Basic characteristics data • Instruction manual
Contents
1. COSEL Basic Characteristics Data Basic Characteristics Data o Switching Input Rated Inrush PCB Pattern Beal ot ct Circuit method frequency current Su Single Double Series Parallel kHz input fuse protection Materia UAWi25S Forward converter 210 28 2s0vsA memso Fra Yes ves 1 UAW250S Forward converter 210 60 asovioa miao Fra ves Yes ves UAWS00S Forward converter 170 120 250v2oa Tias Fra Yes Yes ves 1 Refer to Instruction Manual x The value of input current is at ACIN 100V and rated load UAW 8 AC DC Power Supplies Enclosed type Terminal Block Function 2 1 2 2 29 2 4 29 2 6 2 2 8 2 9 Hpotvoltage range ss SRS REV eg IRIS Tale GUAT Ito imitinda a RG sc ele PLN ENC CL Overcurrent protection SERA RR Overvoltage protection Dodo ee Outp tvolageadustment range Remote ON OFE a n a pee rae PROD RUAS URI Remote sensn oppa PU E DOSES Ui DOES Ad ate MCE DO NEED Rosilda sa eg ecg ge eee ec ga ea se ge NEEM Protecuo bs eea es vert ene teas Series Operation and Parallel Operation o 3 2 SE TICS IOP cipa a ES Paralleloperation Master slave De raio DR Assembling and Installation Method 4 1 4 2 4 3 4 4 stalationmmethodi a aac eee a oa ga aa Derating RR Mounting screws esa ec ee ee ee ON e a RR RE Instruction Manual COSEL UAW 10 UAW 10 UAW 10 UAW 10 UAW 10 UAW 11 UAW 11 UAW 11 UAW 11 UAW 112. UAW 12 UAW 12 UAW 12 UAW 12 UAW 13 UAW 9 COSEL Instruction Manual 1 Terminal Block UAW125S Se 1 If TAAAAAD DAC N A AC L D Output Frame ground Output voltage adjustable potentiometer 4 LED Output a utpu UAW250S R A NEN AN NENE in BOROCLR a ae ee E oe DAC N A SAC L D Output Frame ground Output voltage adjustable potentiometer 4 LED Output 2 oum UAW500S lt Connector gt O O 7S is LC 80000000 gt DAC L o g DAC N Output NC Connector Frame ground OLED a Output Output voltage adjustable potentiometer lt Connector gt Pin No Function Connection is not possible Connection is not possible Connection is not possible Self sensing terminal Do not wire for external connection M Remote sensing S Self sensing terminal Do not wire for external connection M Connection is not possible Remote sensing S Voltage balance VB Current balance CB S 9 9 9 O UAW 10 2 Function 2 1 Input voltage range EThe range is from AC85V to AC132V AC170V to AC264V which is automatically selected internally But after the input voltage is applied avoid changing AC100V AC200V BAC input voltage must have a range from AC85V to AC132V AC170V to AC264V for normal operation If the wrong input is applied the unit will not operate properly and or m
3. ay be damaged Ein cases that conform with safety standard input voltage range is AC100 AC120V AC200 AC240V 50 60HZ 2 2 Inrush current limiting Hinrush current limiting is built in mif a switch on the input side is installed it has to be the one han dling the input inrush current UAW125S MThe thermistor is used for protection from inrush current When power is turned ON OFF repeatedly within a short period of time it is necessary to have enough time for power supply to cool down UAW250S UAW500S HThe thyristor technique is used for protection from inrush current When power is turned ON OFF repeatedly within a short period of time it is necessary to have enough time between power ON and OFF to operate resistance circuit for inrush current Input ON Input OFF AC input voltage Primary inrush current Input current Secondary inrush current 2 3 Overcurrent protection MOvercurrent protection is built in and comes into effect at over 105 of the rated current Overcurrent protection prevents the unit from short circuit and overcurrent condition The unit auto matically recovers when the fault condition is cleared mif the output voltage drops more than 50 of the rated voltage in an overcurrent protection mode the average current will also be reduced by the intermittent operation COSEL Instruction Manual 2 4 Overvoltage protection HThe overvoltage protection circuit is built in and comes i
