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5-10

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Series and Parallel Connections

1. Series connection

＊

It is possible to increase the output voltage by connecting two or
more PA-B power supply units.

- In the connection example shown below, the total output voltage

is the sum of the output voltage of each PA-B power supply unit.
(Left figure)

- In the connection example shown below, the positive and

negative powers are output. (Right figure)

NOTE 1: In series connection, the voltage at the output terminals

must not exceed the withstand grounding voltage (between
the output terminals and frame GND). Be very careful.

NOTE 2: Connect the GND terminals of the PA-B power supply units

together with an intended potential to eliminate the potential
among the frame grounds of the power supply units.
(The above drawing shows the negative (-) grounding.)

NOTE 3: Do not connect the PA350-0.2B and PA600-0.1B in series.
NOTE 4: Be sure to float the control input of each power supply unit

when using the external control function.

Load

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＋

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Load

－

=+E

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Содержание PA10-5B

Страница 1: ...PAN B71 0116 10 INSTRUCTION MANUAL REGULATED DC POWER SUPPLY PA B SERIES PA10 5B PA18 1 2B PA18 2B PA18 3B PA18 5B PA36 1 2B PA36 2B PA36 3B PA80 1B PA120 0 6B PA160 0 4B PA250 0 25B PA250 0 42B PA350 0 2B PA600 0 1B ...

Страница 2: ...ecautions for Connecting Output Terminals 10 3 4 Switches on Front Panel and Connection Terminals on Rear Panel 11 3 5 Digital Display 11 3 6 Switching Points of Relay 11 3 7 Installation Environments 12 3 8 Rack Mounting 13 3 9 Options 14 4 PANEL EXPLANATION___________________________________15 4 1 Front panel 16 4 2 Rear panel 19 5 OPERATION PROCEDURES ______________________________21 5 1 Indepe...

Страница 3: ...UBLES AND PHENOMENA____________________________39 ７ EXTERNAL DIMENSIONS FIGURE _________________________40 This instruction manual applies to fifteen models PA10 5B PA18 1 2B PA18 2B PA18 3B PA18 5B PA36 1 2B PA36 2B PA36 3B PA80 1B PA120 0 6B PA160 0 4B PA250 0 25B PA250 0 42B PA350 0 2B and PA600 0 1B The operation procedures etc described in this manual are common to all models except some diff...

Страница 4: ...art of this product or the manual may show this pictorial indication In this case if the product is incorrectly used in that part a serious danger may be brought about on the user s body or the product To use the part with this pictorial indication be sure to refer to this manual Warning character Indication WARNING CAUTION If you use the product ignoring this indication you may get killed or seri...

Страница 5: ... temperatures a fire may occur Operating humidity Use the product within the operating humidity indicated in the rating column Watch out for condensation by a sharp humidity change such as transfer to a room with a different humidity Also do not operate the product with wet hands Otherwise an electric shock or fire may occur Use in a gas Use in and around a place where an inflammable or explosive ...

Страница 6: ...result in electric shocks electrocution or a fire If the power cable set supplied with the PA B series is damaged stop using the PA B series and contact our distributor Using the PA B series with the damaged power cable may result in electric shocks electrocution or a fire The power cable set supplied with the PA B series is to be used for 220 VAC power Contact the distributor if you intend to use...

Страница 7: ...e product Do not input or output voltage current exceeding the rating described in the instruction manual Excessive input or output may cause a trouble or breakdown of the product When the voltage or current is controlled according to external voltage the negative side of the external voltage unit is connected with the S output terminal of the PA B series Use the output circuit of the external vol...

Страница 8: ... is used with its performance and specifications stable For consultation about the product calibration call the distributor or the company where you bought the product Daily maintenance When you clean off the dirt of the product covers panels and knobs avoid solvents such as thinner and benzene Otherwise paint may peel off or the resin surface may be affected To wipe off the covers panels and knob...

