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PWX

Contents

About the PWX750ML Manuals

..................2

Checking the Package Contents

................2

Product Overview

.......................................3

Safety Precautions

......................................4

Precautions Concerning Installation Location

Notations Used in This Manual

...................4

Search by Topic

...........................................7

Component Names

......................................8

Installation and Prepara-
tion

Connecting the Power Cord .............................

Turning the Power On ......................................

Turning the POWER switch on .................

Turning the POWER switch Off.................

Rack Mounting .................................................

Load Considerations ........................................

Load Cables .....................................................

Connecting to the Output Terminals ................

Sensing ............................................................

Local sensing ............................................

Remote sensing ........................................

Basic Functions

Measured Value Display and Setting Display ..

Panel Operations .............................................

Output Operations............................................

Operation Overview .........................................

CV Power Supply and CC Power Supply ........

Using the PWX750ML as a CV or CC Power Sup-
ply ....................................................................

Protection Functions and Alarms .....................

Alarm occurrence and clearing alarms......

Protection function activation ....................

CONFIG Settings .............................................

CONFIG parameter details .......................

Preset Memory Function ..................................

Saving settings to preset memory .............

Recalling preset memory entries...............

Locking Panel Operations (Key lock) ...............

Bleeder On/Off Feature....................................

Switching from Remote Mode to Local Mode ..

Factory Default Settings (Initialization) ............

External Control

Overview..........................................................

About the J1 Connector ...................................

Output Terminal Insulation...............................

When the output terminal is not grounded
(floating) ....................................................

When the output terminal is grounded ......

Cautions when using the external voltage
(Vext) ........................................................

Controlling the Output Voltage.........................

Control using an external voltage (Vext)...

Control using an external resistance (Rext)

Controlling the Output Current.........................

Control using an external voltage (Vext)...

Control using an external resistance (Rext)

Controlling the Output On and Off States ........

Controlling Output Shutdown...........................

Controlling the Clearing of Alarms ...................

External Monitoring..........................................

Parallel/Series Operation

Master-Slave Parallel Operation......................

Features of the PWX750ML during master-
slave parallel operation .............................

Connection (master-slave parallel operation) .

Settings (master-slave parallel operation)

Starting master-slave parallel operation ..

Series Operation..............................................

Features of the PWX750ML during series op-
eration .......................................................

Connection (series operation)...................

Settings (series operation) ........................

Starting series operation ...........................

Maintenance

Calibration........................................................

Calibration overview..................................

Calibration procedure................................

Specifications

Isolated Analog Inter-
face

Introduction ......................................................

Isolated Analog Interface Connector ...............

Setup and Operation........................................

Содержание PWX750ML

Страница 1: ...0ML Installation and Preparation Basic Functions External Control Parallel Series Operation Maintenance Specifications User s Manual Regulated DC Power Supply PWX Series 1 2 3 4 5 6 Isolated Analog In...

Страница 2: ...ts lost or soiled a new copy can be provided for a fee To replace or purchase a man ual please contact your Kikusui agent or distributor At that time inform your agent or distributor of the Part No wr...

Страница 3: ...d is fixed Set voltage current limitation feature You can apply limits to the voltage and current settings This prevents you from setting an appropriate value by mis take which would cause the output...

Страница 4: ...een captures used in this manual may differ from the actual screens that appear on the PWX750ML The screen captures are merely examples The following markings are used in this manual Indicates a poten...

Страница 5: ...Mode 50 Factory Default Settings Initialization 51 3 External Control Overview 54 About the J1 Connector 54 Output Terminal Insulation 56 When the output terminal is not grounded floating 56 When the...

Страница 6: ...6 PWX Appendix A Options 100 B Troubleshooting 102...

Страница 7: ...l See the Communication Interface Man ual on the CD ROM How do I check the settings in preset memory Recalling preset memory entries p 48 How do I reset the PWX750ML to its fac tory default settings F...

Страница 8: ...8 PWX Component Names Front Panel Display area 5 16 17 18 19 20 21 6 7 8 9 10 11 2 3 15 4 1 Display area 13 12 14...

Страница 9: ...has an LED p 47 10 LOCAL key Used to switch between local mode and remote mode the key has an LED p 50 LOCK key Used to lock the operation of all keys other than the OUTPUT key the key has an LED p 49...

Страница 10: ...otely 5 Air outlet Air outlet for cooling the inside of the PWX750ML 6 AC INPUT AC inlet p 12 7 Chassis terminal Connector for grounding the output 8 Sensing terminal connec tors Terminals to connect...

