro cessing 10 8 Inductors Inductors come in a wide variety of strange shapes and sizes Inductors use IND as the style followed by pin count if the pin count is greater than 2 Pin Pitch is included if it is obvious and finally the X and Y size 1s included See the current package li brary for examples of inductor names 10 9 Functional Names While the idea of naming packages is to avoid in cluding functionality sometime it is the best solu tion Examples of such names include LED Led packages are all over the spectrum SW for Switch Highly unique Many SW devices an not be machine mounted CAP Some capacitors have unique and industry standard packages RN Chip resisto
49. e Pack age Name GW 14 50 240 and the graphic Grid dots in the graphic display give an indication of the actual size The Show All button provides a listing by Package Name which is sometimes easier for viewing and selecting a package Two buttons Edit and Delete allow the user to Edit or Delete the currently se lected package The Package Editor is a very pow erful tool and is described in the following section 9 2 Package Editor The Package Editor allows users to define body and lead shapes for new electronic components A series of Tab Controls select various fields for package generation while a graphic view is pro vided for data display and graphic editing Tab la bels and their function are Package General shape pin counts and default lead shapes Pins Controls numbering connection offsets and side control PCB Pads Controls generation of PCB Decals Paste Control generation of solder paste apertures Various fields in the Package Editor accept dimen sions for lengths or spacings Units for these fields can be entered in either mil or mm formats The logic is quite simple If the parameter is entered with a decimal point it is considered as mm If there is no decimal point then it is considered as mils The user can force a particular unit by including mm mil or a Entering mil forces the number as mils entering mm forces millimeter and a forces inch units For example 5
50. e disabled the use of a color printer is highly recommended BOM Builder does not render Clear Layers in RS 274 X polygons which can result in some GND Planes hiding tracks and pads Using a cross hatch display for Dark Layer polygons solves this problem The printing of pages for board sides which do not contain parts can be enabled with the third check box To properly adjust component rotations using AOT data BOM Builder needs to know the rotation sense of the PCB Design tool used to generate the gerbers This would be the same program that generates the XYRS information and BOM Builder must rotate parts in the correct direction It is very possible that a user might deal with multi ple CAD systems each with different spin direction While there are direction controls in the System Op tions Screen there are also a set in the BOM Options Screen When a new BOM is generated the System Option check boxes are copied to the BOM Options check boxes When BOMs are read or written check box status is saved and restored with the BOM Op tion check boxes This allows the spin direction control data to follow the BOM allowing Group Moves to operate correctly at all times The right side of the System Options screen con tains a table used to form associations between Ref erence Designator letters and electrical functions When BOM Builder forms line items the intimal let ters of each component s reference designator are used to ass
51. e ee SEE d won eee ARE x xd xu do X x 4 PADs XY Location Report ea ox xo xU EP ew 306 E A OX mo eR EES Bos 3 42 PADS ASC File Generation x s axi c X RA AAA 9o ov s 42 Pote 2 2 9 9 9 x34 293 995 9 295 9 93 9422555 13 N 42 PCR ee ee ewe 93495444 soe ee BMG Nu REM SIEMENS NS PPS dS 43 UNDO 4 eae hewmen ee eRe eee Bee ee eee EE MERI SS REESE 44 SS hee ee dee ee Hee REESE Reed e Ree ween een OEE eee eee eas 44 I A E EEN EN 45 ly ME 45 I0 Package Names s cos e EU e M oe eee mokGR ROE RUE mom AAA M SEU SIR cR S ROS 47 Packace DescrpuonS soso revestir dra 47 Package Name esa rerrsor ranas AAA 47 Dimension Convention cw dos e a ok Or mom tow e Y e A AR te 47 Gul Wine OB os ass toner rro 47 Industry Standard MES 2 se oros ars arde 48 BGA Connector SOJ and PLCC a 48 LCC LUG and OPNS oras tee aama NS eee her ee hee He a AONO 48 EO ereere eraran aan ee hee AAA 48 Functional Names 9 9 x3 iones rner erann eee eee ee 48 IL Keyboard Sons 4 i9 3393 4x4 x des aa dar Asa 49 Maia Thee CISCO uon woe ei X EG XC PUE RORISOEOUE EE AAA SR RE URAY Eae S 49 Read Gerbers SCrcCH s auos ewe ORO Rum EUR Mos L S S RUE Ue ODE Se LAUR Hee RA 49 Pick A Package Screen os dean ok rra dox E X D x XE som teed teen 5 ow a 49 Packace Editor Scielo ss risas Behe OR QU S MOS PO RE TP SERS ee 3 50 Assembly VIEW pea eee mdp ew REE ERED SE ARK REDE HH REESE HET 50 12 INI Tile Vartables lt q sas eee eo kee ee
52. e the Import Section for information about reading MRP data from Parts amp Vendors and how that data is distributed to multiple designers and how it is synchronized using the Index Designs in dexing software 6 4 User Files BOM Builder allows a user to embed various file types within a BMB file Embedded files can be of any type and used for any purpose Examples of such files include Device Programming Data Test Instructions e Assembly Instructions e Documentation User files are attached using the FILE IMPORT USER FILE and they are extracted using FILE EXPORT USER FILE To remove a copy of the file the file must first be selected in the Main Screen tree structure Using the FILE EXPORT USER FILE will extract the file from the BOM and place a copy in the CABOM Bldr AttachedFiles di rectory If this file type has an associated applica tion then that application will be invoked to open the file To import a file the user 1s presented with an open file dialog The selected file will be read and embedded into the BOM Builder database User files can also be deleted Select the file in the Main Screen tree structure and use the EDIT DE Page 29 Chapter 6 Export amp Reports BOM Builder User Manual Index Designs LETE USER FILE function The file will be re moved from the BOM Builder database 6 5 Export Netlist to PCB BOM Builder exports design data to PCB Design systems through
53. econd method is through a user selected IPLxxxx DLL file There are many different IPL xxx dll files each of which supports the read ing of a specific report from a specific schematic capture program A single dll is selected by using a DOUBLE CLICK on that items field Input List Processor CABOM BldrntT oola PL Layout Insert dll Output Het List Processor C BOM_Bldr lnttT ools ONL_ PADS dll SAS Input Processor CABOM BldrntT oals AS Layout nsert dll BOM Options dll Selection In the above example dll routines for reading OrCAD Layout Component Insertion Reports are selected for both IPL Input Parts List and XYRS X Y Rotation and Side import functions When the user selects the generic Import Parts List the IPL Layout Insert dll will be used When the user selects the generic XYRS Import the XYRS Lay out Insert dll will be used Selecting the Parts List menu item will cause BOM Builder to load the IPLxxx dll and read in a parts list using that dll Selecting the X Y Rot Side button will result in BOM Builder using the XYRS xxxx dll to read in XYRS data i BOM Builder Main Screen C AADabas BOMSSBZ85sSB28 File Edit Board Report Packages About Mew Open BOM Open Other k Save Save As Compare BOM Export d Exit PADs 45C File i Parts List C044Data B0M51820518205 BM8 Y Pook Side MRP Data CH AAData BOMs B282 8282 BME 204 4Data BOMs1B20118281 bmb User File Generic Import Func
54. ed components during assembly or test When re numbering a PCB a WAS IS list is generate which is used to identify old and new reference designa tors BOM Builder will read this list and update all reference designators accordingly A sample of this list would be CL X27 Q7 Ql In the above example C1 is renamed to C7 and Q7 is named to Q1 When reading the WAS IS list ev ery BOM component is checked for receiving a new reference designator Components that do not re ceive new reference designators are checked for de letion If another component has been renamed to the old WAS reference designator value then the component that did not receive a new name is de leted If two or more components are mapped to the same new reference designator then only the first will be renamed In all cases errors are generated Error conditions are checked during the process and if detected an error report is generate The user will be given the count of errors and the errors report will be opened in the default text editor When EDIT RENUMBER is selected using the Main Menu the user will be prompted for the WAS IS text file Any file contents that can not be used to update a BOM component are reported in the error report Extra or missing references are also re ported If errors are encountered the user should re solve the error BEFORE the modified file is saved It is not possible to recover an old version once a re
55. ed with all the file names of all the EXE files found in the cABOM Bldr PinWizards_ directory These pro grams can be DOS or windows programs Each pro gram will typically accept user input and will generate a text file that defines pin placements shapes and types Documentation can be found in the PINWIZARDS directory in file PINDATA Sample txt A sample program can be found in file SampleWizard dpr Once a package shape 1s selected using the Package Style radio buttons the pin counts pin pitch row count and pin pitch fields can be used to further de fine a package If a Pin Wizard was used to generate the package these controls are greyed out and dis abled If a GW DIP SOT package was selected and a pin count of 3 and row count of 2 are entered a classic SOT 23 style package will be displayed The Default Leads group is used to initialize leads as through hole THT surface mount SMT size and shape Toe Position is used by IPC 7351 rule sets when forming PCB decals All leads default to these values when the package data structure is 1n1 tialized Users can edit these on a pin by pin bases by double clicking on a graphic lead when the Pack age Tab is selected While the Package Tab is selected a double click on a graphic pin will allow editing of pin data items Several of these items are found in the default groups but several are new Circuit Type allows pins to be defined as Signal Mounting or Shield pins Signal pins