Страница 9: ...ent Digital Display LEDs 3 1 2 digit automatic range voltage indicator LEDs fixed range indicators on the PA18 1 2B PA18 2B PA18 3B PA18 5B PA120 0 6B and PA160 0 4B and 3 digit current indicator LEDs enable simultaneous check and setting of the voltage and current The LEDs give indications in green in the constant voltage mode and in red in the constant current mode Increased Output in Series Par...

Страница 10: ...ANT VOLTAGE CHARACTERISTICS CV Input regulation For 10 variance of source voltage 1 1mV 1mV 2mV Load regulation For 0V to 100 variance of output current 1 5mV 2mV 2 5mV 3mV 5mV 2mV 3mV 4mV Ripple and noise rms 10Hz to 1MHz 2 0 5mV Transient response typ current 10 to 100 3 50us typ Temperature coefficient typ 100ppm C typ Rise time Full load No load typ 100ms 100ms Fall time Full load No load typ ...

Страница 11: ...ltage 1 5mV 7mV 8mV 15mV 20mV 30mV Load regulation For 0V to 100 variance of output current 1 5mV 7mV 8mV 15mV 20mV 30mV Ripple and noise rms 10Hz to 1MHz 2 1mV 1 2mV 1 6mV 2 5mV 3 5mV 5mV Transient response typ current 10 to 100 3 50us typ Temperature coefficient typ 100ppm C typ Rise time Full load No load typ 100ms 100ms 150ms 150ms 190ms 190ms 200ms 200ms 330ms 330ms Fall time Full load No loa...

Страница 12: ...rox 10 V 2 A Approx 10 V 3 A Remote control External resistance to output current ratio Approx 10 kΩ 5 A Approx 10k Ω 1 2A Approx 10 kΩ 2 A Approx 10 kΩ 3 A Approx 10 kΩ 5 A Approx 10k Ω 1 2A Approx 10 kΩ 2 A Approx 10 kΩ 3 A Constant voltage operation display Off when output is off CV green LED is on Constant current operation display Off when output is off CC red LED is on DIDITAL METER DISPLAY ...

Страница 13: ...emote control External resistance to output current ratio Approx 10kΩ 1A Approx 10kΩ 0 6A Approx 10kΩ 0 4A Approx 10kΩ 0 25A Approx 10kΩ 0 42A Approx 10kΩ 0 2A Approx 10kΩ 0 1A Constant voltage operation display Off when output is off CV green LED is on Constant current operation display Off when output is off CC red LED is on DIDITAL METER DISPLAY Voltmeter display 3 1 2 digit LEDs red 199 9 999 ...

Страница 14: ... when switch is turned on Remote sensing Enabled with S and S terminals on front panel May correct up to 0 5 V one way 5 Voltage monitor Output voltage to monitor voltage ratio Output voltage 0 to rated voltage approx 0 to 10 V output Connector on rear panel Current monitor Output current to monitor voltage ratio Output current 0 to rated current approx 0 to 10 V output Connector on rear panel Sta...

Страница 15: ...es constant voltage or constant current set value when switch is turned on Voltage monitor Output voltage to monitor voltage ratio Output voltage 0 to rated voltage approx 0 to 10 V output Connector on rear panel Current monitor Output current to monitor voltage ratio Output current 0 to rated current approx 0 to 10 V output Connector on rear panel CV Open collector output Low in CV mode CC Open c...

Страница 16: ...C1 5kV 1 minute POWER REQUIREMENTS Input Voltage frequency AC220V 10 50 60Hz 1φ Power consumption VA At the time of AC rated input Approx 150VA Approx 60VA Approx 100VA Approx 140VA Approx 210VA Approx 105VA Approx 165VA Approx 220VA Power consumption W At the time of AC rated input Approx 120W Approx 50W Approx 75W Approx 110W Approx 165W Approx 80W Approx 130W Approx 170W DIMENSIONS AND WEIGHT D...

