Skip to Content

Register Login

Default Header

(header konnte nicht geladen werden)

Navigation

False RLO value in network

Created by: Oscar_83PL at: 8/18/2011 8:24 PM (6 Replies)

Rating (0)

Thanks 0

7 Entries

8/18/2011 8:24 PM	Rate (0)
Oscar_83PL Bronze Member Joined: 10/22/2008 Last visit: 9/4/2025 Posts: 377 Rating: (5)	Hello, Could toy explain me what us the reason even first in network STO is true the RLO is false? See the attachement for graphis description what I mean. I don't write about system used because I think it is not the clue of problem. best regards, Attachment RLO.JPG (161 Downloads)

Suggestion To thank Quote Answer

8/18/2011 9:23 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 8/31/2025 Posts: 6874 Rating: (1368)	Oscar_83PL Hello, Could toy explain me what us the reason even first in network STO is true the RLO is false? See the attachement for graphis description what I mean. I don't write about system used because I think it is not the clue of problem. best regards, Hello Oscar_83PL There is set of rules , you should follow the "Rules of entering LAD logic elements".I try to reconstruct your logic by following the rules ,but I could not observe the same phenomenon.You can upload the codes for clarification! Best regards Attachment LAD.zip (163 Downloads)
	Demo Channel on Youtube
Suggestion To thank Quote Answer

8/24/2011 10:27 AM	Rate (0)
Oscar_83PL Bronze Member Joined: 10/22/2008 Last visit: 9/4/2025 Posts: 377 Rating: (5)	Thats the point I have met the problem also first time. As You can see on attachement both comparision in parallel are the same but gives different solution on output of block.

Suggestion To thank Quote Answer

8/24/2011 11:06 AM	Rate (0)
Aret Posts: 2348 Rating: (265)	LAD "just" has buggy monitoring online view. Try to select another block - some lines may change their color
Aret Posts: 2348 Rating: (265)
Suggestion To thank Quote Answer

9/2/2011 3:24 PM	Rate (0)
Oscar_83PL Bronze Member Joined: 10/22/2008 Last visit: 9/4/2025 Posts: 377 Rating: (5)	I am sure it was not monitoring failure because despite true conditions the line was not giving true value at the end of branch.

Suggestion To thank Quote Answer

9/2/2011 3:34 PM	Rate (0)
umencho Diamond Member Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	Hello, If you "convert it" in FBD or STL? How is it behavior after? I am also for Aret's words: LAD "just" has buggy monitoring online view. Best regards, Hristo Mihalev

Suggestion To thank Quote Answer

10/11/2011 10:29 AM	Rate (0)
Oscar_83PL Bronze Member Joined: 10/22/2008 Last visit: 9/4/2025 Posts: 377 Rating: (5)	Funny thing. But it does not look as LAD convertion mistake. In attachement there is STL view. I am thinking all the time what could make the mistake in PLC. Attachment sup.JPG (128 Downloads)

Suggestion To thank Quote Answer

|

Share this page:

Share this page on...

Follow us on