Страница 11: ...Installation and Preparation This chapter describes how to turn on the PWX750ML what kind of load cables to use and how to connect cables to the out put connectors...

Страница 12: ...erminal Be sure to earth ground the product to prevent electric shock The product is grounded through the power cord ground wire Connect the protec tive conductor terminal to earth ground Use the supp...

Страница 13: ...r a few seconds the PWX750ML enters the operation standby state the output value is displayed Inrush current When the POWER switch is turned on an inrush current of up to 70 A flows Check that suffi c...

Страница 14: ...support angles KRB1 PWX SUPPORT ANGLE to support the PWX750ML We recommend that you keep all pieces that you have removed from the PWX750ML You will need these pieces if you remove the PWX750ML from t...

Страница 15: ...urrent from the load Therefore if a regener ative load such as an inverter converter or transformer is connected the output voltage increases and becomes unstable This can cause a malfunction For thes...

Страница 16: ...in series as shown in the following figure This cannot be used in conjunction with remote sensing PWX750ML Load with accumulated energy DRP Reverse current protection diode DRP CAUTION To protect the...

Страница 17: ...lowable currents that have been reduced in consideration of the potential bundling of load cables Use these values as a guideline when connecting load cables Limitations of the remote sensing function...

Страница 18: ...the load cables to the output termi nals Connect the positive cable to the positive output terminal and the negative cable to the negative output terminal WARNING Risk of electric shock Turn the POWE...

Страница 19: ...nto the bottom half Continue sliding the cover until you hear a click 5 Push the OUTPUT terminal cover against the rear panel and then use screws to fix the cover in place Make sure that both screws a...

Страница 20: ...pproximately the same electric potential as the nega tive output terminal Insert the cables so that the wire strands do not touch the chas sis when they stick out of the sensing terminal Also insert t...

Страница 21: ...e compensation voltage When you perform remote sensing set the voltage of the sensing point across the load so that it does not exceed the rated output voltage If you are performing remote sensing wit...

Страница 22: ...not be ignored This may lead to oscillation The output fluctuates If the load current changes drastically in a pulse shaped pattern the output voltage may become large due to the wiring s inductance...

Страница 23: ...Basic Functions This chapter describes how to turn the out put on and off and the basic operations that you can perform from the front panel...

Страница 24: ...n the measured value display Power display In the measured value display press PWR DSPL to display the output power on the amme ter The output power is calculated from the measured output voltage and...

Страница 25: ...the output voltage to a value that is 95 of the OVP trip point or higher You cannot set the output current to a value that is 95 of the OCP trip point or higher The displayed current or voltage may no...

Страница 26: ...et the PWX750ML so that output is turned on at power on be sure to check the OVP trip point setting before you turn the PWX750ML off Operation Overview The PWX750ML is a constant voltage CV constant c...

Страница 27: ...less than current limit Is The actual current that flows is not necessarily equal to the specified value For loads in which transient peak current flows current Is must be set so that the peak value d...

Страница 28: ...If you try to increase the voltage above this point the crossover point is reached and the power supply automatically switches to CC mode To maintain oper ations in CV mode increase the current limit...

Страница 29: ...current are generated from the output terminals When the PMX750ML is operat ing as a constant voltage power supply the CV LED in the display area lights When the PMX750ML is operating as a constant cu...

Страница 30: ...ghts to indicate that an alarm has occurred The voltmeter indicates the cause of the alarm The ALARM LED in the front panel display area blinks only when the power limit has been activated The OUTPUT...

Страница 31: ...ignal is isolated from other terminals as it is through an open collector photocou pler Protection function activation Setting limitation functions You can use the CONFIG settings to apply limits to t...

Страница 32: ...the OVP and OCP trip points to values that are appropriate for the load The OVP2 trip point is fixed to 120 of the rated output voltage Setting the OVP and OCP trip points and the detection time of O...

Страница 33: ...TPUT LED lights 4 Slowly turn the VOLTAGE knob clockwise When the output voltage exceeds the OVP trip point the front panel display area s ALARM LED lights and the OUTPUT LED blinks to indicate that t...

Страница 34: ...n the VOLTAGE knob to set the UVL trip point UVL setting range 0 V to 84 V 4 Press OCP OVP to finalize the setting Overheat protection OHP This protection function is activated when the PWX750ML s int...

Страница 35: ...hen the output limit function has been activated the ALARM LED blinks An alarm signal is not transmitted Power limit value fixed 787 5 W Communication monitoring WATCHDOG p 43 The watchdog function mo...

Страница 36: ...control range parameter A CF08 Range during voltage and current monitoring A CF091 External control parameter for turning output on and off A CF101 External control logic parameter for turning output...

