MEAN WELL RSD-30 Series 30W Reliable Railway DC Converter Owner’s Manual

MEAN WELL RSD-30 Series 30W Reliable Railway DC Converter

Features

• Compliance to BS EN/EN50155 and BS EN/EN45545-2 railway standard
• Ultra compact and 1U low profile(25mm)
• 4:1 wide input range
• No minimum load required
• Protections: Short circuit / Overload / Over voltage

Input reverse polarity

• 4000VDC I/O isolation (reinforced isolation)
• Half encapsulated, cooling by free air convection
• -40~+70°C wide working temperature
• Built-in constant current limiting circuit
• LED indicator for power on
• 3 years warranty

Applications

• Bus, tram, metro or railway system
• Wireless network
• Telecom or datacom system
• Highly vibrating, highly dusty, extremely low or high-temperature harsh environment

GTIN CODE
MW Search: htts://www.meanwell.com/serviceGTIN.asox

Description

RSD-30 is a 30W enclosed type DC-DC reliable railway converter. This series is compliant with BS EN/EN50155/ IEC60571 railway standard, constituting three types of models with 4:1 wide but different input ranges 9~36V/18~72V/40~160V, suitable for railway and all kinds of transportation systems exploiting the frequently used standard input voltages such as 12V, 24V, 36V, 48V, 72V, 96V and 110V. Various output voltages, 3.3V, 5V, 12V and 24V are available for selection.

This series has the capability of working under -40~+70°C, low ripple and noise, supreme EMC characteristics, 4KVDC I/P-OP, a low enclosure profile of 25mm and an interior with semi-potted silicone. It not only fits the in-car systems or the facilities by rails for railways, trams and buses but also can be used in harsh environments with high vibration, high dust, extremely low or high temperatures, etc.

Model Encoding

SPECIFICATION

MODEL| | RSD-30G-3.3| RSD-30G-5| RSD-30G-12| RSD- 30G-24| RSD-30L-3.3| RSD-30L-5| RSD-30L-12| RSD-30L-24
---|---|---|---|---|---|---|---|---|---

OUTPUT

| DC VOLTAGE| 3.3V| 5V| 12V| 24V| 3.3V| 5V| 12V| 24V
RATED CURRENT| 6A| 6A| 2.5A| 1.25A| 6A| 6A| 2.5A| 1.25A
CURRENT RANGE| 0 ~ 6A| 0 ~ 6A| 0 ~ 2.5A| 0 ~ 1.25A| 0 ~ 6A| 0 ~ 6A| 0 ~ 2.5A| 0 ~ 1.25A
RATED POWER| 19.8W| 30W| 30W| 30W| 19.8W| 30W| 30W| 30W
RIPPLE & NOISE (max.) Note.2| 70mVp-p| 70mVp-p| 60mVp-p| 50mVp-p| 70mVp-p| 70mVp-p| 60mVp-p| 50mVp-p
VOLTAGE TOLERANCE Note.3| ±2.0%| ±2.0%| ±2.0%| ±2.0%| ±2.0%| ±2.0%| ±2.0%| ±2.0%
LINE REGULATION| ±0.5%| ±0.5%| ±0.3%| ±0.2%| ±0.5%| ±0.5%| ±0.3%| ±0.2%
LOAD REGULATION| ±0.5%| ±0.5%| ±0.3%| ±0.2%| ±0.5%| ±0.5%| ±0.3%| ±0.2%
SETUP, RISE TIME| 120ms, 85ms at full load
HOLD UP TIME (Typ.)| Please refer to page 5 Hold up Time( Load de-rating curve )

INPUT

| VOLTAGE RANGE CONTINUOUS| 9 ~ 36VDC| 18 ~ 72VDC
EFFICIENCY (Typ.)| 84%| 84%| 86.5%| 89%| 84%| 86%| 90%| 91%
DC CURRENT (Typ.)| 1.1A/24V| 1.5A/24V| 0.52A/48V| 0.8A/48V
INRUSH CURRENT (Typ.)| 20A/24VDC| 20A/48VDC

INTERRUPTION OF VOLTAGE SUPPLY

| EN50155:2007-G type comply with S1 level(3ms) @full load,S2 level(10ms) @80% load; L type comply with S2 level(10ms) @full load
EN50155:2017-Comply with S1 level

PROTECTION

| ****

OVERLOAD

| 105 ~ 135% rated output power
Protection type : Constant current limiting, recovers automatically after fault condition is removed

OVER VOLTAGE

| 3.8 ~ 4.5V| 5.75 ~ 7V| 13.8 ~ 16.2V| 27.6 ~ 32.4V| 3.8 ~ 4.5V| 5.75 ~ 7V| 13.8 ~ 16.2V| 27.6 ~ 32.4V
Protection type : Shut down o/p voltage, re-power on to recover

