AutoCAD Electrical General Discussion

AutoCAD Electrical General Discussion

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Contributor
mgerbasio
Posts: 19
Registered: ‎06-18-2010
Message 1 of 5 (856 Views)

Twisted Pair Problems

856 Views, 4 Replies
03-29-2012 02:53 PM

Hi,

I'm trying to create a wiring detial for filed installed componets connected by twisted pair (non-shielded) cable. Typically the cable is shown as, for lack of a better word, braided. I can't seem to find a way to create this with AutoCAD Electrical. The best I could come up with is using the wire marker. The symbol is fine but it seems the spacing between conductors is fixed also it only adds one marker symbol where I'd like this along the length of the cable.

 

I'm hoping someone can point me in the right direction. I did a google search but came up empty. Thanks.

*Expert Elite*
Icemanau
Posts: 1,064
Registered: ‎06-01-2010
Message 2 of 5 (854 Views)

Re: Twisted Pair Problems

03-29-2012 03:22 PM in reply to: mgerbasio

There is a dynamic block under Miscellanous->Shields (non intelligent) just for twisted pairs. It automatically adjusts for the wire spacing. All you need to do is select the first wire and then the direction to the second wire.

 

I show this symbol near each connection point when I need to do a twisted pair.

 

I have seen dwgs with the two wires lookinig like a braid, but that would be very time consuming to do manually and I don't know of any way to have ACADE do it automatically.

 

Regards Brad

Icemanau (NNTP handle: Brad Coleman)


Contributor
mgerbasio
Posts: 19
Registered: ‎06-18-2010
Message 3 of 5 (840 Views)

Re: Twisted Pair Problems

03-30-2012 06:05 AM in reply to: Icemanau

Thanks. I didn't see that one. The brading isn't such a big deal as I can use fan in/out with the symbol at the end. I'm not sure this is an industry standard symbol and I think it would have been better to have made the other twisted pair symbol dynamic.

New Member
ham12ish
Posts: 1
Registered: ‎04-03-2012
Message 4 of 5 (806 Views)

Re: Twisted Pair Problems

04-03-2012 05:04 PM in reply to: mgerbasio

I do exactly as you suggested myself and it seems to do the trick.

 

David

New Member
DanSteves7940
Posts: 1
Registered: ‎05-22-2012
Message 5 of 5 (715 Views)

Twisted Pair - IEEE symbols - AutoCAD Electrical 2013

10-05-2012 12:17 PM in reply to: mgerbasio

I finally got around to using IEEE symbols on a new project I started this week. I was attempting to insert a horizontal parent twisted pair cable, and found that the second conductor of the automatically-built symbol had no wire ID. After a little digging I discovered that the hw02_2.dwg block in the IEEE symbol library is missing several attributes, most notably the RATING1 attribute (which is where the conductor ID gets written). The vertical twisted pair command works fine.

 

My fix was to copy the missing attributes from vw02_2.dwg and paste them into hw02_2.dwg.

 

 

Dan Steves
Senior Electrical Engineer
Albany International Corp.
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