Panel drawing

Panel drawing

vasiqshair
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Message 1 of 15

Panel drawing

vasiqshair
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This is my first attempt at a panel drawing and so far I have got the PLC rack, terminal blocks, and interposing relays on there. See attached drawing for reference. I am working in ACADE 2018 but saved the drawing as '13. My questions are:

 

1. Why are wire numbers being shown twice in terminal strips TB1-A, TB2-A and TB02-B? L1 and N are being repeated (separated by a semi-colon) on the left side of the strip.

 

2. How do I convey to the person building the panel that all terminals in strip TBC-D are jumped? This is the neutral strip of the panel. I don't think the jumper tool in ACADE actually puts a physical jumper on the terminals.

 

3. As for the interposing relays, is there a tool similar to Terminal Editor that adds all the relays used in the project at once? I had to place each relay individually. Also, is there another symbol for the relay that isn't just a rectangle?

 

Thanks  

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Message 2 of 15

jseefdrumr
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OK lots to unpack here. Go grab a coffee, lol

 

1. I'm not 100% sure on this one, but I'm thinking that these terminals will have more than wire attached to them in the schematic. However, I can't be sure. Check your schematics and make sure that you're not double-landing any wires on them. If that's not the problem, can you post one of the drawings that has a problem terminal in it?

 

2. Two ways to handle this one. First, just put in a note that says something along the lines of 'THOU SHALT JUMPER ALL OF THESE THINGIES". Second, you could just draw a graphical jumper over top of the terminal strip after it's generated. BUT!!!! Please see the note below about your terminals, and your wish to jumper everything in that one strip.

 

3a. (I'm splitting #3 into two answers.) You can insert multiple footprints at once, if you are inserting them from the schematic list. (This is the only workflow that I use for drawing panel builds, so my advice is pretty one-sided here.) To do this, Go to Panel>Insert Component Footprints>Schematic List. This command pulls up all of the components and devices in your schematics, gives you a list, and then allows you to place the footprints. When you select multiple components, you're given the option of selecting where each one goes, or to input a certain set distance. That second option will put them all in a straight line, left to right, at whatever distance you tell it. (I'm willing to bet that if you put in a negative value here, it will lay them out right to left, but I've never actually tried it.) I keep a list of 'footprint spacings' just for this purpose. If I'm about to put in a bunch of circuit breakers, for instance, I'll pull up my little document, see what the spacing is for that component, and then type it into the box. I've laid out 48 inches worth of circuit breakers at once like this. But I'm not sure if there is any other workflow that will do the same thing.

 

3b. And as for footprints that aren't just plain rectangles...well, you can draw whatever you want, and then there is a tool that will add that to the Footprint Lookup Database. The basic workflow is this: *Draw the new footprint; *save it as a dwg in your AeData folder; *use the editor to assign your new footprint's dwg to the part number; *insert the new footprint. There's more to know, I added a little bit of that below. The editor tool is found at Panel>Other Tools>Footprint Database Editor.

 

Now for extra info and notes:

First, on jumpering that entire terminal strip: Jumpering forces all the terminals to carry the same electrical signal. But in that strip, you appear to have a different signal (or, if you prefer, wire number) on each terminal. Without knowing more about your schematics, it's impossible to say. But from where I sit, there is something here that isn't right. Usually if you're jumpering terminals they have the same wire number.

 

Next, your terminal footprints: The ones in your drawing are the 'default' terminal footprint. It probably is NOT the same size as Automation Direct terminals that you're using. (Actually, you only have the part number assigned to a few of the terminals. But whatever part numbers they are, the default terminal footprint isn't likely to be the same size.) Size is especially important for terminal blocks. You could find that the vertical space you reserved for terminal strips isn't enough because in real life they happen to be 0.375" wide instead of the 0.250" that they are drawn at.

 

You should consider creating a footprint for each part number you use, unless one already exists. These will have to be added to the Footprint Database using the editor. This goes for every component, not just terminal blocks.

 

Footprints in general: Having good footprints is, IMHO, one of the most important and one of the most overlooked aspects of using ACADE. I'm constantly surprised at how many people are satisfied with empty little rectangles. We make our panel drawings as realistic as they can be. I download models or other CAD files from the manufacturers and base my footprints on them. Sometimes I have to draw them based on a dimension drawing I found in a PDF. Regardless, at this point, I use exactly zero of the out-of-the-box footprints. They all suck, and most of them don't have wipeouts. To me, every footprint should have a wipeout to hide the DIN rail, and they should all look more or less like the component they represent.

