5A5001.08 B & R Automation
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The B & R Automation 5A5001.08 is a 2.5 inch hard disk with a storage capacity of 6 GB and a rotational speed of 4,200 rpm. Belonging to the 5A5 Hard Disks series, it uses a single disk and provides a buffer size of 512 KB. This fixed mounting drive features a host transfer rate of 66.6 MB/s and operates with a supply voltage of 5 V.
Internal Product Review
The 5A5001.08 is a B & R Automation hard disk with 6 GB storage capacity and an ATA-5 interface. A 4,200 rpm rotational speed paired with 7.14 ms average latency supports steady data access in legacy industrial systems. Fixed mounting and a 66.6 MB/s host transfer rate make the unit a dependable choice for compact machine control storage.
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Product Description:
The 5A5001.08 hard disk is produced by B&R Automation as part of the 5A5 Hard Disks series. Within an automation node, it serves as the mass-storage element that records event logs, batch parameters, and operating system images used by motion controllers and HMI stations. Because the drive is magnetic rather than solid-state, it offers deterministic overwrite capability that some process-validation standards still require, and its electronics are designed to withstand the electrical noise present inside control cabinets.
In normal service, the drive provides 6 GB of addressable space arranged in sectors of 512 bytes. The platter turns at 4,200 rpm; together with 14,784 cylinders, this mechanical rate governs sustained read streams for data collection tasks. Host systems can pull blocks at up to 66.6 MB/s, a rate negotiated over the ATA-5 bus, while each rotational half-turn contributes to an average latency of 7.14 ms before the required sector is under the head. A 512 KB buffer caches frequently used file headers and directory entries, smoothing burst transfers and limiting unnecessary seeks, which extends head life in continuously running packaging or printing lines.
The drive draws 5 V ±5% from the system backplane, so it can share the same regulated rail that feeds logic ICs without a step-down converter. Its compact 2.5 in form factor and single-platter construction reduce inertia, letting the rotary VCM relocate the two heads quickly while containing acoustic noise. Areal efficiency reaches 383,000 BPI along the track and 24,300 TPI laterally, figures that translate to multi-gigabyte capacity on only one disk. Fixed mounting protects the spindle from shock transmitted through machine frames, and the sector scheme simplifies checksum algorithms used by the controller’s error-recovery routines.
