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#54025 07/14/05 09:18 AM
Joined: Jan 2004
Posts: 615
J
Jps1006 Offline OP
Member
I think that's what it's called, ladder diagram. You know, the control wiring schematic that has the numbered lines down the one side and has each switch, load, etc. called out, and then referenced to the line number that shows another diagram.

Well, can someone explain how these are supposed to be read? It was explained to me once very quickly, and I have muddled my way through troubleshooting with one before, but I have a hard time seeing how what is on paper really relates to what I am looking at. Even a link or recommended book would be helpful.

#54026 07/14/05 11:48 AM
Joined: Sep 2001
Posts: 806
N
Member

#54027 07/14/05 02:15 PM
Joined: Apr 2004
Posts: 156
R
Member
I sent a PDF document direct to you. It may take a while due to my spam filter. Keep in mind that the drafting program has a lot to do with the layout and numbering systems. Logic diagrams (like PLC logic) are a whole nother animal.

Flow is left to right. Contacts are usually shown in the de-energized position.

#54028 07/15/05 03:02 AM
Joined: Oct 2004
Posts: 806
Member
Excellent link, NJwirenut!!


Stupid should be painful.
#54029 07/16/05 07:47 AM
Joined: Jul 2002
Posts: 8,407
Member
Good on ya Kenny!. [Linked Image]
Great link!. [Linked Image]

#54030 07/19/05 08:52 PM
Joined: Jan 2004
Posts: 615
J
Jps1006 Offline OP
Member
Hey guys, thanks for the replies. I just got back from vacation and have a ton of catch up, but am going to check out NJ's link a bit more carefully when I get a chance and Rad, I got your Email, thanks. Be expecting a few Q's as I browse over your example. Thanks again


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