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S7-200 memory card data log + receipe simultaneously

3/23/2010 8:23 PM	Rate (0)
ionut.b Bronze Member Joined: 1/17/2007 Last visit: 10/6/2020 Posts: 289 Rating: (3)	Can I make use of both data log and receipe functions simultaneously on s7-200 memory card? Thank you.

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3/25/2010 9:38 AM	Rate (0)
Helmut_13 Posts: 2930 Rating: (432)	Yes, you can.
Helmut_13 Posts: 2930 Rating: (432)
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3/25/2010 11:40 AM	Rate (0)
ionut.b Bronze Member Joined: 1/17/2007 Last visit: 10/6/2020 Posts: 289 Rating: (3)	Thank you Helmut. I stil have one more question about memory card. What is the life for the memory card; how many write opperations it supports? I am thinking of a write subroutine at a certain time interval.

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3/25/2010 12:38 PM	Rate (0)
Robster Gold Member Joined: 5/28/2008 Last visit: 9/17/2025 Posts: 1344 Rating: (141)	Quote from manual page 371: The EEPROM used in the memory cartridge will support a limited number of write operations. Typically, this is one million write cycles. Once this limit has been reached, the EEPROM will not operate properly. Make sure that you do not enable the RCPx_WRITE instruction on every scan. Enabling this instruction on every scan will wear out the memory cartridge in a relatively short period of time. regards

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3/25/2010 1:33 PM	Rate (0)
ionut.b Bronze Member Joined: 1/17/2007 Last visit: 10/6/2020 Posts: 289 Rating: (3)	Thank you Robster.

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