Страница 37: ...want to set When you press CONFIG the PWX series switches between the parameter numbers in the following order CF00 CF20 CF30 CF50 CF60 measured value display When you turn the CURRENT knob the PWX750...

Страница 38: ...ter number CF30 The voltmeter displays the corresponding setting on 2 If you are resetting the LAN interface settings CF33 or restarting the LAN interface CF34 turn the CURRENT knob to select the para...

Страница 39: ...nt to use as slaves This parameter is applied when you restart the PWX750ML p 36 Changing this setting may affect the settings of the master unit or the slave units that are con nected in parallel CF0...

Страница 40: ...ng used as a master unit CF05 CC control using an Vext or Rext p 39 p 48 p 59 Selects whether constant current will be controlled by an external voltage Vext or an exter nal resistance Rext the J1 con...

Страница 41: ...unit CF11 Bleeder on or off p 49 Turns the bleeder circuit on and off You can turn the bleeder circuit off when you don t want current to be sinked by the internal bleeder circuit such as when you are...

Страница 42: ...set CF00 and when a preset memory entry is recalled You can only specify this parameter when the PWX750ML is being used as a master unit CF15 Voltage setting limit p 31 Set whether to limit the set ou...

Страница 43: ...nd lan guage to legacy languages you can only select Gen or PAG This parameter is applied when you turn the POWER switch off and on Memo When multiple units are used side by side if the brightness of...

Страница 44: ...t setting If 5700 or DCS emulation is selected you cannot use multichannel This parameter is applied when you turn the POWER switch off and on or when you execute CF34 For details on the multichannel...

Страница 45: ...gs that you have specified do not change CF35 to CF38 IP address display These parameters display the set IP addresses These parameters are only displayed when you are using the LAN interface The IP a...

Страница 46: ...switch off and on or when you execute CF34 TCP port number 4880 cannot be used When 4880 is specified it is set to the factory default value of 5025 when the settings are applied CF50 Vendor ID VID di...

Страница 47: ...he preset memory current p 32 3 Press OCP OVP The OCP OVP key lights and the OVP trip point and OCP trip point are displayed in the display area 4 While viewing the values displayed on the panel turn...

Страница 48: ...h you want to recall the preset memory entry The SET LED and the contents voltage and current of the loaded preset memory that are shown in the display area blink If you press another memory key the c...

Страница 49: ...ircuit is on or off the sink current and the fall time of out put voltage when an external voltage sources connected will vary The sink current or fall time indicated here is a standard value Sink cur...

Страница 50: ...rated output voltage to fall from 90 to 10 when the out put is changed from on to off under no load conditions Switching from Remote Mode to Local Mode When the PWX750ML is being controlled remotely t...

Страница 51: ...arameter for turning output on and off OFF CF101 External control logic parameter for turning output on and off LO a LOW signal turns output on 2 CF11 Bleeder on off parameter ON bleeder circuit is on...

Страница 52: ...52 PWX This page is intentionally blank...

Страница 53: ...External Control This chapter explains external control and external monitoring using the J1 connector External Control...

Страница 54: ...and contact removal tools are not included These items must be purchased separately For information about how to use these components see the AMP catalogs For information about how to obtain these to...

Страница 55: ...evel signal when power is turned on output through an open collector photocoupler 2 16 OUT ON STATUS On when output is on output through an open collector photocoupler 2 17 N C Not connected 18 OUT ON...

Страница 56: ...n nected to these pins must have an insulation capacity greater than or equal to the isolation voltage of the PWX750ML WARNING Risk of electric shock For safety reasons even if the output terminal is...

Страница 57: ...minal is connected to the chassis terminal The cable and load require an insulation capacity that is greater than or equal to the maximum output voltage of the PWX750ML For safety reasons connect one...

Страница 58: ...burn out Do not ground the Vext output that is leave it floating If you are connecting the shield to the Vext side do not connect the shield to the output ter minal of the PWX750ML 2 core shielded wi...

Страница 59: ...ir wire across Vext and keep the wire as short as possible If the wiring between the PWX750ML and the external contact is long it becomes easy for noise to influence the operation of the PWX750ML Even...

Страница 60: ...e range of 0 V to 10 V CF07 Hi External resistance Rext connection For the external resistance Rext use a resistor that is rated at approximately 10 k 1 2 W or greater that has a low temperature coeff...

Страница 61: ...hort as possible If the wiring between the PWX750ML and the external contact is long it becomes easy for noise to influence the operation of the PWX750ML Even if you use cables that are designed to su...

