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User`s Manual - Kikusui Electronics Corp.

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1. S3 Rated output voltage 30 V Z ated output voltage 30 pa g Rated output power O iag Rated output power PWX750LF 750 W 3 PWX1500L 1500 W 5 20 O 15 10 5 Rated output current 0 0 10 20 30 40 50 60 70 75 80 PWX750LF operating range f 0 20 40 60 80 100 120 140 150 160 PWX1500L operating range Output current A MLF ML type a Rated I 80 V r 2 ated output voltage Rated output power S Rated Giiput bower PWX750MLF 750 W 70 pur Power PWX1500ML 1500 W 3 60 5 O 50 40 30 20 Rated output current 4 10 0 0 5 10 15 20 25 28 30 PWX750MLF operating rang l 0 10 20 30 40 50 56 60 PWX1500ML operating range Output current A Basic Functions N 31 32 Operation Overview MHF MH type S 300 o Rated output voltage 230 V Rated output power S 250 PWX750MHF 750 W o Z Rated output power PWX1500MH 1500 W 2 200 6 150 100 50 Rated output current 0 0 2 4 6 8 10 12 PWX750MHF operating range T 0 4 8 12 16 20 24 PWX1500MH operating range Output current A HF H type S 700 Rated output voltage 650 V m 8 600 Rated output power ae Rated output pow PWX750HF 750 W 3 PWX1500H 1500 W 6 400 300 200 Rated output current 100 0 0 0 5 1 1 5 2 2 5 3 3 5 4 PWX750HF operat
2. Iso lated monitor signal output Current control Isolated voltage monitor VMON_IS 4 mA to 20 mA Isolated current monitor IMON_IS 4 mA to 20 mA Isolated monitor Accuracy 4 of rig common Load impedance 500 Q or less PWX PWX1500L PWX1500ML PWX1500MH PWX500H PWX General PWX1500L PWX1500ML PWX1500MH PWX1500H Weight main unit only Approximately 9 5 kg 20 94 Ib Approximately 9 kg 19 84 Ib Dimensions See the outline drawing Environ Operating environment Indoor use overvoltage category II mental Operating temperature 0 C to 50 C 32 F to 122 F conditions Operating humidity 20 rh to 85 rh no condensation Storage temperature 10 C to 60 C 14 F to 140 F Storage humidity 90 rh or less no condensation Altitude Up to 2000 m Cooling method Grounding polarity Forced air cooling using fan Negative grounding or positive grounding possible Isolation voltage 250 Vmax 500 Vmax 800 Vmax Isolated Analog Interface 60 Vmax 1 Withstand Between input and FG No abnormalities at 1500 Vac for 1 minute voltage Between input and output No abnormalities at 2000 Vac for 1 minute No abnormalities at 2250 Vdc for 1 minute Between output and FG No abnormalities at 1500 Vdc for No abnormalities No abnormalities 1 minute at 1600 Vdc for at 2000
3. CF34 Value Parameter description oFF A DHOP server is not used on A DHCP server is used factory default setting PWX CONFIG Settings CF31 AUTO IP address parameter Set whether to automatically attain an IP address when you are not using or can not use a DHCP server The address that is assigned by the AUTO IP function is 169 254 x x where x is a number between 0 and 254 If you are using a fixed IP address set this to oFF This parameter is applied when you turn the POWER switch off and on or when you execute CF34 Value Parameter description oFF The AUTO IP function will not be used on The AUTO IP function will be used factory default setting CF32 MANUAL IP address parameter Set whether to manually specify an IP address when you are not using or can not use a DHCP server If you are using a fixed IP address set this to oFF This parameter is applied when you turn the POWER switch off and on or when you execute CF34 Value Parameter description OFF The MANUAL IP function will not be used factory default setting on The MANUAL IP function will be used CF33 Resetting the LAN interface settings LCI Sets whether the LAN interface settings will be reset to their factory default settings You can use this if you forget the security password or IP address This parameter is only displayed when you are using the LAN interface Value Parameter description LCi The LA
4. cceeeeesessececeeneceeceee 3 Safety Precautions ceeeeceeessteeeeeeneeees 4 Precautions Concerning Installation Location 4 Notations Used in This Manual 4 Search Dy TOP C ccesecceeeeeseseeeeeseeeeseaes 7 Component Names cccccsseceerereeetees 8 Installation and Preparation Connecting the Power Cord 12 750 W model uu ceeeceseeeeeseeeeeeteeeeeeeeenaees 12 1500 W model 0006 13 Turning the Power ON ccseeceseseeteeeeeeenees 15 Turning the POWER switch on 0 15 Turning the POWER switch Off 16 Rack Mounting cecceeeceeeeeeeeeeeeeeeeneeseeeeeaeeraes 16 Load Considerations cccecceeceeeeeeeeeeeneees 17 Load Cables eccceceeeeeeeeeeteeseeeeeneeteeeeneeeee 19 Connecting to the Output Terminals 20 SENSN Geni ienai arasa ri aE EEE 23 Local sensing eecceeeeeeeeteeeetteeteeeeeteees 24 Remote sensing eseeseeeseeeeseeeeeeeeseeeen 24 Basic Functions Measured Value Display and Setting Display 28 Panel Operations cccesceeseseeeeeeeeeseeeeeeaes 29 Output Operations cccccceessseeeeeteeeeeteeeeees 30 Operation Overview cccccceesssceeeteeeeseeeeeees 31 CV Power Supply and CC Power Supply 33 Using the PWX series as a CV or CC Power Sup 0 Re ere Ree E tu eee EEE 35 Protection Functions and Alarms 36 Alarm occurrence and clearing alar
5. PART NO IB026483 KIKUSUI 21 Installation and Preparation Basic Functions User s Manual Regulated DC Power Supply iii des PWX Series Parallel Series Operation 750W model PWX750LF Maintenance PWX750MLF PWX7 5OM H F Specifications PWX750HF Isolated Analog Interface 1500W model PWX1500L OPtions PWX1 500M L Troubleshooting PWX1500MH PWX1500H Thank you for purchasing the PWX Series Regulated DC Power Supply About the PWX series Manuals These manuals are intended for users of the Regulated DC Power Supply and their instructors It is assumed that the reader has knowledge about electrical aspects of regulated DC power supplies Documentation Structure E Safety information This document contains general safety precautions for this product Keep them in mind and make sure to observe them E User s manual this manual PDF This manual is intended for first time users of this product It provides an overview of the product and notes on usage It also explains how to configure the product operate the product perform maintenance on the product specifications the product and so on To effectively use the product fea tures read this manual from beginning to end We recommend that you read it thoroughly before using this product for the first time If you forget how to use the product or if a problem occurs we recommend that you refer to this manual again Quick reference Thi
6. oFF Control will not be performed factory default setting on Control will be performed CF06 CV control using an Vext or Rext p 65 Selects whether constant voltage will be controlled by an external voltage Vext or an exter R ERS nal resistance Rext the J1 connector This is set to oFF when the panel settings are reset CF00 and when a preset memory entry is recalled You can only specify this parameter when the PWX series is being used as a master unit Value Parameter description oFF Control will not be performed factory default setting on Control will be performed 46 PWX CONFIG Settings CF07 CV CC control range parameter Selects the range that is used when controlling constant current and constant voltage with an See p 65 p 67 external voltage or an external resistance the J1 connector You can only specify this parameter when the PWX series is being used as a master unit Value Parameter description Lo 0 V to 5 V factory default setting Hi OVto10V CF08 Range during voltage and current monitoring p 73 Selects the range during voltage and current monitoring Value Parameter description Lo 0 V to 5 V factory default setting Hi 0Vto10V CF09 External control parameter for turning output on and off Selects whether an external contact the J1 connector will be used to turn output on and off This is set to oFF when the panel settings are res
7. Alarm clear control ALM CLR Clears alarms with a LOW 0 V to 0 5 V or short circuit 1 J1 connector on the rear panel Other features Common Master slave parallel operation Including the master unit up to four units all the same model can be connected Series operation Up to two units all the same model can be connected Preset memory Up to three sets of the following settings can be saved the set voltage the set current the set OVP the set OCP and the set UVL Key lock Locks the operation of all keys other than the OUTPUT key Multichannel Between master unit and PC LAN USB RS232C VMCB Slave unit LAN 1 Excluding the PWX150H PWX PWX1500L PWX1500ML PWX1500MH PWX500H PWX Interface Common Common Software protocol IEEE Std 488 2 1992 specifications Command language Complies with SCPI Specification 1999 0 Has a compatibility mode switchable l Genesys series made by TDK Lambda e N5700 and N8700 made by Agilent Technologies e DSC series made by Sorensen PAG series made by Kikusui RS232C Hardware Complies with the EIA232D specifications excluding the connector RJ 45 connector 2 Baud rate 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 Compli
8. Rating Tolerance PWX750LF 100 A 50 mV 0 50 mQ PWX750MLF 30 A 50 mV 1 67 mQ PWX750MHF 10 A 50 mV 5 mQ PWX750HF 5A 50 mV 10 mQ lt 0 1 PWX1500L 150 A 50 mV 0 50 mQ PWX1500ML 100 A 50 mV 0 50 mQ PWX1500MH 20 A 50 mV 2 5 mQ PWX1500H 10 A 50 mV 5 mQ Environment Perform calibration in the following environment e Temperature 23 C 5 C e Humidity 80 rh or less To minimize the calibration error due to initial drift warm up the PWX series for at least 30 minutes before calibration In addition warm up the DVM and shunt resistor for as long as is necessary PWX Calibration Calibration procedure Use the KIKUSUI PWX calibration application software included on the CD ROM to cali brate the PWX series The system requirements for the KIKUSUI PWX calibration is below E OS e Windows7 x86 x64 e Windows Vista x86 x64 Windows XP SP2 x86 NET Framework 2 0 or later m VISA library One of the following VISA libraries is required Do not install multiple VISA libraries on the same PC Doing so may cause errors e NI VISA by National Instruments Corporation Ver 5 0 3 or later e 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 Calibration Manual that is installed together with the application GE software for calibrating the PWX series Be sure to go through all the calibration ite
9. Symptom Items to Check Remedy See No output is generated even Is the output voltage set to 0 V and the Turn the knobs to set the output voltage p 29 when the OUTPUT switchis output current set to 0 A and output current to the required values turned on Are you using an external con Yes Use the external contact to turn output on p 69 tact to turn output on and off No Set the external control parameter for turn p 47 ing output on and off to off CF09 oFF Even when the PWX series is Has the overvoltage protection OVP Limit the set output voltage CF15 on If p 48 configured so that output is function been activated you do not limit the set output voltage turned on at power on the CF15 oFF set the OVP to a value that is output is turned off immedi higher than the set voltage ately after the power is turned Has the overvoltage protection2 OVP2 A voltage that is greater than or equalto p 96 on function been activated the rated output may be being applied to p 105 the PWX series Check the voltage that is being applied Has the overheat protection OHP OHP2 The internal temperature is abnormally p 40 function been activated high Check the operating conditions After you have removed the cause of the abnor mal temperature turn the power switch on The air inlet louver may be clogged or the fan may be broken Check them Is a shutdown SD signal being applied Set pin 6 of the J1 connector to HIGH 4 5 p 71 V to
10. 90 rh or less no condensation Notations Used in This Manual In this manual the PWX Series Regulated DC Power Sup ply is referred to as the PWX Series or PWX The term PC is used to refer generally to both personal computers and workstations The screen captures used in this manual may differ from the actual screens that appear on the PWX series The screen captures are merely examples The following markings are used in this manual Z WARNING Indicates a potentially hazardous situation which if ignored could result in death or serious injury Z CAUTION Indicates a potentially hazardous situation which if ignored may result in damage to the product or other property NOTE Indicates information that you should know DESCRIPTION Explanation of terminology or operation principle ON Indicates reference to detailed information operation man ual CFxx x CF stands for a CONFIG parameter The two digits after CF indicate the CONFIG parameter number The value after the colon indicates the selected setting SHIFT key name blue characters below the keys Indicates an operation that requires you to press a key indicated in blue characters below the key while holding down the SHIFT key Memo Indicates useful information PWX Contents PWX About the PWX series Manuals 2 Checking the Package Contents 2 Product Overview
11. connected units Value Parameter description OFF The bleeder circuit is turned off on The bleeder circuit is turned on factory default setting PWX Basic Functions N 48 CONFIG Settings CF12 Output on startup state parameter Sets the operation mode to be prioritized when the output is turned on When used as a slave device CC is automatically prioritized To use the PWX series as a standalone unit or master unit after using it as a slave unit set the operation mode that you want to use If you do not set the operation mode CC will be prioritized You can only specify this parameter when the PWX series is being used as a master unit Value Parameter description CC CC constant current is prioritized CV CV constant voltage is prioritized factory default setting CF13 Detection time of OCP activation 38 Set the time when the overcurrent protection OCP is activated after an overcurrent is a detected Set this in 100 ms steps Value Parameter description 0 0 ms factory default setting 100 to 2000 100 ms to 2000 ms CF14 Current setting limit Set whether to limit the set output current so that its value does not exceed the set overcur rent protection approximately 95 of the OCP trip point When the current setting limit is set to oFF if you set the current setting limit to on when the set OCP is lower than the set current the current value will be maint
12. keep the wire as short as possible If the wiring between the PWX series and the external contact is long it becomes easy for noise to influence the operation of the PWX series Even if you use cables that are designed to suppress noise the PWX series may not operate properly External Control Q 65 66 Controlling the Output Voltage If you use a shielded cable connect the shield to the negative output terminal If the shield needs to be connected to the Vext side see Cautions when using the external voltage Vext Use pins 22 and 23 of the J1 connector Control using an external resistance Rext By using an external resistance Rext to change the reference voltage s voltage divider ratio you can change the output voltage Eo in the range of 0 to the 105 of the rated output volt age Ertg To use an external resistance Rext to control the output voltage set the CV control using an external voltage or an external resistance in the CONFIG settings so that external voltage control is performed CFO6 on The output voltage Eo varies in the range of 0 to the rated output voltage Ertg when the external voltage Vext is changed in the range of 0 V to 5 V CF07 Lo or in the range of 0 V to 10 V CF07 Hi External voltage Vext 0 V to 5 V CF07 Lo External voltage Vext 0 V to 10 V CF07 Hi Eo Ertg x Vext 5 in V Eo Ertg x Vext 10 in V Vext 5 x Eo Ertg in V Vext 10 x Eo E
