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How to keep data value in new database

Created by: ha-vt at: 5/9/2010 1:31 PM (1 Replies)

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5/9/2010 1:31 PM	Rate (0)
ha-vt Posts: 16 Rating: (0)	Dear all! I'm programming on STEP7, I have a problem, can you help me! My problem: I copy and remane 1 DataBlock (i call DB: A) to new DB (i call DB: B). And I change "inital value" in DB: B. After I download (entire program) to PLC, and online to PLC. I see all data in DB: B still keep "inital value" in DB: A. I don't know why? Please help me! I need all data in DB: B are "inital value" in DB: B. Thank you!
ha-vt Posts: 16 Rating: (0)
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5/9/2010 9:15 PM	Rate (0)
umencho Grandmaster Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	Hello, Perhaps What does the terms Initial value (declaration view), Initial value (load memory) and Actual value mean in data blocks when a controller is loaded / restarted? and What is the significance of the initial and actual values of a data block? could help. Best regards, Hristo Mihalev

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