56. ef erence Point is not correct the outline will not be drawn in in the correct position With the SAMPLE3 file loaded open the Assembly View window and notice the tick marks in each board corner Also notice the 0 0 reference point in the lower left With the Assembly View window se lected press a B to enter Board Outline Mode Using the mouse LEFT CLICK the lower left corner then LEFT CLICK the upper left corner A pink line will be drawn showing the first segment of the new board outline Mouse clicks will pick the nearest point in either of the 3 Gerber layers The closest point is used for the X Y location of a outline point Continue by selecting the upper right then lower right corners Press another B to end the Board Outline Mode and the completed image 1s displayed save the final image to SAMPLE3 BMB 4 6 Manual Placement If a board is relatively small and XYRS data is not available then parts must be hand located The As sembly View contain logic and a Placement Se quence List to assist with this tedious chore The placement list allows a user to zoom in on a section of the board and then enter a list of components that can be viewed at that zoom factor With the Assembly View window selected enter a P CTRL P to open the Placement Sequence window Enter a number of reference designators with a space between each reference designator Press the ENTER key when done This list of refer ence designators will
57. ese controls are grey and disabled If the overall package shape was defined using a radio button on the Package Tab then these controls will be active MEE Card Ce Package Pre Culi PCH Pads Paste Decio Pin Names 5 PnH en Wing 1 Pin 0FS inch Pitch 24 Wide SAT C Alpha Rows C Left ba Fight i Numatic by Col MR LEE Gane kite PIT RSV AGE OT pes Fin Column 0 Lena Lr Te to Enina amp Babam bo Top Pin Corrsection lisele Top ide X Top Eide Y Bottom Side X Bolom Side Y VS memet epe de pu us DU o oo CORN Sin Y Sire rer E M Weds ached Biota Ie e Ms os ED dol p p ro serena 4 Side Asi it Alon Top 7 Al pe Botton dd n Top Odd On Bolton COL Won Top CC T HE on Bottom TO Hd Deals ind Be Fm A E Ps E PmHumbert 6 Decs E Outline S Paus wemvindesresigna com gt Copy ght c 200M by Robert londres Package Editor Pins Tab Most all BGA connector and IC pin number for mats can be defined using both numeric and alpha numeric pin numbers DIN connectors with multiple rows top and bottom mounted connectors and card edge connectors are automatically numbered Pin connection offsets allow the connection points to be modified for parts like card edge connectors Side assignments work with pin numbers which in turn are defined by other buttons The number of combi nations 1s considerable A large center pin can be constructed using two fields in the Large Center Pi
58. etay B pin PLEPn PLE Dana Gorra IC HOSOI Dese Denam IC HDS Adair Geen IC HOED WT ux SHTAHEDAD sge TUL IC Hea rseerbet VSO reac naa cn lr IC PGA Duma Vide US up up MTABLC2M 329 2Th 5 TSOP Micon IC SIDA 166 Faj EET CSV and TXT Import Screen The top portion of the screen contains the input data and the bottom portion the results In the center is a set of Input to Results mapping entries one for each result field These center entries select input fields as data sources for result fields Data from the CSV or TXT file is read and the input data col umns are formed Result fields are then formed from the input columns as determined by the input field number in the center Fields Columns section Any input column may be used any number of time or not at all The number and name of the results fields varies depending of the code in the dll routine Result fields are provided for the required and options IPL or XYRS data field requirements Each Field Column entry defines which input col umns are used as data for the results section The name of the Field Column sections are the same as the results columns The numbers in those center fields select the CSV or TXT input columns by number Several XYRS TXT CVS xxxxx dll files are pro vided These routines process the X and Y values as either Inch mm mils 1 1000 Inch or as microns 10 6 meter Be sure to setup the CW and CCW flages in BOM
59. g EDIT BOM OPTIONS Use a DBL Click on any of the file name fields to open a file selection dialog afi BOM Options i E lalxl BOM Configuration PART NUMBER Attribute Jeb Name PART NUMBER etm VALUE Attribute VALUE Input Netlist DESCRIPTION Attribute None DESCRIPTION See ES RS 274 D Format None s FSLAX35Y35 MOIN Top Copper Gerber C 4Adata BOMs B366_Randy_xyrs FP6 cmp Top Solder Paste Gerber Output Net List Processo C AAdata BOMs B366_Randy_issues Cre Top Silkscreen Gerber C 4Adata BOMs B366_Randy_xyrs FP6 ple Input List Processor XYRS Input Processor C SBOM BldrsIntfToolsXYRS TXT CSV Mils dll Alignment T able Bottom Copper Gerber Randy syrs FPB sol Bottom Solder Paste Gerber on Gerber Offsets Force Cw Spin x 2260 Y 1122 v Enable Top Bottom L Bottom Silkscreen Gerber Clear All BOM Options Screen The top line allows the user to enter a board name that will be included on all reports This name is saved in the BMB file with all other BOM parame ters and 1s restored when a BMB is read Input and output netlist file names are used to sim plify the appending of PCB Decal names to PADs netlists The BOM Builder EXPORT NETLIST to PCB DESIGN function uses these fields as the source and destination file names As the input file is read the input PCB Decal field for each part is re placed with the data from the BOM Builder
60. g edited by hitting the ESC key Enter a P followed by a pin number for example enter Pl to move pin 1 The pin will highlight and the cursor will change shape Arrow keys must be used to move the pin by GRID units as the mouse is locked out Grid units can be changed using the Modeless G command For example G25 sets both X and Y grids to 25 mils Entering G25 100 will set the X grid to 25 mils and the Y grid to 100 mils The origin for grid movement depends on how the pin was selected When a pin is selected using a Left Mouse Click the pin is moved on a grid refer enced to the package origin The package origin 1s shown graphically as a BLUE cross If a pin is se lected using the Modeless P command the move Page 24 Index Designs BOM Builder User Manual Chapter 5 Package Select amp Editor ment is referenced to the starting pin position This allows the user to move a pin by a specific distance using the grid settings even when the starting posi tion of the pin is Off Grid The above editing scheme is similar for both PCB Pads and Paste definitions A click moves the graphic and a double click edits the nature of the graphic If the PCB Pads Tab is selected PCB Pads are edited If the Paste Tab is selected then Paste graphics are edited 9 4 Pins Tab Control for pin number assignments is through but tons and check boxes located on the Pins Tab If a package was defined using an external Pin Wizard then all th
61. g is checked then these X Y offsets will be automatically applied to Gerber files as they are read in Since most Gerber files are constructed us ing identical offsets this automatic usage simplifies the reading of multiple files If Gerber Files have been Centered which is a very bad idea then the user should uncheck the Enable flag and preform alignment manually Once a gerber file has been read and adjusted it must be saved to the currently selected layer by clicking the SAVE button This saved gerber image will be saved with other BOM data and will eventu ally be written into the final BMB file The Component X Y Reference location is very im portant When XYRS information is read from PCB CAD tool files it 1s this point which is used as the graphic 0 0 reference point If this point 1s not set correctly components can not be correctly located on the board image BOM Builder contains Angle Offset and Translation AOT logic that will adjust for XYRS data not being defined for the component centroid In order for this logic to operate correctly the Component Reference Point must be set cor rectly This reference location will be marked with a red sign If the Component Reference Point is not set cor rectly any attempts to use AOT logic or Group Moves will fail The Component 0 0 reference point must be accurately defined Each PCB side with machine mounted parts must include the definition of two board alignment fidu
62. ic part of the numeric pin num bers As the first pin is renumbered the Unlock Names button on the PACKAGES tab will be enabled This button being active indicates that automatic pin numbering is disabled Clicking this button will re enable automatic pin numbering Clicking this button while active will delete any user pin num bers Hit the ESC key when renumbering is finished Page 27 Index Designs BOM Builder User Manual Chapter 6 Export amp Reports 6 Export amp Reports BOM Builder includes a number of export function in the FILE EXPORT main menu These export functions provide data in various forms to external applications Included are outputs for OrCAD Cap ture UPDATE files Excel CSV files PADS ASC files Parts amp Vendors structured parts lists and em bedded user files 6 1 OrCAD Update Export OrCAD schematic capture tools Capture use a simple but powerful file format to Back Annotate just about anything back into a schematic While BOM Builder maintains very detailed structures for part attributes many users still wish to duplicate the Foot Print information by back annotating their Capture schematics BOM Builder will generate a UPD file which Capture requires to back annotate footprint information into the source schematic Power Logic users are just plain out of luck It 1s not possible to back annotate PART TYPE informa tion into a Power Logic schematic 6 2 Excel CSV Exp
