Length of overbraid in Harness Builder
When placing overbraid or sleeving on a formboard drawing, Harness Builder automatically pulls the length from the symbol as a 1:1 drawing. However, we rarely use 1:1 drawings and need to assign a length to the placed overbraid/sleeving. Is there a way to do this such as how we use manufacturing length (rather than displayed length) of segments for wire/cable?
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Is it possible to have Harness Builder use the length information of overbraid components from anything other than the symbol length? Can it use the manufacturing length of the segment on which the overbraid is placed? Can it use any other attributes of the overbraid component?
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Cable protection components that have symbols with the "repeat" property can be placed on a segment via right-click menu from the component database tree. I would like to do this with overbraid components. The command shows up in the menu, but nothing happens.
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I'm not sure I fully understand what an overbraid is and how it is used. I use them in the device tree to contain a bunch of related wires for a harness assembly, but other than that, I don't understand what other features they may provide. The help file is a little light on detail here.
@Darryl, how are you using (or attempting to use) the overbraid feature?
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I am trying to define and place round braid wire such as AA59569R36S0250 in our drawings to use as cable shields and shield socks which connect cable shields to EMI backshells.
Apparently, when Zuken uses the term "overbraid" they mean something closer to a cable assembly (including cable protection devices and such) and less a simple braid-wire component.
So, if I want to create a simple round braid component that places on a schematic with shield symbols and places on a formboard drawing similar to cable protection sleeving, what type of device do I create in my database?
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So the thing that is difficult here is creating the connections to the shields in your schematic. If you could get by without showing the connection as part of the schematic symbols, you could create a "Standard Device" component in the database containing an "Attribute text template" type symbol with "Dynamic" selected. This is the same as we use for heat shrink. This allows you to play with placement and length and not being constrained by other corrugated tube or other things already on a particular path on a formboard.
In the example that follows, I am unable to fully handle the schematic connections you may be needing, but if you could just drop a symbol "over top" of the shielding path in the schematic, you may get visually enough to get by. The highlighted dashed line box symbol (3.5 inches wide) is the heat shrink (or potentially overbraid in your case). This box can be adjusted to whatever size is required width and length wise to make the view understandable from an assembly standpoint. The BOM quantity is reported (in my case because we are not 1:1) based upon the total of the "size" of the box (symbol) on the formboard (2") plus an additional "insertion length" (1.5). Not necessarily an elegant work around, but... it works.
It is understood you may not be able to "just get by" without the overbraid symbol actually taking part in the signal path in the schematic, but maybe this will get you (or others) thinking about potential work-arounds if there isn't a "correct" solution immediately available. I recall discussion recently on the forum regarding feed-through components... could this be an option here (the connection is a solder joint on both ends)? I've not used them yet.
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