[wg11] Reminder and Update: Part 21 E3 DIS testing
Thomas Thurman
thomas.r.thurman at imonmail.com
Tue Jul 15 06:04:10 EDT 2014
Martin,
I recognize this example is out of scope for what you may be funded for but wanted to bring it to your attention.
We can discuss this offline as I won't be in attendance at today's meeting due to a conflict.
Regards,
Tom
Here is an example from AP 210 ed 2:2011.
longform schema is at
stepmod/data/modules/ap210_electronic_*/mim_lf.exp v 1.40.
The example is a single level of physical hierarchy.
interesting bit is that PMI for one element is a requirement for PMI in another element, bot elements being
down in the hierarchy.
link to example:
http://www.wikistep.org/images/3/3e/SurfaceMountFlasher.stp
example instance types for physical assembly (PCA is all we are interested in for this example):
[AP 210 specific subtypes were used to eliminate superfluous records in the p21 file.
This looks terrible but is efficient and is valid.
This is still needed because electronics is still shrinking.]
---Electrical package definition in a 3D library---
AP 203/AP214 Solid model
---Electrical package definition in a 2D CAD library---
--package product_definition 'contains' the shape data---
#87=PRODUCT('c0805_vapor_nr','c0805_vapor_nr',$,(#11516));
#88=PRODUCT_DEFINITION_FORMATION('26',$,#87);
#89=PACKAGE('c0805_vapor_nr',$,#88,#28,'',$,*);
#9032=SHAPE_DEFINITION_REPRESENTATION(#89,#91);
#91=CSG_2D_SHAPE_REPRESENTATION('ppsm',(#26,#99,#3204,#3211),#90);
…IGNORE SHAPE CLASSIFICATION REPRESENTATIONS….
….more for body, terminal shape definitions etc….
…PMI would be included here….
….3D to 2D geometric relationship would be included here...
---Electrical function definition in a CAD library---
#511=PRODUCT('ECPU1C724MA5','VCAP',$,(#10200));
#512=PRODUCT_DEFINITION_FORMATION('26',$,#511);
#513=FUNCTIONAL_UNIT('1',$,#512,#28,'',$,*);
ignore details
---Electrical part definition in a CAD library---
--part definition has purchasable part numbers---
#508=PRODUCT('ECPU1C724MA5','VCAP',$,(#11516));
#509=PRODUCT_DEFINITION_FORMATION('26',$,#508);
#510=PACKAGED_PART('1',$,#509,#28,'',$,*);
#11213=PRODUCT_DEFINITION_RELATIONSHIP('','used package',$,#89,#510);
#11214=PRODUCT_DEFINITION_RELATIONSHIP('','implemented function',$,#513,#510);
ignore terminal binding for now. that is yet another graph that is mapped.
---PCA---
#37=PRODUCT('board-PCA','pca',$,(#11516));
#38=PRODUCT_DEFINITION_FORMATION('1',$,#37);
#46=(ASSEMBLY_MODULE_DESIGN_VIEW()LAYERED_ASSEMBLY_MODULE_DESIGN_VIEW()
PHYSICAL_UNIT()PHYSICAL_UNIT_NETWORK_DEFINITION()PRODUCT_DEFINITION('4',$,#38,
#28)PRODUCT_DEFINITION_SHAPE()PROPERTY_DEFINITION('assembly module',$,*));
#13294=SHAPE_DEFINITION_REPRESENTATION(#46,#48);
#48=SHAPE_REPRESENTATION('ppsm',(#26,#54,#562,#593,#603,#613,#634,#644,#654,#663,#672,#681),#47);
---application of an electrical part in a PCA---
NAUOR combines a product_definition_relationship and a NAUO into one entity type.
#17992=PRODUCT_DEFINITION_CONTEXT('part occurrence',#8333,'');
#557=PACKAGED_COMPONENT('C1',$,#509,#17992,'C1','definition usage',$,#510,*,'',$,*);
#558=NEXT_ASSEMBLY_USAGE_OCCURRENCE_RELATIONSHIP('C1','',$,#46,#510,'C1','',$,#557,*);
#564=PRODUCT_DEFINITION_SHAPE('',$,#558);
#562=CARTESIAN_TRANSFORMATION_OPERATOR_2D('','',$,#559,#560,#561,1.0);
#563=COMPONENT_2D_LOCATION(*,#564,'component 2d location',$,#91,#48,#562);
…PCB…
Separate product definition…
PMI is included here
Interesting bit is that the PMI included here is related to the PMI from the Package PMI above.
……..application of a PCB in a PCA……..
similar to electrical part example..
….footprint definition…
copper pattern and PMI template definition for a specific electrical package.
footprint can know it is for a specific package.
….application of a footprint in a PCB….
similar to electrical part example but complex due to layered product structure.
Footprint PMI is currently included in the PCB manufacturing documentation but IS defined in the CAD library Tool since the same
tool generates PCA, PCB product definitions. Of course it may be overwritten in the PCB definition or exist solely in the PCB definition.
On Jul 14, 2014, at 11:15 AM7/14/14, Martin Hardwick wrote:
>
> All,
>
> Since the last conference call there has been progress on two of the four projects:
>
> 1. ZIP Assembly
> a. We have corrected the URL links between the assembly components to include a third anchor for placement of the component
> b. We have added a new example showing how the rear quarter of the Humvee can be split and merged again
>
> See the README in ftp://www.steptools.com/private/P21e3_DIS_testing/ZIP_Assembly/ for more details
>
> You can find the source code for the programs that perform the split and merge at the following url: tinyurl.com/ThunderCode
>
> 2. Digital Signatures
> a. We have created an example to show how multiple counter signatures can be defined with additional PDM data between the signatures.
>
> See the README in ftp://www.steptools.com/private/P21e3_DIS_testing/Digital_signatures/ for more details
>
> Martin
>
>
> -------- Original Message --------
> Subject: [wg11] Meeting invitation: Part 21 E3 DIS testing
> Date: Fri, 27 Jun 2014 19:39:28 +0000 (GMT)
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> Reply-To: loffredo at steptools.com
> To: wg11 at steptools.com
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> Topic: Part 21 E3 DIS testing
> Date: Tuesday, July 15, 2014
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