Puls ML60.241 Power Supply Guia De Especificação
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ML60.241
MiniLine
24V,
2.5A,
S
INGLE
P
HASE
I
NPUT
23.6. P
ARALLEL
U
SE FOR
R
EDUNDANCY
19/22
Power supplies can be paralleled for redundancy to gain higher system
availability. Redundant systems require a certain amount of extra power
to support the load in case one power supply unit fails. The simplest way is
to put two power supplies in parallel. This is called a 1+1 redundancy. In
case one power supply unit fails, the other one is automatically able to
support the load current without any interruption. Redundant systems for
a higher power demand are usually built in a N+1 method. E.g. five power
supplies, each rated for 2.5A are paralleled to build a 10A redundant
system.
availability. Redundant systems require a certain amount of extra power
to support the load in case one power supply unit fails. The simplest way is
to put two power supplies in parallel. This is called a 1+1 redundancy. In
case one power supply unit fails, the other one is automatically able to
support the load current without any interruption. Redundant systems for
a higher power demand are usually built in a N+1 method. E.g. five power
supplies, each rated for 2.5A are paralleled to build a 10A redundant
system.
Please note: This simple way to build a redundant system does not cover
failures such as an internal short circuit in the secondary side of the power
supply. In such a case, the defect unit becomes a load for the other power supplies and the output voltage can not be
maintained any more. This can only be avoided by utilizing decoupling diodes which are included in the redundancy
module MLY10.241.
failures such as an internal short circuit in the secondary side of the power
supply. In such a case, the defect unit becomes a load for the other power supplies and the output voltage can not be
maintained any more. This can only be avoided by utilizing decoupling diodes which are included in the redundancy
module MLY10.241.
MLY10
IN 1
+
-
+
-
L
N
N
I
I
ML60.241
L N
Output
Input
+ +
- -
ML60.241
L N
Output
Input
+ +
- -
Output
Load
+
- -
+
-
IN 2
Voltage
Monitor
Monitor
Recommendations for building redundant power systems:
a)
Use separate input fuses for each power supply.
b)
Use separate mains systems for each power supply whenever it is possible.
c)
Monitor the individual power supply units.
d)
1+1 Redundancy is allowed up to an ambient temperature of 60°C.
N+1 Redundancy is allowed up to an ambient temperature of 45°C.
N+1 Redundancy is allowed up to an ambient temperature of 45°C.
e)
It is desirable to set the output voltages of all units to the same value (± 100mV) or leave it at the factory setting.
23.7. D
AISY
C
HAINING OF
O
UTPUTS
Daisy chaining (jumping from one power supply output to the next) is allowed as long as the average output current
through one terminal pin does not exceed 25A. If the current is higher, use a separate distribution terminal block.
through one terminal pin does not exceed 25A. If the current is higher, use a separate distribution terminal block.
Fig. 23-3 Daisy chaining of outputs
Fig. 23-4 Using distribution terminals
Power
Supply
+ +
- -
Input
Output
Load
+
-
max 25A!
Power
Supply
+ +
- -
Input
Output
Load
+
-
Distribution
Terminals
Power
Supply
+ +
- -
Input
Output
Output
Power
Supply
+ +
- -
Input
23.8. I
NDUCTIVE AND
C
APACITIVE
L
OADS
The unit is designed to supply any type of load, including unlimited capacitive and inductive loads.
Sep. 2010 / Rev. 1.0 DS-ML60.241-EN
All parameters are specified at 24V, 2.5A, 230Vac input, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
All parameters are specified at 24V, 2.5A, 230Vac input, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone +49 89 9278 0 Germany