63. ith all components The main use of the Board Image is component ver ification Package libraries from Index Designs con tain orientation marks for polarized components Users MUST verify the rotations of these compo nents Thin white body lines and orientation marks must be compared with silkscreen or copper pat terns which indicate orientation If the user failed to include such information in the Gerber data they will probably get it right the next time The Gerber files for the BOM Builder silk screen images can be setup differently than the actual PCB silkscreen image A significant amount of fine Page 31 Chapter 6 Export amp Reports BOM Bulilder User Manual Index Designs dense text that would not print on a real PCB can be included in the BOM builder image Further BOM Builder will show any silkscreen over top of the copper image Unlike a real PCB the silk screen im age 1s not broken by pads or vias 6 11 Smart PDF The REPORT SMART PDF report is similar to the Board Image report except for two major func tions Output is to an Adobe Acrobat pdf file BOM Information is placed into the pdf file The result is a pdf file that can be opened in Acro bat Reader and the Acrobat HAND cursor can be used to inspect component information Moving the HAND cursor over a component will result in a text flag being displayed with Part Number value and Description data The resolution of this file is 1000 D
64. l Wing 16 Pin UL inch Pitch 24 Wide SNT 7351 Leod Type C Max nawro samm z Med Toe Heel Sade Ads er erred o lii 4 pe 1 25102 5 10 Mireur Rowing Orar D 79m 31d Thu Hole Arruda Ring Big Hole Big Hole Ring ao n Medium Hole gt Medium Hole Bing 3 10 ee eee ipa te Copyright c 2004 by Robert Kondner Pine fv Pin Numbers F Decal v Outline Paste vendes des agnis com Package Editor PCB Pads Tab Page 25 Chapter 5 Package Select amp Editor BOM Builder User Manual Index Designs A set of sliders and text boxes allow the user to ad just PCB land pattern size These sliders provide logarithmically adjusted scale factors which are ap plied to the IPC 7351 rule setting Component class rules are selected using the drop down box Class rules are multiplied by the slider scale factor and the results or placed in the text box A user can enter their own required TOE HEEL or SIDE setting by entering values in the text box Each pin includes a WHITE line which indicates the component TOE position Through hole rules are quite simple with values shown in the txt file following the arrangement of fields in the Thru Hole Annular Ring Rules group These 6 parameters force minimal annular rings for large medium and small holes The Round Up field forces computed annular rings to round up to spe cific intervals Annular rings are not computed direc
65. lick Whenever a Package is selected in the Available Packages area and the Assembly View screen is open the currently selected Main Tree item is dis played using the Pick A Package selection This dis play is only a temporary display so it is shown in GREEN to indicate the difference from a normal package display Normal Package Assignments are always shown in Red of Blue and never GREEN This display allows a user to see now alternate packages might fit on the user PCB image ALT Arrow keys can be used to adjust positions Positions are adjusted my 1 mil 25 4 um for each arrow key hit If the SHIFT key is pressed with the ALT key movements are in 5 mil 127 um steps These adjustments are only temporary they are dis carded when the GREEN package is removed A Right Click with the mouse on a Available Pack age will cause the displayed GREEN package to ro tate by 90 Degrees Again this rotation is only temporary Final rotations require XYRS data and or adjustments in the Assembly View screen Page 49 Chapter 11 Keyboard Shortcuts BOM Builder User Manual Index Designs 11 4 Package Editor Screen Several keys are used to control the generation of new packages Page Up Zoom In Page Down Zoom Out Home Zoom to show all data e Insert Pan and Insert Pin Control Insert will center the graphic screen at the current mouse pointer unless the user 1s adding a pin When Insert Pin mode has been selected the I
66. lines of code and the DLL used for a spe cific function is defined though fields in the System Options screen The BOM Bulder import functions will process data from MRP Database Systems Parts amp Vendors amp Other Databases PADs ASC Files See section 2 1 Input Parts List dll See section 2 4 X Y Rotation Data from PCB Design Tools See section 4 1 Excel CSV File Import Text files from CAD tools T 1 MRP Data The feeding of MRP data into BOM Builder is very important as BOM Builder does not replace an ex ternal part database At a minimum BOM Builder needs the user to have a component database with a Part Number Description and a single field for PCB Decal Package associations Parts amp Vendors is an excellent small database tool that includes many purchasing features and ECO functions all at a very low cost Many companies have existing database systems and the MRP Data Import function is how data is moved from these external systems to BOM Builder The MRPData txt file can be distributed to all de sign engineers who wish to have access to such data Each time BOM Builder is started the time and date stamp is read from MRPData txt and it is com pared to the time and date of the last update When a new file is found it is processes at startup which leaves all engineers using fresh consistent data The MRPData txt file can be transferred via a local net work written to all engineers using
67. matic off BUM Pudder Main Screen C B0M_Bidr GOMs Sample SAMPLES bmb 10 x File Fd Bowd Report Packages About SNC CEPROG603 1UF 5OV Cap Ceramic Chip lut SOV 104 X7h 0603 V A Cap Tantalus 10u1 060 3 3 22 x 1 025 Size nR 5 4 1206 100 SMR 4 1206 100 5SMR 5 1206 100 les 100 Drie 1 wu 5 1200 hes 100 Ohm 1 80 4 1206 gt e s 1704 ZNh 5 1206 2 0E E DO Obs 1 M Se 12 es 2 0K Ohm 1 84 5 1206 or 0 283304 310 283304 3istor NPN 253904 SOT 23 T3904 PET a IDS PZTJ9DA4 pdf Transistor Data hee Line ltem Editor Ref Detignstor Value Part Number R R3 fe InB M v Iris CH 7 InPCB Description PCB Decal 7 Stulled Res 100 Ohm 1 0 5 1206 1206 Side Ton C Bot Design Mode Package AR x UpDete BOM PCR G PrP Rehesh Tree 1208 Placemert Type Mach Hand Decal OK Changed Decal New Pat Not Shdled Part Type 6 Paok E nos ue U adrien B Unacigned 2 orHand nsted amp SHT C THT Main Screen While the various control flags might look like a significant amount of Extra work most will be au tomatically set as data 1s read into BOM Builder 1 6 Assembly View A unique feature of BOM builder is the ability to show how parts will fit on the surface of the final PCB Using the Index Designs library of Pick and Place package models and an internal Gerber Viewer BOM Builder can show how packages will fit before the actual PCB is fabricated In
68. mber and types of components installed which 1s different BOM Builder provides the ability to con struct these product variations from a single set of schematic and PCB inputs Since each BOM Builder variation maintain a complete design data base it is always possible to Back Check a BOM to the current CAD data The ability to verify a vari ation against CAD design tools is not possible using spread sheets or other techniques 1 3 Output Data Overview Outputs from BOM Builder include PCB Design data BOMs for both purchasing and production and assembly documentation for assembly and test Most important is the ability of Index Designs to take the final BMB file and directly drive a SMT manufacturing process Advantages of using the BMB to drive our automated manufacturing pro cess include Eliminate the need for schematic design libraries and CAD librarians Eliminate errors associated with manual programming of Pick and Place equipment Allows usage of cut tape or loose parts e BOMs sorted per Assembly step Through Hole parts are directed to Through Hole work stations SMT parts go to the Pick and Place Low cost stencil and solder paste dispensing e Eliminate random errors associated with hand assembly Although generation of data for automated assem bly is very important BOM Builder can also pre pare data for PCB design Data concerning PCB footprints electrical values and company part num bers is
69. me o e Ww u CR v Color Printer v Polygon Hatch lt Print Empty Pages Force Cw Spin Top M Bottom System Options Screen The first three fields contain default attribute selec tion for BOM Builder fields when importing PADs Netlist and ASC files When a new BOM 1s created FILE NEW these fields are copied into the iden tical fields in the BOM Options which become part of the saved BOM When saving and reading BOMs it is the BOM option fields that exchange data Sys tem Options are only used for new BOM genera tion Notice that PART NUMBER is inclosed in double quotes If a attribute name contains a space charac ter then enclosing that field in double quotes pre serves that space in the name Not using these double quotes in the above example would result in attribute PART and attribute NUMBER being ex tracted and merged The next field specifies the Gerber input format when reading RS 274 D type Gerber files D Code aperture data for RS 274 D files must be read in us ing a dll routine If no apertures are read or any are missing BOM Builder will render these items using 10 mil round apertures See file Gerb Apertures txt in the ciBOM Bldr IntfTools directory A simple solution is to convert D files to X using Gerber reader programs RS 274 X is suggested In all but a few cases D reading is no possible Three check boxes allow for control of printing op tions While color printing can b