13. 15 CVLED Lights in green during constant voltage mode p 35 16 OUTPUT LED aries Neen an Ua turned on Blinks orange when output is on and a protection p 30 p 36 e e s PWX 9 No Name Function Lights in red when a protection function has been activated However does not light when 17 ALARM LED a undervoltage limit UVL protection has been activated Blinks red when the power limit p 36 POWER LIMIT has been activated A Lights in green when the memory A values are being recalled or saved 18 PRESET LED B Lights in green when the memory B values are being recalled or saved p 53 C Lights in green when the memory C values are being recalled or saved 19 LOCK LED Lights in green when the keys are locked p 55 20 REMOTE LED Lights in green during remote control Lights and blinks when the LAN interface is in use e No fault status Lights in green 21 LAN LED e Fault status Lights in red e Standby status Lights in orange e WEB identify status Blinks green Rear Panel 8 9 10 7 Serial number 750 W model 2 3 4 1 5 6 8 10 7 Serial number 1500 W model No Name Function 1 DC OUTPUT Output connector 2 USB USB port for controlling the PWX series remotely 3 RS232C RS232C port for controlling the PWX series remotely MANUAL Interface 4 LAN Ethernet port for controlling the PWX series remotely Manual 5 Air outlet Air outlet for cooling the inside o
14. 5 V or open the pin or eliminate the shutdown SD signal PWX 118 Troubleshooting Unable to set the output voltage or output current correctly Symptom Items to Check Remedy The output voltage cannot be Have you tried to specify a value that is You cannot set the output voltage to a p 38 set correctly higher than the OVP trip point value that is 95 of the OVP trip point or higher Check the OVP trip point Have you tried to set a voltage value that You cannot set the output voltage to a p 40 is lower than the voltage value that is value that is lower than the voltage that is specified by UVL specified by UVL Check the voltage that is specified by UVL The output current cannot be Have you tried to specify a value that is You cannot set the output current to a p 38 set correctly higher than the OCP trip point value that is 95 of the OCP trip point or higher Check the OCP trip point The output is unstable Symptom Items to Check Remedy When the output is on turning Is the operation mode switching from CV Change the setting output voltage or out p 35 the VOLTAGE knob or CUR to CC or CC to CV put current that is limiting the output toa p 116 RENT knob results in unstable value greater than the present setting If output the setting is at maximum you must use a power supply that has a larger output volt age or current The output voltage or output Are you using master slave parallel opera
15. NOTE Use the supplied power cord to connect to the AC line If the supplied power cord cannot be used because the rated voltage or the plug shape is incompatible have a qualified engineer replace it with an appropriate power cord that is 3 m or less in length If obtaining a power cord is difficult contact your Kikusui agent or dis tributor e The power cord with a plug can be used to disconnect the PWX series from the AC power line in an emergency Connect the plug to an easily accessible power outlet so that the plug can be removed from the outlet at any time Be sure to provide adequate clearance around the power outlet Do not use the specialized power cord with other instruments 1 Check that the AC power line meets the nominal input rating of the prod uct The product can receive a nominal line voltage in the range of 100 Vac to 240 Vac at 50 Hz or 60 Hz Check that the POWER switch is turned off Connect the power cord to the AC inlet on the rear panel A O N Insert the power plug into a grounded outlet PWX Connecting the Power Cord 1500 W model IM Risk of electric shock Before you connect the power cord turn off the switchboard breaker a switch that cuts off the power supply from the switchboard Risk of fire Be sure to have a qualified engineer make the connection to the switchboard The switchboard breaker must meet the requirements shown below CAUTION Inside the product pr
16. PWX 750W model PWX AC input PWX750LF PWX750MLF PWX750MHF PWX750HF Nominal input rating 100 Vac to 240 Vac 50 Hz to 60 Hz single phase Input voltage range 85 Vac to 265 Vac Input frequency range 47 Hz to 63 Hz Current MAX 100 Vac 10 5 A 200 Vac 5 25 A Inrush current MAX 70 Apeak or less Power MAX 1100 VA Power factor TYP 0 99 input voltage 100 V 0 97 input voltage 200 V 0 98 input voltage 100 V 0 96 input voltage 200 V Efficiency MIN 74 or more Hold up time for power interrup tion MIN 20 ms or greater 1 With the rated load 2 Excludes the charge current component that flows through the capacitor of the internal EMC filter circuit immediately after the POWER switch is turned on for approximately 1 ms 3 For all loads with 100 Vac input Specifications gt 93 94 PWX750LF PWX750MLF PWX750MHF PWX750HF Output PWX750LF PWX750MLF PWX750MHF PWX750HF Rating Output voltage 30 V 80 V 230 V 650 V Output current 4 75 A 28 A 10A 3 5A Output power 750 W Voltage Setting range 0 V to 31 5 V 0 V to 84 V 0 V to 241 5 V O V to 682 5 V Setting accuracy 0 05 of setting 0 05 of rtg Line regulation 2 5 mV 10 mV 25 mV 67 mV Load regulation 3 5 mV 10 mV 25 mV 67 mV Transient
17. Vext to control the output voltage set the CV control using an external voltage or an external resistance in the CONFIG settings so that external voltage con trol is enabled CF06 on The output voltage Eo varies in the range of 0 to the rated output voltage Ertg when the external voltage Vext is changed in the range of 0 V to 5 V CF07 Lo or in the range of 0 V to 10 V CF07 Hi External voltage Vext 0 V to 5 V CF07 Lo External voltage Vext 0 V to 10 V CF07 Hi Eo Ertg x Vext 5 in V Eo Ertg x Vext 10 in V Vext 5 x Eo Ertg in V Vext 10 x Eo Ertg in V CAUTION The signal cable may burn out Do not connect the Vext output that is leave it floating Risk of damage to the product e Pay careful attention to the polarity of Vext Do not apply a voltage of 10 5 V or greater or a reverse voltage across the external voltage control pins e When using the optional isolated analog interface do not connect anything to pin 22 VPGM of the J1 connector External voltage Vext connection Use a low noise stable voltage source Jore shieldadits or for Vext The noise in Vext is multiplied twisted pair wire PWX by the amplification factor of the PWX series and appears in the output Therefore the output ripple noise may not meet the specifications of the PWX series To reduce the influence of noise on the output connect a 2 core shielded wire or a twisted pair wire across Vext and
18. ZCAT3035 1330 EMI FILTER 250 Ohm 100 MHz by TDK 1 Unlock the snap on core and open to split 2 Wrap the cable twice around either half of the open Uka core open the core Wrap the wire so that the distance between the core and the J1 connector is within 30 mm 3 Close the core keeping the USB cable from being wedged in between Check that the core is securely locked gas To J1 connector L gt To connection Ll em 5 Co S o Uo PWX About the J1 Connector J1 connector pin arrangement AJ Connector type 5747461 3 AMP Plug type 745211 7 AMP 1012100 9O8DS6S6QSOQ4 aay 25 24 23 22 24 20 19 18 17 16 15 14 Wire diameter AWG26 to AWG22 Manual pressure weld AMP handle assembly 58074 1 Pin number positions when you are ing tool AMP head assembly 58063 2 facing the rear panel Insertion extraction tool AMP 91232 1 or equivalent Pin 3 aes no Signal name Description 1 STATUS COM Status signal common for pins 2 3 and 14 to 16 2 CV STATUS On when the PWX series is in CV mode open collector output from a photocoupler 3 CC STATUS On when the PWX series is in CC mode open collector output from a photocoupler 2 4 N C Not connected 5 ALM CLR Alarm clear terminal 5 Alarms are cleared when a LOW 0 V to 0 5 V or short circuit is applied to this terminal
19. bps 19 2 19200 bps factory default setting PWX ee Preset Memory Function The PWX series has the preset memory that stores three sets of the following settings the voltage the current the OVP the OCP and the UVL You can recall the stored set from the preset memory whenever you need To select the preset memory that you specify for saving or recalling a set of settings press A B or C key while holding down SHIFT key The recalling will be effective at the moment when you select the preset memory To save the present settings you need to keep holding down the keys SHIFT A B or Saving settings to preset memory p 40 PWX 1 Press SET The SET key lights and the present voltage and current settings are displayed on the panel 2 While viewing the values displayed on the panel turn the VOLTAGE knob to set the preset memory voltage and turn the CURRENT knob to set the preset memory current 3 Press OCP OVP The OCPeOVP 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 the VOLTAGE knob to set the preset memory OVP value and turn the CURRENT knob to set the preset memory OCP value 5 Press OCP OVP again The present UVL trip point is displayed 6 While viewing the value displayed on the panel turn the VOLTAGE knob to set the preset memory UVL value 7 Press SHIFT the memory key A B or C to which
20. cannot be used to accurately monitor the AC components such as ripple and transient response wave form of the actual output voltage or current External monitoring of the operation status The J1 connector has status outputs that can be used to externally monitor the operation sta tus of the PWX series The following five items make up the status outputs The outputs are open collector outputs of photocouplers they are isolated from the internal circuits of the PWX series The status common is floating that is it has an isolation voltage of less than or equal 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 longer be floating If the positive output terminal is connected to the chassis terminal in this condition the status common will be at an electric potential that is lower than that of the chassis terminal by the output voltage Because the positive 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 The maximum ratings of the signal terminals are as follows Maximum voltage 30 V Maximum current sink 8 mA PWX External Control Q 73 74 Pin no Signal name Description Circuit STATUS COM This is the status output common This is the photocoupler
21. discharges by turning the bleeder circuit off Compatibility with other products You can set the command language and emulation that are used during remote control By setting the command lan guage you can enable the PWX to support the proprietary commands of other products By selecting the emulation you can remotely control products other than the PWX Isolated analog interface factory option You can use isolated optical signals to set and monitor the output voltage and current The signal is isolated from the reference potential of this product You can use a voltage control 0 V to 5 Vor0Vto10V ora current control 4 mA to 20 mA uN Safety Precautions When using this product be sure to observe the Safety Precautions in the Safety information manual Precautions Concerning Installation Location When installing this product be sure to observe the Precautions Concerning Installation Location in the Safety information manual The following precautions pertain only to this product e When installing this product be sure to observe the temper ature and humidity ranges indicated below Operating temperature range 0 C to 50 C 32 F to 122 F Operating humidity range 20 rh to 85 rh no condensation e When storing this product be sure to observe the tempera ture and humidity ranges indicated below Storage temperature range 10 C to 60 C 14 F to 140 F Storage humidity range
22. during series operation The features of the PWX series during series operation are as follows Voltage display and current display The voltage and current are displayed on unit 1 and unit 2 To calculate the total output volt age add the voltages of unit 1 and unit 2 You can switch the display so that it shows power The power is displayed on unit 1 and unit 2 REGULATED DC POWER SUPPLY 1 ov LX Unit 1 CURRENT VOLTAGE ow A LOCK REMOTE LAN Ea acro OVP Conec Pinos DSPL LOCAL QA Eas co EA me m LOCK Lit REGULATED DC POWER SUPPLY 7 EARR EHME CURRENT VOLTAGE 7 a Q LOGI E LAN Example of the panel display K REMOTI ene EBE Neal Gry qoe memo poen I during series operation i LOCK Lit The output current is 28 A External control This is available External monitoring 7 WARNING During monitoring be careful of shorts and electric shocks When monitoring the out put voltage or output current during master slave series operation the electric poten tial of the commons of the master unit s monitor signal and the slave unit s monitor signal are different 0 73 e External monitoring of the output voltage V MON ee 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 slave unit 82 PWX Series Operation e External monitoring of the output current 1 MON This can only be monitored fr
23. emitter output CV STATUS This is set to low level when the PWX series is in constant voltage mode This is the photocoupler open collector output CC STATUS This is set to low level when the PWX series 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 OHP2 FAN SEN AC FAIL SD is activated This is the photocoupler open collector output 15 16 PWR ON STATUS OUT ON STATUS This is set to low level when the PWX series is turned on PWR ON STATUS This is the photocoupler open collector output This is set to low level when the output is turned on This is the photocoupler open collector output 6 H HE FE FE 14 15 16 PWX Parallel 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 76 Master Slave Parallel Operation Z CAUTION In master slave parallel operation one unit is the master unit and all other units connected in parallel are slave units The master and slave units must all be the same model You can con trol the whole system by operating the master You can use master slave parallel operation to expand the output current maximum output current the rated output current of one unit x the number of units conn
24. entry is being used the PRESET A B or C LED lights in green 1 Press PWR DSPL to display the power on the ammeter Each time you press this key the display switches between power and current PWX PWX1500L PWX1500ML PWX1500MH PWX500H PWX Protection functions PWX1500L PWX1500ML PWX1500MH PWX1500H Overvoltage protection OVP Turns the output off displays OVP and lights ALARM Setting range 3 V to 33 6 V 8 V to 89 6 V 23 V to 257 6 V 65 V to 728 0 V 10 to 112 of the rated output voltage Setting accuracy 1 5 of rtg Overvoltage protection 2 OVP2 Turns the output off displays OVP2 and lights ALARM Value fixed 36 V 96 v 276 V 780 V 120 of the rated output voltage Overcurrent protection OCP 1 Setting range 15 A to 168 A 5 6 A to 62 72 A 2 A to 22 4 A 0 7 A to 7 84 A 10 to 112 of the rated output current Overheat protection OHP Turns the output off displays OCP and lights ALARM Setting accuracy 3 of rtg Undervoltage limit UVL Cannot be set to a value less than or equal to the set voltage Setting range 0 V to 31 5 V 0 Vto84V 0 V to 241 5 V 0 V to 682 5 V 0 to 105 of the rated output voltage Turns the output off displays OHP and lights ALARM Overheat protection2 OHP2 Turns the output off displays OHP2 and lights ALARM Fan failure protection FAN Turns the output off 2 displays FAN and light
