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MINI-PS-100-240AC/10-15DC/8
Parallel and Redundancy Operation
Parallel Operation
A maximum of five devices can be
connected in parallel.
Devices of the same type can be connected in parallel
to increase both redundancy and power. The default
setting does not have to be adjusted.
If the output voltage is adjusted, an even current
distribution can be ensured by precisely setting all
power supplies that are operated in parallel to the
same output voltage.
automatically takes over the complete power supply
without interruption, and vice versa.
For this purpose, the power supply units to be
connected in parallel must be large enough that the
total current requirements of all loads can be fully met
by one power supply unit.
External decoupling diodes are required
for 100% redundancy.
Increasing Power
To ensure symmetrical current distribution
we recommend that all cable connections
from the power supply unit to the DIN rail
are the same length and have the same
cross section.
Depending on the system, for parallel connection of
more than two power supply units a protective circuit
should be installed at each individual device output
(e.g., decoupling diode or DC fuse). This prevents
high return currents in the event of a secondary
device fault.
Redundancy Operation
I N
Figure 10
I N
2 x I N
Increasing power
A maximum of five devices can be
connected in parallel.
Figure 9
I N
I N
I N
Redundancy operation
The output current can be increased to n x I N where n
is the number of devices connected in parallel.
Parallel connection for increasing power is used when
extending existing systems.
A parallel connection is recommended if the power
supply unit does not cover the current consumption of
the most powerful load. Otherwise, the loads should
be divided over independent individual devices.
Redundant connections are designed for supplying
systems, which place particularly high requirements
on operational safety. If a fault occurs in the primary
circuit of the first power supply unit, the second device
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