70. n AOT file to used for transfer Automatic AOT logic is controlled by two ini file variables and the AOT filename specified in the BOM Options Alignment Table field The two ini variables are AOTEnabled and AutoAOT Both are boolean variables 0 or 1 and they function as fol lows If AOTEnabled is 0 then all automatic AOT logic is disabled This is very useful for a service organi zation where a number of different AOT file must be maintained When disabled operators will never receive messages about missing AOT files or prompts about saving AOT data This setting sim plifies BOM Builder operation put requires manual processing of AOT data If AutoAOT 1 then a single AOT filename will be used and most AOT file prompts are eliminated When a BOM 1s closed and new AOT data exists the user will be prompted about saving AOT data This is the default mode for BOM Builder These settings are appropriate for individual engineers who always work with a single PCB design tool and set of PCB decal libraries When AOTEnabled 1 and AutoAOT 0 then full scale AOT logic is active AOT Files are read as BOMSs are opened and the user is prompted if files are missing or as AOT data must be saved This 1s an Expert mode designed for service organizations who must deal with many PCB designers and librar ies and who generate all the AOT files in house 8 6 Board Information The Main Menu BOARD BOARD INFO function gives the user a
71. n Buttons allow an image to be mir rored or rotated The SAVE button will copy the graphic image into the BOM Builder database and the Gerber image can then be saved with the BOM 3 2 Align Gerber Layers The X Y Assignment screen will accept X and Y parameters and will use these to modify the current Gerber image or database according to a series of check boxes These check boxes control how the X Y values are used to midify Top and Bottom side settings e Align Current Gerber Define Component 0 0 Reference Point Page 13 Chapter 3 Reading Gerber Images BOM Builder User Manual Index Designs Define Board Fiducials 1 and 2 Define Board Test Position In order for BOM Builder to overlay the Copper Solder Paste and Silkscreen Gerber files into a sin gle image the various Gerber Layers must be aligned When the Align Gerber check box is checked and the user clicks the Execute button the currently selected X Y location is subtracted from Gerber X Y locations This results in the selected X Y location becoming the new Gerber 0 0 location Do not confuse this with the Component X Y Ref erence Point Unaligned gerbers files can be easily aligned if there is a common graphic object in each layer Each time the Align Current Gerber is checked and processed a copy of the selected X Y location is saved in the BOM Options screen in a Gerber Off sets area Also in that area is a Enable flag If the Enable fla
72. n Area This allows thermal heat sink pads to be easily added for the construction of QFN and similar packages 5 5 Outline Tab The Outline Tab allows the user to modify the size and shape of the package outline Additional fields allow controls of line widths placement grid and pin 1 indicators Package Pre Cuiline Pop Fade Paste Outline Duine Hei Wilh Hegh 25 5n C Pod Iutside C Pad luside C Pad Cenim Pad Cenir Pad Irae amp Fed Inde C Dan C Dan mhap S Line ith i Redange E CA ica XY Round D E Fin 1 Din Post C Top Center v Bottom C Hone Show Motch TU Md Dol E Pins SPONGA fe bea F Outline E Pane wevindesdesigea com Copynighi c 2004 hy Robert Kondres A left mouse click will allow a user to pick up and move line segments or corners A right mouse click allows a user to insert additional corners or new outline sections To add a new outline section right click select Insert Outline then left click where the shape is to begin Click to add corners double click to end 5 6 PCB Pads Tab A key function of the Package Editor is to apply various rule sets to lead data for the purpose of gen erating PCB land patterns PCB Decals Rules are defined using simple text files in the BOM _BldriData directory See files IPC7351Rules txt and ThruRules txt for details AAA E Package Pru Outine PCS Pade Pome Pesca poj Los IPC 7351 Rude Select Gal
73. n the Placement List P Function then the next reference designator in that list will be used and that part s graphic will be at tached to the cursor for placement Various mouse clicks are also used to adjust component positions Please see the XYRS chapter for these functions Page 50 Index Designs BOM Builder User Manual Chapter 12 INI File Variables 12 INI File Variables BOM Builder maintains a number of configuration setting in file BOM Bldrini located in the cABOM Bldr Data directory There are three major sections Forms Size and locations of forms Files List of previously opened files Defaults Many system wide parameters When BOM Builder is opened it reads the INI file and saves setting in memory When BOM Builder is closed it re writes the INI file If sections of the INI file are deleted before it is read default value will be used and these default value will be written This 1s especially useful if a form becomes positioned off screen and can not be manually repositioned Sim ply delete the forms section from the INI file and defaults for all form positions will be re established 12 1 Parameter Definitions PV File Location of Parts amp vendors database PCBPath Dir of default PADs directory for PCB Designs AOTEnable Used to enable AOT process AutoAOT ing and if so if automatic DefaultAOT AOT processing is
74. nce XYRS data 1s generated by PCB CAD tools the actual PCB Decal associated with each reference designator is often available PCB Decal data is key to alignment reuse Most PCB designers are very careful about PCB decal assignments since one wrong decal and a new PCB fabrication cycle is re quired PCB decals are very similar to ndex Designs Package libraries and these decal assignments serve as the Key Link between manufacturing data and the PCB design When using the Group Move function to adjusting component positions this cor rection data is associated with theses Key Links These linkages are collected while BOM Builder is operating and they are saved in Alignment Offset and Translation AOT files AOT files can be read and saved automatically or manually Several options in the BOM Builder ini file controls this operation Adjustment data from these AOT files are used when reading XYRS data from a PCB CAD tool The result is BOM Builder Learns about the PCB decals from a specific CAD tool and only new components require adjustment Existing components are correctly placed automati cally using existing data Page 17 Chapter 4 XYRS amp Placement Data BOM Builder User Manual Index Designs 4 2 Read XYRS Example Use the FILE OPEN BOM to read in the file cABOM Bldr Sample sample2 bmb Use the EDIT BOM OPTIONS to show the BOM Options screen DOUBLE CLICK on the XYRS Input Pro cessor field and a file
75. neration of XYRS data for parts that are ma chine mounted must be sorted by side A single sorting scheme is not sufficient to drive automated assembly Various pieces of data must be provide for complete and accurate assembly Incomplete data results in delays and errors Index Designs has addressed these issues through the construction of standard package data and by coding BOM Builder to record and reuse rotation data This process consists of Reading CAD XYRS Data Adjusting Positions Recording and Reuse of Adjustment Data 4 1 XYRS DLL Routines The use of a XYRS xxxx dll requires that the XYRS data format be known A number of dll rou tines are provided for various CAD programs New dll routines are easily written if the CAD data for mat is known A single XYRS xxxx dll routine is selected through the BOM Options screen A DOUBLE CLICK on the XYRS Input Processor field will allow the user to select the appropriate XYRS xxxx dll file Input List Processor Ic BOM BldrtnthT ooleIPL_Lavout_lrsert dll Gutput Net List Processor CNBOM_BldrintfT ools ONL_ PADS dll SAS Input Processor Ic BOM Bldr intfTaalz rHS Layout Insert dll A As BOM Options Fields for dll Selection When the main menu IMPORT X Y Rot Side item 1s clicked the above pre selected dll file will be used to read several pieces of data e Reference Designator e Xand Y Location e Rotation e Side e PCB Decal Si
76. ns are rendered as Cross Hatch area and Clear polygons are ignored 3 1 Selecting Layers Read selecting the BOARD READ GERBER menu opens two windows Read Gerber and X Y Assignment These screens are shown below The drop down list in the Select Layer control al lows the user to select a layer for data transfer When a layer is selected any Gerber data that al ready exists for that layer will be placed in the grey graphic screen The mouse can be used to click and select graphic items from that screen As items are E lii xl Read Gerbers for Copper Solder Paste Silkscreen X Y Assignment mn gr mm Toric iem Temair d fa one Agrees FP digan Caen Canteen Select Gerber layer select their X Y locations are placed in the X Y As signment screen and the selected item is highlighted in white Pressing the Delete Key will delete a se lected item Line items can be selected by clicking on a center or endpoint Round items are selected at their center Click on the BROWSE READ button to read an ex ternal RS 274 X Gerber file Note that a layer must be selected before BROWSE READ can be se lected Very limited support is provided for RS 274 D files as special dll files are required for reading the aperture tables See file c BOM_Bldr IntfTools Gerb_Apertures txt for de tails Once read the image will be fitted to the screen and a blue cross will show the 0 0 if this location is fit ted on scree
77. nsert Key will cause a new pin to be inserted at the current mouse point The size and shape of this new pin 1s copied from the pin selected when the Insert Pin mode was initiated The Page Up Page Down and Home keys provide control over the Zoom and Pan of the displayed graphics These function as in other graphic win dows 11 5 Assembly View Assembly View has the most complicated set of keyboard command as compared to other BOM Builder screens Page Up Zoom In Page Down Zoom out Home Zoom to show all data ESC Clear current special modes Various Mouse Clicks e ALT SHIFT Arrow Keys B Set Board Outline P Set list of Ref Des for manual placement R Adjust Component Reference Point C Copy screen graphic to Clipboard F5 Toggle STUFFED Status e F6 Set Machine SMT Status F7 Set Hand SMT Status e F8 Set Hand THT Status The Page Up Page Down and Home keys are simi lar to the functions in other screens These keys al low the user to Zoom in and out and control the graphic display The ALT Arrow keys with the option of SHIFT serve two functions The normal mode is used to ad just the position of the currently selected part Parts are selected using a mouse click and the selection data in shown on the screen upper left Using ALT Arrow keys this parts can be repositioned in 1mil 25 4 um steps Including the SHIFT key changes this to 5 mil 127 um steps While most placement is done using