25. for the OHP FAN and AC FAIL alarms Signal output Common Monitor Voltage monitor VMON Selectable monitor voltage range 0 V to 5 V or 0 V to 10 V signal output Setting accuracy 2 5 of rtg Current monitor IMON Selectable monitor voltage range 0 V to 5 V or 0 V to 10 V Setting accuracy 2 5 of rtg Status signal OUTON STATUS Turns on when the output is on output CV STATUS Turns on during CV operation CC STATUS Turns on during CC operation ALM STATUS Turns on when an alarm has been activated PWR ON STATUS Turns on when the power is turned on J1 connector on the rear panel 2 Photocoupler open collector output maximum voltage 30 V maximum current sink 8 mA isolated from the output and control circuits status commons are floating withstand voltage of less than or equal to 60 V and status signals are not mutually isolated PWX PWX750LF PWX750MLF PWX750MHF PWX750HF PWX Control features Common External Output voltage control VPGM control 0 to 100 of the rated output voltage Selectable control voltage range 0 V to 5 V or 0 V to 10 V Accuracy 5 of rtg Output current control IPGM 0 to 100 of the rated output current Selectable control voltage range 0 V to 5 V or 0 V to 10 V Accuracy 5 of rtg Output on off control OUTPUT ON OFF CONT Possible logic selection
26. if the brightness of the panel display is different between units you can adjust it PWX CF16 Panel display brightness setting Adjusts the panel display brightness The larger the number the brighter the display Even if you specify the same number the brightness may be different between individual products The brightness is not proportional to the setting Value Parameter description 1to7 Screen brightness factory default setting 7 CF17 Communication monitor timer setting Sets the interval for monitoring SCPI command communication The communication monitoring function operates regardless of whether the product is in remote or local panel control mode When using local mode panel control be sure to specify oFF Value Parameter description OFF Communication monitor timer is set to off factory default setting 1to3000 1s 3 s 10 s 30s 100 s 300s 1000s 3000s CF20 Remote interface parameter Selects the remote interface that you want to use This parameter is applied when you turn the POWER switch off and on Value Parameter description LAn The LAN interface will be used factory default setting uSb The USB interface will be used 232 The RS232C interface will be used CF21 Command language parameter Selects the command language that is used in remote control messages This parameter is applied when you turn the POWER switch off and on Value Pa
27. of alarm is not displayed To view the cause of the alarm exit from the CONFIG parameter dis play PWX Protection Functions and Alarms Clearing alarms To clear alarms press ALM CLR SHIFT SET 2 set pin 5 of the J1 connector to LOW 0 V to 0 5 V or shorted or 3 turn the PWX series off fix the problem that caused the alarm and then turn the PWX series on If overvoltage protection 2 OVP2 overheat protection 2 OHP2 and Shutdown SD has been activated turn the PWX series off fix the problem that caused the alarm and then turn the PWX series on When the overheat protection OHP fan failure protection FAN or low AC input protection AC FAIL function is activated output is turned off You can use the CONFIG settings to select how the PWX series will perform after the problem that caused the alarm is fixed You can select to turn the output on automatically CF03 Auto or to leave the output off CF03 SAFE If you select to turn the output on automatically after the problem that caused the alarm is fixed the output will turn on automatically If an alarm still occurs even after you have corrected all the causes of alarms the PWX series may be malfunctioning Stop using it immediately and contact your Kikusui agent or distribu tor For an explanation of the problems that cause the alarms see the explanation of each pro tection function Alarm signal The alarm signal is isolated from other termin
28. output on startup state CF12 prioritize CC or CV CK REMOTE LAN my LXI VOLTAGE OME k Lot iC FINE AM PNAS sr ocr OVP CONFIG rinse soca ES ain DK T Tam Output on Output on or off when the PWX series turns on 58 In the factory default settings output is off when the PWX series turns on Using a CONFIG Ap parameter CF02 Forc you can set the PWX series so that output is turned on at power on p 38 If you set the PWX series so that output is turned on at power on be sure to check the OVP trip point setting before you turn the PWX series off If you change the load it may be damaged if the PWX series s OVP and OCP settings are CAUTION A not correct PWX Operation Overview PWX The PWX series is a constant voltage CV constant current CC regulated DC power supply that can output a wide range of voltage and current within rated output power If you configure the settings so that output voltage x output current is less than or equal to the rated output power the PWX series operates as a traditional constant voltage CV con stant current CC power supply If you configure the settings so that output voltage x output current is greater than the rated output power the actual output is limited by the power limit POWER LIMIT approximately 105 of the rated output power and the output voltage and output current change depend ing on the load value LF L type
29. response 4 1 ms or less 7 ms or less Ripple noise gt p p 60 mV 80 mV 120 mV 330 mV rms 7 8 mV 8 mV 25 mV 60 mV Rise time Rated load 100 ms No load 100 ms Fall time Rated load 100 ms 150 ms 250 ms No load 450 ms 1500 ms 3000 ms Maximum remote sensing com 1 5 V 4V 5V 5V pensation voltage single line Temperature coefficient MAX 100 ppm C during external control Current Setting range OAto78 75A 0 Ato 29 4 A O0 Ato 10 5 A 0 A to 3 675 A Setting accuracy 0 5 of setting 0 1 of rtg Line regulation 9 5 mA 4 8 mA 3 mA 2 35 mA Load regulation 20 mA 10 6 mA 7 mA 5 7 mA Ripple noise rms 7 150 mA 65 mA 30 mA 15 mA Temperature coefficient TYP 9 100 ppm C 2 85 Vac to 135 Vac or 170 Vac to 265 Vac fixed load 3 The amount of change that occurs when the load is changed from no load to rated load rated output power rated output voltage with rated output voltage The value is measured at the sensing point 4 The amount of time required for the output voltage to return to a value within rated output voltage 0 1 10 mV The load current fluctuation is 50 to 100 of the maximum current with the set output voltage OONOODW O The maximum output voltage and current are limited by the maximum output power Measured using an RC 9131B 1 1 probe that conforms to the JEITA specifications At the rated output current When the measurement frequency bandwidth is 10 Hz to
30. same polarity output terminals on the master unit and slave units If you are using the units under floating conditions do not connect the terminals Parallel Series Operation gt 80 Master Slave Parallel Operation 6 Attach the OUTPUT terminal covers If you have a third and fourth slave unit connect them in the same manner Settings master slave parallel operation Setting the master unit the slave units and the number of units in parallel operation including the master unit Turn the output off and then configure the master unit CF01 2 to 4 and the slave units CF01 SLAV in master slave parallel operation On the master unit set the number of units in master slave parallel operation CF01 2 to 4 In the factory default settings the PWX series is set to independent operation CF01 1 Turn the POWER switch off and on to enable the setting Be sure to set the number of units in master slave parallel operation CF01 to the actual number of units that are connected If this parameter is incorrect settings such as those for the current and the overcurrent protection OCP cannot be set correctly and the measured current will not be displayed correctly Setting the voltage and current 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 parallel operation CF01 th
31. sensing terminal Rigi Gomes lee LS Connected to the negative output terminal Strip 7 mm 0 28 inches of the cable covering and then insert Not connected the cable here Positive local sensing terminal Local sensing jumpers LS Connected to the positive output terminal S Positive remote sensing terminal Sensing AWG28 to AWG16 cable Installation and Preparation 23 24 Sensing Local sensing By factory default the PWX series is set to local sensing the rear panel sensing connector is hard wired The sensing point during local sensing is the output terminal This method does not compensate for the voltage drop in the load cable so use this method when the load cur rent is small or when you do not need to consider the load effect voltage PWX Use twisted pair wires for the load cables er Make the cables as short as possible Remote sensing Remote sensing is a feature that stabilizes the output voltage across the load by reducing the influence of voltage drops and other effects caused by the load cable resistance You can use the PWX series remote sensing feature to compensate up to 4 V for a single line Select a load cable that has sufficient current capacity to prevent the voltage drop in the load cable from exceeding the 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 vo
32. switches For example when operating in CV mode if the load changes and the output current reaches the current limit the PWX series automatically switches to CC mode to protect the load Like wise when operating in CC mode if the output voltage reaches the voltage limit the PWX series switches to CV mode Basic Functions N 33 34 CV Power Supply and CC Power Supply CV mode and CC mode operation example This section uses a power supply with a rated output voltage of 100 V and a rated output cur rent of 10 A as an example A load resistance RL of 8 Q is connected to the output terminals of the power supply The output voltage and output current are set to 30 V and 5 A respectively In this case Rc 30 V 5 A 6 Q Because 8 Q is greater than 6 Q RL gt Rc the power supply operates in CV mode When you want to increase the voltage in CV mode you can increase the voltage up to the voltage defined by the following equation Vs Is x RL Substituting the values we obtain Vs 5A x 8 Q 40 V 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 Next a load resistance RL of 5 is connected to the output terminals of the power supply The output voltage and output current are set to 30 V and 5 A respectively In this case Rc 30 V 5 A 6 Q Because 5 Q is less th
33. terminal cover according to the load cable diameter For thin load cables Align the protrusion of the top half of the cover with the middle section of the protrusion of the bottom half of the cover Cover hole diameter Up to 10 mm Middle mE For thick load cables Align the protrusion of the top half of the cover with the top section of the protrusion of the bottom half Cover hole diameter 10 mm to 18 mm Bottom half of the cover 4 Push the OUTPUT terminal cover against the rear panel and then use the PWX screws to fix the cover in place Make sure that the screws are securely fastened After you have lined up the top and bottom halves of the cover use the screws to fix the cover in place Ho 7 Screws M3 PWX Sensing PWX When the PWX series is shipped from the factory terminal cover and connector are attached to the sensing terminals For safety reasons when not using the sensing terminals be sure to attach to terminal cover If they are damaged or lost contact your Kikusui agent or distributor Terminal cover Connector P1 000 109 84 61 7305 Connecting the sensing cables Risk of electric shock and damage to internal circuits Never wire the sensing terminals while the POWER switch is turned on Use sensing cables whose rated voltage is higher than the PWX series isolation volt age Protect the uncovered sections of the shielded cable by using insulation tubes whos
34. terminal voltage Model Bleeder Sink current circuit F0 Vout 20 Vout 50 Vout 100 Vout 200 Vout 230 Vout PWX750MHF ON 746 mA 549 mA 307 mA 177 mA 96 MA 84 mA OFF 0 2mA 0 3 mA 0 7 MA 1 3 mA 2 5 MA 2 9 mA PWX1500MH ON 1097 mA 808 mA 451 mA 260 mA 140 mA 123 mA OFF 0 3 mA 0 5mA 1 3mA 2 5 mA 5 0 mA 5 8 Vout Output terminal voltage Model Bleeder Sink current circuit 50 Vout 50 Vout 100 Vout 200 Vout 300 Vout 400 Vout 500 Vout 600 Vout 650 Vout PWX750HF ON 309 mA 217 mA 145 mA 87mA 62mA 48mA 40mA 33 mA 31 mA OFF 0 2mA 0 3mA 0 6mA 1 2mA 1 8mA 2 4mA 3 0mA 3 6 MA 3 9 mA PWX1500H ON 463 mA 325 mA 217 mA 1830 mA 93mA 73mA 59mA 50mA 47 mA OFF 0 2mA 0 5mA 0 9mA 1 7mA 2 5mA 3 4mA 4 2 mA 5 0 mA 5 5 mA 1 Even when the breeder is on the sink current decreases gradually at output terminal voltages lower than this voltage If the output terminal voltage is near 0 V hardly any current will be sunk even when the breeder is on m Fall time of the output voltage when the breeder is off This is the time period for the rated output voltage to fall from 90 to 10 when the out put is changed from on to off under no load conditions Model Fall time Model Fall time PWX750LF 310 seconds PWX1500L 490 seconds PWX750M
35. to mount the slide rails CC3001 00 S160 Tightening torque 2 87 Nem to 3 58 Nem Power cord This is the power cord that is used to connect the product to the AC line CE non compliant P AC5 5 3P3M M4C VCTF Adapter cable RD 8P 9P This is an adapter cable for connecting a D sub 9 pin RS232C cable to the product For the 1500 W model 116 PWX Options PWX Parallel operation signal cable This cable is used when you perform parallel operations The following three types are avail able PC01 PWX for operating PC02 PWxX for operating PC03 PWX for operating two units in parallel three units in parallel four units in parallel 117 R Troubleshooting This section introduces troubleshooting measures Typical symptoms are listed Check whether any of the items listed below apply to your case In some cases the problem can be solved quite easily p 58 agent or distributor The power does not turn on Symptom If none of the items apply to your case we recommend that you initialize the PWX series to its factory default settings If the remedy does not correct the problem contact your Kikusui The PWX series does not operate when the POWER switch is turned on Items to Check Remedy Is the power cord broken Exchange the power cord with a new one p 2 Is the power cord connected correctly Connect the power cord correctly p 12 No output is generated