Страница 17: ... 10 50 60Hz 1φ Power consumption VA At the time of AC rated input Approx 170VA Approx 155VA Approx 150VA Approx 140VA Approx 220VA Approx 150VA Approx 130VA Power consumption W At the time of AC rated input Approx 140W Approx 115W Approx 100W Approx 105W Approx 150W Approx 110W Approx 100W DIMENTIONS AND WEIGHT Dimensions mm 104 124 350 Max dimensions mm 106 2 144 3 368 3 Weight Approx 6 6kg Appro...

Страница 18: ...ns for Connecting Output Terminals The PA B series is a floating type power supply unit Normally connect either the or output terminal on the front panel with the GND terminal case GND using a shorting bar The S and S terminals and switch on the front panel are used for remote sensing PA10 5B PA18 1 2B PA18 2B PA18 3B PA18 5B PA36 1 2B PA36 2B and PA36 3B only Normally set the switch to the LCL po...

Страница 19: ... Such fluctuations do not imply ripples or noises in output Display may become unstable if the available commercial power source contains much common mode noises or there is an intense noise source near the PA B series Be very careful 3 6 Switching Points of Relay The PA B series switches the secondary taps of the internal transformer using a relay and changes the input voltage to the series regul...

Страница 20: ... the PA B series in a place having as good ventilation as possible The heat sink built in the PA B series may become hot during operation Be very careful about ventilation Do not place any object easily affected by heat near the PA B series As the built in heat sink overheats the case of the PA B series may become hot If it is necessary to touch the case or move the PA B series turn off power and ...

Страница 21: ...ion measures are needed when mounting it on a rack Leave sufficient spaces above and below the unit mounted on a rack and take the proper heat radiation measures in order to prevent the temperature in the rack ambient temperature from exceeding the allowable temperature range The OHP may work if the temperature exceeds the allowable temperature range HOT BE CAREFUL ...

Страница 22: ...cap is to be replaced with the knob to prevent the preset voltage or current from being changed by mistake Handle XO PA10 factory option The optional handle may be mounted to the PA18 1 2B PA18 2B or PA36 1 2B only The other models have handles as the standard features The handles enhance movement of the PA B series Handle Cap Flat head screws Flange nuts φ13 13 34 φ12 2 12 9 Brackets ...

Страница 23: ...15 4 PANEL EXPLANATION ...

Страница 24: ...he OUTPUT F R selector switch on the front panel is set to the R position the OUTPUT key is disconnected and the output is set to the Off condition If the PA B series is turned on in this condition the output is turned off 3 Digital voltmeter 3 1 2 digit LEDs red This voltmeter displays the output voltage or the set voltage only when the V I check key on the front panel is pressed 4 Digital ammete...

Страница 25: ...or 10 mV on a model of 18 V rating 9 VOLTAGE control This control is used to set the voltage in constant voltage operation It varies and sets the limit value of the output voltage 10 CURRENT control This control is used to set the current in constant current operation It varies and sets the limit value of the output current 11 Output terminal Positive output is given through this terminal 12 Outpu...

Страница 26: ...ting voltage of the OVP over voltage protection circuit 17 MASTER SLAVE selector switch This selector switch is used to carry out one control parallel operation in the master slave mode Set it to the MASTER position normally For details see section 5 11 One Control Parallel Operation below 18 Rear panel control selector switch This switch selects the constant voltage constant current and output on...

Страница 27: ...s Signals below 23 Voltage and current monitor signal output terminals These terminals output the monitored voltage and current of the PA B series in voltages For details see section 5 9 Monitoring Voltage and Current below 24 AC inlet The AC inlet connector of the PA B series 25 Input AC voltage selector switches The 2 combination switches are located in the rear panel of the unit to select the i...

Страница 28: ... 8A 2A 1 25A 3A 2A 5A 3A 2 5A 1 5A 3A 2A 5A 3A 80 1 120 0 6 160 0 4 250 0 25 250 0 42 350 0 2 600 0 1 Fuse time lag 100 200 VAC 3A 2A 3A 2A 3A 2A 3A 2A 4A 2 5A 3A 2A 3A 2A 26 Fuse holder The AC input fuse is built in this holder 27 Frame GND terminal screw Use this screw to ground the frame of the PA B series Never use any other screw Using any other screw may cause short circuit inside the PA B s...

