ML50.100 [PULS]
SINGLE PHASE INPUT;
| 型号： | ML50.100 |
| 厂家： | 
PULS GmbH |
| 描述： | SINGLE PHASE INPUT 输入元件 |
| 文件： | 总20页 (文件大小：637K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ML50.100, ML50.109
24V, 2.1A, SINGLE PHASE INPUT
MiniLine
POWER SUPPLY
■
■
■
■
■
■
■
■
■
■
AC 100-240V Wide Range Input
NEC Class 2 Compliant
Adjustable Output Voltage
Efficiency up to 89%
Compact Design, Width only 45mm
Full Output Power Between -10°C and +60°C
DC-OK Signal Included
Large International Approval Package
DIN-Rail Bracket for Wall or Panel Mount Included
3 Year Warranty
1. GENERAL DESCRIPTION
A compact size, light weight, simple mounting on
the DIN-rail and the quick connect spring-clamp
terminals are what makes the MiniLine power
supplies so easy to use and installs in seconds.
2. SHORT-FORM DATA
Output voltage
Adjustment range
Output current
DC 24V
24-28V
2.1–1.8A
24-28V
A rugged electrical and mechanical design as well as
a high immunity against electrical disturbances on
the mains provides reliable output power. This offers
superior protection for equipment which is
connected to the public mains network or is exposed
to a critical industrial environment.
Output power
50W
Output ripple
Input voltage
Mains frequency
AC Input current
Power factor
< 50mVpp
AC 100-240V
50-60Hz
typ. 0.77 / 0.44A at 120 / 230Vac
typ. 0.56 / 0.52
17 / 35A
20Hz to 20MHz
Wide Range Input
±6%
The MiniLine series offers output voltages from 5 to
56Vdc and a power rating of up to 100W. A DC-OK
signal allows remote diagnostics.
at 120 / 230Vac
AC Inrush current
typ. peak value
at 120 / 230Vac
40°C and cold start
The supplementary MiniLine decoupling diode
module MLY02.100 allows building of redundant
systems or to protect against back-feed voltages.
DC Input
Efficiency
Losses
Temperature range -10°C to +70°C
Derating
85-375Vdc
typ. 88.4 / 89.0% at 120 / 230Vac
typ. 6.6 / 6.2W
Screw
terminals
24V MiniLine
Related products
ML50.111
at 120 / 230Vac
operational
+60 to +70°C
at 120 / 230Vac
WxHxD
Conformal
ML50.109
coating
1.3W/°C
typ. 35 / 190ms
45x75x91mm
Less
power
Parallel use
option
ML30.100
ML50.100
ML50.101
ML100.100
ML100.200
Hold-up time
Dimensions
More
power
For other output voltages or
output power see catalog
380-480V
input
3. ORDER NUMBERS
4. MARKINGS
Power Supply ML50.100
Standard unit
ML50.109
MLY02.100
Conformal coated unit
Decoupling /
Redundancy module
IND. CONT. EQ.
UL 508
Class I Div 2
EMC, LVD
UL 60950-1
Accessory
NEC Class 2
&
Medical
GL
approval
Marine
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
1/20
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ML50.100, ML50.109
24V, 2.1A, SINGLE PHASE INPUT
MiniLine
INDEX
PAGE
INDEX
PAGE
1. General Description ............................................1
2. Short-form Data ..................................................1
3. Order Numbers....................................................1
4. Markings..............................................................1
5. AC-Input...............................................................3
6. Input Inrush Current Surge.................................4
7. DC-Input...............................................................4
8. Hold-up Time.......................................................5
9. DC-OK Output .....................................................5
10. Output .................................................................6
11. Efficiency and Power Losses................................7
12. Functional Diagram.............................................8
13. Reliability.............................................................8
14. Front Side and User Elements.............................9
15. Terminals and Wiring..........................................9
16. EMC....................................................................10
17. Environment......................................................11
18. Protection Features...........................................11
19. Safety.................................................................12
20. Dielectric Strength ............................................12
21. Approvals.......................................................... 13
22. Fulfilled Standards............................................ 13
23. Used Substances ............................................... 13
24. Physical Dimensions and Weight..................... 14
25. Installation and Operation Instructions .......... 14
26. Accessory........................................................... 15
27. Application Notes............................................. 16
27.1. Peak Current Capability......................... 16
27.2. Back-feeding Loads................................ 16
27.3. Series Operation..................................... 17
27.4. Parallel Use to Increase Output Power . 17
27.5. Parallel Use for Redundancy.................. 17
27.6. Daisy Chaining of Outputs..................... 18
27.7. Charging of Batteries............................. 18
27.8. External Input Protection....................... 19
27.9. Inductive and Capacitive Loads ............. 19
27.10.Operation on Two Phases...................... 19
27.11.Use in a Tightly Sealed Enclosure.......... 19
27.12.Mounting Orientations.......................... 20
INTENDED USE
The power supply shall only be installed and put into operation by qualified personnel.
This power supply is designed for installation in an enclosure and is intended for the general use, such as in industrial
control, office, communication, and instrumentation equipment. Do not use this device in aircraft, trains and nuclear
equipment, where malfunctioning of the power supply may cause severe personal injury or threaten human life.
