5CFCRD.0256-03 B & R Automation
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The B & R Automation 5CFCRD.0256-03 is a CompactFlash Type I card from the 5CF Compact Flash Cards series with a storage capacity of 256 MB and uses SLC flash technology. It features an ATA/IDE interface, typical read and write speeds of 8 MB/s and 6 MB/s, and has a weight of 11.4 grams. Data reliability is rated at less than one error per 10^14 bits read, and the card has a mean time between failures of over 4,000,000 hours at 25°C.
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Product Description:
B & R Automation manufactures the 5CFCRD.0256-03, a memory module in the 5CF Compact Flash Cards series. This CompactFlash Type I card gives programmable logic controllers, operator terminals, and IPCs a removable storage medium for firmware, recipe, and log data while preserving the rugged format needed in industrial automation environments. By using a solid-state design, the card withstands vibration and temperature changes better than rotating media and fits directly into compatible controller slots.
The card holds 256 MB of user-accessible space on an SLC flash array that supports rapid overwrite without the endurance loss seen in multi-level devices. Its NAND structure is identified as SLC, a format that stores one bit per cell to increase endurance and data retention. Communication with the host occurs through an ATA/IDE interface, so legacy drives can address the card as a fixed disk without additional drivers. Sequential access reaches 8 MB/s when reading and 6 MB/s when writing, which is sufficient for boot images and high-frequency log capture. With a profile height of 3.3 mm and a width of 42.8 mm, the Type I outline lets the card fit flush in standard front-loading slots and behind sealed panel doors.
Reliability is established through more than 2,000,000 erase/write cycles per block and an operational mean time between failures exceeding 4,000,000 h at 25 °C. Built-in ECC corrects single-bit errors, contributing to a raw data integrity of better than <1 error per 10¹⁴ bits read. Static wear leveling evens cell usage so high-duty files do not prematurely exhaust individual blocks. The card weighs only 11.4 g, minimizing connector stress in mobile or vibration-prone installations while maintaining consistent retention over the full 36.4 mm card length.
