Siemens CU240B-2 - Page 427

Technical data
10.2 Technical data, CU240E-2 Control Unit
Converter with the CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
427
Feature
Data
0° C … 50° C
With inserted BOP-2 or IOP Operator Panel
Observe any possible restrictions regarding the operating temperature as a result of the Power
Module.
Storage temperature
- 40° C … 70° C
Relative humidity
< 95%
Condensation is not permissible.
Note
Short-term voltage dips in the external 24 V supply (≤ 3 ms and ≤ 95% of the rated voltage)
When the mains voltage of the inverter is switched off, the inverter responds to short
-term
voltage dips in the external 24 V supply with fault F30074. Communication via fieldbus,
however, remains in effect in this ca
se.