 

I'd recommend these guidelines when creating footprints:

*consider your plot size. If you have to frequently represent a 72" tall control panel on an 11x17 sheet, like I do, then you're not getting much fine detail into your footprints. Remove unnecessary linework to prevent blurry crap from ending up in your layout print.

*always make your base point in the footprint 0,0,0.

*always run PURGE after you draw the footprint to remove any unnecessary objects.

*for ACADE footprints, I would put everything in the footprint onto Layer 0.

 

I attached dwg's of two of my panel layouts, without title blocks. Feel free to use anything in there in your own stuff.

 

Hope this helps,

Jim



Jim Seefeldt
Electrical Engineering Technician


Message 3 of 15

vasiqshair
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"THOU SHALT JUMPER ALL OF THESE THINGIES". I laughed out loud :))))

 

You mentioned some very important points. Main among them is sizing the footprint of the components close to the real modules. That way I have a pretty good idea of how much panel space I need. Word. 

 

By the graphical jumper you mean simply using the Wire tool to draw wires across each terminal? 

 

I have attached the schematic with the terminal strips TB1-A and TB2-A. I tried deleting the terminals and then added them back again to see if that would fix it...but it's still the same. 

 

Your panel drawings are neat. I am assuming the manufacturer's website had the footprints for the VFD's, transformers, etc. because they look very detailed. Same with the wireways I guess.  

 

In the meantime, I'll play with the multiple footprint insert and see where I go with it. 

 

Thanks,

Vasiq

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Message 4 of 15

Icemanau
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What @jseefdrumr means by 'graphical jumper' is just another footprint block inserted over the top of the terminal blocks. I've attached a couple of such blocks (Weidmuller brand) I use as an example.

 

As for the duplicate wire numbers, it looks like the TSE has found two connection to the terminal on those sides. This could come about due to the wire sequencing not working properly. Sometimes the wire sequencing sets looped wires as 'Direct to Terminal'. This means that each wire goes back to the terminal in a star configuration rather than daisy chaining from component to component.

 

Another probable cause for the duplicated wire numbers is that you have drawn a wire jumpering all those terminals and the TSE is showing those wires between the terminals. If you are going to show a jumper on the schematic in this manner, you need a wire layer called JUMPERS to place them on. ACADE treats this wire layer differently from the others as it does not show up in the TSE like a normal wire does.

 

@jseefdrumr has also pointed you in the correct direction for the relay footprints. Depending on the catalogue number selected, there may only be a blank rectangle supplied for a footprint. I have come across a couple of relays that had more out of the box but most footprints require the user to modify or create them.

 

Regards Brad

>

Brad Coleman, Electrical Draftsman
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Message 5 of 15

vasiqshair
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I did not jump the terminals. They were added to the ladder using AEMULTI. So I'm assuming to fix this, I am going to have to delete the ladder and the terminals, and then re-apply them since TSE is seeing each rung as two wires overlapped on to each other? I have a feeling if I give this drawing to the shop, I am gonna see "L1;L1" and "N;N" wires all over the place 🙂

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Message 6 of 15

Icemanau
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That explains the double wire numbers. The TSE is seeing a wire coming in and then going out on each terminal.

There are two ways to fix this easily...

 

If the terminals are on the wire joint, just create the JUMPERS layer and add it to the Wire Layers.

Then just convert all the wire sections between the terminals to the JUMPERS layer.

 

If the terminals are in from the ladder bus, then its a similar deal, you just draw a wire (using the JUMPERS layer) from the first terminal to the last terminal. Then use the Trim Wire command (hit C and then Enter to rubber band the wires) to remove the segments that are not needed.

 

As for seeing L1;L1 everywhere, I'd be inclined to put a note on the dwg that states that the ';' is a separator between two separate wires and not actually part of the wire number.

 

Regards Brad

 

 

>

Brad Coleman, Electrical Draftsman
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Message 7 of 15

jseefdrumr
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Thanks for chiming in, Brad. It's nice when someone on the other side of the world can pick up for me when my work day ends! Thanks also for clarifying the issue with how double wire numbers can happen.

Vasiq, if you're still having trouble, can you post a dwg of one of your schematics? Choose one with these terminals in them so we can see how they're wired.

Jim



Jim Seefeldt
Electrical Engineering Technician


Message 8 of 15

robert_creel
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As a side note to what Brad said, ACAD will take a look at how many terminals you have in the ladder, and depending on the wire per side parameters of the terminal block; it will populate accordingly-----i.e.--if you have a terminal with 4 connections, you could see L1;L1;L1;L1. The program will also ADD terminals to the TSE if your calculated wiring connections exceed the terminal you have purposefully inserted.

