Technical data
20.1 Technical specification of the CPU 412–5H PN/DP; (6ES7 412-5HK06–0AB0)
S7-400H
394 System Manual, 03/2012, A5E00267695-11
Voltages and currents
Current sinking on the S7-400 bus (5 V DC) Typ. 1.6 A
Max. 1.9 A
Current sinking on S7-400 bus (24 V DC)
The CPU does not consume any current at 24 V,
it mderely makes this voltage available on the
MPI/DP interface.
Total current consumption of the components
connected to the MPI/DP interfaces, however
with a maximum of 150 mA per interface
Current output to DP interface (5 V DC) Max. 90 mA
Backup current Typically 180 µA (up to 40 °C)
Maximum 1000 µA
Maximum backup time See
Module Specifications
Reference Manual,
Section 3.3.
Feed of external backup voltage to the CPU 5 V DC to 15 V DC
Power loss Typ. 7.5 W
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