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EAGLE User Support (English) divide signal wires in schematics
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Related

divide signal wires in schematics

k.portman
k.portman over 12 years ago

Hello.

 

Is there any way to open in 2 a signal wire in the schematics editor?

What I'm missing is a way to divide in two a signal wire in the

schematics editor and keep the original names. Dividing a signal wire in

two can be achieved by deleting a (joining) middle segment of the wire.

Though, what now happens (in Eagle 6.4.0 and earlier) is that the longer

wire segment keeps the original name and the shorter segment receives a

new name (like N$33). How it now works is a standard and well documented

Eagle behaviour.

 

But this behaviour does not cover all usage cases. Often there is a need

to move/reorganize signals and blocks in schematics sheets. In this case

it would be valuable to be able to "open" the signal wires but keep

their original names throughout. Maybe a "Control+Delete" on wires could

be introduced to delete a wire segment but not change wire names in case

of a split...or am I unaware of some already existing feature?

 

I am aware that you can delete a middle segment of a wire and then

rename back the shorter part. The BIG problem is that if there also

exists a (consistent) routed *.brd file the wire delete in schematics

will also ripup some part of the routed wire in *.brd.

 

All this could be done by 1) closing the *.brd file, 2) ignoring "F/B

Annotation has been severed!" warning, 3) deleting wire, 4) renaming

back the shorter part, 5) reopening *.brd file, 6) running ERC to verify

consistency. Much easier/quicker/safer if there existed a

"Control+Delete" on wires (or similar command) in schematics editor...

 

Regards,

Kim

 

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SPAMfighter has removed 193 of my spam emails to date.

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Top Replies

  • WarrenBrayshaw
    WarrenBrayshaw over 6 years ago in reply to segasonicfan +1
    As discussed previously , deleting a net wire from the middle of a net segment causes a number of events that need to be managed In the schematic the most obvious occurrence is that one of the resulting…
Parents
  • segasonicfan
    segasonicfan over 6 years ago

    Hi Kim,

    I completely agree.  I've been revisiting old schematics and cleaning them up is a PAIN.  I like your workaround of closing the .brd file and severing annotation, but there has to be a better way.

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  • k.portman
    k.portman over 6 years ago in reply to segasonicfan

    There is a way to separate schematics nets and keep the same (original)

    name on both nets. You don't need to close the brd file, nothing gets

    ripup'ed in brd and no inconsistensies are created.

     

    You can achieve this by doing the following:

    - in schematics page group-select a net segment in the position where

    you want separate that net

    - move this group to another schematic sheet (move command, mouse

    crtl-right, drag to another sheet)

    - you will see that the selected net segment is now moved to this other

    sheet

    - you also see that in the original sheet this net segment is now gone,

    leaving 2 separate net segments with same name, still referring to the

    same net, no ripup in brd, no inconsistency

    - you can now delete the small segment that was copied away to the other

    sheet.

     

    Kim

     

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Reply
  • k.portman
    k.portman over 6 years ago in reply to segasonicfan

    There is a way to separate schematics nets and keep the same (original)

    name on both nets. You don't need to close the brd file, nothing gets

    ripup'ed in brd and no inconsistensies are created.

     

    You can achieve this by doing the following:

    - in schematics page group-select a net segment in the position where

    you want separate that net

    - move this group to another schematic sheet (move command, mouse

    crtl-right, drag to another sheet)

    - you will see that the selected net segment is now moved to this other

    sheet

    - you also see that in the original sheet this net segment is now gone,

    leaving 2 separate net segments with same name, still referring to the

    same net, no ripup in brd, no inconsistency

    - you can now delete the small segment that was copied away to the other

    sheet.

     

    Kim

     

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Children
  • autodeskguest
    autodeskguest over 6 years ago in reply to k.portman

    KimP wrote:

    There is a way to separate schematics nets and keep the same (original)

    name on both nets. You don't need to close the brd file, nothing gets

    ripup'ed in brd and no inconsistensies are created.

     

    You can achieve this by doing the following:

    - in schematics page group-select a net segment in the position where

    you want separate that net

    - move this group to another schematic sheet (move command, mouse

    crtl-right, drag to another sheet)

    - you will see that the selected net segment is now moved to this other

    sheet

    - you also see that in the original sheet this net segment is now gone,

    leaving 2 separate net segments with same name, still referring to the

    same net, no ripup in brd, no inconsistency

    - you can now delete the small segment that was copied away to the other

    sheet.

     

    any idea how to use that from within a ULP without resorting to a

    temporary script file?

     

    I have found no way to get this sequence working from an ULPs exit

    command

     

         MOVE (>0 0)

         EDIT .s2

         (0 0)

     

    Similar problem with layer selection during the attributes command

     

         ATTRIBUTE

         LAYER layer

         partname attributename 'attributevalue';

    --

     

    Lorenz

     

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