TERMINOLOGY AND ABREVIATIONS
PE and
symbol
PE is the abbreviation for Protective Earth and has the same meaning as the symbol
This document uses the term “earth” which is the same as the U.S. term “ground”.
To be defined, value or description will follow later.
.
Earth, Ground
T.b.d.
AC 230V
A figure displayed with the AC or DC before the value represents a nominal voltage with
standard tolerances (usually ±15%) included.
E.g.: DC 12V describes a 12V battery regardless whether it is charged (13.7V) or discharged
(10V). As long as not otherwise stated, AC 100V and AC 230V parameters are valid at 50Hz
and AC 120V parameters are valid at 60Hz mains frequency.
230Vac
A figure with the unit (Vac) at the end is a momentary figure without any additional
tolerances included.
DISCLAIMER
The information presented in this document is believed to be accurate and reliable and may change without notice.
The housing is patent by PULS (US patent No US D442,923S)
No part of this document may be reproduced or utilized in any form without permission in writing from the publisher.
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
2/20
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ML50.100, ML50.109
24V, 2.1A, SINGLE PHASE INPUT
MiniLine
5. AC-INPUT
AC input
AC input range
nom.
AC 100-240V
85-264Vac
60-85Vac
264-300Vac
50 – 60Hz
65Vac
Wide-range input, TN-, TT-, IT-Mains, see Fig. 5-1
Continuous operation
Full power for 200ms, no damage between 0 and 85Vac
< 0.5s
Input frequency
Turn-on voltage
Shut-down voltage
nom.
typ.
typ.
±6%
Steady-state value, see Fig. 5-1
Steady-state value, see Fig. 5-1
55Vac
AC 100V
0.91A
0.58
3.05
32ms
33ms
45ms
400mV
AC 120V
0.77A
0.56
3.26
32ms
33ms
45ms
400mV
AC 230V
0.47A
0.52
3.91
32ms
48ms
60ms
400mV
Input current
Power factor *)
Crest factor **)
Start-up delay
Rise time
typ.
typ.
typ.
typ.
typ.
typ.
max.
at 24V, 2.1A see Fig. 5-3
at 24V, 2.1A see Fig. 5-1
at 24V, 2.1A
See Fig. 5-2
0mF, 24V, 2.1A, see Fig. 5-2
2mF, 24V, 2.1A, see Fig. 5-2
See Fig. 5-2
Turn-on overshoot
*)
The power factor is the ratio of the true (or real) power to the apparent power in an AC circuit.
**) The crest factor is the mathematical ratio of the peak value to RMS value of the input current waveform.
Fig. 5-1 Input voltage range
Fig. 5-2 Turn-on behavior, definitions
Rated
Intput
Voltage
POUT
max.
500ms
input range
full
power
for
200ms
- 5%
Output
Voltage
VIN
264V 300Vac
Start-up Rise
delay
Time
60V 85V
Fig. 5-3 Input current vs. output load
Fig. 5-4 Power Factor vs. output load
Input Current, typ.
Power Factor, typ.
1.0A
0.65
0.6
a
b
a) 100Vac
b) 120Vac
c) 230Vac
a) 100Vac
b) 120Vac
c) 230Vac
0.8
0.6
0.4
0.2
0
a
b
0.55
0.5
c
c
0.45
Output Current
Output Current
0.4
0.1
1.3
2.1A
0.5
0.9
1.7
0.1
1.3
0.5
0.9
1.7 2.1A
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
3/20
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ML50.100, ML50.109
24V, 2.1A, SINGLE PHASE INPUT
MiniLine
6. INPUT INRUSH CURRENT SURGE
A NTC limits the input inrush current after turn-on of the input voltage. The inrush current is input voltage and
ambient temperature dependent.
AC 100V
18Apeak
14Apeak
0.3A2s
AC 120V
23Apeak
17Apeak
0.4A2s
AC 230V
48Apeak
35Apeak
1.5A2s
Inrush current
Inrush energy
max.
typ.
typ.
40°C ambient, cold start
40°C ambient, cold start
40°C ambient, cold start
Fig. 6-1 Input inrush current, typical behavior
Fig. 6-2 Input inrush current, zoom into the first peak
Input Current
Input Voltage
Output Voltage
Input Current
Input:
Output:
Ambient:
Upper curve:
Middle curve:
Lower curve:
Time scale:
230Vac
24V, 2.1A
40°C
Input current 20A / DIV
Input voltage 1000V / DIV
Output voltage 20V / DIV
20ms / DIV
Input:
Output:
Ambient:
230Vac
24V, 2.1A
40°C
Input current curve: 10A / DIV, 1ms / DIV
Ipeak 32.4A
The charging current into EMI suppression capacitors is
disregarded in the first microseconds after switch-on.
7. DC-INPUT
DC input
nom.
min.
typ.
typ.
typ.
DC 110-290V -25%/+30%
DC input range
DC input current
Turn-on voltage
Shut-down voltage
85-375Vdc
0.50A / 0.19A
81Vdc
Continuous operation
110Vdc / 300Vdc at 24V and 2.1A
Steady state value
58Vdc
Steady state value
Fig. 7-1 Wiring for DC Input
Battery
Instructions for DC use:
Power Supply
a) Use a battery or similar DC source.
b) Connect +pole to L and – pole to N.
