6/2/2011 8:30 PM | |
Posts: 88 Rating: (0) |
Dear Mr Amit, I checked that address in cross reference and found it is used only once. The address is DB31. DBX 12.3 (signal from panel) |
6/3/2011 6:16 AM | |
Joined: 10/7/2005 Last visit: 9/23/2024 Posts: 3022 Rating: (1054)
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Hello Manoranjan there's plenty more ways that this bit could be "forced" to 1 from the program for example: - Overlapping access (if you use GoToLocation, make sure to tick this to find out if that's the case) - Indirect access - Blockmove related - Your HMI DB is an Instance DD and the bit is used symbolically inside the FB As Amit_86suggested, the easiest way for us to help you is if you would upload your S7 project here for evaluation. |
Cheers |
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