Siemens SIMATIC S7-400H System Manual page 406

Technical data
20.2 Technical specifications of the CPU 414–5H PN/DP; (6ES7 414-5HM06–0AB0)
Current consumption from S7–400 bus (5 V DC)
Current consumption from S7-400 bus (24 V DC)
The CPU does not consume any current at 24 V,
it only makes this voltage available on the
MPI/DP interface.
Current output to DP interface (5 V DC)
Backup current
Maximum backup time
Feed of external backup voltage to the CPU
Power loss
406
Voltages and currents
Typ. 1.6 A
Max. 1.9 A
Total current consumption of the components
connected to the MPI/DP interfaces, but
maximum 150 mA per interface
Max. 90 mA
Typically 180 µA (up to 40 °C)
Maximum 1000 µA
Module Specifications
See
Section 3.3.
5 V DC to 15 V DC
Typ. 7.5 W
System Manual, 03/2012, A5E00267695-11
Reference Manual,
S7-400H