78. numbered BOM is saved Do not SAVE the BOM until processing completes with no errors Always spot check the conversions 8 4 Package Utilities Several functions are provided in the Main Menu PACKAGE function for the control of Package Li braries Update Cache Update all BOM graphics from the Package Library Edit Packages Open Package Select Screen where packages can be seleted and edited Backup Save all Packages to PackageBakup txt file Restore Delete Package Library and restore from the PackageBackup txt file When packages are backed any existing backup file is renamed down through an Old Older and Oldest sequence Restore should only be used if the BOM Builder database has become corrupted When the library is restored any unsaved packages will be lost The format for the PackageBackup txt file is identi cal to the PackageData txt file found in the cABOM Bldr directory Each time BOM Builder is started 1t checks the date of PackageData txt When a new date is detected PackageData 1s read and the local package database is updated All packages contain time stamps which prevents old data from over writing new data PackageData txt 1s the vehicle by which Index De signs distributes current package information Plac ing a new copy of PackageData txt in the ci BOM Bldr directory is all that is required to update Page 38 Index Designs BOM Builder User Manual Chapter 8 Misc Function BOM B
79. o support construction of Product Variations X Y Rotations and Side TOP or BOT status XYRS Information for Pick and Place Indicators for Through Hole Machine and Hand Placed Components With a parts list and all the component data present the next questions is Is All The Data Right BOM Builder is very unique in that it presents all this data as a completed assembly image Using a custom Gerber Reader and package graphic libraries BOM Builder show the resulting data as a final board im Raw Input Schematic Capture PCB Design or Spread Sheet Merge of Structured BOM with BOM Builder Read Process amp Clean Input Parts List using IPL_xxx dll Read and process using approiate dll input routine BOM Builder BOM Builder Data Flow Input Parts List Convert Raw Parts List to a Structured BOM with Production Control Data gt E Generation of Structured BOM using Universal BMB format X Y Rotate and Side XYRS Data Merged with Advanced Assembly Package Library Read and Adjust X Y Rotation Side using XYRS xxx dll Apply Pick and Place data from PCB Ready to Build BOM with both Advanced Assembly Package Database design tools with BOM and Packages Purchasing and Manufacturing data Page 1 Chapter 1 Introduction BOM Builder User Manual IndexDesigns age This image allows the Form and Fit of the various components to be checked BEFORE an ac tual
80. ociate that component with a function Components are grouped into identical Functional Areas and the Main Scree Tree is sorted by func tions in an alphabetic manner This is how BOM builder knows that R s are resistors and C s are ca Page 37 Chapter 8 Misc Function BOM Builder User Manual Index Designs pacitors Unknown reference designator letters are mapped into he Other function Users should populate the right side table with their own definitions Having parts sorted by function is a great way to locate parts and assists with manu facturing and test This table is saved to and re stored from disk as BOM builder is closed and reopened 8 2 Delete Functions The Main Menu EDIT menu contains delete func tions for Parts All Parts and All Gerbers Delete Part will delete the parts defined in the Line Item Editor located in the lower portion of the Main Screen Delete All Parts will remove all parts but will main tain Gerber Images and BOM parameters This dif ferent from the FILE NEW function which deletes parts Gerber images and resets all BOM parameters Delete All Gerbers simply deletes all Gerber im ages These functions are very useful as new revs of a design are made since a significant amount of data can be reused 8 3 Renumber It is a common practice for a PCB designer to re number all reference designators on a PCB This process results in a design where it is easier to lo cat
81. od Side Sel Al C NoSik C Dim LJ LI r Gipmove lt Prev Nest 6 Top C Batom Sample2 bmb Gerber read Parts at 0 0 The above image shows the Copper in gray Silk screen in yellow and Solder Paste in light blue All components are located at 0 0 since the XYRS in formation has not yet been read Page 15 Index Designs BOM Builder User Manual Chapter 4 XYRS amp Placement Data 4 XYRS amp Placement Data Data concerning component locations and rotations is probably the most important type of data used during automated assembly Without good data ev erything else is just Hand Assembly Most ma chine operators Hand Adjust placement data using an actual PCB as the target Nothing could be more prone to errors Silkscreens which direct hand placement are often removed from pads and vias if the silkscreen even exists at all Camera views on machines are limited and working with a limited view can result in errors BOM Builder contains the tools to Get it Right at design time which im proves data accuracy and reduces assembly time As important as XY RS data is to the assembly pro cess there are no standards for CAD data input or data being sent out to assembly equipment Com bined with these issues are another set of problems e Stuffing Options Mount Order Missing Orientation Marks Missing Fiducials Different Rotation Directions Package Variations e Machine Orientation The ge
82. open dialog box is displayed with a number of XYRS xxx dll files shown Using this dialog box select the XYRS PADSXYPositions dll file then click OPEN This file name will then be shown in the XYRS In put Processor field Close the BOM Option screen using the upper right X button When the BOARD ASSEMBLY VIEW screen is opened all the components can be seen at the 0 0 lo cation Use the Main Screen FILE IMPORT X Y Rot Side to read in PCB position data from cABOM Bldr BOMs Sample POSITIONS txt Click OK on the XYRS Unit Select Form and sev eral action will take place e XYRS Data is Read Component Locations in the Assembly View screen are updated A XYRS Log txt result file is created and opened in the default system editor for txt files As XYRS data 1s read the incoming reference desig nators are checked against existing BOM compo nents If a new item is detected in the XYRS data it is flagged If a BOM component does not receive XYRS data then this 1s noted at the end of the log text Missing or extra items could indicate errors with the Input Parts List The resulting Assembly View screen is shown be low In this example the X Y locations for the vari ous components will all represented the true component centroids If PCB Decals had been constructed with origins at pin 1 locations or with rotation orientations differ ent from the Index Designs libraries the location of the shown components would be
83. ort BOM Builder will format part information into a COMMA SEPARATED VARIABLES file format for reading by Microsoft Excel and many other spread sheet programs The user is prompted for two inputs Destination File Name Count of Boards to Build After the file name 1s selected the Board Informa tion screen is shown The user should enter a num ber for Number of Boards to Build as this will be used as a multiplier for the output Count field Each line item is output as a single row with the following output fields e Find Number Part Count multiplied by Boards to Build Count Reference Designators Part Number PCB Decal Index Designs Package Name Description 6 3 Parts amp Vendors Export Export to Parts amp Vendors is probably the most im portant function within BOM Builder This func tion takes the current BOM and generates a structured parts list within the Parts amp Vendors da tabase Note that only those parts with valid Parts amp Vendors Part Numbers can be transferred If a job contains new parts the Parts amp Vendors database or any MRP database must have these new parts created first Once a BOM has been exported into Parts amp Ven dors automatic purchasing and inventory control 1s possible Kitting generating RFQs generating POs and a number of functions are available Also avail able are ECO controls which help to maintain a consistent product configuration Please se
84. own as RED since most fields are undefined Click on the 2 100 line item under the Res branch and the Line Item Editor at the screen bottom will show that R2 and R3 are selected and the current Description as Res 100 A DOUBLE CLICK on the Description field will start the search engine with results shown in the Part Lookup screen The top matches three in this case are 100 ohm re sistors in different sizes Parts are grouped by the im earc creen r Search Re Part Lookup PN v 5z Srch Items C 25 Fart Number Description SMPBR 55 603 100 Bes 100 Ohm l le Watt 5 SMP 53 1206 100 Pes 100 Ohm 1 8 5 1 SMP 53 2512 100 Bes 100 Ohm 1W 5 251 RES 1W 20 Bes 20 Ohm lWatt 55 RES 1W 6 amp z Pes 62 Ohm lWatt 54 Results of Search on Res 100 quality of the match In this case the first 3 items matched with equal priority In the Search Results List DOUBLE CLICK on the 1206 part and the main tree screen is shown with new information about the selected component in the Line Item Editor area Click on the Update BOM button to save the new data for parts R2 and R3 Notice the R2 R3 line item are now White Coded since complete engineering data is now linked Also notice that both Package and PCB Decal contain 1206 the Part Number is SMR 5 1206 100 and the Description is quite detailed A BOM Builder Main Screen CBOM Bide BOM Sample SAMPLENET all bx F e Edk Dow
