SIMATIC S7, Micro Memory Card for S7-300/C7/ET 200, 3, 3V Nflash, 64 KB Feature,SpecificationMemory Size,2 MBMemory Type,Flash-EPROM (MMC)Compatibility,SIMATIC S7-300 / ET 200Write Cycles,"Min. 100,000"Data Retention,10 years after final writeDimensions,24 mm x 32 mm x 1.4 mm
Q: Can I format this card using a standard Windows card reader?A:No. Formatting an MMC in a standard Windows PC will destroy the internal internal system files, making the card unusable for the PLC. Only use a Siemens PG or the CPU itself for formatting.
Q: Is 2 MB enough for my project?A: 2 MB is a mid-range size. It is usually sufficient for medium-sized S7-300 projects with several blocks and moderate data logging.
Q: Will this work in an S7-1500?A: No. S7-1500 uses a different type of card called the SIMATIC Memory Card (SMC). This MMC is specifically for S7-300 and certain ET 200 modules.
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