CAD Forum discussion (EN) : Analog PLC I/O symbols? https://www.cadforum.cz/forum_en/ Mon, 06 Apr 2026 06:20:19 +0000 Tue, 17 Feb 2009 23:23:14 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 https://www.cadforum.cz/forum_en/RSS_post_feed.asp?TID=1690 <![CDATA[CAD Forum discussion (EN)]]> https://www.cadforum.cz/forum_en/forum_images/web_wiz_forums.png https://www.cadforum.cz/forum_en/ <![CDATA[Analog PLC I/O symbols? : I don&#039;t know the correct...]]> https://www.cadforum.cz/forum_en/forum_posts.asp?TID=1690&PID=4629&title=analog-plc-i-o-symbols#4629 Author: JAZZNSKA
Subject: 1690
Posted: 17.Feb.2009 at 23:23

I don't know the correct drawing symbols to use for ANALOG I/O devices. I'm generating some documentation of our PLC setup, I'm very familiar with DIGITAL I/O, and I've got a good CAD library of DIGITAL I/O devices (Pressure switches, relay coils, etc), but now I have to draw in some pressure and level sensors, and valve positioners, and I'm not sure what the symbols should look like?
Can anyone provide some examples, or point me to a website with some examples?

Thank you

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