adccommunitymod (AutomationDirect) asked a question.
Created Date: March 07,2013
Created By: renhoek
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Hello, I have a strange problem with a do-more program. I have a do more attached to a C-more panel. I have several stages programmed one is a simple test stage where I close an X contact and then get a Y output to open. The problem is some of the X contacts are on and I cant get them to turn off. I can force them off but otherwise they stay always on. When I toggle a cmore button, I get no change in the x value. Can anyone suggest what is going on? The x values are not set anywhere in the program on any stages. Thanks
Created Date: March 07,2013
Created by: Bob S BN
When I toggle a cmore button, I get no change in the x value.
You should not be trying to control PLC inputs from the CMORE, whatever the physically wired inputs are doing will keep overriding, the PLC wins.
The CMORE should be writing to internal coils, ( "C " bits in the DL series, not sure about the DoMore). Then use these internal coil contacts to activate your outputs.
Hope this helps,
Created Date: March 07,2013
Created by: plcnut
As Bob alluded to: X's are the PLC inputs. You can't turn them on and off within the program, X's are turned on electrically by the terminals on the input cards.
Use the C-more to toggle C bits instead.
Created Date: March 07,2013
Created by: renhoek
Hello,
I have a strange problem with a do-more program.
I have a do more attached to a C-more panel.
I have several stages programmed one is a simple test stage where I close an X contact and then get a Y output to open.
The problem is some of the X contacts are on and I cant get them to turn off. I can force them off but otherwise they stay always on. When I toggle a cmore button, I get no change in the x value.
Can anyone suggest what is going on?
The x values are not set anywhere in the program on any stages.
Thanks