+
AC
internal
fused
L
+
c) Connect the PE terminal to a earth wire or
to the machine ground.
N
Load
-
PE
d) In case the – pole of the battery is not
connected to earth, use an appropriate fuse
to protect the N terminal.
-
DC
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
4/20
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ML50.100, ML50.109
24V, 2.1A, SINGLE PHASE INPUT
MiniLine
8. HOLD-UP TIME
AC 100V
54ms
26ms
AC 120V
82ms
40ms
AC 230V
360ms
180ms
Hold-up Time
typ.
typ.
1.05A, 24V, see Fig. 8-1
2.1A, 24V, see Fig. 8-1
Fig. 8-1 Hold-up time vs. input voltage
Fig. 8-2 Shut-down behavior, definitions
Hold-up Time
a
b
c
d
Zero Transition
120ms
Intput
100
80
60
40
20
0
Voltage
a) 24V 1.05A typ.
b) 24V 1.05Amin.
c) 24V 2.1A typ.
d) 24V 2.1A min.
- 5%
Output
Voltage
Hold-up Time
Input Voltage
85
120
155
190 230Vac
Note: At no load, the hold-up time can be up to several seconds. The green DC-ok lamp is also on during this time.
9. DC-OK OUTPUT
This feature monitors the output voltage, which is present on the output terminals.
The signal is a source output which can feed loads up to 30mA. Loads can be a 24V relay (Rcoil < 700Ohm), a LED or
the input of a PLC system. The relays operates or the LED is on if output voltage exceeds the threshold level. A free-
wheeling diode (necessary when the load is a relay) is already included in the power supply.
Threshold value
Output current
Output voltage
20V +/-4%
30mA
min.
min
For typical values see Fig. 9-2
Vout – 1V The open collector is internally linked to the positive output pole. The
at 30mA
DC-OK voltage is approximately the output voltage if the output voltage
is higher than the threshold level.
Fig. 9-2 Output characteristic DC-OK signal
Fig. 9-1 DC-ok wiring diagram
DC-OK Voltage
Test Setup
ML50
+
+
-
28V
24
20
16
12
8
Relay
DC
ok
- -
+ +
DC-ok
24-28V
-
MiniLine
Load
LED
V
DC
OK
4
A
DC-OK Current
N
L
0
0
5
10 15 20 25 30 35 40mA
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
5/20
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ML50.100, ML50.109
24V, 2.1A, SINGLE PHASE INPUT
MiniLine
10. OUTPUT
Output voltage
Adjustment range
nom.
min.
max.
24V
24-28V
30V
Guaranteed
At clockwise end position of potentiometer
±0.2%,at full load, cold unit
85 to 264Vac
Static value, 0A Æ 2.1A Æ 0A
20Hz to 20MHz, 50Ohm
Factory setting
24.5V
10mV
100mV
50mVpp
1600µF
2.1A
Line regulation
max.
max.
max.
typ.
nom.
nom.
nom.
min.
max.
Load regulation
Ripple and noise voltage
Output capacitance
Output current
At 24V, see Fig. 10-1
At 28V, see Fig. 10-1
1.8A
50W
Output power
Short-circuit current
3.1A
5A
Load impedance 400mOhm, see Fig. 10-1
Load impedance 400mOhm, see Fig. 10-1
Fig. 10-1 Output voltage vs. output current,
230Vac, typ.
Output Voltage
Range
28V
Adjustment
24
20
16
12
8
4
0
Output Current
0
0.5
1
1.5
2
2.5
3
3.5 4A
Peak current capability (up to several ms)
The power supply can deliver a peak current which is higher than the specified short term current. This helps to start
current demanding loads or to safely operate subsequent circuit breakers.
The extra current is supplied by the output capacitors inside the power supply. During this event, the capacitors will
be discharged and cause a voltage dip on the output. Detailed curves can be found in chapter 27.1.
Peak current voltage dips
typ.
typ.
typ.
from 24V to 16V
from 24V to 15V
from 24V to 10.5V at 10.5A for 5ms, resistive load
at 4.2A for 50ms, resistive load
at 10.5A for 2ms, resistive load
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
6/20
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ML50.100, ML50.109
24V, 2.1A, SINGLE PHASE INPUT
MiniLine
11. EFFICIENCY AND POWER LOSSES
AC 100V
AC 120V
88.4%
0.7W
4.1W
6.6W
AC 230V
Efficiency
Power losses
typ.
typ.
typ.
typ.
