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| 型号： | 2866271 |
| 厂商： | Phoenix Contact |
| 文件页数： | 7/8页 |
| 文件大小： | 0K |
| 描述： | CONVERTER DC-DC 48-60V/24V 1A |
| 产品目录绘图： | MINI_107 x 22.5 x 99 |
| 标准包装： | 1 |
| 系列： | 迷你型 |
| 类型： | 隔离 |
| 输入电压： | 48 ~ 60V |
| 输出： | 24V |
| 输出数： | 1 |
| 输出 - 1 @ 电流（最大）： | 24 VDC @ 1A |
| 功率（瓦特）： | 24W |
| 安装类型： | DIN 轨道 |
| 工作温度： | -25°C ~ 70°C |
| 效率： | 85% |
| 封装/外壳： | 模块 |
| 尺寸/尺寸： | 4.21" L x 0.89" W x 3.90" H（107.0mm x 22.5mm x 99.0mm） |
| 电源（瓦特）- 最大： | 24W |
| 批准： | cUL，EN，UL，VDE |
| 其它名称： | 277-1925 MINI-PS-48-60DC/24DC/1 |
Power Supply Unit, Primary Switched, Narrow Design – MINI-PS-48-60DC/24DC/1
6.4. Output ( 2 , Figure 9)
The 24 V DC connection is made using the "+" and
"-" screw connections on the screw connection 2 . The
output voltage set upon delivery is 24 V DC.
The output voltage can be adjusted from 22.5 to
28.5 V DC on the potentiometer 4 .
Protecting the Secondary Side:
The device is electronically short-circuit-proof and
idling-proof. In the event of an error, the output voltage
is limited to a maximum of 35 V DC.
It should be ensured that all output cables are the
Output 24V DC
+ – –
correct size for the maximum output current or have
separate fuse protection.
The cable cross sections in the secondary circuit
should be large enough to keep the voltage drops on
the cables as low as possible.
Active Signal Output ( 3 , Figure 10)
The 24 V DC signal is between the "DC OK" and "-"
connection terminal blocks and can be loaded with
20 mA maximum. This signal output indicates that the
output voltage has fallen below 21.5 V DC when "active
high" changes to "low".
The DC OK signal is isolated from the power output.
This ensures that a separate supply does not enter
from devices connected in parallel.
The 24 V DC signal can be connected directly to a
logic input for evaluation.
24 V DC
20 mA
U OUT
[ V ]
DC OK
U OUT = 24 V
36 W
Figure 10
Signaling
U N
24
The active DC OK switching output and the DC OK
LED provide function monitoring.
Status 1
Status 2
< 60°C
(140°F)
t < 2 min.
Green
"DC OK" LED 5
Active DC OK
switching output 3
ON
U = +24 V
(with reference to "-")
OFF
U=0V
(with reference to "-")
1
I N
1.5
I BOOST
I OUT
[ A ]
Meaning
Normal operation of
the power supply unit
U OUT ≤ 21.5 V DC
? Secondary load
U OUT > 21.5 V
short circuit
or overload
? No mains voltage or
Figure 11
device fault
The U/I characteristic curve ensures that both heavy
capacitive loads and devices with DC/DC converters
can be supplied by MINI POWER in the input circuit
without any problems.
7. Installation
Connected fuses are reliably tripped. The selectivity
in your system con ? guration is ensured at all times.
7.1. Output Characteristic Curve
The device can supply a nominal output current of
1 A up to an ambient temperature of 60°C (140°F). At
temperatures up to 60°C (140°F), the POWER BOOST
provides a short-term output current of 1.5 A for a few
minutes.
In the event of heavier loads the working point
demonstrates the U/I characteristic curve shown in
Figure 11.
On an overload or short circuit, the entire output
current I BOOST is provided permanently at a reduced
output voltage.
Once the overload or short circuit has been removed,
the entire set secondary voltage is available again.
PHOENIX CONTACT page 7 of 8
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