Страница 62: ...nge of 0 V to 5 V CF07 Lo or in the range of 0 V to 10 V CF07 Hi External resistance Rext connection For Rext use a resistor that is rated at approximately 10 k 1 2 W or greater that has a low tempera...

Страница 63: ...lling the output on and off states in this example a high signal is used to turn the output on External contact connection Use pins 18 and 19 of the J1 connector The open circuit voltage across pins 1...

Страница 64: ...64 PWX Controlling the Output On and Off States For long distance wiring When you are wiring over a great distance use a small relay and extend the coil side of the relay S Extend this line Relay...

Страница 65: ...The open circuit voltage across pins 6 and 19 is approximately 5 V The short circuit current across pins 6 and 19 is approximately 0 5 mA Use external contacts that have a con tact rating greater than...

Страница 66: ...tely 5 V The short circuit current across pins 5 and 19 is approximately 0 5 mA Use external contacts that have a con tact rating greater than or equal to 0 5 mA at 5 Vdc If two or more units are floa...

Страница 67: ...to 60 V If connected for master slave parallel operation STATUS COM pin 1 of the J1 connector of the master unit will be connected to A COM pin 19 of the J1 connector of the slave unit it will no long...

Страница 68: ...X750ML is in constant current mode This is the photocoupler open collector output 14 ALM STATUS This is set to low level when a protection function OVP OVP2 OCP OHP FAN SEN AC FAIL SD is activated Thi...

Страница 69: ...llel Series Operation This chapter describes the functions of series operation and the master slave par allel operations as well as the connection setup and operation procedures Parallel Series Operat...

Страница 70: ...as set on the master unit is displayed The voltmeters on the slave units display SLAV The master unit s ammeter displays the total of the currents of all the units connected in par allel Each slave un...

Страница 71: ...the entire system is turned off Slave unit The slave unit independently enters the alarm state and turns its output off The output does not turn off on the master and other slave units p 31 You can us...

Страница 72: ...e output terminal is at ground potential secure an insulation capacity greater than or equal to this product s isolation volt age relative to the chassis Example of connecting two slave units 1 Decide...

Страница 73: ...PUT terminal cover after you finish wiring the load CAUTION When you connect the output terminals to the chassis terminals be sure to connect the same polarity output terminals positive or negative of...

Страница 74: ...0 Use the master unit to set the voltage and current The current that is output is the sum of the currents of the master unit and the slave units When you set the number of units in master slave paral...

Страница 75: ...imit Starting master slave parallel operation Turning power on 1 Turn the master unit s POWER switch on 2 Turn the POWER switch of each slave unit on 3 Operate the master unit normally You cannot perf...

Страница 76: ...toring p 67 External monitoring of the output voltage V MON You can monitor the output voltage of each unit To calculate the total output voltage add the monitor values of the master unit and the slav...

Страница 77: ...f unit 1 and unit 2 fix the problem that caused the alarm and then turn on unit 1 and unit 2 See CAUTION If the sensing cables are not connected properly the load may be exposed to excessive voltage a...

Страница 78: ...nit 2 to the chassis terminal 6 Attach the OUTPUT terminal cover See WARNING Risk of electric shock Turn the POWER switch off before you touch the OUTPUT ter minals Attach the OUTPUT terminal cover af...

Страница 79: ...rrent protec tion OCP on both units Specify the same values on the two units Starting series operation Turning the power on and off Turn the POWER switch on unit 1 and unit 2 on or off Turning the out...

Страница 80: ...80 PWX This page is intentionally blank...

Страница 81: ...Maintenance This chapter explains how to perform cali bration DELETE...

Страница 82: ...put voltage offset 10 Output voltage full scale 100 Voltmeter offset 0 Voltmeter full scale 100 Output current offset 10 Output current full scale 100 Ammeter offset 0 Ammeter full scale 100 Required...

Страница 83: ...rrors NI VISA by National Instruments Corporation Ver 5 0 3 or later Agilent VISA by Agilent Technologies Agilent IO Libraries Suite 16 0 or later KI VISA Ver 5 0 4 or later For details see the PWX Ca...

Страница 84: ...84 PWX This page is intentionally blank...

Страница 85: ...Specifications This chapter contains the specifications and gives the dimensions of the PWX750ML...

Страница 86: ...he max imum output voltage with rated output current The specifications of the PWX750ML apply to the rear panel output terminals AC input Rated load Refers to a resistive load that when the rated outp...

Страница 87: ...to 100 of the maximum current with the set output voltage 1 ms or less Ripple noise5 5 Measured using an RC 9131B 1 1 probe that conforms to the JEITA specifications At the rated out put current p p 6...