ENVIRONMENT

| WORKING TEMP.| -40 ~ +55℃ (no derating) ; +70℃ @ 60% load by free air convection ; +70℃ (no derating with external base plate)
WORKING HUMIDITY| 5 ~ 95% RH non-condensing
STORAGE TEMP.| -40 ~ +85℃
TEMP. COEFFICIENT| ±0.03%/℃ (0 ~ 50℃)
VIBRATION| 10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes ; Mounting : compliance to IEC61373
OPERATING ALTITUDE| 5000 meters

SAFETY & EMC

(Note 4)

| SAFETY STANDARDS| IEC 62368-1, UL 62368-1, AS/NZS 62368-1, EAC TP TC 004 approved, Design refer to BS EN/EN62368-1
WITHSTAND VOLTAGE| I/P-O/P:4KVDC  I/P-FG:2.5KVDC  O/P-FG:2.5KVDC
ISOLATION RESISTANCE| I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH

EMC EMISSION

| Parameter| Standard| Test Level / Note
Conducted| BS EN/EN55032| Class A
Radiated| BS EN/EN55032| Class B
Harmonic Current| BS EN/EN61000-3-2| —–
Voltage Flicker| BS EN/EN61000-3-3| —–

EMC IMMUNITY

| BS EN/EN55035
Parameter| Standard| Test Level / Note
ESD| BS EN/EN61000-4-2| Level 3, ±8KV air ; Level 3, ±6KV contact
Radiated Field| BS EN/EN61000-4-3| Level X, 20V/m
EFT / Burst| BS EN/EN61000-4-4| Level 3, 2KV at power
Surge| BS EN/EN61000-4-5| Level 3,1KV Line-Line, Level 3, 2KV Line-Earth
Conducted| BS EN/EN61000-4-6| Level 3
RAILWAY STANDARD| Compliance to BS EN/EN45545-2 for fire protection ;BS EN/EN50155 / IEC60571 including IEC61373 for shock & vibration, BS EN/EN50121-3-2 for EMC

OTHERS

| MTBF| 3093.5K hrs min.       Telcordia SR-332 (Bellcore) ; 396.9K hrs min.        MIL-HDBK-217F (25℃)
DIMENSION| 1136025mm (LWH)
PACKING| 0.25Kg; 56pcs/15Kg/0.81CUFT

NOTE

| 1.  All parameters NOT specially mentioned are measured at 24,48VDC input, rated load and 25℃ of ambient temperature.

2.  Ripple & noise are measured at 20MHz of bandwidth by using a 12″ twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.

3.  Tolerance : includes set up tolerance, line regulation and load regulation.

4.  The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re- confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on http://www.meanwell.com)

5.  Strongly recommended that external output capacitance should not exceed 5000uF.

6.  The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).

※ Product Liability Disclaimer：For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx

OUTPUT

| DC VOLTAGE| 3.3V| 5V| 12V| 24V
RATED CURRENT| 6A| 6A| 2.5A| 1.25A
CURRENT RANGE| 0 ~ 6A| 0 ~ 6A| 0 ~ 2.5A| 0 ~ 1.25A
RATED POWER| 19.8W| 30W| 30W| 30W
RIPPLE & NOISE (max.) **Note.2| 70mVp-p| 70mVp-p| 60mVp-p| 50mVp-p
VOLTAGE TOLERANCE Note.3| ±2.0%| ±2.0%| ±2.0%| ±2.0%
LINE REGULATION| ±0.5%| ±0.5%| ±0.3%| ±0.2%
LOAD REGULATION| ±0.5%| ±0.5%| ±0.3%| ±0.2%
SETUP, RISE TIME| 120ms, 85ms at full load
HOLD UP TIME (Typ.)**| Please refer to page 5 Hold up Time( Load de-rating curve )

INPUT

| VOLTAGE RANGE CONTINUOUS| 40 ~ 160VDC
EFFICIENCY (Typ.)| 87%| 87%| 89%| 89%
DC CURRENT (Typ.)| 0.23A/110V| 0.35A/110V
INRUSH CURRENT (Typ.)| 20A/110VDC

INTERRUPTION OF VOLTAGE SUPPLY

| EN50155:2007-H-type comply with S2 level(10ms) @ full load
EN50155:2017-Comply with S1 level

PROTECTION

| ****

OVERLOAD

| 105 ~ 135% rated output power
Protection type : Constant current limiting, recovers automatically after fault condition is removed