85. per BOM Builder shows how components are rendered on a Pick and Place The Assembly View screen is actually a Software Pick and Place engine that shows physical package data on an image of the final PCB Generation of that PCB image requires of several Gerber files the construc tion of graphic data for each layer and the alignment of those layers into a color graphic image Three Gerber files are required for each side Top and Bottom of the PCB that contains machine or hand mounted components These required layers are Copper Solder Paste and Silkscreen Reading of Gerber data is complicated by the need to align the layers and locate actual components The gen eral steps are Align Gerbers While many CAD tools will output Gerber data relative to the same X Y location some uneducated users still Center Gerber plots This results in random offsets which requires all layers to be manually align This would not be a problem except these same few Designers fail to place a consistent object in all the layers to enable manual alignment Mirror or Rotate All Gerber files should be provided as View Through the Top The orientation must be the same as the component location XYRS information Set Component X Y Reference The 0 0 point for the component XYRS data must be defined Often this is 0 0 but not always BOM Builder reads Gerber data and generates inter nal display lists for graphic display RS 274 X polygo
86. quick overview of line item counts part counts and the relative difficulty of board as sembly A multiplier is included that allows total part counts to be evaluated The left side is a display of various counts while the right side allows selec tion of quantities of boards and part types to mount Board Information E x gt Part Per Board Build Status Total Line Items Number of Boards ta Build 7 3 Total Parts Part Types to Include 8 Top Side e Bottom Side Machine SMT Parts E Machine SMT Parts e Hand SMT Parts Hand SMT Parts pen e Hand Thru Hole Parts Hand THT Parts 2 Sides With Parts Total Hand Parts Top b Hand SMT Parts pae n No Stuff Parts DNF Total Machine Parts o 18 Board Info for 3 Pieces of SAMPLE3 In the above example 3 pieces of SAMPLE3 are to be built including all SMT and Through Hole part Page 39 Chapter 8 Misc Function BOM Builder User Manual Index Designs types The total number of machine placed parts is 18 and the total number of hand placed parts 1s 6 Several reports will cause the Board Information Screen to be displayed prior to running the report This gives the user a chance to set the Number of Boards to Build field which is then used as a multi plier for part totals 8 BOM Options A BOM Options window is used to configure vari ous parameters associated with a single BOM This window is accessed from the main menu usin
87. r Chip 0603 1608 SMT line in the Available Pack ages list You will see 0603 filed into the Package field in the line item editor and at the same time the Part Type field will change to SMT At this point you have selected a new package for R1 but the BOM has not yet been updated Click on the UpDate BOM button in the Line item editor Several actions will take place when UpDate BOM is clicked A User Table is searched for any PCB Decal names that have been associated with the 0603 package Either a matching PCB Decal name or the Package name is filled into the PCB decal Field e The BOM database is updated from the fields in the Line Item Editor area e RI becomes Green Coded All the required data is present for PCB design and manufacturing Purchasing data is not available as no Part Number has been assigned New parts don t have numbers The resulting screen is shown below A 00 Builder Main Screen COP Elle 004 Sample SAMPLE Pix mA Dei gda 7 3 Package o aa SS ae iz Pari OF Hew Poi b Forel Missing E Unassigned fo ot Hand Shuffed im SMT P THT Green Coded Part after Update BOM BOM Builder allows construction of line items which are Technically Incomplete yet it allows the design and manufacturing process to continue The GREEN indicates the PCB process can con tinue but there are open issues with this line item With the GREEN R1 1K item selected click on the STUFFED check
88. r workstations None of the Through Hole parts are required at the pick and place machine Since some SMT parts can not be machine placed they must be hand placed BEFORE the solder reflow process Through Hole part mounting is accomplished AF TER both top and bottom SMT Machine and Hand at yet another workstation The cost for Hand and Through Hole assembly is much higher than SMT machine assembly and these counts are very impor tant when computing assembly cost BOM Builder provides several Manufacturing Con trols along with controls for BOM generation and PCB design It is very common for parts to exist in dependently in the schematic PCB design or BOM Page 2 Index Designs BOM Builder User Manual Chapter 1 Introduction These controls identify how component data 1s used and allows data to be transferred to various company departments in an automated manner Fart Humber d ue w n po 5b53 1 ND i InPCB PCB Decal e Stuffed CAPP_A amp ide pL Top Bot 5 pen Type CAP TANT amp Not Stuffed fi f or Hand Stuffed Manufacturing Controls Part Tipe SMT THT A fundamental problem with many schematic cap ture and PCB design tools is they do not consider the various types of data required for assembly It is very common for a single schematic and PCB de sign to be used for a number of different assembly variations In each variations of the design it is the nu
89. r fields must exist Each dll routine will process it s associated file format and will return the extracted data to BOM Builder in the proper format BOM Builder can populate it s internal search en gines with user part data by reading data through the MRP xxx dll routine Internal code provides support for reading and writing Parts amp Vendors data structures 1 5 Main Screen The BOM builder main screen 1s show below and is divided into top and bottom sections The Main Tree in the top section show a structured view of line items Color coding in the Main Tree view gives an indication of Existing New and Unknown parts e A Line Item Editor area is at the screen bottom This area allows the user to Add delete or modify the nature of line items e The Update button will force all the Line Item Editor fields into the shown reference designators A Tree Refresh button can be used to redraw the Main Tree when required Along the very bottom are the counts of components that fall into various categories File SAMPLE3 BMB file has been loaded below and line items are shown The line item consisting of 2 resistors R2 and R3 is selected Each part is a 100 ohm 1206 resistor and each is to be include in the BOM and the PCB design Both are to be placed by pick and place on the top side and each is a SMT type component When doing compares to the schematic these parts will be verified since each is checked as being In The Sche
90. r networks Many sizes that are unique to this electrical function e TP Test points XFORM Transformers have unique size pin styles and thickness XTAL Crystals and Ceramic Resonators Try to avoid functional data in names Place func tional information in descriptions which is general in nature Component part numbers like LM555 or 4N35 should never be contained in package names of descriptions Never Page 48 Index Designs BOM Builder User Manual Chapter 11 Keyboard Shortcuts 11 Keyboard Shortcuts BOM Builder incorporates a number of Keyboard Shortcuts in several different screens These key codes are used to reduce BOM coding effort and to control special functions 11 1 Main Tree Screen The Main Tree Screen must be the window with fo cus for the following key to function The function is applied to the part or parts identified in the Line Item Editor area F5 Toggle STUFFED Status e F6 Set Machine SMT Status F7 Set Hand SMT Status F8 Set Hand THT Status ESC Clear Line Item Editor Area F Open Part Search Screen e Z Toggle Auto Zoom Mode E Launch Windows Explorer The Part Search Screen allows the user to search on either a reference designator or general text Text search will display a number of Line Items in lower screen area A user mouse click on these items will adjust the Main Tree cursor position to the selected Item Auto Zoom is a feature which allows rapi
91. re of these errors should be resolved 2 1 PADs ASC Format BOM Builder contain internal logic to read in PADs ASC files which are generated by the Mentor PowerPCB design tool This type of ASC file IS NOT the same as a ASC netlist file generated by most schematic capture programs A PowerPCB ASC file contains all the XY RS data Decal names Values and other component attributes These at tributes may or may not contain useful data de pending on the quality of the schematic and PCB libraries Three fields in the System Options screen allow the selection of PADs attributes to be used as input for various BOM Builder fields i System Options BOM Builder Configuration PART NUMBER Attribute PART NUMBER VALUE Attribute VALUE DESCRIPTION Attribute VALUE DESCRIPTION VOLTAGE RATING TOLERANCE AS 224 0 Format 2FSLAXS5Y 35M OIN ps SG NE St LOD ES IPFA indeed ph Browse IC PV4 indexd mdb System Options Screen The above setting will result in the ASC reader using attribute PART NUMBER for BOM Builder part numbers while the VALUE DESCRIP TION VOLTAGE RATING and TOLERANCE at tributes are all merged for use as a Description This information is only valid if the PCB designer has carefully prepared component attributes This 1s sel dom the case As the ASC file 1s read two conditions are detected and the user must indicate how to proceed These conditions are New reference de
