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Bug with SD Card !!!!

3/26/2012 2:59 PM	Rate (0)
Pump Posts: 6 Rating: (4)	Hello, I don't understand something, When i check my "Program info" i need more "Retentive Memory" so i want to Switch with a 2MB SD card but i don't know how to specify this.... in the column "Load Memory" i can select 1Mb 2Mb or 24Mb but it doens't work too... Thanks in advance and excuse my english... Attachment 1147432095.jpg (347 Downloads)
Pump Posts: 6 Rating: (4)	Last edited by: O_Moderator at: 3/27/2012 1:50 PM picture transferred to attachment
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3/26/2012 3:30 PM	Rate (0)
Ganes10 Platinum Member Joined: 8/31/2010 Last visit: 2/8/2025 Posts: 1524 Rating: (231)	Pump Hello, I don't understand something, When i check my "Program info" i need more "Retentive Memory" so i want to Switch with a 2MB SD card but i don't know how to specify this.... in the column "Load Memory" i can select 1Mb 2Mb or 24Mb but it doens't work too... Thanks in advance and excuse my english... Attachment:1147432095.jpg (1 Downloads) Hello Pump, The retentive memory is 2KB for all CPU 1211C, CPU 1212C and CPU 1214C. I fear if the the retentive memory is expandable or not.
	Last edited by: O_Moderator at: 3/27/2012 1:51 PM Like it? Rate it!
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3/26/2012 3:42 PM	Rate (0)
umencho Diamond Member Joined: 3/21/2006 Last visit: 3/17/2025 Posts: 10239 Rating: (1183)	Hello, The max. retentive data 2048 byte. Storage data in PLC S7-1200 Best regards, Hristo Mihalev

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This contribution was helpful to 1 thankful Users Tomy Master

3/27/2012 12:29 PM	Rate (0)
Denilson Pegaia Platinum Expert Joined: 9/23/2005 Last visit: 3/14/2025 Posts: 4406 Rating: (1475)	Hi, The SD card is related just wit load memory. It has no direct relationship with work memory or variables retentivity. Indirectly, you can save DB (with they values) in the SD card with READ_DBL, WRIT_DBL instructions.
	Denilson Pegaia Siemens Industry Sector Technical Support
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