Siemens SIMATIC IPC647D Operating Instructions Manual page 61

Temperature range 5 °C to 50 °C
The maximum permissible power loss of the expansion cards amounts to 30 W. An ODD
drive slimline is not permitted and no HDD operation in the removable drive bay.
Distribution to the slots without exceeding the total power:
● 25 W for Slot 1 maximum
● 15 W for Slot 2 maximum
● 10 W for Slot 3 maximum
● 10 W for Slot 4 maximum
Maximum permitted configuration
Note
During operation, the HDDs installed in the removable drive bay must not be exposed to
vibratory loads and may only be exposed to limited shock loads (see Technical
specifications).
SIMATIC IPC647D
Operating Instructions, 01/2014, A5E32996306-AA
Expanding and assigning parameters to the device
6.1 Retrofitting instructions
61