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Re sizing PLC Modules

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Category: EN
Forum Name: CAD - general
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URL: https://www.cadforum.cz/forum_en/forum_posts.asp?TID=7125
Printed Date: 05.Jul.2026 at 01:30


Topic: Re sizing PLC Modules
Posted By: adrian_mcdonnel
Subject: Re sizing PLC Modules
Date Posted: 05.Jan.2012 at 15:52
Hi,
  I have inserted various PLC modules in Autocad electrical and would like to resize them as i am running out of space. I realize that in order to do this have have to change the rung distances which i know how to do for the drawing or the project but i don't know how to change when i have already inserted the module. I can insert a complete module at the correct size but that would mean starting again.
 
 
Thank
Adrian


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A McDonnell


Replies:
Posted By: John Connor
Date Posted: 05.Jan.2012 at 18:17
Are you attempting to change both the rung spacing AND the size of a PLC module in an existing drawing?

You are aware that there is the ability to insert a PLC using full units and a second option that allows you to insert a PLC parametrically. Each I/O point is a block inserted on a rung of an existing ladder.  This command adjusts the spacing between I/O points to meet the rung spacing.

Look on the Schematics tab > Insert Components panel.  They are labeled as such:

Insert PLC (Parametric)

Insert PLC (Full Units)


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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

<<AutoCAD 2015>>

Posted By: adrian_mcdonnel
Date Posted: 05.Jan.2012 at 18:44
Hi John,
  Thanks for your reply, i am aware of the two different types of PLC inserts and that when using the PLC Parametric it allows you to choose the rung distance between each I/O. But i am trying to change this distance on an existing PLC module because ( for example) i have used a 32 Dig in module and each rung is 10 and this was ok until i reached Input 25 which uses the symbol (Limit switch NC Cam driven) and this symbol is a lot higher in the vertical plane so therefore i would like to increase the distance between rungs so i can keep all the schematic symbols aligned. The only way i can think off is to use the block editor to move the I/O points but would have thought there would be a way to adjust the rung spacing on an existing module.
 
 Hope this all makes sence.


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A McDonnell

Posted By: John Connor
Date Posted: 05.Jan.2012 at 20:00
But if you do that then every instance of that block in your drawing would be changed as well.  Is that OK with you?


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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

<<AutoCAD 2015>>

Posted By: adrian_mcdonnel
Date Posted: 06.Jan.2012 at 09:13
I don't see an alternative other than delete the module and re insert with new settings. I am surprised that there is not a function where you can change the rung settings and then select wich modules you want to update with the new settings.

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A McDonnell

Posted By: John Connor
Date Posted: 06.Jan.2012 at 11:51
You might try posting your question at the AutoCAD Electrical group on the AutoDesk website.

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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

<<AutoCAD 2015>>


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