87.5%
0.6W
4.0W
7.2W
89.0%
1.3W
4.4W
6.2W
2.1A, 24V
0A
1.05A, 24V
2.1A, 24V
Fig. 11-1 Efficiency vs. output current at 24V
Fig. 11-2 Losses vs. output current at 24V
Efficiency
Power Losses
90%
8W
a) 100Vac
88
86
84
82
80
78
76
74
b
a
c
7
6
5
4
3
2
1
0
a
b) 120Vac
c) 230Vac
b
c
a) 100Vac
b) 120Vac
c) 230Vac
c
b
a
Output Current
Output Current
0
0.3 0.6 0.9 1.2 1.5 1.8 2.1A
0.3 0.6 0.9 1.2 1.5 1.8 2.1A
Fig. 11-3 Efficiency vs. input voltage, 24V, 2.1A
Fig. 11-4 Losses vs. input voltage, 24V, 2.1A
Efficiency
Power Losses
91%
9W
90
89
88
87
86
8
7
6
Input Voltage
Input Voltage
85
5
85
120
155
190
225 260Vac
85
120
155
190
225 260Vac
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
7/20
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ML50.100, ML50.109
24V, 2.1A, SINGLE PHASE INPUT
MiniLine
12. FUNCTIONAL DIAGRAM
Fig. 12-1 Functional diagram
DC
ok
+
+
Input
L
N
Rectifier
Input Fuse
Power
Output
&
&
Converter
Filter
Inrush
Limiter
Input Filter
-
-
DC-OK
Transistor
Signal
DC-ok
Signal
Output Over-
Voltage
Protection
Output
Voltage
VOUT
Regulator
13. RELIABILITY
These units are extremely reliable and use only the highest quality materials. The number of critical components such
as electrolytic capacitors has been reduced.
AC 100V
AC 120V
AC 230V
Lifetime expectancy
min.
min.
min.
34 000h
112 000h
96 000h
44 000h
117 000h
125 000h
54 000h
111 000h
152 000h
40°C, 24V, 2.1A
40°C, 24V, 1.05A
25°C, 24V, 2.1A
MTBF SN 29500, IEC 61709
MTBF MIL HDBK 217F
2 383 000h
3 977 000h
1 021 000h
1 370 000h
2 456 000h
4 100 000h
1 053 000h
1 413 000h
2 613 000h 40°C, 24V, 2.1A
4 362 000h 25°C, 24V, 2.1A
1 120 000h 40°C, 24V, 2.1A, Ground Benign GB40
1 503 000h 25°C, 24V, 2.1A, Ground Benign GB25
The Lifetime expectancy shown in the table indicates the operating hours (service life) and is determined by the
lifetime expectancy of the built-in electrolytic capacitors.
Lifetime expectancy is specified in operational hours. Lifetime expectancy is calculated according to the capacitor’s
manufacturer specification. The prediction model allows a calculation of up to 15 years from date of shipment.
MTBF stands for Mean Time Between Failure, which is calculated according to statistical device failures, and indicates
reliability of a device. It is the statistical representation of the likelihood of a unit to fail and does not necessarily
represent the life of a product.
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
8/20
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ML50.100, ML50.109
24V, 2.1A, SINGLE PHASE INPUT
MiniLine
14. FRONT SIDE AND USER ELEMENTS
Fig. 14-1 Front side
DC-OK LED (green)
Output & Signal Terminals
Spring-clamp terminals
Dual terminals per pole
On when the voltage at the
output terminals is > 20 V
+
-
Positive output
Negative (return) output
Dual pins per pole
DC-OK LED and DC-OK signal
functions are synchronized
Output Voltage
Potentiometer
Turn to set the output voltage.
Factory set: 24.5V
DC-OK Open collector output
Indicates an output
voltage higher than
20Vdc
Input Terminals
Spring-clamp terminals
N … Neutral input
L … Line (hot) input
... PE (Protective Earth) input
15. TERMINALS AND WIRING
All terminals are easy to access when mounted on the panel. Input and output terminals are separated from each
other (input below, output above) to help in error-free wiring. Mounting and wiring do not require any screwdriver.
Type
Quick-connect spring-clamp terminals
0.3-4mm2
Solid wire
Stranded wire
American wire gauge
Ferrules
0.3-2.5mm2
26-12 AWG
Allowed, but not required
6mm / 0.25inch
Wire stripping length
Pull-out force
12AWG:60N, 14AWG:50N, 16AWG:40N
(according to UL486E)
Fig. 15-1 Connecting a wire
Instructions:
a) Use appropriate copper cables
b) Follow local and national installation codes and
regulations!
c) Ensure that all strands of a stranded wire enter
the terminal connection!
d) Do not use the unit without PE connection.
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
9/20
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ML50.100, ML50.109
24V, 2.1A, SINGLE PHASE INPUT
MiniLine
16. EMC
The CE mark indicates conformance with EMC guideline 89/336/EEC, 93/68/EEC and the low-voltage directive (LVD)
73/23/EWG. A detailed EMC Report is available on request.
EMC Immunity
Electrostatic discharge
EN 61000-6-2, EN 61000-6-1
EN 61000-4-2
Generic standards
Contact discharge
Air discharge
8kV
8kV
Criterion A
Criterion A
Electromagnetic RF field
Fast transients (Burst)
EN 61000-4-3
EN 61000-4-4
80MHz-1GHz
Input lines
Output lines
10V/m
4kV
2kV
Criterion A
Criterion A
Criterion A
Surge voltage on input
Surge voltage on output
EN 61000-4-5
EN 61000-4-5
L Æ N
N / L Æ PE
+ Æ -
+ / - Æ PE
2kV
4kV
500V
500V
Criterion A
Criterion A
Criterion A
Criterion A
Conducted disturbance
Mains voltage dips
EN 61000-4-6
EN 61000-4-11
0,15-80MHz
10V
Criterion A
0% of 100Vac
40% of 100Vac
70% of 100Vac
0% of 200Vac
40% of 200Vac
70% of 200Vac
0Vac, 20ms
Criterion A
Criterion C
Criterion A
Criterion A
Criterion A
Criterion A
40Vac, 200ms
70Vac, 500ms
0Vac, 20ms
80Vac, 200ms
140Vac, 500ms
Voltage interruptions
Input voltage swells
Powerful transients
EN 61000-4-11
PULS internal standard
VDE 0160
0Vac, 5000ms
300Vac, 500ms
Criterion C
Criterion A
over entire load
range
750V, 1.3ms
Criterion A
Criterions:
A: Power supply shows normal operation behavior within the defined limits.
