Jump to content

Problem with logic set or coil


Recommended Posts

Hello 

I am just starting but I have problem with logic

I try many times but I can't  make logic working the coil is always not set.

At test mode you can see red line does not go  through  coil and on controller no out put led indication. 

How ever if I force output I can see change on controller  led indication 

1524585434024-832089933.jpg

Link to comment
Share on other sites

  • MVP 2022

Your logic says either I 48 or MB 48 must turn on to latch O 48. If you are activating either of those bits and O 48 is not coming on then you have one of two things occurring:

1) An O 48 coil is elsewhere in the program and is being turned off, or

2) This logic is in a subroutine and the subroutine is not being called by the Main routine.

  • Like 1
Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...