OVER VOLTAGE

| 3.8 ~ 4.5V| 5.75 ~ 7V| 13.8 ~ 16.2V| 27.6 ~ 32.4V
Protection type : Shut down o/p voltage, re-power on to recover

ENVIRONMENT

| WORKING TEMP.| -40 ~ +55℃ (no derating) ; +70℃ @ 60% load by free air convection ; +70℃ (no derating with external base plate)
WORKING HUMIDITY| 5 ~ 95% RH non-condensing
STORAGE TEMP.| -40 ~ +85℃
TEMP. COEFFICIENT| ±0.03%/℃ (0 ~ 50℃)
VIBRATION| 10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes ; Mounting : compliance to IEC61373
OPERATING ALTITUDE| 5000 meters

SAFETY & EMC

(Note 4)

| SAFETY STANDARDS| IEC 62368-1, UL 62368-1, AS/NZS 62368-1, EAC TP TC 004 approved, Design refer to BS EN/EN62368-1
WITHSTAND VOLTAGE| I/P-O/P:4KVDC  I/P-FG:2.5KVDC  O/P-FG:2.5KVDC
ISOLATION RESISTANCE| I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH

EMC EMISSION

| Parameter| Standard| Test Level / Note
Conducted| BS EN/EN55032| Class A
Radiated| BS EN/EN55032| Class B
Harmonic Current| BS EN/EN61000-3-2| —–
Voltage Flicker| BS EN/EN61000-3-3| —–

EMC IMMUNITY

| BS EN/EN55035
Parameter| Standard| Test Level / Note
ESD| BS EN/EN61000-4-2| Level 3, ±8KV air ; Level 3, ±6KV contact
Radiated Field| BS EN/EN61000-4-3| Level X, 20V/m
EFT / Burst| BS EN/EN61000-4-4| Level 3, 2KV at power
Surge| BS EN/EN61000-4-5| Level 3,1KV Line-Line, Level 3, 2KV Line-Earth
Conducted| BS EN/EN61000-4-6| Level 3
RAILWAY STANDARD| Compliance to BS EN/EN45545-2 for fire protection;BS EN/EN50155 /IEC60571 including IEC61373 for shock & vibration,BS EN/EN50121-3-2 for EMC

OTHERS

| MTBF| 3093.5K hrs min.       Telcordia SR-332 (Bellcore) ; 396.9K hrs min.        MIL-HDBK-217F (25℃)
DIMENSION| 1136025mm (LWH)
PACKING| 0.25Kg; 56pcs/15Kg/0.81CUFT

NOTE

| 1.  All parameters NOT specially mentioned are measured at 110VDC input, rated load and 25℃ of ambient temperature.

2.  Ripple & noise are measured at 20MHz of bandwidth by using a 12″ twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.

3.  Tolerance : includes set up tolerance, line regulation and load regulation.

4. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re- confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on http://www.meanwell.com)

5.  Strongly recommended that external output capacitance should not exceed 5000uF.

6.  The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).

※ Product Liability Disclaimer：For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx

NOTE

1. All parameters NOT specially mentioned are measured at 24,48VDC input, rated load and 25 C of ambient temperature.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12″ twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
3. Tolerance: includes set up tolerance, line regulation and load regulation.
4. The power supply is considered a component that will be installed into the final equipment.
5. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness.
6. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on http://www.meanwell.com)
7. Strongly recommended that external output capacitance should not exceed 5000uF.
8. The ambient temperature derating of 3.5 C/1000m with fanless models and of 5 C/1000m with fan models for operating altitudes higher than 2000m(6500ft).
9. Product Liability Disclaimer: For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx

Block Diagram

Input Fuse
There is one fuse connected in series to the positive input line, which is used to protect against abnormal surges. The fuse specifications of each model are shown below.

Input Reverse Polarity Protection
There is a MOSFET connected in series to the negative input line. If the input polarity is connected reversely, the MOSFET opens and there
will be no output to protect the unit.

Input Range and Transient Ability
The series has a wide range of input capabilities. With ‡40% of rated input voltage, it can withstand that for 1 second.

Input Under-Voltage Protection
If the input voltage drops below Vimin, the internal control IC shuts down and there is no output voltage. It recovers automatically when the input voltage reaches above Vimin, please refer to the curve below.

Inrush Current
Inrush current is suppressed by a resistor during the initial start-up, and then the resistor is bypassed by a MOSFET to reduce power consumption after accomplishing the start-up.

Hold-up Time
EN50155: 2007 version – H type complies with the $2 level (10ms), while G and L types comply with the S1 level (3ms) at full load output condition. To fulfil the requirements of S2 level (10ms), G types require de-rating their output load to 80%, please refer to the curve diagrams below 50155: 2017 version – Comply with S1 level (3ms)

Output Voltage Adjustment
This function is optional, which the standard product does not have. If you do need the function, please contact MW for details.