36. you are using the optional parallel operation signal cable PC01 PC02 or PC03 PWX the connector is already assembled so you can use it as is p 60 p 117 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 longer be floating If the positive output terminal is connected to the chassis terminal in this condition the status common will be at an electric potential that is lower than that of the chassis terminal by the output voltage Because the positive 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 78 re 1 PRLOUT 4 B PRL IN 1 ACOM PRL IN I PRLCOMPOUT 4 PRLCOMPIN sTATUSCOM O ACOM OUTON STATUS t OUT ON OFF CONT 1 1SUM SUM I 1 Connections for parallel operation two Q OQOQOO e PRL IN i PRL IN i PRL COMP IN i ACOM I OUT ON OFF CONT SUM i I 1 Decide which PWX series to use as the master unit 2 Connect the J1 connector on the rear panel of the master unit to the J1 connector on the rear panel of the first slave unit If you are using the optional parallel operation signal cable PCO1 PC02 or PCO3 PWX the connector is already assembled so
37. you can use it as is 3 Connect the J1 connector on the rear panel of the first slave unit to the J1 connector on the rear panel of the second slave unit If you are using the optional parallel operation signal cable PCO1 PCO2 or PCO3 PWX the connector is already assembled so you can use it as is If you have a third slave unit connect it in the same manner Master Slave Parallel Operation See p 19 PWX Connecting the load parallel operation Z CAUTION Risk of electric shock Turn the POWER switch off before you touch the OUTPUT ter minals Attach the OUTPUT terminal cover after you finish wiring the load When you connect the output terminals to the chassis terminals be sure to connect the same polarity output terminals positive or negative of the master unit and the slave units to the chassis terminals If you connect different polarity output terminals of the master unit and the slave units to the chassis terminal the output will be grounded through the power cable s GND wire Not only will this make the output incorrect it will also cause the chassis terminal cable to burn out When the load cables are distributed over longer distance the phase shifting due to wiring inductance and capacitance may go beyond the limit and result in oscillation To prevent such oscillation connect an electrolytic capacitor with several hundreds to several tens of thousands uF across the load Use an electrolytic
38. you want to save the settings Hold the keys down until their LEDs turn on The PRESET A PRESET B or PRESET C LED in the display area whichever one cor responds to the memory entry that you selected lights to indicate that the preset memory entry has been saved By following step 7 you can save preset memory entries when the output is on and the mea sured value display is being shown the SET key LED is off After you save a preset memory entry press SET to view the preset memory values Basic Functions N 53 54 Preset Memory Function Recalling preset memory entries You can recall preset memory entries from the measured value display when the SET key LED is off and from the setting display when the SET key LED is lit If the output is on the values in the preset memory entry are applied to the output the moment that the preset memory entry is recalled the moment that the settings are applied There are two methods to recall a preset memory entry One method is to display the saved contents for confirmation and then recall CF04 on The other is to recall immediately with out displaying the contents CF04 oFF If you hold down SHIFT the memory key A B or C from which you want to recall the pre NOTE set memory entry the present values in use will be saved to the preset memory entry instead When you recall a preset memory entry the following items are set to their factory default set t
39. 0 C assuming that a wire is stretched out horizontally in air in an ambient temperature of 30 C The current capacity must be reduced under certain conditions such as when vinyl cables that have a low heat resistance are used when the ambient temperature is 30 C or greater or when cables are bundled together and little heat is radiated Nominal cross sectional AWG reference cross Allowable current A Kikusui recommended area mm sectional area mm Ta 30 C current A 2 14 2 08 27 10 35 T2 3 31 37 5 5 10 5 26 49 20 8 8 8 37 61 30 T4 6 13 3 88 50 22 4 21 15 115 80 30 2 33 62 139 38 1 42 41 162 100 50 1 0 53 49 190 60 2 0 67 43 217 80 3 0 85 01 257 200 100 4 0 107 2 298 125 344 150 395 300 200 469 1 Excerpt from Japanese laws related to electrical equipment E Taking measures against noise When connecting wires that have the same heat resistance separating the wires as much as possible to increase heat radiation enables a greater amount of current to flow However wir ing the positive and negative output wires of the load cable side by side or bundling them together is more effective against unwanted noise The Kikusui recommended currents shown in the above table are allowable currents that have been reduced in consideration of the potential bundling of load cables Use these values as a guideline when connecting
40. 00 Vac 10 5A Inrush current MAX 70 Apeak or less 2200 VA Power factor TYP 1 0 99 input voltage 100 V 0 97 input voltage 200 V 0 98 input voltage 100 V 0 96 input voltage 200 V Efficiency MIN 74 or more Hold up time for power inter ruption MIN 3 20 ms or greater 1 With the rated load 2 Excludes the charge current component that flows through the capacitor of the internal EMC filter circuit imme diately after the POWER switch is turned on for approximately 1 ms 3 For all loads with 100 Vac input PWX PWX1500L PWX1500ML PWX1500MH PWX500H PWX Output PWX1500L PWX1500ML PWX1500MH_ PWX1500H Rating Output voltage 1 30 V 80 V 230 V 650 V Output current 1 150A 56 A 20A 7A Output power 1500 W Voltage Setting range 0 V to 31 5 V 0 V to 84 V 0 V to 241 5 V 0 V to 682 5 V Setting accuracy 0 05 of set 0 05 of rtg Line regulation 2 5 mV 10 mV 25 mV 67 mV Load regulation 3 5 mV 10 mV 25 mV 67 mV Transient response 4 1 ms or less 7 ms or less Ripple noise p p 60 mV 80 mV 120 mV 330 mV rms 7 8 mV 8 mV 25 mV 60 mV Rise time Rated load 100 ms No load 100 ms Fall time Rated load 100 ms 150 ms 250 ms No load 800 ms 1500 ms 3000 ms Maximum remote sensing com 1 5 V 4V 5V 5V pensation voltage single line Temperature coefficie
41. 1 5 V 0 Vto 84V 0 V to 241 5 V 0 V to 682 5 V Overheat protection OHP 0 to 105 of the rated output voltage Turns the output off displays OHP and lights ALARM Overheat protection2 OHP2 Turns the output off displays OHP2 and lights ALARM Fan failure protection FAN Turns the output off 2 displays FAN and lights ALARM Incorrect sensing connection pro tection SENSE Turns the output off displays SENS and lights ALARM Low AC input protection AC FAIL Turns the output off 2 displays AC and lights ALARM Shutdown SD Turns the output off displays SD and lights ALARM Power limit POWER LIMIT Lights ALARM Value fixed 787 5 W approx 105 of the rated output power Communication monitoring WATCHDOG Turns the output off displays DOG and lights ALARM 1 This does not protect against the discharge current peak that is generated from the capacitors inside the PWX output section when the load is changed suddenly 2 Use the CONFIG settings to specify what happens when a protection function is activated and the output is turned off You can select to turn the output on automatically when the problem that caused the alarm is fixed CF03 Auto or to leave the output turned off when the problem that caused the alarm is fixed CFO3 SAFE The specified protec tion operation is the same for the OHP FAN and AC FAIL alarms You cannot make separate settings
42. 10 seconds after the fan stops before you turn the POWER switch back on Repeatedly turning the POWER switch on and off at short intervals can cause damage to the inrush current limiter In turn this will shorten the service life of the POWER switch internal input fuse and other components Turning the output on and off Press OUTPUT on unit 1 and unit 2 to turn the output on or off PWX Parallel Series Operation gt 85 86 This page is intentionally blank PWX Maintenance This chapter explains how to perform cali bration 88 Calibration The PWX series is calibrated before shipment To maintain long term performance we rec ommend periodic calibration For calibration contact your Kikusui agent or distributor If you are going to calibrate the PWX series yourself follow the procedures below All of the calibration items of the PWX series are described Calibration overview The following eight calibration items are available Be sure to calibrate both the offset and full scale values Output voltage offset 10 Voltmeter offset 0 Output current offset 10 Ammeter offset 0 Required devices Output voltage full scale 100 Voltmeter full scale 100 Output current full scale 100 Ammeter full scale 100 DC voltmeter DVM with a measurement accuracy of 0 02 or more e Shunt resistor Recommended shunt resistor Model
43. 1500MH PWX1500H Chassis connection wire 1 pe 1 pe J1 connector plug kit 1 set 1 set Packing list 1 pc 1 pc Quick reference English 1 pe English 1 pc Japanese 1 pc Japanese 1 pc Safety information 1 copy 1 copy CD ROM 1 disc 1 disc PWX Product Overview The PWX Series is a constant voltage CV constant current CC automatic crossover power supply that can output a wide range of voltage and current within rated output power It can be controlled remotely through the standard equipped communication feature Power Model Maximum oper Operating voltage ating current 750 W PWX750LF 75A 0V to 30 V model PWX750MLF 28A 0 V to 80 V PWX750MHF 10A 0 V to 230 V PWX750HF 3 5 A 0 V to 650 V 1500 W PWX1500L 150 A 0 V to 30 V mode PWX1500ML 56A 0 V to 80 V PWX1500MH 20 A 0 V to 230 V PWX1500H 7A 0 V to 650 V PWX Features Communication feature RS232C USB and LAN interfaces are all installed as stan dard The remote interfaces comply with IEEE Std 488 2 1992 and SCPI Specification 1999 0 Because the LAN interface complies with the LXI standard the construction of a highly cost effective system is possible If you use the multichan nel VMCB function you can construct a multichannel power supply system in which up to 31 PWXs are controlled from a single PC Master slave parallel operation You can increase the PWX series output current by con necting up to four units in parallel Yo
44. 20 MHz When the measurement frequency bandwidth is 5 Hz to 1 MHz When the breeder circuit on off setting is on When the ambient temperature is within 0 C and 50 C For the PWX750HF in the range of 0 2 to 100 of the rated current When the output voltage is 10 to 100 of the rating At the rated output current PWX PWX750LF PWX750MLF PWX750MHF PWX750HF PWX Display function PWX750LF PWX750MLF PWX750MHF PWX750HF Voltage Maximum display 99 99 fixed decimal point 999 9 fixed decimal point display Display accuracy 0 2 of rdng 5 digits Current Maximum display 99 99 fixed decimal point 9 999 display fixed decimal point Display accuracy 0 5 of rdng 5 digits Power display The PWR DSPL key lights in red Maximum display 9999 Display accuracy Displays the result of multiplying the current and voltage Operation display OUTPUT ON OFF Output on OUTPUT LED lights in green Output off 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 ALM LED lights in red when a protection function has been activated ALM LED blinks in red when the power limit POWER LIMIT has been acti vated Remote operation REMOTE LED lights in green during remote control L
45. 2006 95 EC EN 61010 1 Class I Pollution degree 2 Isolation voltage 250 Vmax 500 Vmax 800 Vmax Isolated Analog Interface 60 Vmax 1 Withstand Between input and FG No abnormalities at 1500 Vac for 1 minute voltage Between input and output No abnormalities at 2000 Vac for 1 minute No abnormalities at 2250 Vdc for 1 minute Between output and FG No abnormalities at 1500 Vdc for No abnormalities No abnormalities 1 minute at 1600 Vdc for at 2000 Vdc for 1 minute 1 minute Between input and Iso No abnormalities at 2650 Vac for 1 minute lated Analog Interface Between output and Iso No abnormalities at 2300 Vdc for No abnormalities No abnormalities lated Analog Interface 1 minute at 2650 Vdc for at 3300 Vdc for 1 minute 1 minute Insulation Between input and FG 500 Vdc 100 MQ or more 70 or less resistance Between input and output 500 Vdc 100 MOQ or more 70 or less 1000 Vdc 100 MQ or more 70 or less Between output and FG 500 Vdc 40 MO or more 70 or less 1000 Vdc 40 MQ or more 70 or less Safety 2 Complies with the requirements of the following directive and standard Electromagnetic compatibility EMC 2 3 Complies with the requirements of the following directive and standards EMC Directive 2004 108 EC EN 61326 1 Class A EN 55011 Class A 5 Group 1 EN 61000 3 2 EN 61000 3 3 Applicable under the following conditions The maximum length of all cabling and wiri
46. 5 V to 5 V or open off when set to LOW 0 V or 0 5 V or shorted CF10 Hi 19 ACOM External signal common for pins 5 to 9 11 to 13 20 to 22 24 and 25 During remote sensing this is the negative electrode S of sensing input When remote sensing is not being performed this is connected to the negative output 20 REF OUT External resistance control terminal 5 25 V CF07 Lo or 10 5 V CF07 Hi The maximum output current 2 5 mA 21 PGM Terminal used to control the output current with an external voltage or external resistance 0 V to 5 V 0 to 100 of the rated output current CF07 Lo 0 V to 10 V 0 to 100 of the rated output current CF07 Hi 22 VPGM Terminal used to control the output voltage with an external voltage or external resistance 0Vto5V 0 to 100 of the rated output voltage CF07 Lo 0 V to 10 V 0 to 100 of the rated output voltage CF07 Hi 23 ACOM External signal common for pins 5 to 9 11 to 13 20 to 22 24 and 25 During remote sensing this is the negative electrode S of sensing input When remote sensing is not being performed this is connected to the negative output 24 MON Output current monitor 0 to 100 of the rated output current is generated as a voltage between 0 V and 5 V CF08 Lo or a voltage between 0 V and 10 V CF08 Hi 25 VMON Output voltage monitor 0 to 100 of the rated output voltage is generated as a voltage between 0 V and 5 V CF08 Lo ora voltage between 0 V a
47. 500MH PWX1500H a EE genau Attach the cable to the outer side of the crimping terminal You can also use the center hole depending on the load cables used Attaching the OUTPUT terminal cover You can adjust the diameter of the holes that the load cables pass through by changing the positions in which the top and bottom halves of the OUTPUT terminal cover are put together There are two available positions Use the appropriate position for the load cables that you are using e For cables that are up to 10 mm in diameter Put the top and bottom halves of the OUTPUT terminal cover together so that the hole diameter is small e For cables that are between 10 mm and 18 mm in diameter Put the top and bottom halves of the OUTPUT terminal cover together so that the hole diameter is large 1 Remove the screw that is attached next to the output terminals on the PWX Use this screw to attach the OUTPUT terminal cover Installation and Preparation 21 22 Connecting to the Output Terminals 2 Jr Memo The top and bottom halves of the OUTPUT terminal cover have different shapes 2 Place the bottom half of the OUTPUT terminal cover underneath the load cables connected to the output terminals Remove the screws and then line up the half of the cover ast af anne ganar 3 Align the tabs of the top half of the OUTPUT terminal cover with those of the bottom half Align the tabs of the OUTPUT
