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Power Supply, Primary Switch Mode, Narrow Design – MINI-PS-100-240AC/10-15DC/2
7.2. Temperature Response
The device can supply a nominal output current of
4 A up to an ambient temperature of 60°C (140°F).
With an ambient temperature of up to 40°C (104°F) the
device continuously supplies an output current of 5 A.
At temperatures up to 60°C (140°F), the POWER
BOOST provides a short-term output current of 6 A for
a few minutes.
The output power must be decreased by 5% per
2.3
2.0
U OUT = 10 - 15 V
Kelvin temperature increase for ambient temperatures
above +60°C (+140°F). At ambient temperatures
above +70°C (+158°F) or in the event of a thermal
overload, the device reduces the output power to
0
0
20 40 60
Ambient temperature [°C]
protect itself and returns to normal operation once it
has cooled down.
7.3. Parallel Operation
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.
Figure 11
To ensure symmetrical current distribution we
recommend that all cable connections from the power
supply 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 supplies a protective circuit
should be installed at each individual device output
(e.g., decoupling diode or DC fuse). This means that in
the event of a secondary device fault high return
currents are avoided.
7.4. Redundancy Operation
Redundant connections are designed for supplying
systems, which place particularly high requirements on
operational safety. If a fault occurs in the primary circuit
of device 1, device 2 automatically takes over the
complete power supply without interruption and vice
versa.
For this purpose, the power supplies 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. External decoupling diodes are required for
100% redundancy.
7.5. Power Increase
The output current can be increased to n x I N where
n is the number of devices connected in parallel.
The parallel connection for power increase can be
used to extend existing systems. A parallel connection
is recommended if the power supply does not cover the
current consumption of the most powerful load.
Otherwise, the loads should be divided over
independent individual devices.
A maximum of ? ve devices can be connected in
parallel.
PHOENIX CONTACT page 8 of 8
MINI
10 - 15 V/ + –
2A
+
–
Σ = 2A
MINI
10 - 15 V/ + –
2A
+
–
Σ = 4A
MINI
10 - 15 V/ + –
2A
+ –
MINI
10 - 15 V/ + –
2A
+ –
Figure 12
Figure 12
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