C: Temporary loss of function is possible. Power supply might shut-down and restarts by itself. No damages or hazards to the power
supply will occur.
EMC Emission
EN 61000-6-3, EN 61000-6-4
Generic standards
Conducted emission
EN 55011, EN 55022, FCC Part 15, CISPR 11, CISPR 22 Class B, input lines
EN 55022
EN 55011, EN 55022
EN 61000-3-2
Class B, output lines
Class B
Fulfilled
Radiated emission
Harmonic input current
Voltage fluctuations, flicker EN 61000-3-3
Fulfilled
This device complies with FCC Part 15 rules.
Operation is subjected to the following two conditions: (1) this device may not cause harmful interference, and (2) this
device must accept any interference received, including interference that may cause undesired operation.
Switching frequency
variable, typ. 100kHz, (60-275kHz)
Input voltage and output load dependent
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
10/20
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ML50.100, ML50.109
24V, 2.1A, SINGLE PHASE INPUT
MiniLine
17. ENVIRONMENT
Operational temperature
Output de-rating
Storage temperature
Humidity
-10°C to +70°C (14°F to 158°F)
1.3W/°C
-40 to +85°C (-40°F to 185°F)
5 to 95% r.H.
Reduce output power according to Fig. 17-1
60-70°C (140°F to 158°F), see Fig. 17-1
Storage and transportation
IEC 60068-2-30
Do not energize while condensation is present
Vibration sinusoidal
Shock
2-17.8Hz: ±1.6mm; 17.8-500Hz: 2g
2 hours / axis
20g 6ms, 10g 11ms
IEC 60068-2-6
IEC 60068-2-27
3 bumps / direction, 18 bumps in total
Altitude
0 to 6000m (0 to 20000ft)
Reduce output power or ambient
temperature above 2000m sea level.
Output de-rating (for altitude)
Over-voltage category
3W/1000m or 5°C/1000m
III
II
Above 2000m (6500ft), see Fig. 17-2
EN 50178, IEC 62103 altitudes < 2000m
Altitudes from 2000m to 6000m
Degree of pollution
2
EN 50178, IEC 62103, non conductive
Fig. 17-1 Output current vs. ambient temp.
Fig. 17-2 Output current vs. altitude, 24V
Allowable Output
Current at 24V
Allowable Output
Current at 24V
2.4A
2.0
1.6
1.2
0.8
0.4
2.4A
C
2.0
1.6
1.2
0.8
0.4
B
A
A... Tamb
B... Tamb
C... Tamb
< 60°C
< 50°C
< 40°C
Altitude
Ambient Temperature
0
0
-10
0
20
40
60 70°C
0
2000
4000
6000m
The ambient temperature is defined 2cm below the unit.
18. PROTECTION FEATURES
Output protection
Electronically protected against overload, no-load and short-circuits
Output over-voltage protection
typ. 36V
max. 39V
In case of an internal power supply fault, a redundant
circuit limits the maximum output voltage. The output
shuts down and automatically attempts to restart.
Output over-current protection
Degree of protection
electronically limited
IP 20
see Fig. 10-1
EN/IEC 60529
Penetration protection
Over-temperature protection
Input transient protection
Internal input fuse
> 2.5mm in diameter
not included
MOV
E.g. screws, small parts
Metal Oxide Varistor
Not user replaceable
T3.15A H.B.C.
Note: In case of a over-voltage, overload, no-load or short-circuit event, an audible noise may be heard.
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
11/20
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24V, 2.1A, SINGLE PHASE INPUT
MiniLine
19. SAFETY
Input / output separation
SELV
PELV
IEC/EN 60950-1
EN 60204-1, EN 50178, IEC 62103, IEC 60364-4-41
double or reinforced insulation
Class of protection
I
PE (Protective Earth) connection required
Isolation resistance
Touch current (leakage current)
> 5MOhm
typ. 0.12mA
typ. 0.17mA
typ. 0.29mA
< 0.16mA
< 0.23mA
< 0.40mA
input to output, 500Vdc
100Vac, 50Hz, TN mains
120Vac, 60Hz, TN mains
230Vac, 50Hz, TN mains
110Vac, 50Hz, TN mains
132Vac, 60Hz, TN mains
264Vac, 50Hz, TN mains
20. DIELECTRIC STRENGTH
Fig. 20-1 Dielectric strength
A
B
C
Type test
Factory test
Field test
60s
5s
2500Vac
2500Vac
2000Vac
3000Vac
2500Vac
2000Vac
500Vac
500Vac
500Vac
Input
L
N
5s
Output
+
Type tests and factory tests:
Conducted by the manufacturer. Do not repeat test in field!
Rules for field test:
Use appropriate test equipment which applies the voltage
with a slow ramp! Connect L and N together as well as all
output poles.