JUMPERS layer is your friend.

 

Don't know if it is possible, or applicable in your case; I wire my own panels, so I have my wires color coded in each layer---I print the schematic in color, so it is easy to see if that JUMPER is a bar, or a separate wire between components.

Message 9 of 15

testsubject
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@robert_creel wrote:

As a side note to what Brad said, ACAD will take a look at how many terminals you have in the ladder, and depending on the wire per side parameters of the terminal block; it will populate accordingly-----i.e.--if you have a terminal with 4 connections, you could see L1;L1;L1;L1. The program will also ADD terminals to the TSE if your calculated wiring connections exceed the terminal you have purposefully inserted.

JUMPERS layer is your friend.

 

Don't know if it is possible, or applicable in your case; I wire my own panels, so I have my wires color coded in each layer---I print the schematic in color, so it is easy to see if that JUMPER is a bar, or a separate wire between components.



When adding the wire color/gauge labels to the wires on the schematic I also do the jumper bars (called appropriately JMPR-BAR)



Bob Hanrahan
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Message 10 of 15

vasiqshair
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I know I have already marked this post as 'solved', but I am still working through some things that were discussed here. Your answer was quite informative and steered me in the right direction as I now know which tools I should be using to achieve what I want to do. 

 

In regards to inserting multiple footprints, I noticed that inserting footprints using Schematic List isn't quite like inserting components using AEMULTI. It prompts for Catalog data for every footprint it inserts. It is undoubtedly a useful tool, I just feel the tool could be more productive if it just prompted the user for catalog data once and copied that over for rest of the footprints. I suspected that the 'Suppress edit dialog and prompts' checkbox would do the trick but it doesn't seem to do anything.

 

Thanks

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Message 11 of 15

jseefdrumr
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If you are inserting footprints from the Schematic List, and the command is prompting you to enter the catalog information for each instance, then this means that the catalog info wasn't put into the schematic symbol either. The Schematic List option is intended for drawing panels when data already exists in the schematic.

Adding the catalog info has to be done at some point, so you'll have to decide whether it's best for you to do that in the schematics or in the panels. What I've been describing so far has been from the viewpoint of drawing schematics first, then creating panel drawings. The majority of others that I have worked with in this software follow the same general workflow. Typically, the catalog info already exists in the schematics before panel drawings are made.

The suppress dialog and prompts option is actually a huge time saver, because if you have the catalog data in your schematic symbols, then seeing it during footprint insertion becomes a waste.

With that said, there's certainly nothing wrong with drawing the panels first, and then drawing the schematics. ACADE can support either workflow. However, be aware that there may be some commands that are better suited to working in this 'direction'. For instance, inserting from schematic list is a bad choice for panel drawings if they are being made before the schematics.

Hope this helps,
Jim


Jim Seefeldt
Electrical Engineering Technician


Message 12 of 15

vasiqshair
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That worked. Thanks. 

 

Also, I started working with the footprint database editor to attach the symbol of an AB terminal block relay to its catalog part #. It worked but my scale seems off. I double checked the units in both drawings are set to inches. Attached you will find a dummy drawing that shows how gigantic the relay is compared to the rest of the drawing. 

 

I'm working in ACADE'18 

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Message 13 of 15

jseefdrumr
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If you downloaded the blocks from the Allen-Bradley website, you'll have to scale them down. They set their drawings to inches, but then draw to metric lengths. So a 25mm long object comes in at 25 inches instead. For the vast majority of blocks that you download from AB Rockwell, this will be the case. To fix, simply scale the graphics by a factor of 0.03937.

In general, I always double check CAD files that I get from manufacturers. Their quality is hit-or-miss much of the time. Remember, it's not likely that a whole lot of effort goes into these. Sometimes, they provide a 3D file when all you need is 2D. There's always something. So I always pick a dimension that I got from the product description, or from a PDF, and then measure that same dimension in the drawing to see what's up.

Hope this helps,


Jim Seefeldt
Electrical Engineering Technician


Message 14 of 15

vasiqshair
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Roger. It is a hit or miss. One of the projects I worked on, I ended up making all the component symbols. Most of what I found was 3D parts from third party websites like grabCAD. 

 

But yeah, I wasn't sure if it was something with my drawing settings that made the relay look so big.

 

Thanks 

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Message 15 of 15

robert_creel
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you can get AB terminal blocks dwg.---1492 series-- from Weidmuller---they are the actual manufacturer;

more detail, less problems