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参数资料
| 型号： | LS2660-7ERDDB1 |
| 元件分类： | 电源模块 |
| 英文描述： | 2-OUTPUT 100 W AC-DC REG PWR SUPPLY MODULE |
| 封装： | METAL, CASE S02, MODULE |
| 文件页数： | 11/25页 |
| 文件大小： | 591K |
| 代理商： | LS2660-7ERDDB1 |
Cassette Style
100 Watt AC-DC (DC-DC) Converters
S Series
Edition 01/01.2001
19/25
P Potentiometer
The potentiometer provides an output voltage adjustment
range of +10/–60% of
Uo nom and is accessible through a
hole in the front cover. This feature enables compensation
of voltage drops across the connector and wiring. Option P
is not recommended if units are connected in parallel.
Option P excludes the R-function. With double output units
both outputs are affected by the potentiometer setting (dou-
bling the voltage setting if the outputs are in series).
If the output voltages are increased above
Uo nom via R-in-
put control, option P setting, remote sensing or option T, the
output current(s) should be reduced accordingly so that
Po nom is not exceeded.
–9 Extended Temperature Range
Option –9 extends the operational ambient temperature
range from -25...71
°C (standard to –40...71°C. The power
supplies provide full nominal output power with convection
cooling. Option –9 excludes inrush current limitation by
NTC.
Description of Options
Table 16: Survey of options
Option
Function of option
Characteristic
–9
Extended operational ambient temperature range
TA = –40...71°C
E
Electronic inrush current limitation circuitry
Active inrush current limitation
P 1
Potentiometer for fine adjustment of output voltage
Adjustment range +10/–60% of
Uo nom, excludes R input
D 2
Input and/or output undervoltage monitoring circuitry
Safe data signal output (D0...DD)
V 2 3
Input and/or output undervoltage monitoring circuitry
ACFAIL signal according to VME specifications (V0, V2, V3)
T
Current sharing
Interconnect T-pins if paralleling outputs (5 units max.)
B1/B2
Cooling plate
Replaces standard heat sink, allowing direct chassis-mounting
1 Function R excludes option P and vice versa
2 Option D excludes option V and vice versa
3 Only available if main output voltage Uo1 = 5.1 V
Safety of operator accessible output circuit
If the output circuit of an AC-DC converter is operator ac-
cessible, it shall be an SELV circuit according to the IEC/EN
60950 related safety standards.
The following table shows a possible installation configura-
tion, compliance with which causes the output circuit of an
S series AC-DC converter to be an SELV circuit according
to IEC/EN 60950 up to a configured output voltage (sum of
nominal voltages if in series or +/– configuration) of 36 V.
Table 15: Safety concept leading to an SELV output circuit
Conditions
AC-DC converter
Installation
Result
Nominal voltage
Grade of insulation
Measures to achieve the resulting
Safety status of the AC-DC
between input and output
safety status of the output circuit
converter output circuit
provided by the AC-DC converter
Mains
Double or reinforced
Earthed case 1 and installation
SELV circuit
≤250 V AC
according to the applicable standards
1 The earth connection has to be provided by the installer according to the relevant safety standards, e.g. IEC/EN 60950.
AC-DC
con-
verter
Mains
SELV
Earth connection
+
–
~
10021
Fuse
Fig. 26
Schematic safety concept. Use fuses and earth connec-
tion as per Installation Instructions and table Safety con-
cept leading to an SELV output circuit.
However, it is the sole responsibility of the installer to as-
sure the compliance with the relevant and applicable safety
regulations. More information is given in:
Technical Infor-
mation: Safety.
If the S series AC-DC converters are used as DC-DC con-
verters, please refer to the data sheet:
DC-DC Converters
100 Watt: S series.
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