Страница 88: ...OUTPUT LED turns off The output is on and a protection function has been activated OUTPUT LED blinks in orange CV operation CV LED lights in green CC operation CC LED lights in red Alarm operation AL...

Страница 89: ...xed CF03 SAFE The specified protection operation is the same for the OHP FAN and AC FAIL alarms You cannot make separate settings for the OHP FAN and AC FAIL alarms Fan failure protection FAN Turns th...

Страница 90: ...uit Turn the output on using a HIGH 4 5 V to 5 V or open circuit turn the output off using a LOW 0 V to 0 5 V or short circuit Output shutdown control SHUT DOWN Turns the output off with a LOW 0 V to...

Страница 91: ...e 1200 2400 4800 9600 and 19200 bps Data length 8 bits Stop bits 1 bit Parity bit None No flow control Program message terminator LF during reception CR LF during transmission USB Hardware Complies wi...

Страница 92: ...monitor signal output Voltage control Isolated voltage monitor VMON_IS 0 V to 5 V 0 V to 10 V Isolated current monitor IMON_IS 0 V to 5 V 0 V to 10 V Isolated monitor common Accuracy 4 of rtg Isolated...

Страница 93: ...rface1 No abnormalities at 2650 Vac for 1 minute Between output and Iso lated Analog Interface1 No abnormalities at 500 Vdc for 1 minute Insulation resistance Between input and FG 500 Vdc 100 M or mor...

Страница 94: ...70 2 76 196 7 72 9 0 35 9 0 35 305 12 01 62 2 44 92 3 62 21 0 83 10 0 39 12 0 47 21 0 83 Diameter 16 4 Rubber foot diameter M3 screw holes 4 Max screw insertion depth 8 mm 0 31 inches M4 screw holes...

Страница 95: ...Isolated Analog Interface Factory option This chapter describes the setup and oper ations of the isolated analog interface Isolated Analog Interface...

Страница 96: ...rol Turning output on and off using an external contact Output shutdown control using an external contact Output voltage monitoring Output current monitoring The following two types of isolated analog...

Страница 97: ...control Current control 1 VPGM_IS Output voltage control 0 V to 5 V or 0 V to 10 V1 4 mA to 20 mA2 2 VPGM_RTN_IS3 Return for pin 1 3 IPGM_IS Output current control 0 V to 5 V or 0 V to 10 V1 4 mA to 2...

Страница 98: ...using an external voltage or external resistance on CF09 External control parameter for turning output on and off on CF07 CC or CV control range Lo 0 V to 5 V or Hi 0 V to 10 V CF08 Range during volt...

Страница 99: ...Appendix A Options B Troubleshooting...

Страница 100: ...ALF SINGLE Rack mount bracket and blank panel Rack mount adapter For installing two devices side by side KRA1 PWX HALF PAIR Rack mount bracket and support board Rack mount bracket KRB1 PWX Angled rack...

Страница 101: ...The following three types are avail able Slide rail for rack mounting CC3001 00 S160 Made by General Devices Use 10 32 screws with a maximum length of 0 38 inches to mount the slide rails Tightening t...

Страница 102: ...rnal con tact to turn output on and off Yes Use the external contact to turn output on p 63 No Set the external control parameter for turn ing output on and off to off CF09 oFF p 41 Even when the PWX7...

Страница 103: ...put volt age or current p 29 p 100 The output voltage or output current fluctuates Are you using master slave parallel opera tion Compared to independent operation the performance degrades slightly du...

Страница 104: ...cables p 20 Are you using remote sensing with long load cables Set up the environment so that the voltage drop in each load cable is within the com pensation voltage range 4 V for a single line p 20 A...

Страница 105: ...in use the IP address cannot be obtained from the DHCP server Is the LAN LED lit in orange or red If it is lit in orange the PWX series is wait ing for a response from the DHCP server If it turns red...

Страница 106: ...106 PWX This page is intentionally blank...

Страница 107: ...display 46 memory contents display 40 memory function 47 multichannel VMCB 3 channel 44 domain 44 O OCP 32 OCP activation detection time 42 OHP 34 output on and off external control 41 external contro...

Страница 108: ...108 PWX U UVL 34 V vendor ID display 46 version 2 VMCB Virtual Multi Channel Bus channel 44 domain 44 voltage monitoring range 41 voltage setting limit 42...

Страница 109: ......

Страница 110: ...110 KES4022 KIKUSUI ELECTRONICS CORP http www kikusui co jp 1 1 3 Higashiyamata Tsuzuki ku Yokohama 224 0023 Japan Tel 81 45 593 7570 Fax 81 45 593 7571 Website Printed in Japan...

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