48. 6 SHUT DOWN Output shutdown control terminal The output is turned off when a LOW 0 V to 0 5 V or short circuit is 5 applied to this terminal oO PRL IN Negative input terminal for master slave parallel operation T 8 PRL IN Positive input terminal for master slave parallel operation 5 9 PRL COMP IN Correction signal input terminal for master slave parallel operation 10 ACOM External signal common for pins 5 to 9 11 to 13 20 to 22 24 and 25 Lu During remote sensing this is the negative electrode S of sensing input When remote sensing is not being performed this is connected to the negative output 11 PRL OUT Positive electrode output terminal for master slave parallel operation 12 PRL COMP OUT Correction signal output terminal for master slave parallel operation 13 ISUM Current signal terminal for master slave parallel operation 14 ALM STATUS On when a protection function OVP OVP2 OCP OHP OHP2 FAN SEN or AC_FAIL has been acti vated or when an output shutdown signal is being applied output through an open collector photocou pler 15 PWRON STATUS Outputs a low level 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 17 N C Not connected 18 OUT ON OFF Output on off terminal CONT On when set to LOW 0 V to 0 5 V or shorted off when set to HIGH 4 5 V or 5 V or open CF10 Lo On when set to HIGH 4
49. AN operation LAN LED lights or blinks depending on the LAN communication status No fault status Lights in green Fault status Lights in red Standby status Lights in orange WEB identify status Blinks green Key lock operation LOCK LED lights in green when the keys are locked Preset memory When a preset memory entry is being used the PRESET A B or C LED lights in green 1 Press PWR DSPL to display the power on the ammeter Each time you press this key the display switches between power and current Specifications gt 95 96 PWX750LF PWX750MLF PWX750MHF PWX750HF Protection functions PWX750LF PWX750MLF PWX750MHF PWX750HF Overvoltage protection OVP Turns the output off displays OVP and lights ALARM Setting range 3 V to 33 6 V 8 V to 89 6 V 23 V to 257 6 V 65 V to 728 0 V 10 to 112 of the rated output voltage Setting accuracy 1 5 of rtg Overvoltage protection 2 OVP2 Turns the output off displays OVP2 and lights ALARM Value fixed 36 V 96 V 276 V 780 V 120 of the rated output voltage Overcurrent protection OCP Turns the output off displays OCP and lights ALARM Setting range 7 5 A to 84 A 2 8 A to 31 36 A 1 Ato 11 2 A 0 35 A to 3 92 A 10 to 112 of the rated output current Setting accuracy 3 of rtg Undervoltage limit UVL Cannot be set to a value less than or equal to the set voltage Setting range 0 V to 3
50. AUTO IP can be used MAC addresses are set to 00 0F CE xx xx xx where x is a hexadecimal number between 0 and F For information about the Web browser interface see the included CD ROM Parameter number Display Description CF39 00 0F Displays the first and second MAC address numbers CF40 CE xx Displays the third and fourth MAC address numbers CF41 XX XX Displays the fifth and sixth MAX address numbers Display example of the MAC address 00 0F CE 11 22 33 crs9 000F FTFISISWOIG lee Cr4O CE 1 PIETSIGRC IE cra1 2233 PIFTGIN Ie ae CF42 SCPI RAW protocol TCP port number setting Set the TCP port number of the SCPI RAW protocol for when the LAN interface is in use This parameter is applied when you turn the POWER 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 Value Parameter description 1000 to 9999 except 4880 TCP port number factory default setting 5025 CF50 Vendor ID VID display Displays the USB vendor ID Display Description Ob3E 0x0B3E CF51 Product ID display Displays the USB product ID Display Description 1025 0x1025 CF60 RS232C baud rate setting Sets the RS232C baud rate This parameter is applied when you restart the PWX series Value Parameter description 1 2 1200 bps 2 4 2400 bps 4 8 4800 bps 9 6 9600
51. By Day TASS B c LocK Lit When you recall a preset memory entry the values stored in the preset memory entry are dis played on the panel 28 PWX Panel Operations E Overvoltage protection and overcurrent protection setting display Press OCP OVP to light its LED and display the present overcurrent protection and overvolt age protection settings SUPPLY DI CURRENT VOLTAGE _ Of w OCK REMOTE LAI OUTPUT SET aS sith A PWROSPL LOCAL PETS FINE Cor es A FINE AMcut f AA iM CLOCK Lit E System configuration setting display Press CONFIG to light its LED and display the present system configuration settings DC Pi SUPPLY CURRENT cn iS FN PE OUTPUT SET OCP ON CONES NRDSPL LOCAL Fly FINE ir e o C FINE ame A ILEANA a Q Lit Panel Operations Memo When you set a value it is convenient to first use normal resolution to set the value roughly and then switch to fine resolution to set it precisely PWX Measured value display setting display and set OVP OCP display Turn the VOLTAGE knob to change the voltage Turn the CURRENT knob to change the cur rent na oes JER SUPPLY Eat u v f 1 1 H ee Ar 5 ial Lt ant 3 wen dedi A 2 c 4 Bb OUTPUT SET OCP OVP CONFIG PWROSPL LOCAL aa 4 FINE ee E a Ge 1 FINE Decrease Increase 50O S toon nDScrecse Increase Press SET to switch to the setting display and then change the out
52. Compared to independent operation the current fluctuates tion performance degrades slightly during master slave parallel operation Are the remote sensing cables and the When you are not using remote sensing p 23 sensing connectors connected connect the sensing connectors in local sensing mode Are both the CV and CC LEDs turned on If the output is oscillating when you are p 23 using remote sensing insert a capacitor across the load The circuit may be malfunctioning Imme diately stop using the PWX series and have it repaired Do the sensing cables or load cables have Turn the POWER switch off and check p 12 poor contact or are the cables broken the wiring Does the load current have peaks or is it The peak values may be exceeding the p 35 pulse shaped set constant current Increase the set con stant current or increase the current capacity The output voltage is offset Has 30 minutes passed since the power Warm up the PWX series for at least 30 from the voltage that the PWX was turned on minutes series was generating when it was turned on Is the breeder circuit on off Is the breeder circuit on off setting setto If the breeder circuit on off setting is setto p 47 setting set to oFF OFF oFF the voltage that was present when the output was on will remain Set the breeder circuit on off setting to on PWX 119 Troubleshooting The output ripple is large Sy
53. DC POWER SUPPLY LXI Master unit cv CURRENT VOLTAGE i gt OM f Loci LAN J K REMOTE SET acron OVP CONFIG Parr Loe a m Eat is ta A 32 tal CK REGULATED DC POWER SUPPLY Slave unit CIGIGESILIA i ta Example of the panel display a ceca ON during parallel operation OUTPUT SET OCP OVP CONFIG PWRDSPL LOCAL SHIFT Ca An O a Ea ra fA Ne The output current is 56 A External control This is only available on the master unit PWX Master Slave Parallel Operation Z CAUTION p 73 p 23 p 37 PWX External monitoring During master slave parallel operation do not connect the monitor common cable of the master unit to the monitor common cables of the slave units If the cables connected to the load are disconnected the common cables will be damaged External monitoring of the output voltage V MON This can be monitored from the master unit External monitoring of the output current MON You can monitor the output current of the master unit and each slave unit Use the master unit to monitor the total output current Status monitors You can monitor the status of the following items from the master unit and from each slave unit constant voltage mode CV STATUS constant current mode CC STATUS output on POWER switch on and alarms However slave units always output the status of con stant current mode Remote sensing This is only available on the master unit Ala
54. ESET A B or C lights If no load is connected it will take time for the output voltage to decrease PWX Locking Panel Operations Key lock The PWX series key lock function prevents you from accidentally changing the settings REGULATED DC POWER SUPPLY i PA VOLTAGE omi cK fz LAN OUTPUT SET oarov OVP ore PNA a en S Wei inc E ma e Lo hra wW When the keys are locked when the LOCK LED is lit only the OUTPUT key is valid 1 Configure all the settings such as the output voltage and output cur rent as necessary 2 Hold down LOCK SHIFT LOCAL until the LOCK LED in the display area lights When the LOCK LED lights the keys are locked To unlock the keys hold down LOCK again SHIFT LOCAL until the LOCK LED turns off Bleeder On Off Feature PWX PAN WARNING You can turn the bleeder circuit on and off Turn the bleeder circuit off when you do not want the internal bleeder circuit to sink output current When you connect a battery you can pre vent excessive electrical discharges by turning the bleeder circuit off When using master slave parallel operation or series operation use the same settings on all connected units Depending on whether the breeder circuit 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 Risk of electric shock Set the blee
55. I a Cable AWG 28 to AWG16 L Tarsa Length of covering removed 7 mm Isolated programming monitoring connector from the end of the cable Screw tightening torque 0 22 Nem to 0 25 Nem Pin om Isolated analog interface Signal name Description no Voltage control Current control OVto5V 1 VPGM_IS Output voltage control 2 p g or 0V to 10V 4 mA to 20 mA 2 VPGM_RTN_IS Return for pin 1 OVto5V 3 IPGM_IS Output current control 2 a p oro Vto 10V 4 mA to 20 mA 4 IPGM_RTN_IS Return for pin 3 5 VMON_IS Output voltage monitor TOR 4 mA to 20 mA utpu i E p g or 0 V to 10 V MA to 20 m OVto5V 6 IMON_IS Output current monitor 2 p or O V to 10 V 4 mA to 20 mA Turns the output off with a low signal 4 Use pins 7 and 9 of the connector The open circuit voltage 7 SHUTDOWN_IS Output shutdown control across pins 7 and 9 is approximately 5 V The short circuit cur rent is approximately 10 mA Use external contacts that have a contact rating greater than or equal to 10 mA at 5 Vdc Select the logic that is used when an external contact the J1 connector is being used to turn output on and off CF 10 Turns the output on with a low or high signal 4 8 OUTPUT_ON OFF_IS Output on off control Use pins 8 and 9 of the connector The open circuit voltage across pins 8 and 9 is approximately 5 V The short circuit cur rent is approximately 10 mA Use external contacts that have a contact rating greater than or equa
56. L ecssc sects oedioetiecieinnidsaisieen device eee 46 CC MOUS spressa apan r aser EN aaar ER 33 command language ssessseesssserisssireerrnnerirnerrnsrinnerenne 49 constant current Mode s ssssssssessrnnesrrrnnnnenrrrnnnerrrnne 33 constant current power SUPDIY ssessesssessreerrnesrreerne 33 constant voltage mode sesssessssssessrreerrrnerrnsrnnerenne 33 current monitoring range s ssssssssseesrieerrreerrnsrrrnerenne 47 current setting limit oo ee eee eect eeeeneeeteneeeeeeneeee 48 COV CONTO neaei eeaeee ea eana aaa ieaiaia 46 CV MOJE 2iicai nel ae ded 33 CV CC control range occ eeeeeeeeereeeteeteeeeeteeeseeeeaees 47 D DHOP sisisdeeecien een dat eke aide 50 DIMENSIONS 00 0 2 ce eeeeeeeeeeeeeteeeeeeeeeteeeeeeseesaeees 101 110 E emulation during remote control ceeseeeeeeeee 49 F factory default settings eee eeeeeeeeeeteneeeeeeeeeee 58 BAN E SRR ne ed eels pe ide 40 firmware version ooo eeeeeeeeeneeceeeeeneeeeeeeeeesteeeeeetensteeeeeess 2 l InitialiZANON saena ii ATE 58 IP address display 0 eeeeeeeeeeseeeeeeeneeeseneeeeeeneeeee 51 IPaddress aulo sisie2c2cindisiesseice sbeiceeddoiehtiedenaeedss 51 IP address manual cccccccecececceeeseeeeceeeeeeeeeeeaes 51 Isolation voltage 0 eee eeeeeeeeneeeteteeeteeeeteenees 100 109 K key lock function oo eee eeeteeeeeeeeeeeneeereneeeeteeeeeenee 55 PWX L LAN interface ESENG eceisscecesicticevee nell eisecstiesecctinser oe lie 51 VESTAN ss c
57. L setting Ke 3 While viewing the panel display turn the VOLTAGE knob to set the UVL trip point UVL setting range 0 to 105 of the rated output voltage LF L type MLF ML type MHF MH type HF H type UVL setting 0V to 31 5 V 0Vto 84V 0V to 241 5 V 0 V to 682 5 V 4 Press OCP OVP to finalize the setting Overheat protection OHP Overheat protection2 OHP2 This protection function is activated when the PWxX series internal temperature rises to an abnormal level When the PWX series is used in an environment outside its operating ambient tempera ture range 0 C to 50 C 32 F to 122 F e When the PWX series is used with its air inlet and exhaust port blocked e When the fan motor has stopped cf pa P 2 J Alarm indication when i D w ee OHP2 has been activated Lit If OHP2 is activated turn the POWER switch off and on If you do not fix the problem that caused the OHP or OHP2 to be activated OHP or OHP2 will be activated again even if you restart the PWX series Fan failure protection FAN This function is activated when the number of fan rotations drops to an abnormal level CURRENT VOLTAGE p A la LAN a Alarm indication when fan failure pro Efi ENIK R p i S 4 tection has been activated 40 PWX Protection Functions and Alarms PWX Incorrect sensing connection protection SENSE This function is activated when the remote sensing cab
58. LF 280 seconds PWX1500ML 460 seconds PWX750MHF 110 seconds PWX1500MH 130 seconds PWX750HF 70 seconds PWX1500H 100 seconds PWX e Switching from Remote Mode to Local Mode When the PWX series is being controlled remotely the REMOTE LED in the display area lights To switch the PWX series to local mode from the front panel press LOCAL PWX Basic Functions N 57 58 Factory Default Settings Initialization If you hold down SHIFT LOCAL while you turn the POWER switch on the PWX series will be reset to the factory default settings The factory default settings are shown below E Basic settings Basic item Parameter description Outputvoltage OV Outputcurrent 105 of the rated output current OVP overvoltage protection 112 of the rated output voltage OCP overcurrent protection 112 of the rated output current UVL undervoltage limit OV E CONFIG settings eels gt CONFIG parameter Parameter description CF01 Master slave parallel operation parameter 1 independent operation CFo2 Power on status parameter SAFE panel settings that were in use the last time the power was turned off CF03 Method for clearing OHP FAN and AC FAIL alarms SAFE do not clear the alarm automatically CFo4 Memory content display parameter ON displayed CFo5 CC control using an Vext or Rext OFF CFo6 CV control usi
59. N interface settings will be reset to their factory default settings CF34 Restarts the LAN interface REBOOT Restarts the LAN interface The LAN interface settings that you have specified do not change Value Parameter description boot The LAN interface settings are saved and the interface is restarted 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 addresses are just displayed they cannot be set from the panel To set a fixed IP address access the PWX series through a Web browser When you access the PWX series through a Web browser do so under conditions in which a DHCP server or AUTO IP can be used For information about the Web browser interface see the included CD ROM Parameter Display Description number CF35 0 to 255 Displays the first IP address number CF36 0 to 255 Displays the second IP address number CF37 0 to 255 Displays the third IP address number CF38 0 to 255 Displays the fourth IP address number PWX Basic Functions N 51 CONFIG Settings CF39 to CF41 MAC address display These parameters display the set MAC addresses The MAC addresses are just displayed they cannot be set from the panel To set a fixed MAC address access the PWX series through a Web browser When you access the PWX series through a Web browser do so under conditions in which a DHCP server or
