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TDK-Lambda ZWS300RC Series, Инструкция по эксплуатации

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INSTRUCTION MANUAL

ZWS300RC 

Series

TDK-Lambda

<Page>

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 
specification, might lead the product damage. 
For cases where conformance to various safeties required, described as 100-240VAC (50-60Hz). Output 
derating is required for input voltage less than 90VAC or less than 127VDC.

6-2. Output Voltage Adjustment Range

Output voltage is set to rated value at shipment. Output voltage can be adjusted by output voltage adjustment 
trimmer (VR51). Please set output voltage within specified adjustable range.
Turning the trimmer clockwise, the output voltage will be increased. Take note when the output voltage is
increased. excessively, over voltage protection (OVP) function may trigger and voltage will be shut down.
Furthermore, when increasing the output voltage, reduce the output current as not to exceed the maximum
output power.
When the trimmer turns quickly at no load condition, the output voltage might become unstable. To maintain
the output  voltage stable, flow the output current, or remove the input of the product until the output be shut 
down, and then re-input. Please turn the trimmer slowly during the output voltage adjustment.

6-3. Inrush Current

Inrush current is suppressed by power thermistor for the product. Higher current will flow at higher ambient
temperature or re-input on condition. Please select input switch or external fuse carefully. The inrush
current value specified in the specification is under cold start condition (at 25

o

C).

6-4. Over Voltage Protection (OVP)

   The OVP function is output shut down method and manual reset type. OVP function operates within 115-135%             
   of nominal output voltage.

When OVP triggered, the output will be shut down. To reset OVP, remove the input of the product for a few
minutes, and then re-input or remote control (Option) OFF/ON is required. In addition, the setting value of OVP is 
fixed and not adjustable. Never apply higher
voltage externally to the output terminal to avoid the product Failure. In case of inductive load, put protective
diode in series to the output power line.

6-5. Over Current Protection (OCP)

Constant current limit with automatic recovery. 
OCP function operates when the output current exceeds 105% of maximum DC output current of specification.
The outputs will be automatically recovered when the overload condition is removed. Never operate the unit 
under over current or shorted conditions, which may lead unit damage. OCP setting is fixed and cannot be 
adjusted externally.

8/17

Содержание ZWS300RC Series

Страница 1: ...o 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 ...

Страница 2: ...r or dust there is possibility of product failure or malfunction Provide countermeasure for prevention of lightning surge voltage noise and static electricity as there is risk of damage due to abnormal voltage Connect together the frame ground terminal of the product and the ground terminal of the equipment for safety and noise reduction If these ground is not connected together there is risk of e...

Страница 3: ...hock or mechanical stress applied directly to the product Please keep away from direct sunlight For long term storage temperature and humidity the following conditions shall be used as a guideline Temperature range 5 30 Humidity range 40 60 RH Please keep away from the places where temperature and humidity can change drastically It can cause condensation on the product or deterioration For long te...

Страница 4: ...diameter φ3 5mm These holes are connected to terminal of CN1 Must be connected to Chassis Conductor of the equipment by electrically conductive spacer Mounting hole hole diameter φ3 5mm These holes are not connected to terminal of CN1 V Output terminal V Output terminal V ADJ Output voltage adjustment trimmer The output voltage rises when a trimmer is turned clockwise Remote ON OFF control termina...

Страница 5: ...kHz 70kHz Spread Fuse rating 6 3A 5 17 Line Filter Rectifier Circuit PFHC Circuit Inrush Current Limit Circuit Filter Circuit Switching Circuit Control Circuit L N Control Circuit OCP Circuit OVP Circuit Output Sensing Photo coupler Photo coupler Rectifier Filter Circuit Remote ON OFF Control Photo coupler Input 85 265VAC FG V V Output R R Option model R OVP Sensing Option model BM ...

Страница 6: ...her than 4 5V Output on Lower than 0 8V Output off This sequence is using external voltage 2 OVP detection point 115 135 6 17 0V Vout H 0V L Input Voltage Output Voltage Remote ON OFF Control R R Level 1 OVP point 2 Input on Input off Input on Remote off Remote on OVP act on Input off OCP act on OCP reset ...