A
-
DC-
Ok
Earth, PE
The output voltage is floating and has no ohmic connection to ground.
To fulfill the PELV requirements according to EN60204-1 § 6.4.1, it is recommended that either the + pole, the – pole
or any other part of the output circuit should be connected to the protective earth system. This helps to avoid
situations in which a load starts unexpectedly or can not be switched off when an unnoticed earth faults occur.
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
12/20
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24V, 2.1A, SINGLE PHASE INPUT
MiniLine
21. APPROVALS
IEC 60950-1
CB Scheme,
Information Technology Equipment
IECEE
CB SCHEME
IEC 60601-1
UL 508
CB Scheme,
Medical, Basic Insulation
IECEE
CB SCHEME
LISTED as Industrial Control Equipment E198865
LISTED as Medical
IND. CONT. EQ.
UL2601
UL 60950-1
RECOGNIZED E137006 recognized for the use in U.S.A. (UL 60950-1) and Canada
(C22.2 No. 60950). Information Technology Equipment, Level 3
NEC Class 2
UL 1604
Listed as Limited Power Source (LPS) in the UL 60950-1 UL report.
RECOGNIZED E246877 recognized for use in U.S.A. (UL 1604) and Canada (C22.2
No. 213-M1987) Hazardous Location Class I Div 2 T4 Groups A,B,C,D and
Class I Zone 2 Groups IIA, IIB and IIC
The unit is suitable for use in Class I Division 2 Groups A, B, C, D locations as well as for Class I Zone 2
Groups IIA, IIB and IIC locations. Substitution of components may impair suitability for Class I Division 2
environment. Do not disconnect equipment unless power has been switched off. Wiring must be in
accordance with Class I, Division 2 wiring methods of the National Electrical Code, NFPA 70, and in
accordance with other local or national codes.
Marine
GL (Germanischer Lloyd) classified and ABS (American Bureau for Shipping) PDA
for marine and offshore applications. Environmental category: C, EMC2
GL
ABS
SEMI F47
SEMI F47-0200 Power Quality Star
Ride-through compliance for semiconductor industry.
Full SEMI range compliance (Input: 120Vac or 208Vac)
22. FULFILLED STANDARDS
EN 61558-2-17
Safety of Power Transformers
EN/IEC 60204-1
EN/IEC 61131-2
EN 50178, IEC 62103
Safety of Electrical Equipment of Machines
Programmable Controllers
Electronic Equipment in Power Installations
23. USED SUBSTANCES
Electrolytic capacitors included in this unit do not use electrolytes such as Quaternary Ammonium Salt Systems.
Plastic housings and other molded plastic materials are free of halogens, wires and cables are not PVC insulated.
The unit conforms to the RoHS directive 2002/96/EC
The materials used in our production process do not include the following toxic chemicals:
Polychlorinated Biphenyl (PCB), Pentachlorophenol (PCP), Polychlorinated naphthalene (PCN), Polybrominated
Biphenyl (PBB), Polybrominated Biphenyl Oxide (PBO), Polybrominated Diphenyl Ether (PBDE), Polychlorinated
Diphenyl Ether (PCDE), Polybrominated Diphenyl Oxide (PBDO), Cadmium, Asbestos, Mercury, Silica
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
13/20
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24V, 2.1A, SINGLE PHASE INPUT
MiniLine
24. PHYSICAL DIMENSIONS AND WEIGHT
Weight
DIN-Rail
240g / 0.53lb
Use 35mm DIN-rails according to EN 60715 or EN 50022 with a height of 7.5 or 15mm.
The DIN-rail height must be added to the depth (91mm) to calculate the total required
installation depth.
Electronic files with mechanical data can be downloaded at www.pulspower.com
Fig. 24-1 Front view
Fig. 24-2 Side view
25. INSTALLATION AND OPERATION INSTRUCTIONS
Mounting:
Output terminal must be located on top and input terminal on the bottom. For other orientations see chapter 27.12.
An appropriate electrical and fire end-product enclosure should be considered in the end use application.
Cooling:
Convection cooled, no forced cooling required. Do not cover ventilation grill (e.g. cable conduits) by more than 30%!
Installation clearances:
25mm on top and bottom.
Risk of electrical shock, fire, personal injury or death!
Do not use the unit without proper earth connection (Protective Earth).
Turn power off before working on the power supply. Protect against inadvertent re-powering.
Make sure the wiring is correct by following all local and national codes.
Do not open, modify or repair the unit.
Use caution to prevent any foreign objects from entering into the housing.
Do not use in wet locations or in areas where moisture or condensation can be expected.
Service parts:
The unit does not contain any service parts. The tripping of an internal fuse is caused by an internal fault. If damage
or malfunctioning should occur during operation, immediately turn power off and send unit to the factory for
inspection!
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
14/20
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24V, 2.1A, SINGLE PHASE INPUT
MiniLine
26. ACCESSORY
DIN-Rail bracket for wall or panel mount
A DIN-rail bracket is included in each shipping box.
Fig. 26-1 DIN-Rail Bracket
Fig. 26-2 DIN-Rail Bracket Dimensions
Hole diameter: 4.2mm
MLY02.100 Dual decoupling module 2x5A
Fig. 26-4 Redundant System with Two ML50.100
Fig. 26-3 MLY02.100 Dual Decoupling Module
and One MLY02.100
PS1 ok
PS2 ok
DC
ok
DC
ok
-
+
IN 1
-
2
+
IN
- -
adj.
