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DB call shanging itself to indirect address with compiler error

9/22/2021 10:36 PM	Rate (0)
MattyFace Member Joined: 9/22/2021 Last visit: 10/27/2023 Posts: 1 Rating: (0)	I have a Function block for controlling clamps that uses DB calls as outputs for some functions. Every now and again when a change is downloaded we get a compiler error that is related to the function block, two of the outputs have been changed automatically from i.e. db251.dbx15.1 to P#db251.dbx15.1 bool 6. I know this is the indirect address but the compiler will not accept the address as such and we have to go through every clamp block in the FC and delete the P# and bool 6 to get it to download. Anyone know what could cause this change to happen?

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9/24/2021 10:33 AM	Rate (0)
Cicero Platinum Member Joined: 10/10/2005 Last visit: 1/29/2025 Posts: 1940 Rating: (138)	Hello MattyFace, it could be a time stamp conflict by your changed FBs and FC. I recommend to make the block-consistency and compile the complete STEP 7 program. See the information of the FAQ in this case: How do you perform a block-consistency check following changes in the STEP 7 program? https://support.industry.siemens.com/cs/ww/en/view/5416540 With best regards Cicero

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