60. ON STATUS tt 2 Turns on when the output is on outpu CV STATUS Turns on during CV operation CC STATUS Turns on during CC operation ALM STATUS Turns on when an alarm has been activated PWR ON STATUS Turns on when the power is turned on 1 J1 connector on the rear panel 2 Photocoupler open collector output maximum voltage 30 V maximum current sink 8 mA isolated from the output and control circuits status commons are floating withstand voltage of less than or equal to 60 V and status signals are not mutually isolated Specifications gt 105 PWX1500L PWX1500ML PWX1500MH PWX500H Control features Common External Output voltage control VPGM control 0 to 100 of the rated output voltage Selectable control voltage range 0 V to 5 V or 0 V to 10 V Accuracy 5 of rtg Output current control IPGM 0 to 100 of the rated output current Selectable control voltage range 0 V to 5 V or 0 V to 10 V Accuracy 5 of rtg Output on off control OUTPUT ON OFF CONT Possible logic selections Turn the output on using a LOW 0 V to 0 5 V or short circuit turn the output off using a HIGH 4 5 V to 5 V or open circuit 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 0 5 V or short circuit
61. PWX1500ML PWX1500MH PWX500H Display function PWX1500L PWX1500ML PWX1500MH PWX1500H Voltage Maximum display 99 99 fixed decimal point 999 9 fixed decimal point display Display accuracy 0 2 of rdng 5 digits Current Maximum display 999 9 fixed 99 99 fixed decimal point 9 999 fixed display decimal point decimal point Display accuracy 0 5 of rdng 5 digits Power display The PWR DSPL key lights in red Maximum display Display accuracy 9999 Displays the result of multiplying the current and voltage Operation display OUTPUT ON OFF Output on OUTPUT LED lights in green Output off OUTPUT LED turns off The output is on and a protection function has been activated OUTPUT LED blinks in orange CV operation CC operation CV LED lights in green CC LED lights in red Alarm operation Remote operation ALM LED lights in red when a protection function has been activated ALM LED blinks in red when the power limit POWER LIMIT has been acti vated REMOTE LED lights in green during remote control LAN operation LAN LED lights or blinks depending on the LAN communication status No fault status Lights in green Fault status Lights in red Standby status Lights in orange WEB identify status Blinks green Key lock operation LOCK LED lights in green when the keys are locked Preset memory When a preset memory
62. The open circuit voltage across pins 5 twisted pair wire PWX and 19 is approximately 5 V The short cir cuit current across pins 5 and 19 is approximately 0 5 mA Use external contacts that have a contact S rating greater than or equal to 0 5 mA at 5 Vdc If two or more units are floating and you are using a single external contact to clear alarms use a relay or similar device for the external contact signal to isolate the signal transmitted to each unit E For long distance wiring When you are wiring over a great distance use a small relay and extend the coil side of the relay Extend this line Relay PWX ee External Monitoring External monitoring of the output voltage and output current PWX series The J1 connector has monitor outputs for the output voltage and the output current Pin no Signal name Description 10 19 23 ACOM Remote control input common Output monitor common 25 V MON Monitor output of output voltage 0 to approx 5 V CF08 Lo or 0 to approx 10 V CF08 Hi for 0 to the rated output voltage 24 MON Monitor output of output current 0 to approx 5 V CF08 Lo or 0 to approx 10 V CF08 Hi for 0 to the rated output current CAUTION Shorting V MON and I MON to A COM may damage the PWX series Monitor output rating Output impedance 1 kQ or less Maximum output current Approximately 10 mA The monitor output signals are used to monitor the DC voltage mean value They
63. V PWX750MLF OVto84V PWX1500ML OV to 84V PWX750MHF OV to 241 5 V PWX1500MH OV to 241 5 V PWX750HF 0 V to 682 5 V PWX1500H 0 V to 682 5 V 6 Turn the CURRENT knob to set the current Current range 0 to 105 of the rated output current PWX750LF 0 A to 78 75 A PWX1500L 0 A to 157 5 A PWX750MLF OA to 29 4A PWX1500ML O A to 58 8 A PWX750MHF OAto10 5A PWX1500MH OAto21A PWX750HF 0A to 3 675A PWX1500H 0 A to 7 35 A 7 Press OUTPUT to turn output on The SET LED turns off and the OUTPUT LED in the display area lights The voltage and 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 current power supply the CC LED lights Even when the output is on you can set the voltage and current by carrying out step 5 and step 6 while checking the actual output voltage or current You can set the voltage that is actually output while checking the power You can use the CONFIG settings to set the output on startup state CF12 prioritize CC or CV Set this according to the operation mode that you are using You can prevent overshoot from occurring when the output is turned on by prioritizing CV when using the PWX series as a constant voltage power supply and by prioritizing CC when using the PWX series as a con stant current power supply When used as a slave device CC is automaticall
64. Vdc for 1 minute 1 minute Between input and Iso No abnormalities at 2650 Vac for 1 minute lated Analog Interface Between output and Iso No abnormalities at 2300 Vdc for No abnormalities No abnormalities lated Analog Interface 1 minute at 2650 Vdc for at 3300 Vdc for 1 minute 1 minute Insulation Between input and FG 500 Vdc 100 MQ or more 70 or less resistance Between input and output 500 Vdc 100 MQ or more 70 or less 1000 Vdc 100 MOQ or more 70 or less Between output and FG 500 Vdc 40 MO or more 70 or less 1000 Vdc 40 MO or more 70 or less Safety Complies with the requirements of the following directive and standard Low Voltage Directive 2006 95 EC EN 61010 1 Class 4 Pollution degree 2 Electromagnetic compatibility EMC 2 3 Complies with the requirements of the following directive and standards EMC Directive 2004 108 EC EN 61326 1 Class A EN 55011 Class A 5 Group 1 EN 61000 3 2 EN 61000 3 3 Applicable under the following conditions The maximum length of all cabling and wiring connected to the PWX750ML must be less than 3 m Specifications gt PWX1500L PWX1500ML PWX1500MH PWX500H PWX1500L PWX1500ML PWX1500MH PWX1500H Accesso OUTPUT terminal cover 1 pc ries INPUT terminal cover set 1 set Power cord Output terminal bolt set M8 bolts 2 sets Bolt nut spring M5 bolts 2 sets Bolt nut sprin
65. a con stant current power supply CC mode How do operate the PWX series at a Preset Memory Function specific current How do save current values to the preset memory How do control the output voltage with Overview an external DC voltage How do monitor the output voltage and gt External Monitoring output current How do use parallel operation to Master Slave Parallel Operation increase the current capacity How do prevent the settings from being gt Locking Panel Operations Key lock changed How do clean the PWX series See the included Safety Precautions document or the electronic version of the document on the CD ROM How do calibrate the PWX series Calibration Component Names Front Panel Rack mount bracket KIKUSUI Display area 12 13 14 15 a Eim mam a Sra y LOCK REMOTE LAN AL 16 17 18 19 20 21 PWX1500ML 0 80V 56A 1500W No Name 5 678 9 1011 Function Flip the switch to the side to turn the power on Flip it to the side to turn the power 1 POWER switch off p 15 3 CURRENT knob Used to set the current value or select a parameter number in the CONFIG settings p 29 p 42 FINE Used to make fine current value adjustments p 29 3 VOLTAGE knob Used to set the volta
66. a value lower than the OCP trip point Press OUTPUT to turn output on The OUTPUT LED lights O ahWwhDh Slowly turn the CURRENT knob clockwise When the output current exceeds the OCP trip point the front panel display area s ALARM LED lights and the OUTPUT LED blinks to indicate that the OCP function has been activated REGULATED DC POWER SUPPLY CURRENT ov v LOCK REMOTE LAN ff Blinking in orange Lit VOLTAGE Display of the OCP activation alarm 7 Check that output has turned off If you do not change the output settings the OVP or OCP function will be activated again Basic Functions N Protection Functions and Alarms Undervoltage limit UVL This protection function is activated when you attempt to set the output voltage to a value that is lower than the set undervoltage limit the UVL trip point In other words it prevents you from setting the output voltage to a value lower than the set limit This function does not turn the output off You can use the CONFIG settings to limit the set UVL CF15 E Setting the UVL trip point 1 Press OCP OVP The OCPeOVP key lights and the OVP trip point and OCP trip point are displayed in the display area 2 Press OCP OVP again The present UVL trip point is displayed SUPPLY CURRENT E p Z LOGI K RevoTE LAN Display example of the OUTPUT SET ory OVP CONFIG Pya nsp LOCAL j m a eRe UV
67. ach model Specifications on page 91 When using shielded cables for the connection protect the uncovered sections of the shielded cable by using insulation tubes whose withstand voltage is greater than the PWX series isolation voltage To reduce the influence of noise on the output connect a 2 core shielded wire or a twisted pair wire across the external contact and keep the wire as short as possible If the wiring is long it becomes easy for noise to influence the operation of the PWX series Even if you use wires that are designed to suppress noise the PWX series may not operate properly If you use a shielded cable connect the shield to the negative output terminal If you apply a LOW 0 V to 0 5 V or short circuit to pin 6 of the J1 connector the output turns off To recover set pin 6 of the J1 connector to HIGH 4 5 V to 5 V or open the pin and then turn the POWER switch off and then on Output shutdown connection Use pins 6 and 19 of the J1 connector o eare shielded wite or The open circuit voltage across pins 6 twisted pair wire and 19 is approximately 5 V The short cir cuit current across pins 6 and 19 is approximately 0 5 mA Use external contacts that have a contact S rating greater than or equal to 0 5 mA at 5 Vdc PWX If two or more units are floating and you are using a single external contact to turn output off for all the units use a relay or similar device for the external contact sign
68. acity that is greater than or equal to the maximum output voltage of the PWX series with respect to the chassis There is no need to provide insulation that is greater than or equal to the isolation voltage of the PWX series The same holds true when the negative terminal 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 PWX series For safety reasons connect one of the output terminals to the chassis terminal unless your application requires the output terminals to be floating PWX Isolated Because the positive output terminal is at ground potential the section shown on a gray background must have an insulation capacity greater than or equal to the maximum output voltage relative to the chassis Isolated Approximately the same potential as the negative output terminal Approximately the same potential as the negative output terminal Chassis terminal External Control Q 63 64 Output Terminal Insulation Cautions when using the external voltage Vext Connect the cables so that output is not shorted See the following figures for examples of shorted output The signal cable may burn out Do not ground the Vext output that is leave it floating e If you are connecting the shield to the Vext side do not connect the shield to the output ter minal of the PWX series Vext 2 core shielded wi
69. ained and the set OCP will be changed to 105 of the current value The parameter will also be changed if the output is on This is set to on when the panel settings are reset CF00 and when a preset memory entry is recalled You c an only specify this parameter when the PWX series is being used as a master unit Value Parameter description OFF The setting is not limited on The setting is limited factory default setting CF15 Voltage setting limit p 37 Set whether to limit the set output voltage so that its value does not exceed the set overvolt age protection approximately 95 of the OVP trip point and is not lower than the set under voltage limit When the voltage setting limit is set to oFF if you set the voltage setting limit to on when the set OVP is lower than the set voltage the voltage value will be maintained and the set OVP will be changed to 105 of the voltage value In addition the set UVL will be changed to match the voltage value The parameter will also be changed if the output is on This is set to on when the panel settings are reset CF00 and when a preset memory entry is recalled You can only specify this parameter when the PWX series is being used as a master unit Value Parameter description OFF The setting is not limited on The setting is limited factory default setting PWX CONFIG Settings Memo When multiple units are used side by side
70. aks Pulse shaped load current Loads that generate reverse current to the power supply The PWX series cannot absorb reverse current from the load Therefore if a regenerative load such as an inverter converter or transformer is connected the output voltage increases and becomes unstable This can cause a malfunction For these types of loads connect a resistor RD as shown in the following figure to bypass the reverse current However the amount of current to the load decreases by Irp Pima om g lo ana 7 A H l i D l Q a A A Eo Ro Load i Ad a Sos EA Equivalent circuit of the PWX750ML Regenerative load lo i EO in V E A Ro in Q s g Irp in A 3 5 0 P Ro Reverse current bypass dummy load 2 Eo Output voltage io Reverse current Irp Maximum reverse current Use a resistor with sufficient rated power for RD If a resistor with insufficient rated power for the circuit is used resistor RD will burn out Installation and Preparation 17 Load Considerations Loads with accumulated energy Connecting a load with accumulated energy such as a battery to the PWX series may cause current to flow from the load to the internal circuit of the PWX series This current may dam age the PWX series or reduce the life of the load For this type of load connect a reverse current prevention diode DRP between the PWX series an
