Technical data
14.1 General specifications
SIMATIC Rack PC 847B
118
Operating Instructions, 06/2008, A5E02203168-01
General specifications
Approvals / manufacturer's declarations
cULus
60950
CE
Industry: Emitted interference EN 610 0-6-4:2001, noise
immunity EN 61000-6-2:2005
* Electrical isolation within the safety extra-low voltage circuit (SELV)
1
Mechanical interference must be safely excluded within the burning operation.
2
Restrictions of HDD mounting on the side panel:
When mounting the device on telescopic rails, the values 10 to 58 Hz: 0.019 mm, 58 to 200 Hz: 3
m/s
2
may not be exceeded. Vibrations may not exceed 200 Hz.
Restrictions when HDDs are mounted in exchangeable racks:
mechanical stress must be safely excluded.
3
The two flashing red LEDs indicate that the RAID system is being synchronized.
Both red LEDs are lit if the monitoring software was unable to locate the faulty HDD. It may be
possible to locate this HDD using the RAID software. See the RAID system section.
4
For unique labeling, the LAN interfaces are numbered on the housing. The numbering by the
operating system may deviate from this.
5
Interfaces supplied as optional.
6
For operation at higher altitudes, derating is required according to the altitude compensation
factors specified in EN 60664-1 table A.2 or the maximum permissible ambient temperature must
be reduced by 3.5 K / 500 m.
Note
The specifications apply only when:
•
The devices is in correct working order.
•
The fan cover and filter mat are installed.
•
The front door is closed.