4. en not using remote sensing function 2 When using remote sensing function Use twisted pair wire or shielded wire Attention to connection Attention to connection HVVhen not using this function confirm that terminals are shorted between S and M and between S and M with short pieces HVVhen using this function wiring should be done without short pieces MDevices inside the power supply might be damaged when poor connection on load lines occurs e g because of loose connector screws M Thick wire should be used for wiring between power supply and load and line voltage drop should be less than 0 3V HVVhen long sensing wire is required use C1 C2 and C3 E Twisted pair wire or shield wire should be used for sensing wire mPlease do not draw output current from M M terminal m Vhen remote sensing function is used output voltage might be come unstable because of a impedance of wiring and load condi tion And the power supply should be evaluated enough Following are examples to improve it S sensing wire is removed and terminals between M and S are shorted C3 and R1 are connected as above figure 2 8 Isolation HFor a receiving inspection such as Hi Pot test gradually increase decrease the voltage for the start shut down Avoid using Hi Pot tester with the timer because it may generate voltage a few times higher than the applied voltage at ON OFF of a timer Elf the
5. irection to O WA Load factor Without Case cover With case cover 30 40 50 60 Ambient temperature C Note In the hatched area the specification of Ripple Ripple Noise is different from other area and the input voltage should be used more than AC90V UAW 13 UAW COSEL UAW250S Mounting the internal PCB to base Keep the temperature of part A and B as below part A chassis of power supply below 90 C part B C13 below 85 C 100 p al 3 of S Convection A mounting ak A D I Convection E S B mounting A E Without 9 10 o 10 20 30 40 50 60 70 case cover I With case cover 25 35 45 55 65 Ambient temperature C Note In the hatched area the specification of Ripple Ripple Noise is different from other area Outside Reverse side E Devi n 100 5 part A Terminal evice pa oaar eee Fixed screw 2 pcs Fixed screw 2 pcs gt o O Not used Load factor Ambient temperature C Note In the hatched area the specification of Ripple Ripple Noise is different from other area UAW 14 Instruction Manual m Vhen fan is set separately the temperature of part A of the unit should be below 75 degree by flowing cooling air inside of the unit AIR 4 3 Mounting screw HkKeep isolation distance between screw and internal components as below Chassis Mounting sc
6. nto effect at 115 140 of the rated voltage except 3V output voltage type it operates at 4 00 5 25V The AC input should be shut down if overvoltage protection is in operation The minimum interval of AC recycling for recovery is 5 minutes The recovery time varies depending on input voltage Remarks Please avoid applying the over rated voltage to the output termi nal Power supply may operate incorrectly or fail In case of oper ating a motor etc please install an external diode on the output terminal to protect the unit 2 5 Output voltage adjustment range m Adjustment of output voltage is possible by using potentiometer MOutput voltage is increased by turning potentiometer clockwise and is decreased by turning potentiometer counterclockwise 2 6 Remote ON OFF UAW250S optional R mOption R is available for remote ON OFF Between RC and RCG Output SW ON High ON SW OFF 0 0 5V OFF 1 To calculate the current limit resistance use following equation Vcc 1 1 0 005 where Vcc External power source R Q External Power Source Connector for remote ON OFF Optional 1 Current limit resistance R Recommendation External Power Source R 5V 7500 12V 2 2kQ 24V 4 7kQ HA wrong connection may damage the internal components of the unit mMRemote ON OFF circuit RC RCG is isolated from input output and FG 2 Remote sensing 1 Wh
7. rew 4 4 Others Fan unit Optional The power supply is designed to operate with the fan forced air cool ing The optional external fan unit is listed in the following table Model Model with fan unit Fan unit UAW500S 3 a Ea UAW500S 5 F UAWS500S 12 F UAWS500S 24 F UAW500S 5 UAWS500S 12 UAWS500S 24 F500 5 F500 12 F500 24 In case of unit with fan the efficiency is lower 1 typ by power dissipation of fan The lifetime of fan varies depending on operating condition so please replace the fan regularly oO E x10 H 2 40 o ps 3 O 1 ab l 1 Sy i i 0 50 60 Operating ambient temperature