Страница 29: ...ad terminals is subject to load variance which depends on the voltage drop caused by contact resistance of the output terminals or resistance of the load cable conductors Set the remote sensing selector switch on the front panel to the REM position connect wires to the S and S remote sensing terminals and carry out remote sensing operation if it is necessary to set the voltage at the load terminal...

Страница 30: ...ion Connect an electrolytic capacitor of approximately 100 µF to the load terminals in such a case 5 3 OVP The OVP protects the load from over load The ALARM LED goes on when the OVP circuit works Shut off the POWER switch once and turn it on again to reset the alarm 1 Turn the OVP control fully clockwise with the adjustment screwdriver supplied with the PA B series 2 Output the limit voltage for ...

Страница 31: ... OUTPUT ON OFF Independent operation Set to M MASTER Set to M One control parallel operation SLAVE Set to S Remote control is available Remote control is not available V ext R Output voltage control by external resistance I ext R Output current control by external resistance OUTPUT SW control OUTPUT SW R F MASTER SLAVE S M One control operation in parallel connection Output voltage control by exte...

Страница 32: ...licable wires Solid wire 0 4 to 1 0 mm dia AWG26 to 18 Braided wire 0 3 to 0 75 mm AWG22 to 20 Element wire 0 18 mm dia or more Standard peel off length 10 mm Solder the peeled conductors of a braided wire 4 GP IB control It is possible to set the constant voltage and constant current values and control the OUTPUT switch of the PA B series from a computer through the GP IB bus in conformity to IEE...

Страница 33: ...ront panel is not active NOTES Float the potential of the external contact signal from the potentials of the and outputs and GND case GND ON OFF control using a photo coupler is also enabled 0 5 mA 5 V max output is applied to the external contacts Selecting output ON and output fixing If the OUTPUT SW is set to the R position and the OUTPUT terminals on the rear panel are short circuited the outp...

Страница 34: ...nal voltage 3 Adjustment procedures Apply 0 1 V between the ext cont V V terminal and ext cont V S terminal on the rear panel Press the OUTPUT key to turn on power Rotate the V offset control on the front panel with the attached adjustment screwdriver to adjust the output voltage to 1 of the rated voltage Then apply 10 V between the ext cont V V terminal and ext cont V S terminal on the rear panel...

Страница 35: ...two core shielded cable or stranded and twist pair wires 2 Output voltage control using external resistance It is possible to output voltage in proportion to resistance between 0 to 10 kΩ 1 Shut off the POWER switch 2 Set the V ext R switch on the front panel to the ON position with the attached screwdriver Then connect a cable to the terminals on the rear panel as shown below Relationship between...

Страница 36: ...tentials As VR1 use a variable resistor which is free from aged deterioration and noises and has a temperature coefficient of approximately 100 ppm C and capacity of 1 2 W or more Connect VR1 with a two core shielded cable or stranded and twist pair wires CAUTION If VR1 is opened over voltage is output When changing the resistance using a switch or the like it should be a short circuit type switch...

Страница 37: ...ernal voltage 3 Adjustment procedures Apply 0 1 V between the ext cont I V terminal and ext cont I V S terminal on the rear panel Press the OUTPUT key to turn on power Rotate the I offset control on the front panel with the attached adjustment screwdriver to adjust the output current to 1 of the rated current Then apply 10 V between the ext cont I V terminal and ext cont I V S terminal on the rear...

Страница 38: ...res 2 Output current control using external resistance It is possible to output current in proportion to resistance between 0 to 10 kΩ 1 Shut off the POWER switch 2 Set the I ext R switch on the front panel to the ON position with the attached screwdriver Then connect a cable to the terminals on the rear panel as shown below Relationship between output current I0 and external resistance VR2 I0 Out...

