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MINI-PS-100-240AC/2X15DC/1
Parallel operation
Devices of the same type can be connected in parallel to
increase both redundancy and power. By default upon
delivery, no further adjustments are required.
If the output voltage is adjusted, a uniform distribution of
power is guaranteed by setting all parallel operated power
supply units to exactly the same output voltage.
To ensure symmetrical current distribution we recommend
that all cable connections from the power supply unit to the
busbar 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, DC fuse or circuit breaker). This prevents high return
currents in the event of a secondary device fault.
Redundant operation
I N
+ ?
I N
+ ?
Redundant circuits are suitable for supplying systems, which
place particularly high demands on operational safety. If a
fault occurs in the primary circuit of the first power supply unit,
the second device 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 (TRIO-
+ ?
Σ = I N
DIODE/12-24DC/2X10/1X20, Order No. 2866514).
Increased performance
I N
+ ?
I N
+ ?
For n parallel connected devices, the output current can be
increased to n x I N . Parallel connection for increasing power
is used when extending existing systems. A parallel
connection is recommended if the power supply unit does not
+
?
+ ?
Σ = 2 x I N
cover the current consumption of the most powerful load.
Otherwise, the load should be divided between individual
devices that are independent from one another.
A maximum of five devices can be connected in parallel.
100299_en_04
PHOENIX CONTACT GmbH & Co. KG ? 32823 Blomberg ? Germany ? Phone: +49-(0) 5235-3-00
PHOENIX CONTACT ? P.O.Box 4100 ? Harrisburg ? PA 17111-0100 ? USA ? Phone: +717-944-1300
www.phoenixcontact.com
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相关PDF资料
2938756 PWR SUPPLY 2A 100-240AC 10-15VDC
2938811 PWR SUPPLY 10A 100-240AC 12VDC
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2938866 POWER SUPPLY 10A 24VDC
2938879 POWER SUPPLY 40A 100-240AC 24DC
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