Efficiency vs Load & Vin Curve

The efficiency vs load & Vin curves of each model are shown below.

Parallel and Series Connection

Operation in Parallel

Since the RSD-30 series doesn’t have a built-in parallel circuit, it can only use external circuits to achieve redundant operation but not increase the current rating. Add a diode at the positive output of each power supply (as shown below), the current rating of the diode should be larger than the maximum output current rating and attached to a suitable heat sink.

This is only for redundant use (to increase the reliability of the system) and users have to check the suitability of the circuit by themselves. When using S.P.S. in parallel connection, the leakage current will increase at the same time. This could pose a shock hazard for the user. So please contact the supplier if you have this kind of application.

Operation in Series
RSD-30 can be operated in series. Here are the methods of doing it: Positive and negative terminals are connected as shown below. According to the connection, you can get the positive and negative output voltages for your loads. Increase the output voltage (current does not change). Because the RSD-30 series has no reverse blocking diode in the unit, you should add an external blocking diode to prevent damage to every unit while starting up. The voltage rating of the external diode should be larger than V1+V2 (as shown below).

Overload Protection

If the output draws up to 105~135% of its output power rating, the converter will go into overload protection which is constant current mode. After the faulty condition is removed, it will recover automatically. Please refer to the diagram below for the detailed operation characteristics. Please note that it’s not suitable to operate within the overload region continuously, or it may cause over temperature and reduce the life of the power supply unit or even damage it.

Over Voltage Protection
The converter shuts off to protect itself when the output voltage drawn exceeds 115-140% of its output rating. It must be repowered to recover.

LED Indicator
Equipped with a built-in LED indicator, the converter provides an easy way for users to check its condition through the LED indicator.

Green: normal operation; No signal: no power or failure.

Derating Curve

Single unit operation
If the unit has no iron plate mounted on its bottom, the maximum ambient temperature for the unit will be 55°C when operating under full load conditions. It requires a de-rating output current when the ambient temperature is between 55~70°C, please refer to the de-rating curve below. Suitable installation methods are shown below. Since RSD-30 is a semi-potted model, its thermal performances for the following installation methods are similar and share the same derating curve.

Operate with additional iron plate
If it is necessary to fulfil the requirements of EN50155 TX level that operate the unit fully loaded at 70°C, the RSD-30 series must be installed onto an iron plate on the bottom. The size of the suggested iron plate is shown below. For optimal thermal performance, the iron plate must have an even & smooth surface and the RSD-30 series must be firmly mounted at the centre of the iron plate. The load vs ambient temperature curve is shown below Suitable installation methods are shown as below. Since RSD-30 is a semi-potted model, its thermal performances for the following installation methods are similar and share the same derating curve.

Immunity to Environmental Conditions

EN 60068-2-1

| Temperature: -40℃

Dwell Time: 2 hrs/cycle

| No damage
__

Dry Heat Test

| EN 50155 section 12.2.4 (Column 2, Class TX)

EN 50155 section 12.2.4 (Column 3, Class TX & Column 4, Class TX) EN 60068-2-2

| Temperature: 70℃ / 85℃ Duration: 6 hrs / 10min| __

PASS

__

Damp Heat Test, Cyclic

| EN 50155 section 12.2.5

EN 60068-2-30

| Temperature: 25℃~55℃ Humidity: 90%~100% RH Duration: 48 hrs| __

PASS

__

Vibration Test

| EN 50155 section 12.2.11

EN 61373

| Temperature: 19℃ Humidity: 65%

Duration: 10 mins

| __

PASS

__

Increased Vibration Test

| EN 50155 section 12.2.11

EN 61373

| Temperature: 19℃ Humidity: 65%

Duration: 5 hrs

| __

PASS

__

Shock Test

| EN 50155 section 12.2.11

EN 61373

| Temperature: 21± 3℃ Humidity: 65 ± 5%

Duration: 30ms*18

| __

PASS

__

Low Temperature Storage Test

| EN 50155 section 12.2.3 (Column 2, Class TX)

EN 60068-2-1

| Temperature: -40℃ Dwell Time: 16 hrs| __

PASS

__

Salt Mist Test

| __

EN 50155 section 12.2.10 (Class ST4)

| Temperature: 35℃±2℃ Duration: 96 hrs| __

PASS

EN45545-2 Fire Test Conditions

PASS
R26| Vertical flame test| EN 45545-2:2013+A1:2015 EN 60695-11:2003| PASS| PASS| PASS

Mechanical Specification

Installation Manual
Please refer to: http://www.meanwell.com/manual.html

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