B&R Industries Provit 5000, Руководство пользователя, Страница: 360 / 400

Provit 5000 User’s Manual 359
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Technical Appendix • Technical Data for Hard Disks
6.2 Technical Data for the 6 GB Hard Disk 5A5001.05 and 5A5001.08
6.2.1 Reliability
Mean Time Between Failure (MTBF)
300,000 hours under the following conditions:
Operating time: max. 250 hours per month or 3000 hours per year
Working time (read or write accesses ): max. 20% of operating time
Model Number 5A5001.05 5A5001.08
Manufacturer’s Product ID Fujitsu MHK2060AT (customized)
Capacity 6.0 GB
Number of Heads 2
Number of Cylinders (User) 14.784
Number of Sectors (User) 11,733,120
Bytes Per Sector 512
Memory Methods 16/17 MTR
Track Density 24,300 TPI
Bit Density 383 kbpi
Revolution Speed 4,200 rpm ±1%
Access Time (Average) 7.14 ms
Positioning Time (Seek, Typical Values)
Minimum (Track to Track)
Average
Maximum 1.5 ms
13 ms
23 ms
Starting Time (0 rpm to Read Access) 5 seconds (typically)
Switch Off Time 5 seconds (typically)
Mounting Methods on the Adapter Card Rubber cushioned Fixed
Powersave The hard disk is shut down regardless of the IPC's power management settings,
if no access is made after 30 minutes.
Interface ATA-5
Data Transfer Rate
To the medium
To / from Host 12.5 to 22.3 MB/s
Max. 66.6 MB/s (Ultra-DMA Mode 4)
Cache 512 KB
Noise Level (Idle Mode) Approx. 30 dBA in a distance of 1 m
Vibration
Operating
Storage No non-recovered errors at max. 5 - 400 Hz and 1.0 G (9.8 m/s
2
0-peak)
No damage at max. 5 - 400 Hz and 5 G (49 m/s
2
0-peak)
Shock (pulse with a Sinus Half-wave)
Operating
Storage
No non-recovered errors at max. 150 G (1.470 m/s
2
0-peak) and 2 ms duration
No damage at max. 700 G (6.860 m/s
2
0-peak) and 2 ms duration
No damag at max. 120 G (1.176 m/s
2
0-peak) and 11 ms duration
Table 211: Technical data for the 6 GB Hard Disk