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INSTRUCTION MANUAL

ZWS240RC

Series

TDK­Lambda

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4­7. Series Operation

For series operation, either method (A) or (B) is possible.
In series operation, the actual voltage between output and

must be less than withstand voltage (500VAC).

In addition, take note that using the product with total output voltage 60V or more does not comply with SELV
in safety standard.  In series operation, the rising waveform may have steps.
When connecting with a battery, connect an ORing­diode to the output side of the product.

A

B

Note :In case of connecting bypass diodes with method (A), please select a bypass diode with maximum

forward current rating more than output load current. And maximum reverse voltage must withstand each
power supply output voltage.
But ensure that all products must be in operation.
(Never use in condition that one of the product is not operated.)
Series operation also can be used without bypass diode.

4­8. Parallel Operation

(A) Operation to increase the output current is not possible.
(B) Operation as a Backup System

Connect our reverse prevention module "RP­60­20" or ORing­diode to the output side of the product.

(1) Adjust each product output to same voltage. (The difference of each product output voltage should

be within ±5%.)

(2) Adjust the output voltage higher by the value of the voltage drop (90mV typ.) of RP­60­20 or the forward

voltage drop (Vf) of ORing­diode.

(3) Output voltage and output power should be used within specifications.
(4) When using RP­60­20, output load current should be used within specifications. When using 

ORing­diode, current rating must be more than output load current.

(A)

(B)

6/12

Output

Terminal

Output

Terminal

load

For more information about RP­60­20, 
please refer to 

RP­60­20 Instruction Manual

.

RP­60­20 can be replaced by ORing­diode. In such 
case, please take care of ORing­diode temperature. 

Bypass Diodes

load

Output

Terminal

Output

Terminal

load

load

Output

Terminal

Output

Terminal

Output

Terminal

Output

Terminal

load

RP

or

ORing­diode

RP or

ORing­diode

Содержание ZWS240RC Series

Страница 1: ...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...

Страница 2: ...field corrosive gas or conductive substances and direct sunlight or places where product is exposed to water or rain The product are PC Board Type which have surface mounted components on the solder side of PCB PCB stress such as bending twisting etc could cause damage Therefore please handle with care When handling the product hold the board edge and take care not to touch the component side When...

Страница 3: ...t terminal Neutral line Earth terminal Mounting hole hole diameter φ3 5mm These holes are connected to terminal of CN1 Must be connected to electrically conductive spacer The mounting surface of the spacer should be within Maxφ8mm Mounting hole hole diameter φ3 5mm These holes are not connected to terminal of CN1 Output terminal Output terminal V ADJ Output voltage adjustment trimmer The output vo...

Страница 4: ...ired described as 100 240VAC 50 60Hz Output derating is required for AC input voltage less than 90VAC 4 2 Output Voltage Range Output voltage is set at the rated value Output voltage within the range specified can be adjusted by V ADJ trimmer Please set output voltage within specified adjustable range Turning the trimmer clockwise the output voltage will be increased Take note when the output volt...

Страница 5: ...d put protective diode in series to the output power line 4 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 le...

Страница 6: ...t bypass diode 4 8 Parallel Operation A Operation to increase the output current is not possible B Operation as a Backup System Connect our reverse prevention module RP 60 20 or ORing diode to the output side of the product 1 Adjust each product output to same voltage The difference of each product output voltage should be within 5 2 Adjust the output voltage higher by the value of the voltage dro...

Страница 7: ... high impulse voltage at switch on and off timing Connect input and output as follows Input Output dotted line 3 0kVAC 1min 10mA Output terminal 500VAC 1min 20mA Input terminal solid line 2 0kVAC 1min 10mA Note1 In case of using external noise filter capacitance between Input and terminal might be increased When testing withstand voltage between Input and Output there is a possibility exceeding wi...

Страница 8: ...he output derating below load is percent of maximum output current value in a rated output voltage Convection Cooling The output derating below also can be used when input voltage is 170VAC 265VAC for the Mounting D or E 0 20 40 60 80 100 120 20 10 0 10 20 30 40 50 60 70 80 Load Ta 8 12 CN 1 INPUT CN 1 CN1 CN 1 FIN CN 1 FIN CN1 Mounting A Mounting B C Mounting D Mounting E Mounting D E Ta C 20 50 ...

Страница 9: ...se all mounting holes A for the product installation The vibration spec is specified under this mounting condition Please use mounting hole B as needed vibratility resistant improves 1 Mounting Holes size 5 holes φ3 5mm Allowable area by metal pieces is 9mm from each PCB corners Refer to figure below 9 12 Load 80 85 100 90 265 Input Voltage VAC Mounting A E Input Voltage VAC 85 90 265 80 Load Moun...

Страница 10: ...ce 3 must be connected to the Protective earth terminal of the equipment Also 2 mounting holes are must be connected to the Chassis Conductor by Metal spacer When screw clamping the mounting holes please use the screw with spring washer If not connect to the Chassis Conductor the conducted noise radiation noise and output noise will increase The location of 2 mounting holes for Chassis connection ...

Страница 11: ...ytic capacitor The life expectancy is not a guaranteed value please consider as a reference Do not use the product which passed over the life expectancy When keep using there is a risk of unexpected output shutdown or specifications may not be satisfied Please contact us for maintenance or exchange the product which passed over the life expectancy The life expectancy of the product is calculated i...

Страница 12: ...ADJ is properly adjusted 5 Check if the output current and output power does not over specifications 6 Audible noise can be heard when input voltage waveform is not sinusoidal wave 7 Audible noise can be heard during Dynamic Load operation 10 Warranty Period Warranty Period applies for Standard Mounting A and the number of output ON OFF is only once a day Do not exceed its derating of maximum load...

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