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to store symbol list in MMC

Created by: mailahmet at: 8/31/2010 9:21 AM (1 Replies)

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8/31/2010 9:21 AM	Rate (0)
mailahmet Posts: 27 Rating: (0)	hello friends.. Can symbol list be stored in MMC in S7-300. some times, I am forced when I make upload from plc because there is no symbol list, I dont understand where to control. is there any way?
mailahmet Posts: 27 Rating: (0)
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8/31/2010 8:42 PM	Rate (0)
UMENCHO Diamond Member Joined: 3/21/2006 Last visit: 7/12/2023 Posts: 10221 Rating: (1177)	Hello, Look at answer of our expert here - Wizard, which is from other similar thread. Wizard Hello elenercom, First off all this is important: When you download a programm to the PLC, it's stored on the MMC. So the MMC contains the programm without Symbols and Comments. So when CPU is working, there is a programm on the MMC!! It's possible to save other files on the MMC: http://support.automation.siemens.com/WW/view/en/15399111 And the complete programm, including Symbols and Comments: http://support.automation.siemens.com/WW/view/en/14053219 But the MMC should be large enough. When you use a password, it's only possible to read or write the MMC when you have password. Best regards, Wizard Hope this helps. Best regards, Hristo Mihalev

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