71. al to isolate the sig nal transmitted to each unit E For long distance wiring When you are wiring over a great distance use a small relay and extend the coil side of the relay Extend this line Relay External Control Q 71 72 Ge Controlling the Clearing of Alarms WARNING This section explains how to use an external contact to clear alarms Risk of electric shock The insulation of the external contact S and the connected cable must be greater than or equal to the isolation voltage of the PWX series For the isolation voltage of each model Specifications on page 91 e When using shielded cables for the connection protect the uncovered sections of the shielded cable by using insulation tubes whose withstand voltage is greater than the PWX series isolation voltage To reduce the influence of noise on the output connect a 2 core shielded wire or a twisted pair wire across the external contact and keep the wire as short as possible If the wiring is long it becomes easy for noise to influence the operation of the PWX series Even if you use wires that are designed to suppress noise the PWX series may not operate properly If you use a shielded cable connect the shield to the negative output terminal If you apply a LOW 0 V to 0 5 V or short circuit to pin 5 of the J1 connector the alarms will be cleared Alarm clear connection Use pins 5 and 19 of the J1 connector Aere shielded wire ai
72. als as it is through an open collector photocou pler J1 connector ALM STATUS 16 Maximum voltage 30 V Maximum current 8 mA STATUS COM 3 Protection function activation PWX Setting limitation functions You can use the CONFIG settings to apply limits to the voltage and current settings You can set limitations so that the values do not exceed the set overvoltage protection OVP trip point and the set overcurrent protection OCP trip point and so that the values are not lower than the set undervoltage limit UVL trip point By using this feature you can avoid turning the output off by mistakenly setting the voltage or current to a value that exceeds the set OVP or OCP or to a value that is lower than the set UVL If you have selected to limit the voltage setting CF15 ON you will no longer be able to set the output voltage to a value that is 95 of the OVP trip point or higher or to a value that is lower than the UVL trip point In addition you will no longer be able to set the OVP trip point to a value that is lower than the set output voltage or the UVL trip point to a value that exceeds the set output voltage If you have selected to limit the current setting CF 14 ON you will no longer be able to set the output current to a value that is 95 of the OCP trip point or higher In addition you will no longer be able to set the OCP trip point to a value that is lower than the set output current Basic F
73. ample the negative terminal of unit 2 is connected to the chassis terminal Chassis termina Unit 2 1 Turn off all the PWX series that you want to connect in series Remove the OUTPUT terminal covers Use load cables to connect unit 1 and unit 2 to the load or relay terminal block Use load cables that have sufficient current capacity Wire the load cables so that they are as short as possible If the voltage drop in the load cable is large the difference in electric potential between power supply units and the load effect become large Go N Connect the cables to the output terminals of unit 1 and unit 2 Connect the output terminal positive or negative of unit 1 or unit 2 to the chassis terminal ai gt 6 Attach the OUTPUT terminal cover 84 PWX Series Operation Settings series operation Setting the voltage and current Set the voltage and current on each unit The voltage that is output is the total of the voltages of the two units Set the current to the same value on the two units Setting the overvoltage protection OVP and overcurrent protec tion OCP In series operation you have to set the overvoltage protection OVP and overcurrent 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 CAUTION After you turn the POWER switch off wait at least
74. an 6 Q RL lt Rc the power supply operates in CC mode When you want to increase the current in CC mode you can increase the current up to the current defined by the following equation Is Vs RL Substituting the values we obtain Is 30V 5Q 6 A If you try to increase the current above this point the crossover point is reached and the power supply automatically switches to CV mode To maintain operations in CC mode increase the voltage limit PWX Using the PWX series as a CV or CC Power Supply p 20 p 28 p 48 PWX When using the PWX series as a constant voltage power supply the set current is the limit to the current that can flow through the load When using the PWX series as a constant current power supply the set voltage is the limit to the voltage that can be applied to the load If the specified limit is reached the PWX series automatically switches its operation mode When the PWX series switches its operation mode the lit LED in the display area CV LED or CC LED changes to indicate the switch Turn the POWER switch off Connect the load to the output terminals Turn the POWER switch on If the OUTPUT LED in the display area is lit press OUTPUT to turn the output off Press SET to change to the setting display The SET key lights Turn the VOLTAGE knob to set the voltage a A ONaea Voltage range 0 to 105 of the rated output voltage PWX750LF 0V to 31 5 V PWX1500L 0 V to 31 5
75. an select to turn the output on automatically when the problem that caused the alarm is fixed CF03 Auto or to leave the output turned off when the problem is fixed CF03 SAFE E Clearing alarms 37 p 85 To clear alarms 1 press ALM CLR SHIFT SET 2 set pin 5 of the J1 connector to LOW een Pet x Ps 0 V to 0 5 V or shorted or 3 turn off unit 1 and unit 2 fix the problem that caused the alarm and then turn on unit 1 and unit 2 PWX Parallel Series Operation gt 83 Series Operation Connection series operation You can connect up to two units Connecting the load series operation Connect the load as shown below 7 WARNING Risk of electric shock Turn the POWER switch off before you touch the OUTPUT ter minals Attach the OUTPUT terminal cover after you finish wiring the load When the load cables are distributed over longer distance the phase shifting due to wiring inductance and capacitance may go beyond the limit and result in oscillation To prevent such oscillation connect an electrolytic capacitor with several hundreds to several tens of thousands uF across the load Use an electrolytic capacitor with a withstand voltage that is 120 or more of the total of the rated output voltages of the PWX series that are connected in series Z CAUTION Output termina Chassis termina Unit 1 Load or relay terminal block Output termina Load connection in series operation In this ex
76. ange of 0 V to 10 V CF07 Hi External voltage Vext 0 V to 5 V CF07 Lo External voltage Vext 0 V to 10 V CF07 Hi lo Irtg x Vext 5 in A lo Irtg x Vext 10 in A Vext 5 x lo Irtg in A Vext 10 x lo Irtg in A External resistance Rext connection For Rext use a resistor that is rated at ous eeiaeanaieel approximately 10 kQ 1 2 W or greater Wiper twisted pair wire PWX that has a low temperature coefficient and that will change little over time Examples of such resistors are metal film or wire wound resistors To reduce the influence of noise on the output connect a 2 core shielded wire or a twisted pair wire across Rext and keep the wire as short as possi ble If the wiring is long it becomes easy for noise to influence the opera tion of the PWX series Even if you use wires that are designed to suppress noise the PWX series may not operate properly If you use a shielded cable connect the shield to the negative output terminal Use pins 20 21 and 23 of the J1 connector PWX Controlling the Output On and Off States This section explains how to use an external contact to control the output on and off states Risk of electric shock The insulation of the external contact S and the connected cable must be greater than or equal to the isolation voltage of the PWX series For the isolation voltage of each model Specifications on page 91 When using shielded cables for th
77. annel function set this to O this is the factory default 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 function see the Communication Interface Manual on the included CD ROM Value Parameter description 0 The multichannel function is not used factory default setting 1to 255 The domain number when the multichannel function is used CF25 Multichannel VMCB channel number Set the multichannel channel number Specify a unique number on the network If you do not want to use the multichannel function set this to O this is the factory default 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 function see the Communication Interface Manual on the included CD ROM Value Parameter description 0 The PWX is used as a master unit on the multichannel network factory default setting 1 to 30 The PWX is used as a slave unit with this channel number on the multichannel network CF30 DHCP parameter Selects whether or not to obtain an IP address from a DHCP server If you are using a fixed IP address set this to oFF This parameter is applied when you turn the POWER switch off and on or when you execute
78. are long the wiring inductance and capacitance can cause phase shifting at a level that can 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 component You can reduce the inductance component by twisting the load cables which stabilizes the voltage However if this does not rectify the problem connect an electrolytic capacitor across the load Electrolytic capacitor to use Capacity 0 1 uF to a few hundred uF Withstand voltage At least 120 of the rated output voltage of the PWX series LF L type MLF ML type MHF MH type HF H type 36 V or more 96 V or more 276 V or more 780 V or more E If you are inserting a mechanical switch between the PWX series and the load If you want to connect and disconnect the load using a mechanical switch that is inserted between the PWX series and the load be sure to include switches in the sensing cables as shown in the following figure and turn on and off the load cable and the sensing cables simul taneously Before you turn the mechanical switch on or off be sure to turn the output or the POWER switch off Installation and Preparation 25 26 This page is intentionally blank PWX 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
79. as been activated the ALARM LED blinks An alarm signal is not transmitted 750 W 1500 W POWER LIMIT 787 5 W 1575 0 W Communication monitoring WATCHDOG The watchdog function monitors the SCPI command communication status Communication is assumed to have stopped if there is no communication within the time period specified by the communication monitoring timer setting CF17 This function operates regardless of whether the product is in remote or local panel control mode When using local mode panel control set communication monitoring to off in the timer settings When using remote mode you can set the timer using a command OUTP PROT WDOG You cannot stop communication monitoring with the RST RCL or CLS command In the alarm state turn off communication monitoring before clearing the alarm LXI Cigi TEL BA ES Alarm indication when the Commu a LOCK 1m LAN nication monitoring WATCHDOG Sene ETN Lee St ee Ne has been activated Lit Basic Functions N 42 CONFIG Settings Use the CONFIG settings to set the PWX series system configuration You can set and dis play the following parameters in the CONFIG settings The CONFIG parameters are listed in a separate document included with this manual Effects e indicates a parameter that may be affected when the panel settings are reset CF00 or when a preset memory entry is loaded Vindicates a parameter that may be affected wh
80. azczcedzeh dteldect acpeuctestiadcheiasservaiazaceeds 51 M MAC address display 0 cceeccesceeeeeeeneeteteeeneeesaee 52 memory contents display 0 eee eeeeeeeeeeeeeeeeeeeeneee 46 memory FUNCTION 00 eee eeee ngia 53 multichannel VMCB cseceeeeeeseeeeeeeseeteseeeeeeeeeees 3 hannel siete etitiies cazendevhoreestiavedss ousy tied cextenaineds 50 elon are lA ME E eine 50 0 OG E E AEE T 38 OCP activation detection time 0 0 elec eeeeeeeeeee 48 OPP E E E E TA 40 OHP2 rerien a ee 40 output on and off external control sssessnnnnsesennnrnsernnnnnesrrenne 47 external control logic 00 ee eeeeeeeeeeeeeeneeetenes 47 output on startup state eee cece ee eeeeeeeeeeeeeeee 48 OVP cette E EE cei td 38 ON Ps eae at esate eee eect EE 38 P Parallel operation 0 eeeeeeeeeeeeeeeeeeeeeeeeeneeeeeseesseeeees 45 POWER LIMIT 2s escst Ae tectietes pe nceetiiewhs creat eid 41 POWET ON StatUS eee cere eeeeaneeeeeeeenenees 45 product ID display 00 eee eeeseeeeeneeeesereeeteneeereee 52 protection function alarm clearance Method eeeeeeeseeeeres 46 fan failure protection 0 eeeeeeeeseeeeeneeeeee 40 incorrect sensing connection protection 41 low AC input protection 0 0 eee eeeeeeeeeeee 41 overcurrent protection ceeeeeeeeeeeeeeeeeees 38 overheat protection 0 eee eeseeeseeeeeeeeeeeeee 40 overheat protection 0 ee eeeeeeeeeeeeeneeeeenes 40 Overvoltage protection eeeeeeeeeeeeeeeee
81. capacitor that has a withstand voltage that is at least 120 of the prod uct s rated output voltage e Twist the positive and negative cables together and make the connection to the load as short as possible Oscillation may occur as a result of wiring inductance Output Chassis Master unit Output Chassis Slave unit 1 Output Chassis Slave unit 2 A A WN erminal Relay terminal Remove the OUTPUT terminal covers through a relay terminal block Use load cables that have sufficient current capacity Use load cables of equivalent length and cross sectional area to connect each power supply to the relay terminal block and wire the cables so that they are as short as possible 50 cm or less Also make the connection from the relay terminal block to the load block as short as possi ble Load connections for parallel operation two slave units The negative side is connected to the chassis terminal in this example Turn off all the PWX series that you want to connect in parallel Connect the load cables to the output terminals of the master unit and the slave units Connect the load cables of the master unit and slave units to the load Wire the J1 connector signal cables and the load cables as far apart as possible 5 Connect the output terminals positive or negative of the master unit and the slave units to the chassis terminals Connect the
82. cedure 1 Go N mo o1 Check that the AC power line meets the nominal input rating of the prod uct The product can receive a nominal line voltage in the range of 100 Vac to 240 Vac at 50 Hz or 60 Hz Check that the POWER switch is turned off Connect the power cord and the included INPUT terminal cover to the AC INPUT terminal on the rear panel Be sure to connect the AC INPUT L N and GND terminals correctly Pass the power cord through the INPUT terminal cover and fix the cord in place using the lock plate and screws Use the PWX screws to connect the INPUT terminal cover in place GND N White or blue N g ae L GND Green or NK f green and yellow No gt _ NAC INPUT terminal Lock plate a Secure the insulated section of the power cord in place l with a lock plate Lock plate INPUT terminal cover Attach an appropriate crimping terminal to the switchboard end of the power cord Turn off the switchboard breaker Connect the L N and GND wires of the power cord to the matching terminals on the switchboard PWX Turning the Power On Turning the POWER switch on Z CAUTION p 58 p 45 p 21 PWX Risk of electric shock Regardless of whether load cables are connected to the output terminals be sure to attach the OUTPUT terminal cover before turning the POWER switch on You can use the CONFIG settings to set how the PWX series star
