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PACSystems* RX3i PROFINET Controller Manual
– December 2011
GFK-2571A
1
Operating Range for Surrounding Air Temperature
Baseline Installation
0 to 60°C surrounding air temperature under the following
installation:
▪
12-slot panel mounted backplane
▪
Two PNC modules in adjacent slots per backplane
▪
1 GB Fiber SFPs
▪
All four ports active
The following installation exceptions are cumulative:
Installation Exceptions
Reduces maximum operating temperature:
▪
If 7 slot backplane, then reduce by 2°C
▪
If air mounted (rack mount), then reduce by 2°C
▪
If three or four PNCs per backplane, then reduce by 1°C
▪
Either/or:
- If 100 MB Fiber SFPs installed, then reduce by 5°C
- If Copper SFPs operating at 1 GB, then reduce by 6°C
Increases maximum operating temperature to an upper limit of
60°C:
▪
If only one PNC per backplane, then increase by 2°C
▪
If PNC in non-adjacent slots, then increase by 1°C
▪
If Copper SFP operating at 100MB, then increase by 4°C
▪
If RJ45 ports unused, then increase by 0°C
▪
If 16 slot backplane, then increase by 0°C
Example - Calculating Maximum Operating Temperature with Installation Exceptions
Baseline Installation
60°C
7 slot Backplane
-2°C
Two PNC modules in non-adjacent slots
+1°C
Copper SFPs operating at 1 GB
-6°C
Maximum operating temperature after installation exceptions 53°C