- -
adj.
+ +
+ +
V
V
ML50.100
ML50.100
Load
MLY02
V
OU-T -
L
N
L
N
+ +
-
I
I
L
N
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
15/20
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24V, 2.1A, SINGLE PHASE INPUT
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27. APPLICATION NOTES
27.1. PEAK CURRENT CAPABILITY
Solenoids, contactors and pneumatic modules often have a steady state (sealed) coil and a pick-up coil. The inrush
current demand of the pick-up coil is several times higher than the steady state current and usually exceeds the
nominal output current. The same situation applies, when starting a capacitive load.
Branch circuits are often protected with circuit breakers or fuses. In case of a short or an overload in the branch
circuit, the protective device (fuse, circuit breaker) needs a certain amount of over-current to trip or to blow. The
peak current capability ensures the safe operation of subsequent circuit breakers.
Assuming the input voltage is turned on before such an event, the built-in large sized output capacitors inside the
power supply can deliver extra current. Discharging this capacitor causes a voltage dip on the output. The following
two examples show typical voltage dips:
Fig. 27-1 Peak load 4.2A for 50ms, typ.
Fig. 27-2 Peak load 10.5A for 5ms, typ.
Output
Voltage
24.0V
24.0V
16V
10.5A
4.2A
10.5V
Output
Current
Output
Current
0A
0A
1ms/DIV
10ms/DIV
Peak load 4.2A (resistive) for 50ms
Output voltage dips from 24V to 16V.
Peak load 10.5A (resistive) for 5ms
Output voltage dips from 24V to 10.5V.
27.2. BACK-FEEDING LOADS
Loads such as decelerating motors and inductors can feed voltage back to the power supply. This feature is also called
return voltage immunity or resistance against Back- E.M.F. (Electro Magnetic Force).
This power supply is resistant and does not show malfunctioning when a load feeds back voltage to the power
supply. It does not matter, whether the power supply is on or off.
The maximum allowed feed back voltage is 35Vdc. The absorbing energy can be calculated according to the built-in
large sized output capacitor which is specified in chapter 10.
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
16/20
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24V, 2.1A, SINGLE PHASE INPUT
MiniLine
27.3. SERIES OPERATION
The power supply can be put in series to increase the output voltage.
Instructions for use in series:
Fig. 27-3 Schematic for series operation
a) It is possible to connect as many units in series as needed,
providing the sum of the output voltage does not exceed
150Vdc.
b) Voltages with a potential above 60Vdc are not SELV any
more and can be dangerous. Such voltages must be installed
with a protection against touching.
Unit A
AC
+
-
DC
+
c)
For serial operation use power supplies of the same type.
Unit B
Load
AC
d) Earthing of the output is required when the sum of the
output voltage is above 60Vdc.
+
-
-
Earth
Note: Avoid return voltage (e.g. from a decelerating motor or
battery) which is applied to the output terminals.
DC
27.4. PARALLEL USE TO INCREASE OUTPUT POWER
Several power supplies can be paralleled to increase the output power. The ML50.100 has no feature included which
balances the load current between the power supplies. Usually the power supply with the higher adjusted output
voltage draws current until it goes into current limitation. This means no harm to this power supply as long as the
ambient temperature stays below 50°C. If a current sharing feature is required, choose the ML50.101 or ML50.111.
Instructions for parallel use:
Fig. 27-4 Schematic for parallel operation
a) Use only power supplies from the same series (ML-Series).
b) Adjust the output voltages of all power supplies to
approximately the same value (±200mV).
Unit A
AC
+
-
c)
A fuse (or diode) on the output is only required if more than
three units are connected in parallel.
DC
+
Unit B
d) Do not load terminals with more than 13A. Follow wiring
instructions according to chapter 27.6
e) Ensure that the ambient temperature of the power supply
does not exceed 50°C.
Load
AC
+
-
-
DC
27.5. PARALLEL USE FOR REDUNDANCY
Power supplies can be paralleled for redundancy to gain a higher system reliability. 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
MiniLine 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 2.1A are paralleled to build a 8A
redundant system. If one unit fails, the 8A can still be drawn.
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
17/20
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ML50.100, ML50.109
24V, 2.1A, SINGLE PHASE INPUT
MiniLine
Please note: This simple way to build a redundant system has two major disadvantages:
-
The faulty power supply can not be recognized. The green LED will still be on since it is reverse-powered from
the other power supply.
-
It does not cover failures such as an internal short circuit in the secondary side of the power supply. In such a
situation the defective unit becomes a load for the other power supplies and the output voltage can not be
maintained any more.
This above conditions can be avoided by utilizing decoupling diodes which are included in the decoupling module
MLY02.100.
Other recommendations for building redundant power systems:
a) Use separate input fuses for each power supply.
b) Monitor the individual power supply units. A DC-ok output is included in the ML50.100, ML50.101 and
ML50.111. In all other cases, use the redundancy module YRM2.DIODE which has a monitoring circuit for each
input included.
c)
When possible, connect each power supply to different phases of the mains network.
