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how to handle datablock?

Created by: ALU at: 3/2/2009 9:15 AM (3 Replies)

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3/2/2009 9:15 AM	Rate (0)
ALU Posts: 35 Rating: (0)	Hi all, I have wrote user program in step7 and received data from non-siemens device via CP340 (rs485) to CPU314-2DP. The data stored in DB11 as attatched file. Any one who could help me to handle this data (guide me in LAD language pls) and how to display this data in WinCC. I use WinCC7.0 and successed to use tag bit with CPU300 already. Many thanks! Attachment data received.jpg (255 Downloads)
ALU Posts: 35 Rating: (0)
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3/2/2009 11:23 AM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 1/9/2026 Posts: 9104 Rating: (1202)	Dear ALU, Perhaps the following faq's might help you: http://support.automation.siemens.com/WW/view/en/22015649 http://support.automation.siemens.com/WW/view/en/27147567 Perhaps the followingmight help: http://support.automation.siemens.com/WW/view/en/8532078 Unfortunately you need an AVC card. Best regards, Wizard

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3/2/2009 12:20 PM	Rate (0)
SonicRanger Posts: 151 Rating: (8)	And Wizard, Is it possible to convert numbers in char or string format to integer or real. Orshoulda function with lots of compare'sbe made? Best Regards, SonicRanger.
SonicRanger Posts: 151 Rating: (8)
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3/2/2009 12:41 PM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 1/9/2026 Posts: 9104 Rating: (1202)	SonicRanger Is it possible to convert numbers in char or string format to integer or real. Orshoulda function with lots of compare'sbe made? Hi, You can use IEC functions, see this link: http://support.automation.siemens.com/WW/view/en/10913338 And perhaps this link: http://support.automation.siemens.com/WW/view/en/6183517 Best regards, Wizard

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