92. s used to drive Index Designs manufacturing equip ment Two screens are used to select edit or generate new package models The Pick A Package screen al lows a single package to be selected from the li brary A search engine is included to assist with locating a specific package The Package Editor screen allows existing packages to be changed or new packages created 5 1 Pick A Package Screen All components that are to be mechanically placed must have a assigned Package Pick and Place ma chines can require hundreds of parameters to pick up transport rotate and place a component Index Designs uses Package Names to identify specific physical package styles Each BOM line item that 1s to be machine placed must have a Package Name in the line item Package Field The Pick A Pack age screen is shown below and it allows users to select a package from the existing library nd sd FY Show iine 3 Pra On Top ISP PEEBFEREEFEEEFFEERE rie ERELPEERPREERRELERERRRBRE BEEER POE PERSE Eee ee eee eres PEER Pick A Package Screen The top field is the Search Description and it is this text that drives the search engine In the above example soic 14 was used to locate all existing Gull Wing type packages which had 14 pins Search results are shown in the Available Pack ages and the top item is a 24 inch wide package Standard SOIC 14 package Clicking on a line in the Available Package area show both th
93. signators are detected e Should PCB decals be read A PCB design may contain many items that are not found in a final BOM Examples of these are mounting and tooling holes If a BOM Builder file already has been edited to where it contains only the required parts then the user does not want the reader to read in new reference designator If the user 1s starting a new BOM Builder file then reading of all the reference designators is required 2 2 Schematic Input BOM Builder reads parts list information from a schematic using one of two different input functions Page 7 Chapter 2 Input Parts Lists BOM Builder User Manual Index Designs FILE OPEN OTHER PADs NETLIST Use of IPL xxxx dll routines 2 3 PADs Netlist The first is a PADs netlist format which has compo nent information in the PARTS section Like the ASC reader attributes will be pulled from the netlist according to the attribute names assigned in the Systems Options screen Many schematic cap ture programs will generate PADs netlists but few will populate this netlist with component attributes PADs netlists are read using the Main Menu se quence FILE OPEN OTHER PADS NETLIST While a PADs netlist can also be read using dll routines the OPEN OTHER PADS NETLIST al lows use of named attributes when collecting data See section 2 1 PADs ASC format for a description of how this logic operates 2 4 IPL_xxx dll Routines The s
94. signment is a Post schematic design process Engineers can concen trate on connectivity with support staff assisting with most part assignments BOM Builder encour ages data reuse by providing a means for collecting information about new components 2 New Part Creation When designing a circuit assembly new parts must be introduced into the engineering process BOM Builder provides a means for identifying new com ponents and allowing a project to continue until new part numbers are generated Click on the R1 IK line item in the main tree which shows R1 and Res 1K in the Line Item Editor fields Part Number PCB Decal and Package are all UNASSIGNED DOUBLE CLICK on the Pack age field which will open the Pick A Package screen and start the package search engine Move the windows as shown below 215 xi EHR 4 1204 100 mi LOG Che l EW 5 120 EHR E4 1206 100 ENR 54 1206 100 ar 100 Ohe 1 5W 5 120 az 100 Ohe Liew 5 1106 AK Fial Doetageusdus Vaka Fiat Numer D ren RI X ur UNASSIGNED era Denpi PCE Decal E cud hes TK UNS SIGNED Side m Top C Be Desg Mode Package Warm Votate BOH cP ch Behesh Tree gs chert Decal OF Changed Decal Hew Pat Mot Shiled Par Type Pato NE erat Uo r e B unen D ewer Shutied G SNT TMI Selecting a Package for a New Component You might need to click on the Search button to execute the search Click on the Res Cap Inducto
95. simple batch files or even downloaded over the Internet using a web browser 7 2 Parts amp Vendors Import The Parts amp Vendors Import screen allows control over the local copy of the MRP Database within BOM Builder There are three different methods of setting up this data Prefered Reading from Parts amp Vendors e Using MRPData txt file from a MRP system Dumb Building it by hand The ideal process is to automate the collection of data that will be used in forming BOMs and the driving of the manufacturing process A single point source of data is preferred one where a minimum of Part Number PCB Decal and Description are avail able The saving of Package definitions in this data base is advantageous but BOM Builder AOT logic can learn and provide package names if required Selecting FILE IMPORT PARTS amp VEN DORS DIRECT displays the PV4 Import screen which is shown below In the top section is a data base grid that shows the contents of the local BOM Builder MRP image Several buttons allow synchro nization and backup and several fields are provided for adding new parts or attributes Part amp Vendors Import Leal Copy al MRF Dabei D BAT TZMM LLIP SMT BAT TZHNMICLIP SMT BAT TZMMBCLIFSMT Iaiserg Cn 128084 Coin Cell SHT A UAT BFIT225 THT WAT LI 1 24M BAT LI 124H Tete ood Lifhaurs C n C l Tye 1225 4h PCD pri ALL HREH el DHL Un 1 PAMELA BLZ 1 Hmm 065 Bree 2 ABER Bl 2 Volt 12ra Dis L
96. sistent out of date or just wrong Despite these problems many engineers continue to use spread sheets so BOM Builder includes several dll func tions for reading spread sheet data The TXT CSV read function is also used read many types of text reports that are generated di rectly by many CAD tools When reading these TXT files the key issue is what determines field boundaries When reading TXT files space charac ters are used to delimit fields The number of spaces required to delimit a field 1s controlled by a De limit count Tab characters will also serve as a de limit of input fields In all cases the spread sheet or text file must be in spected for invalid or inconsistent fields Spread sheet files must be exported as a CSV file A ge neric CSV TXT import engine has been provided that will read the CSV or TXT file and allow in put fields to be converted into a set of output fields A sample screen is shown below BE eel TET E ESY dal xl Input File Name Anal Fila T yii CVAD SOMA Clean Borm ore owt 1 ip per Ed ty pet bl ly riii Oly lise Mii Mhi guia Dagger AON Desea Phy Ref Des 1 1 PLBPes Venhaa Teck PEH Duma U 1 1 Gene GETEEDACTF IC HEED De LOFE ui 1 Demm G5152AC DI IC HOSI Ade 5ORC T8 ue Lennum GOISAHCTAE IC HE SDI WC IP optar B ox YI di LJ Mfr p n Fkg Mit D ebcnphon Verdun echa FUN bl ut 5 158 ACE LUrFF BI uz l5152 4ACEKDE 31 SIE 16 Ti BOTROSCTAE3 Propo
97. ted within BOM Builder 6 8 Assembly BOM The Assembly BOM is very similar to a Purchasing BOM except that the parts are sorted by assembly process requirements The sorting categories are Machine Parts Top and Bottom Side Hand SMT Top Side Hand SMT Bottom Side e Through Hole Top Side e Through Hole Bottom Side Not Stuffed Color coding is used to define side information Top side components are marked using alternating col ors of red and white Bottom side components are marked using alternating colors of blue and white The first part in a side group is always in red or blue so there is no ambiguity about which side a parts is located Machine parts are all marked with alternat ing colors of green and white No distinction is made for top and bottom side machine parts No stuffed parts are shown in alternating gray and white Dividing parts into these categories speeds produc tion as it allows various component types to be routed to different work locations Hand SMT parts must be mounted before reflow of their associated side Through hole parts are mounted after SMT is complete The not stuffed list 1s important during fi nal inspection Including all none stuffed components in the BOM and marking them as Not Stuffed is very impor tant Final inspection must verify if any required parts are missing The only way required parts can be verified 1s 1f No Stuff parts are identified 6 9 Kitting La
98. that Pack ages are not Components A SOIC 14 package could be a resistor network analog IC or a transis tor array A pick and place does not care what is in side a package only the dimensions and pin locations are important The first portion of every package description is the Style and pin count Style must be VERY CARE FULLY defined Industry standard names if there are any for many packages use ambiguous names Packages like SOIC TSOP SSOP are all GULL WING style devices All packages with leads on 2 sides which come out and then down are named Gull Wing The search engine will resolve most common names for these devices to Gull Wing packages After the initial style characters is a pin count at least for most components Some package styles im ply a fixed number of pin so pin counts are not included for example an 0603 package If a com mon package does have a different number of leads then include the pin count in the name and description For example some filter components come in 0805 packages but with 3 leads This de scription should include 3 Pins and the name will include a 3L At the end of the description include a SMT or THT to help identify the assembly style of the package A package with a single SMT type lead is SMT Only packages with all THT leads is a THT pack age 10 2 Package Name While BOM Builder includes a search engine to as sist with locating packages most CAD library tools
99. the Netlist to PCBe export func tion The resulting PADs ASC file format is not only very common among PCB design tools but it merges netlist attributes and component decal se lections into a single file The export process for this file starts with a read of an existing file PADs file and then writing a new version of the file to a second directory After selecting FILE EXPORT NETLIST TO PCB DESIGN the user is prompted for an input netlist file This file is read and the user is prompted for an output net list file The user will be directed toward a different directory with the file name for writing the same as the input file name The input file 1s read and written to the output netlist file During the transfer input file PARTS data is re written with the PCB Decal information con tained in the BOM Builder database This allows all components to be assigned PCB decal data without annotation data being placed in the source sche matic This simplifies the use of schematic gener ated by Outside Consultants Different schematic capture programs Same capture tools but different libraries e Sample schematic from evaluation kits Both input and output file names are saved in the BOM Options screen as they are used for the netlist transfer file Once valid file names exist in these BOM Options fields the user is no longer prompted for file names the transfer takes place immediately As the decal names are transferred they