27.6. DAISY CHAINING OF OUTPUTS
Daisy chaining (jumping from one power supply output to the next) is allowed as long as the maximum current
through one terminal pin does not exceed 13A. If the current is higher, use a separate distribution terminal block.
Fig. 27-5 Daisy chaining of outputs
Fig. 27-6 Using distribution terminals
max 13A!
+ + - -
Output
+ + - -
Output
+
-
+ + - -
Output
+ + - -
Output
+
-
Load
Load
Power
Supply
Power
Supply
Power
Supply
Power
Supply
Distribution
Terminals
Input
Input
Input
Input
27.7. CHARGING OF BATTERIES
The power supply can be used for float-charging of lead-acid or maintenance free 24V VRLA batteries.
Instructions for charging batteries:
a) Ensure that the ambient temperature of the power supply does not exceed 50°C.
b) Set the output voltage on a disconnected load, very precisely to the end-of-charge voltage according to the
expected battery temperature.
End-of-charge voltage
Battery temperature
27.8V
10°C
27.5V
20°C
27.15V
30°C
26.8V
40°C
c)
Use a 4A or 6A circuit breaker (or blocking diode ) between the power supply and the battery.
d) Ensure that the output current of the power supply is below the allowed charging current of the battery.
e) Use only matched batteries when putting 12V types in series.
f)
The return current to the power supply is typ. 10.7mA at 25Vdc when the power supply is switched off (except in
case a blocking diode is utilized).
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
18/20
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24V, 2.1A, SINGLE PHASE INPUT
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27.8. EXTERNAL INPUT PROTECTION
The unit is tested and approved for branch circuits up to 15A (UL) or 16A (IEC). External protection is only required if
the supplying branch has an ampacity greater than this. In some countries local regulations might apply so check local
codes and requirements.
If an external protective device is utilized, a minimum value is required to avoid undesired tripping of the fuse.
B-Characteristic
max. 15A (UL), 16A (IEC)
C-Characteristic
15A (UL), 16A (IEC)
6A
Ampacity
min.
10A
27.9. INDUCTIVE AND CAPACITIVE LOADS
The unit is designed to supply any type of load, including unlimited capacitive and inductive loads.
27.10.OPERATION ON TWO PHASES
Fig. 27-7 Schematic for two phase operation
Instructions for two phase operation:
Power Supply
a) A phase to phase connection is allowed as long as the
L1
AC
supplying voltage is below 240V+10%
.
internal
fuse
L
N
b) Use a fuse or a circuit breaker to protect the N input. The
N input is internally not protected and is in this case
connected to a hot wire.
Fuse
L3
PE
Appropriate fuses or circuit breakers are specified in section 27.6
“External Input Protection”.
DC
L2
27.11.USE IN A TIGHTLY SEALED ENCLOSURE
When the power supply is installed in a tightly sealed enclosure, the temperature inside the enclosure will be higher
than the outside. The inside temperature defines the ambient temperature for the power supply.
Results from such an installation:
Power supply is placed in the middle of the box, no other heat producing equipment inside the box
Enclosure:
Input:
Rittal Type IP66 Box PK 9510 100, plastic, 130x130x75mm
230Vac
Load:
24V, 2.1A; load is placed outside the box
40.8°C (in the middle of the right side of the power supply with a distance of 1cm)
21.9°C
18.9K
Temperature inside the box:
Temperature outside the box:
Temperature rise:
Load:
24V, 1.7A; (=80%) load is placed outside the box
38.7°C (in the middle of the right side of the power supply with a distance of 1cm)
21.7°C
17.0K
Temperature inside the box:
Temperature outside the box:
Temperature rise:
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
19/20
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24V, 2.1A, SINGLE PHASE INPUT
MiniLine
27.12.MOUNTING ORIENTATIONS
Mounting orientations other than input terminals on the bottom and output on the top requires a reduction in
continuous output power or a limitation in the maximum allowed ambient temperature. The amount of reduction
influences the lifetime expectancy of the power supply. Therefore, two different derating curves for continuous
operation can be found below:
Curve A1 Recommended output power.
Curve A2 Max allowed output power (results approx. in half the lifetime expectancy of A1).
Fig. 27-8
Output Power
Mounting
Orientation A
Standard
OUTPUT
50W
40
30
20
10
0
A1
Orientation
Power
Supply
Ambient Temperature
INPUT
10
20
30
40
50
60°C
60°C
60°C
60°C
60°C
Fig. 27-9
Mounting
Output Power
T U I N P
50W
40
30
20
10
0
A2
Orientation B
(Upside down)
A1
y
u p S p l
r e w P o
U P T O U T
Ambient Temperature
10
20
30
40
50
Fig. 27-10
Output Power
Mounting
Orientation C
(Table-top
50W
40
30
20
10
0
A2
A1
mounting)
Ambient Temperature
10
20
30
40
50
Fig. 27-11
Mounting
Orientation D
(Horizontal cw)
Output Power
50W
40
30
20
10
0
A2
A1
Ambient Temperature
10
20
30
40
50
Fig. 27-12
Mounting
Orientation E
(Horizontal ccw)
Output Power
50W
40
30
20
10
0
A2
A1
Ambient Temperature
10
20
30
40
50
Mar. 2007 / Rev. 1.0 DS-ML50.100-EN
All parameters are specified at 24V, 2.1A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
20/20
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