CFMC256M 256 MB CompactFlash Speicherkarte


Die CFM256 ist eine CompactFlash Karte mit 256MB und Industriestandard. Sie kann mit dem CFM100, NL115 oder CF1 verwendet werden, um den Speicher eines Loggers zu erweitern oder Daten und Programme zu transportieren. Die Karte kann auch Bilder der CC5MPX oder CC640 Kamera speichern. 

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Technische Beschreibung

A PC can read/write data stored on the CFMC256M by using either the CF1 CompactFlash adapter or the 17752 Reader/Writer.


Manufacturer FMJ
Card Type Industry standard Type I CF form factor
Storage Capacity 256 MB
Card Format FAT32
Operating Temperature Range -40° to +85°C
Storage Temperature Range -50° to +100°C
Compliance RoHS compliant
Dimensions 4.28 x 3.64 x 0.33 cm (1.69 x 1.43 x 0.13 in.)
Weight 10 g (0.35 oz)

Kompatibel mit

Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.


Product Compatible Note
CR200X (retired)
CR216X (retired)
CR5000 (retired)

Additional Compatibility Information

Card Format

Currently, the CFMC256M is formatted as FAT32; our contemporary dataloggers require this format for the card to work as expected. Cards purchased before August 2008 were formatted as FAT16. Our CC640 camera (retired), the CR9000 dataloggers (retired), and CR5000 dataloggers with older operating systems need the FAT16 format. A card formatted as FAT32 can be reformatted as FAT16.

FAQs für

Number of FAQs related to CFMC256M: 6

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  1. With OS 7 or greater and the TableFile() instruction with Option 64, CompactFlash cards greater than 2 GB can be used. For more information, see the “A Better Way to Write High-Frequency Data to 16 GB and Smaller CF Cardsapplication note.

  2. Save the data to a CompactFlash card. Transfer the data from the CR5000 to the PC by removing the card from the CR5000 and inserting it into the PC.

  3. Using the FileControl() instruction, the .dat files can be retrieved directly from the memory card. When data is collected by the standard method (not as downloaded files, but as streamed data) with a GetData() or similar instruction, the memory card is automatically used as a source of records to be returned when the internal CPU table no longer contains the oldest data. These records can be retrieved simply by using their record numbers.

  4. With operating system 25 or greater, the CR3000 works with CF cards in sizes up to 16 GB using the TableFile() instruction and TFOption 64. For earlier versions of the operating system, the largest compatible CF card size is 2 GB.

    For more information, see the “A Better Way to Write High-Frequency Data to 16 GB and Smaller CF Cardsapplication note.

  5. The most reliable method of formatting a CompactFlash (CF) card is to format it using a PC and specifying FAT32.

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