Страница 7: ...s product Use the terminal pin SVH 21T P1 1 or BVH 21T P1 1 when output current per connector pin is 5A or less Use the terminal pin SVH 41T P1 1 or BVH 41T P1 1 when output current per connector pin is 7A or less Use recommended crimping tool Connector Housing and Terminal Pin Matching housing and terminal Not included with the product Hand Crimping Tool 7 17 COMPONENT SIDE OUTPUT INPUT LOAD 1 3 ...

Страница 8: ...n and then re input Please turn the trimmer slowly during the output voltage adjustment 6 3 Inrush Current Inrush current is suppressed by power thermistor for the product Higher current will flow at higher ambient temperature or re input on condition Please select input switch or external fuse carefully The inrush current value specified in the specification is under cold start condition at 25o C...

Страница 9: ... ripple cannot be measured accurately if the probe ground lead of oscilloscope is too long 6 7 Series Operation For series operation either method A or B is possible Never use when one of the unit not operate which leads damage In series operation the rising waveform may have steps A B 9 17 Coaxial Cable 1 5 m 50Ω C2 Load A Power Supply V V 150mm C1 R1 C3 Oscilloscope Bandwidth 100MHz C1 0 1uF Fil...

Страница 10: ...ons 4 When using RP 60 20 output load current should be used within specifications When using ORing diode current rating must be more than output load current A B 6 9 Isolation Test Isolation resistance between Output terminal is more than 100MΩ at 500VDC For safety operation voltage setting of DC isolation tester must be done before the test Ensure that the product is fully discharged after the t...

Страница 11: ...nd voltage please add external capacitor to Output and terminal It can decrease the voltage On the other hand no need to check the voltage in case of Output and terminal is shorted The example of noise filter circuit that External capacitor adding point or short point may increase capacitance value between Even in the case of V and Input and there is a similar effect Capacitance value in dashed li...

Страница 12: ...uction manual ZBM AC connectable quantity ZBM AC connection example Output power vs Hold up time characteristics ZWS300C Input Voltage 200VAC Ta 25 Initial state of capacitor capacity 12 17 0 50 100 150 200 250 300 100 1000 10000 Output Power W Buffer Time msec 1 UNIT 2 UNITS 3 UNITS 4 UNITS ZWS300RC ZBM AC or ZBM AC S ZBM AC The following connections are not possible ZWS300RC ZWS300RC ZBM AC Maxi...

Страница 13: ... the output derating below load is percent of maximum output current value in a rated output voltage Convection Cooling 85 Vin 170VAC or 120 Vin 240VDC Derating is required for less than 90VAC or less than 127VDC Refer to 7 3 Output Derating according to the Input Voltage for more information 13 17 CN 1 INPUT CN 1 CN1 CN 1 FIN CN 1 FIN MOUNTINGA MOUNTINGB MOUNTINGC MOUNTINGD MOUNTINGE 10 20 100 10...

Страница 14: ... 45 100 85 88 55 75 50 100 77 77 46 70 60 65 53 53 28 40 70 30 30 30 10 10 Ta C Load Air velocity 0 7m s Air velocity 1 4m s Load Load MOUNTINGA E MOUNTINGA E 10 50 100 10 60 100 70 60 70 70 Ta C Ta C 0 20 40 60 80 100 120 10 0 10 20 30 40 50 60 70 80 Load Ta oC MOUNTING A MOUNTING B MOUNTING C MOUNTING D MOUNTING E 0 20 40 60 80 100 120 10 0 10 20 30 40 50 60 70 80 Load Ta oC MOUNTING A E Air vel...

Страница 15: ...e area by metal pieces is 9mm from each PCB corners Refer to figure below If the space is not enough the specification of isolation and withstand will not be satisfied Take the space in the product surroundings and the upper area of components to keep enough for convection cooling 15 17 9mm 9mm 9mm 9mm 9mm 9mm 9mm 9mm 負荷 80 85 100 90 265 入力電圧 120127 370 Load Input Voltage VAC VDC Mounting Hole Hei...

Страница 16: ...ark in below figure 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 2 Input Output lines shall be twisted and separated from the output lines 3 Noise can be eliminated by attaching a capacitor to the...

Страница 17: ...t is at fault Before concluding that the product 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 3 Check if the wire size is not too thin 4 Check if the output voltage control V ADJ is properly adjusted 5 Check if the output current and output power does not over specifications 6 Audible noise can be heard w...

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