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HWS 30A-150A/ME Series
BEFORE USING THE POWER SUPPLY UNIT
Be sure to read this instruction manual thoroughly before using this product. Pay attention to all cautions and warnings before using
this product. Incorrect usage could lead to an electrical shock, damage to the unit or a fire hazard.
DANGER
Never use this product in locations where flammable gas or ignitable substances are present.
INSTALLATION WARNING
When installing, ensure that work is done in accordance with the instruction manual.
When installation is improper, there is risk of electric shock and fire.
Installation shall be done by Service personnel with necessary and appropriate technical training and experience.
There is a risk of electric shock and fire.
Do not cover the product with cloth or paper etc. Do not place anything flammable around.
This might cause damage, electric shock or fire.
WARNING on USE
Do not touch this product or its internal components while circuit in operation, or shortly after shutdown. You may receive a burn.
While this product is operating, keep your hands and face away from it as you may be injured by an unexpected situation.
For products with no cover, do not touch them as there are high-voltage and high temperature parts inside.
Touching them might cause injury such as electric shock or burn.
There are cases where high voltage charge remains inside the product immediately after the input is cut off.
Therefore, do not touch even if they are not in operation as you might get injured due to high voltage and high temperature.
You might also get electric shock or burn.
Do not make unauthorized changes to this product nor remove the cover as you might get an electric shock or might damage the
product. We will not be held responsible after the product has been modified, changed or dis-assembled.
Do not use this product under unusual condition such as emission of smoke or abnormal smell and sound etc.
Please stop using it immediately and shut off the product. It might lead to fire and electric shock. In such cases, please contact us.
Do not attempt repair by yourself, as it is dangerous for the user.
Do not operate and store these products in environments where condensation occurs due to moisture and humidity.
It might lead fire and electric shock.
Do not drop or apply shock to this product. It might cause failure. Do not operate these products mechanical stress is applied.
When necessary, this products is to be repaired only by us or our authorized agents. It is important that this product cannot be used
in hazardous environments (facilities such as nuclear power control system or life support equipment) without our written consent.
CAUTION on MOUNTING
Confirm connections to input/output terminals are correct as indicated in the instruction manual before switching on.
Input voltage, Output current, Output power, ambient temperature and ambient humidity should be kept within specifications,
otherwise the product will be damaged.
Input line, please use the wires as short and thick as possible.
Do not use this product in special environment with strong electromagnetic field, corrosive gas or conductive substances and
direct sunlight, or places where product is exposed to water or rain.
Mount this product properly in accordance with the instruction manual, mounting direction and shall be properly be ventilated.
Please shut down the input when connecting input and output of the product.
When installing in environment where conductive foreign, dust and liquid may be present, please consider penetration of above
foreign material in the power supply by installing filter, to prevent trouble or malfunction.
Instruction Manual
1
TDK-Lambda
HWS 30A-150A/ME Series
INSTRUCTION MANUAL
A256-04-01/ME-B

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Summary of Contents for TDK-Lambda HWS 30A-150A/ME Series

  • Page 1 TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL HWS 30A-150A/ME Series Instruction Manual BEFORE USING THE POWER SUPPLY UNIT Be sure to read this instruction manual thoroughly before using this product. Pay attention to all cautions and warnings before using this product. Incorrect usage could lead to an electrical shock, damage to the unit or a fire hazard.
  • Page 2: Caution On Use

    TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL CAUTION on USE  Product individual notes are shown in the instruction manual. If there is any difference with common notes individual notes shall have priority.  Before using this product, be sure to read the catalog and instruction manual.
  • Page 3 TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL SPECIAL INSTRUCTIONS FOR IEC/EN/ES/CSA 60601-1  These products are designed for continuous operation within an overall enclosure, and must be mounted such that access to the mains terminals is restricted. See Clause 8, IEC/EN/ES/CSA60601-1.
  • Page 4 TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL 1. Model name identification method HWS 30A – 5 / ME□ (*1) Option (*1) ME :Approved by safety standards for medical equipment. Rated Output Voltage MEA:Approved by safety standards for medical equipment with cover type.
  • Page 5: Block Diagram

    TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL 3. Block Diagram HWS30A/ME, HWS30A/MEA Inrush Current Limit Circuit Input Output 85~265VAC Circuit Photo- Circuit coupler Sensing Photo- Output coupler Sensing HWS50A/ME, HWS50A/MEA Input Output 85~265VAC Circuit Photo- Circuit coupler Sensing Photo- Output coupler...
  • Page 6: Sequence Time Chart

    TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL HWS100A/ME, HWS150A/ME, HWS100A/MEA, HWS150A/MEA Input Output 85~265VAC Circuit Photo- Circuit coupler Sensing Photo- Output coupler Sensing ・Circuit topology, Switching frequency Switching Circuit HWS30A/ME, HWS50A/ME, HWS30A/MEA, HWS50A/MEA : Flyback topology 100kHz HWS100A/ME, HWS150A/ME, HWS100A/MEA, HWS150A/MEA : Cascade forward topology 120kHz...
  • Page 7: Connecting Method

    TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL 5. Connecting method Pay attention to the input wiring. If it is connected to wrong terminal, the power supply will be damaged. · Input must be off when making connections. · Connect FG terminal to earth (frame ground of the equipment etc.) by thick wire for safety and improvement of noise sensitivity.
  • Page 8 TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL 6. Explanation of Functions and Precautions 6-1. Input Voltage Range Input voltage range is single phase 85-265VAC(47-63Hz) or 120-370VDC. Input voltage, which is out of specifica- tion, might lead unit damage. For cases where conformance to various safeties required, described as 100-240VAC (50-60Hz).
  • Page 9: Output Ripple & Noise

    TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL 6-6. Remote Sensing (+S, –S terminal) (For HWS100A/ME, HWS150A/ME, HWS100A/MEA, HWS150A/MEA) This function compensates voltage drop of wiring from output terminals to load terminals. Connect “+S” terminal to – – “+” terminal of load and “...
  • Page 10 TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL 6-8. Series Operation For series operation, either method ( A ) or ( B ) is possible. Method ( A ) Method ( B ) + Power Power Load Supply Supply - + Load -...
  • Page 11: Withstand Voltage

    TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL 6-11. Withstand Voltage This series is designed to withstand 3.0kVAC between input and output, 2.0kVAC between input and FG and 500VAC between output and FG each for 1 minute. When testing withstand voltage, set current limit of withstand voltage test equipment at 20mA.
  • Page 12: Mounting Method

    Recommend standard mounting is direction ( A ). Direction ( B ), ( C ) and ( D ) are also possible. For oth- er mounting directions, please inquire to TDK-Lambda. Refer to the derating below. Please do not use mounting direction ( E ), where the PCB will be on the topside and heat will be trapped inside the unit.
  • Page 13 TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL ■Output Derating HWS30A/ME Load (%) Ta (℃) Mounting (A),(B),(C),(D) -10 ~ +50 HWS50A/ME Load (%) Ta (℃) Mounting (A) Mounting (B),(D) Mounting (C) -10 ~ +45 HWS100A/ME Load (%) Ta (℃) Mounting (A) Mounting (B) Mounting (C),(D) -10 ~...
  • Page 14 TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL HWS150A/ME Load (%) Ta (℃) Mounting (A) Mounting (B) Mounting (C),(D) -10 ~ +30 HWS30A/MEA ( With cover type ) Load (%) Ta (℃) Mounting (A) Mounting (B),(C),(D) -10 ~ +40 HWS50A/MEA ( With cover type ) Load (%)
  • Page 15 TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL HWS100A/MEA ( With cover type ) *Refer to dotted line for output derating curve, when input voltage range is "85VAC≦Vin<90VAC" for the Mounting (A). Load (%) Ta (°C) Mounting (A) Mounting (B) Mounting (C) Mounting (D) -10 ~...
  • Page 16: Wiring Method

    TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL 8. Wiring Method (1) The output load line and input line shall be separated, and use all lines as thick and short as possible to make lower impedance. The output load line and input line shall be twisted or use shielded wire to improve noise sensitivity.
  • Page 17: Warranty Period

    TDK-Lambda HWS 30A-150A/ME Series INSTRUCTION MANUAL 11. Before concluding that the unit is at fault… Before concluding that the unit is at fault, make the following checks. (1) Check if the rated input voltage is connected. (2) Check if the wiring of input and output is correct.

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