8. t unit or and the balancing function will not work case cover or mounting position Please refer drawings as below EWWhen unit mounted except below drawings it is required to con sider ventilated environment by forced air cooling for tempera ture load derating For details please consult our sales or engi neering departments UAW125S lt Convection gt Mounting the internal PCB to base Load factor 4 Assembling and R 0 Without Installation Method Ree CR O A mounting with case cover 30 40 50 60 B mounting with case cover 25 35 45 55 4 1 Installation method Ambient temperature C m Vhen two or more power supplies are used side by side position them with proper intervals to allow enough air ventilation Ambient lt Forced air gt temperature around each power supply should not exceed the temperature range shown in derating curve EFan for forced cooling is optional Do not block the ventilation at suc tion side terminal block side its opposite side and upper side HVVhen unit operates at dusty place attach air filter to avoid dust into the unit In this case avoid poorly ventilated environments Operation by forced air cooling is possible except A B mounting Please operate below 80 C of the unit at part A ea m m jm 100 w Side View C M E 7 han 2 pd ae More than 20mm an NM fp J Direction to so ZZ Forced air 0 8 min 20 YY aa a D
9. unit is tested on the isolation between input amp output and output amp FG remote ON OFF must be shorted to output UAW 11 UAW 2 9 Thermal protection UAW250S UAW500S EThermal protection is built in If this function comes into effect shut down the output eliminate all possible causes of overheat ing and drop the temperature to normal level Output voltage re covers after applying input voltage To prevent the unit from over heating avoid using the unit in a dusty poorly ventilated environ ment 3 Series Operation and Parallel Operation 3 1 Series operation MSeries operation is available by connecting the outputs of two or more power supplies as shown below Output current in series con nection should be lower than the lowest rated current in each unit a b 3 2 Parallel operation master slave operation UAW125S HParallel operation is not possible HRedundancy operation is available by wiring as shown below l1 I3 Power gt supply _ O 49 O 2 A Power gt gt supply _ MEven a slight difference in output voltage can affect the balance between the values of l1 and Iz Please make sure that the value of l3 does not exceed the rated current of a power supply l3 lt the rated current value UAW 12 COSEL Instruction Manual UAW250S UAW500S mParallel operation is available by connecting the units as shown below MAs variance of output c
10. urrent drew from each power supply is maximum 10 the total output current must not exceed the value determined by the following equation Output current at parallel operation the rated current per unit x number of unit x 0 9 When the number of units in parallel operation increases input current increases at the same time Adequate wiring design for in put circuitry is required such as circuit pattern wiring and current capacity for equipment In parallel operation the maximum operation number of units is 5 Output voltage in parallel operation is adjustable by using the po tentiometer of the master unit Select one power supply to be the master and turn the potentiometer of the other slave power supplies clockwise to the end Then use the potentiometer of the master to adjust output voltage m Vhen remote sensing is used in parallel operation the sensing wire must be connected ONLY to the master Terminals between S amp M and S amp M of slave power supplies must be shorted Ein parallel operation output voltage increases like stairs due to a delay of the rise time of output voltage at turn on Input ON AC input voltage Output voltage COSEL Instruction Manual Ein parallel operation please connect diode to the side of the out 4 2 Derating put circuit If diode is connected to the side it will damage the MThe operative ambient temperature is different by with withou
Download Pdf Manuals
Related Search