100. these points using the Assembly View editor If there is a single component where the centroid of the component is known that component can be Placed and the Component Reference Point set Typical components that work with this scheme are large QFP packages Any package will work if the PCB Design has constructed the PCB decal with the 0 0 at the decal center Using CTRL ALT LEFT CLICK a part can be picked up and moved just as if a CTRL LEFT CLICK had been used The difference is when the component is dropped Dropping the part in this case does not move the part instead software com putes the X Y differences and applies this to the Component Reference Point The result is the Moved component moves to the correct location and all other parts move at the same time It is not parts being moved only the reference point A dia log box will ask 1f these offsets should be used for both side the answer is typically yes There is one more scheme for adjusting the Compo nent Reference Points which is done using arrow keys A R CTRL R will start a Reference Point Mode of operation where ALT Arrow keys will ad just the Component Reference Point for the cur rently viewed side Adjustments are in mil increments and holding down the SHIFT key will move in 5 mil increments 4 5 Board Outline BOM Builder allows the definition of a Board Out line Currently this outline serves only as a cosmetic function the centering and
101. tions The menus items are generic while the BOM Op tions setting select a specific dll routine The se lected routines as well as all the other BOM Options are saved in the final BMB file Within the System Options screen EDIT SYS TEM OPTIONS is a table used to associate com ponent descriptions with reference designators When a net list is read the leading ALPHA CHAR ACTERS of the reference designator are stripped off and the Ref Des To Type List is search using the stripped alpha characters If a match is found the Component Type text is appended to the descrip tion field 25 Import Example The best description is an example After starting BOM Builder use the sequence FILE OPEN OTHER PADS NETLIST This sequence will open a dialog box showing a SAMPLE directory Open this directory and click on the SAMPLE NET file A SAMPLE PDF files is also located in the SAMPLE directory and it shows the source schematic This NET file was constructed in OrCAD Capture using the PAD out put format with Value in the FOOTPRINT PROPERTY STRING Page 8 Index Designs BOM Builder User Manual Chapter 2 Input Parts Lists When the SAMPLE NET file is read a structured BOM tree will be shown in the upper portion of the Main Screen with several red elements This tree is a view showing the various BOM Line Items which are contained in the schematic Identical items have been grouped together
102. tly from lead diameters but from required drill sizes In the BOM Bldr Data directory is a file DrillRules txt This file is used to map through hole pins to a user defined set of drill sizes The purpose of this logic is to control reduce the number of drill sizes called out in a complete job The component Courtyard is a definition of the space around a component while Part Height 1s an indication of component height These fields are stored with the package data and are reserved for use by physical modeling software The Courtyard can encompass space for just the pads or if Include Outline is checked the outline shape positions will be included in Courtyard calculations 5 Paste Tab When manufacturing surface mount assemblies the solder paste apertures are extremely important For small and fine pitch components solder paste aper tures can not be reliably extracted from PCB land patterns Instead a completely independent data structure must be defined to control paste apertures BOM Builder includes logic for generating custom solder paste apertures Fields are provided to define aperture shape and Gasket spacing Gasket spac ing is defined as an area of PCB Pad material that must gasket the area exposed by the paste aperture The goal is to prevent paste leakage during the printing process which can result in solder shorts during reflow E slclxl i nm Carcel Chee Package Pre OuLie PCR Pade Paste H
103. uilder with the latest package information Index Designs libraries are specially marked and they will ALWAYS be restored from PackageData txt Users who wish to generate their own packages should use a character as the first character of the package name This will place user packages at the beginning of the Show All list and keep them separate from Index Designs packages 8 5 AOT Files AOT files are used to store data about how a user s PCB Decals are converted to Index Designs Pack age names Included is information about how the XYRS data associated with those decals is posi tioned relative to the Index Designs package The construction of AOT files is semi automatic as new user PCB Decals are encountered during the reading XYRS or IPL data As a user assigns a Package Name to a line items that Package Names becomes associated with the PCB Decal for that line item During checking an operator might posi tion and or rotate the package graphics in prepara tion for machine placement All these Angle Offset and Translation parameters are saved in a local da tabase and this database is eventually saved to an AOT file Whenever a new part with an known PCB Decal is accepted these AOT translations can be applied via a manual or automatic means The Save Package Map to AOT and Apply AOT File to BOM functions in the Main Menu PACK AGE menu are the manual means for controlling AOT data In each case the user is prompted for a
104. used the DefaultAOT names the file GerberFormat Initial gerber format in 274 X GerberRotate format Default Rotation PartTypeFile File used to relate Ref des let ters to a part type name IPL FileName Defult file names for dll pro XYRS Filename cessors and MRP input data MRP FileName ONL Filename DescAttributes Each is a list of PADs Field ValueAttributes Names used to form Desc PartNumAttribute Value and Part Number ColorPrinter Used to alter printing colors MRPDataDate Time stamps used to detect DecalDataDate changing Package Data and MRP Data LibUpdateDir Default directory used to dis tribute Package and MRP Data These are Sniffed for new data each time BOM Builder is started StartupCount Tracks count of program starts KitLabelY Offset Used to center printing of as sembly kit labels PrintEmptyPages Used to control printing of Top or Bottom when no parts are detected on that side ForceCWTop Set default spin direction for ForceC WBot XYRS imports DefaultPinter Last Printer Selected IgnoreAbsentParts Disables warning messages about non stuffed parts AutoAsmView Auto Open of Assembly View AutoAsmNotes Auto Open of Note Files Page 51
105. ut Parts Lists Schematic capture programs are the preferred source of part data Spread sheet are often used but most spread sheet users generate these list by hand and the data is often inconsistent or simply in error Other source of data include PCB design software though once again this data may not represent what is truly required by the schematic designer In either case the required data consists of RefDes A simple combination of up to 5 letters followed by a number between 1 and 9999 Valid examples are C1 and RNJ3 Invalid examples are USA JI 1 and 5 Value A short text string that provides basic information about a component Examples are 10K luf and LM555 Part Number Optional A company part number is very useful as it gives exact definition about the nature of a component Description Optional Provides useful information for assembly purchasing and test BOM Builder will generate default Descriptions PCB Decal Optional If available from the schematic it will assist with forming line items PCB Decal is provided my most XYRS input dlls and is not required in the parts list The above data items provide the information that 1s used to form line items If a Part Number is pro vided parts with identical Part Numbers will be merged into a single line item If parts with identi cal Part Numbers but different Values or Descrip tions are detected BOM Builder to report Line Item Errors The natu
106. xxxx txt file where xxxs is some random set of digits sample PADs XY Location Report RefDes X Y Rot Exact FREE Side C1 775 0000 1475 0000 270 EXACT FREE Top C2 975 0000 1475 0000 270 EXACT FREE Top JP1 325 0000 625 0000 180 EXACT FREE Top P1 1625 0000 1000 0000 090 EXACT FREE Top OT 950 0000 650 0000 000 EXACT FREE Top R1 600 0000 650 0000 000 EXACT FREE Top R2 1275 0000 950 0000 000 EXACT FREE Top R3 950 0000 1000 0000 090 EXACT FREE Top 94 PADs ASC File Generation Y ASCII Output x Pads ASC files contain XYRS Input Part List and PCB Decal info Also in DES depending on the design environment it might also contain company part numbers The user should always generate a ASC file when possible ___Unselectal Format To Generate a ASC File in PADs complete the PADs ASCII Output 9 59 gt PCB Parameters Reuse Text Lines Clusters Vias screen as shown to the left Units dna B asic ackages Parts Jumpers Connections Routes Teardrops Miscellaneous Rules CAM Pour Assembly Options Test Points Attributes Files Export lt filename gt Save Expand Attibules Parts Then select the output contents and format mos SELECT ALL Format Power PCB V5 0 Units BASIC IK K S ER S S S S S S amp S E amp IK A IS S amp The ASC file is generated and written to disk 9 5 Protel There are

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