Страница 39: ...s VR2 use a variable resistor which is free from aged deterioration and noises and has a temperature coefficient of approximately 100 ppm C and capacity of 1 2 W or more Connect VR2 with a two core shielded cable or stranded and twist pair wires CAUTION If VR2 is opened over current is output and the PA B series may be damaged When changing the resistance using a switch or the like it should be a ...

Страница 40: ...t if the OVP or OHP circuit works NOTE The status signal output terminals shown above are connected with the transistors at the light receiving elements of the photo couplers TOSHIBA TLP521 1 inside the PA B series See the photo coupler ratings shown below and use these signals properly Maximum rating of photo coupler TLP521 1 Item Symbol Max rating Unit Collector emitter voltage VCEO 55 V Emitter...

Страница 41: ... 0 and approximately 10 V is output through the V MONITOR terminal and V MONITOR S terminal 5 When the output current is in the range between 0 A and the rated current voltage between 0 and approximately 10 V is output through the I MONITOR terminal and I MONITOR S terminal NOTE The V MONITOR S and I MONITOR S terminals are connected together internally The S terminal is connected with the frame G...

Страница 42: ... connection the voltage at the output terminals must not exceed the withstand grounding voltage between the output terminals and frame GND Be very careful NOTE 2 Connect the GND terminals of the PA B power supply units together with an intended potential to eliminate the potential among the frame grounds of the power supply units The above drawing shows the negative grounding NOTE 3 Do not connect...

Страница 43: ...t When the current enters the constant current CC zone and the output voltage lowers E2 begins to supply current then Constant current CC application Make sure that the CC LED on each power supply unit is lit The total output current is the sum of the output current of each power supply unit NOTE 1 Do not apply any voltage exceeding the rated voltage to the output of each power supply unit NOTE 2 ...

Страница 44: ...ully clockwise 6 Throw the POWER and OUTPUT switches of the slave units 7 Throw the POWER and OUTPUT switches of the master unit The output voltage and current may be set freely with the voltage and current controls of the master unit NOTE 1 The CV or CC LED of the master unit shows the output mode On the slave units the CC LEDs are always lit NOTE 2 Connect the GND terminal with the or terminal T...

Страница 45: ...AVE S M OUT1 OUT2 IN Slave unit MASTER SLAVE S M OUT1 OUT2 IN MASTER SLAVE S M Output Connection Diagram for Parallel Operation Load I1 I2 I3 I0 NOTE I0 I1 I2 I3 Set the voltage controls of all slave units to the maximum position The master unit runs in the CV mode The slave units run in the CC mode Master unit Slave unit 1 Slave unit 2 G G G ...

Страница 46: ...g the PA B series for recharging a battery NOTE Use a diode having enough capacity to withstand the rated current of the PA B series Be sure to connect a relay between the S and S wires in series as shown above when recharging a battery using the voltage remote sensing function The relay must close when the output is turned on and open when the output is turned off Discharged current also flows th...

Страница 47: ... Output voltage or current does not lower Power transistors are defective or uncontrollable Circuit is defective Output is unstable Difference of the input Voltage Oscillation Intense magnetic or electric field near the PA B unit Input voltage is out of the rating range Oscillation due to a special load Move the PA B unit from the oscillation source If the trouble is caused by blowout of the input...

Страница 48: ...ffset I ext V LCL ７ EXTERNAL DIMENSIONS FIGURE unit mm 8 2 124 144 3 12 1 104 106 2 270 288 3 14 9 00000000 S MADE IN JAPAN No ＶＩＶＩｅｘｔｃｏｎｔ M ONITOR S S Ｒ２Ｒ１ V S ＶＲ２Ｒ１ V S Ｖ W ARNING OUT1 IN OUT2 J1 J2 Short type PA18 1 2B PA18 2B PA36 1 2B ...

Страница 49: ...41 368 3 350 14 9 Long type PA10 5B PA18 3B 5B PA36 2B 3B PA80 1B PA600 0 1B ...

Страница 50: ...7F Towa Fudosan Shin Yokohama Bldg 2 18 13 Shin Yokohama Kohoku ku Yokohama Kanagawa 222 0033 Japan http www texio co jp ...

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