83. current and the set cur rent are equal If load resistance RL is greater than resistance Rc the operating point is in area A and the PWX series operates in CV mode point p In this case the set current Is equals to the current limit When operating in CV mode the output voltage is maintained at the set voltage Output cur rent is determined by the equation Vs RL and is a current that is 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 does not reach the current limit Conversely if load resistance RL is less than resistance Rc the operating point is in area B and the PWX series operates in CC mode point q In this case set voltage Vs equals to the voltage limit When operating in CC mode the output current is maintained at the set current Output volt age V is determined by the equation V Is x RL and is a voltage that is less than voltage limit Vs The actual voltage that is applied is not necessarily equal to the specified value For loads that generate transient surge voltage Vs must be set so that the surge voltage does not reach the voltage limit E Crossover point The PWX series switches automatically between CV mode and CC mode according to the changes in the load A crossover point is the point at which the mode
84. d the load in series as shown in the following figure This cannot be used in conjunction with remote sensing maraa E DRP l Q D Q DRP Reverse current protection diode d 1 l ae e ase P EDINN i PWX750ML Load with accumulated energy A CAUTION To protect the load and the PWX series use a DPP that conforms to the following specifications Reverse voltage withstand capacity At least twice the rated output voltage of the PWX series Forward current capacity Three to ten times the rated output current of the PWX series A diode with small loss Be sure to take into account the heat generated by DPP DPP will burn out with inadequate heat dissipation PWX Load Cables PWX PAN AGN Ne Risk of fire Use load cables whose capacity is adequate for the PWX series rated output current The output connector and its surrounding area become hot Use cables whose cov ers have heat resistance at 85 C and higher Risk of electric shock Use load cables whose rated voltage meets or exceeds the PWX series isolation voltage E The cables allowable current depends on the insulation s maximum allow able temperature A cable s temperature is determined by the resistive loss based on the current the ambient temperature and the cable s external thermal resistance The following table shows the cur rent capacity of heat resistant vinyl wires that have a maximum allowable temperature of 6
85. der on off setting to on before you touch the out put terminals Even if you turn the output off or turn the POWER switch off if the bleeder on off setting is set to oFF the voltage that was present when the output was on will remain at the output terminals Basic Functions N 55 56 Bleeder On Off Feature E Sink current from an external voltage source when the breeder is on and off When the voltage from the external voltage source is larger than the set voltage Vout Output terminal voltage Model Bleeder Sink current areu 5 Vout 10 Vout 15 Vout 20 Vout 25 Vout 30 Vout PWX750LF ON 704 mA 667 mA 630 mA 593 mA 556 mA 519 mA OFF 0 2mA 0 4mA 0 6 mA 0 8mA 1 0mA 1 2 mA PWX1500L ON 704 mA 667 mA 630 mA 593 mA 556 mA 519 mA OFF 0 2mA 0 4mA 0 6mA 0 8mA 1 0mA 1 2 mA Vout Output terminal voltage Model Bleeder Sink current arewt 5 Vout 10 Vout 20 Vout 30 Vout 40 Vout 50 Vout 60 Vout 70 Vout 80 Vout PWX750MLF ON 704 mA 667 mA 593 mA 519 mA 444 mA 370 mA 296 mA 222 mA 148 mA OFF 0 2mA 0 3 mA 0 5mA 0 7mA 0 9mMA 1 1 mA 1 3 mA 1 5 mA 1 7 mA PWX1500ML ON 704 mA 667 mA 593 mA 519 mA 444 mA 370 mA 296 mA 222 mA 148 mA OFF 0 2mA 0 3 mA 0 5 mA 0 7mA 0 9mMA 1 1 mA 1 3 mA 1 5 mA 1 7 mA Vout Output
86. e OVto15V Isolated output on off control Possible logic selections Apply a LOW 0 V to 0 5 V or short circuit to set the OUT ON OFF CONT pin 18 of the J1 connector to LOW Apply a HIGH 4 5 V to 5 V or open circuit to set the OUT ON OFF CONT pin 18 of the J1 connector to HIGH Isolated shutdown control Apply a LOW 0 V to 0 5 V or short circuit to set the SHUT DOWN pin 6 of the J1 connector to LOW Iso lated monitor signal output Voltage control Isolated voltage monitor VMON_IS OVto5V 0Vto10V Isolated current monitor IMON_IS OVto5V 0Vto10V Isolated monitor Accuracy 4 of rtg common Isolated external control input Current control Isolated output voltage control VPGM_IS 0 to 100 of the rated output voltage 4 mA to 20 mA Isolated output current control IPGM_IS 0 to 100 of the rated output voltage 4 mA to 20 mA Isolated output control Accuracy 5 of rtg common Temperature 200 ppm C coefficient Input impedance 50 Q Isolated output on off control Possible logic selections Apply a LOW 0 V to 0 5 V or short circuit to set the OUT ON OFF CONT pin 18 of the J1 connector to LOW Apply a HIGH 4 5 V to 5 V or open circuit to set the OUT ON OFF CONT pin 18 of the J1 connector to HIGH Isolated shutdown control Apply a LOW 0 V to 0 5 V or short circuit to set the SHUT DOWN pin 6 of the J1 connector to LOW
87. e Used to selectthe Used to select the parameter number parameter number Value or the parameter to display Measured value display l System settings CF00 CF01 CURRENT knob CF17 Interface settings CF20 CF21 CURRENT knob CF25 iter if LAN USB RS232C nterface specific CF20 LAn CF20 uSb CF20 232 settings CE30 CF50 CF60 CF31 E CF51 gt CF42 ZN y 5 CURRENT knob CF00 CF33 and CF34 are used to execute operations CF35 to CF41 CF50 and CF51 are used to display the status of the PWX series You cannot set the values of any of these CON FIG parameters The SET key blinks when you have selected a CONFIG parameter whose setting you must confirm by pressing SET CF00 CF33 or CF34 Specifying the CONFIG settings Excluding resetting the settings reset ting the LAN interface settings and restarting the LAN interface 1 Press CONFIG The CONFIG key lights and the SET key blinks The ammeter displays the parameter number CFOO FF GG rST REBA The voltmeter parameter that you want to set When you press CONFIG the PWX series switches between the parameter numbers in the following order displays the corresponding setting Press CONFIG or turn the CURRENT knob to select the number of the CF00 CF20 gt CF30 CF50 gt CF60 gt measured value display When you turn the CURRENT knob the PWX series switches between the parameter numbers The parameter numb
88. e connection protect the uncovered sections of the shielded cable by using insulation tubes whose withstand voltage is greater than the PWX series isolation voltage A WARNING To reduce the influence of noise on the output connect a 2 core shielded wire or a twisted EJ pair wire across the external contact and keep the wire as short as possible If the wiring is long it becomes easy for noise to influence the operation of the PWX series Even if you use wires that are designed to suppress noise the PWX series may not operate properly If you use a shielded cable connect the shield to the negative output terminal To use an external contact to control the output on and off states set the appropriate CONFIG parameter CF09 on Then select the logic setting from the following two options e Turn the output on with a low signal CF10 Lo External Control Output is turned on when a LOW 0 V to 0 5 V or short circuit is applied to pin 1 of the J1 connector e Turn the output on with a high signal CF10 Hi Output is turned on when a HIGH 4 5 V to 5 V or open circuit is applied to pin 1 of the J1 connector When you have used an external contact to turn the output off the OUTPUT key on the front panel becomes invalid Vv represents that the OUTPUT key has been pressed v 1 i 1 1 j External H On contact l L Off ae ee ee of S ee lt lt The OUTPUT key is T
89. e maximum output current 105 of the rated output current of a single unit x the number of units in par allel is set If you switch to the setting display when the SET key is lit this value is dis played The last voltage that was set on the master unit is used When you press OUTPUT the set voltage and current are output You can set the voltage and current to any values Setting the overvoltage protection OVP and overcurrent protec tion OCP of the master unit When you are performing master slave parallel operation set the overvoltage protection OVP and overcurrent protection OCP of the master unit When you set the number of units in master slave parallel operation CF01 the maximum overcurrent protection value 112 of the rated output current of a single unit x the number of units in parallel is set If you switch to the OVP OCP setting display when the OCP OVP key is lit this value is displayed The last overvoltage protection value that was set on the master unit is used PWX Master Slave Parallel Operation PWX CONFIG parameters that can be set on master units e CFOO Resets the panel settings e CF02 Power on status parameter CF04 Memory content display parameter e CF05 CC control using an Vext or Rext e CF06 CV control using an Vext or Rext CFO7 CV CC control range parameter e CF09 External control parameter for turning output on and off e CF10 External control logic parameter for turn
90. e withstand voltage is greater than the PWX series isolation voltage The sensing terminals are at approximately 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 the cables so that the stripped wires do not stick out of the terminal Even if you turn the output off or turn the POWER switch off if the bleeder on off set ting CF11 is set to oFF the voltage that was present when the output was on will remain at the output terminals Set the bleeder on off setting to on before you touch the sensing terminals Regardless of whether local sensing or remote sensing is used be sure to attach the sensing terminal cover before turning the POWER switch on If the sensing cables come loose the output voltage across the load may become unstable and an excessive voltage may be applied to the load If an appropriate OVP trip point is set the OVP will trip before an excessive voltage is generated When you are finished with remote sensing return the PWX series to local sensing mode Strip gauge Correct 7 mm 0 28 inches eS m t The wire itself is Wire scraps are in contact with in contact with the chassis the chassis Terminal Function Use this screw to fix the S Negative remote sensing terminal cables m Plage soithatithey do Negative local
91. ected in parallel You can connect up to four units including the master in parallel The difference in the output voltage and output current between the master unit and the slave units is within approximately 5 of the rating When using the PWX series independently or when there are units not using parallel opera tion disconnect the parallel operation connections Otherwise the PWX series may not operate properly Features of the PWX series during master slave parallel operation The features of the PWX series during master slave parallel operation are as follows Voltage display and current display The voltmeter on the master unit displays the voltage The last voltage that was 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 unit displays its own current If the maximum output current exceeds 99 99 the maximum current is displayed as 999 9 You can switch the display so that it shows power The master unit s ammeter displays the total of the powers of all the units connected in parallel Each slave unit displays its own power If the number of units during master slave parallel operation that has been specified in the CONFIG settings CF01 does not match the actual number of units connected in parallel the correct current will not be displayed REGULATED
92. en the master unit the slave unit or the number of units is changed CF01 In the Note column A indicates a parameter that is applied immediately B indicates a parameter that is applied when the PWX series is turned on and C indicates a parameter that is applied when CF34 is executed Parameter number CF CONFIG a two digit number Display Parameter Setting display CONFIG setting and display examples gwitching number Setting or display description Effect Note SYSTEM rFoo Resets the panel settings E A CF01 Master slave parallel operation parameter v B CF02 Power on status parameter _ B CF03 Method for clearing OHP FAN and AC FAIL alarms B CF04 Memory content display parameter A CF05 CC control using an Vext or Rext A CFoe CV control using an Vext or Rext A CF07 CV CC control range parameter A CF08 Range during voltage and current monitoring A CF09 External control parameter for turning output on and off ev A CF10 External control logic parameter for turning output on and off Y A CF11 Bleeder on off parameter A CF12 Output on startup state parameter v A CF13 Detection time of OCP activation A CF14 Current setting limit ev A CF15 Voltage setting limit ev A CF16 Panel display brightness setting A CF17 Communication monitor timer
93. ent Technologies e DSC series made by Sorensen e PAG series made by Kikusui RS232C Hardware Complies with the EIA232D specifications excluding the connector RJ 45 connector 2 Baud rate 1200 2400 4800 9600 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 with the USB 2 0 specifications Baud rate 12 Mbps full speed Socket B type Program message terminator LF or EOM during reception LF EOM during transmission Device class Complies with the USBTMC USB488 device class specifications LAN Hardware IEEE 802 3 100Base TX 10Base T Ethernet Complies with the LXI Specification Ver 1 3 Class C IPv4 RJ 45 connector 3 Communication protocol VXI 11 HiSLIP or SCPI RAW Program message terminator VXI 11 and HiSLIP LF or END during reception LF END during transmission SCPI RAW LF during reception LF during transmission 1 This setting does not guarantee compatibility with all measuring instrument application software and drivers 2 The RD 8P 9P adapter cable is an option 3 Category 5 use a straight cable PWX PWX750LF PWX750MLF PWX750MHF PWX750HF PWX Isolated Analog Interface Factory option Common Iso lated external control input Voltage control Isolated output voltage control VPGM_IS 0 to 100 of the rated output voltage Se
94. ers that are displayed are those within the ranges defined by the parameter numbers that pressing the CONFIG key switches between Basic Functions N 44 CONFIG Settings p 42 Memo Press any key other than SET to cancel the confirmation of the parameter We Memo CF33 and CF34 will continue to be displayed while the settings are being applied this takes approximately 4 to 5 seconds When the measured value display appears the new settings have been applied co 4 Turn the VOLTAGE knob to change the value of the parameter To specify or display other parameters repeat step 2 and step 3 To stop specifying CONFIG settings proceed to step 5 Continue pressing CONFIG until the measured value display appears Alternatively press OUTPUT or PWR DSPL If you are configuring a slave unit press CONFIG or PWR DSPL Some CONFIG parameters will be applied immediately after you set them some will be applied after you restart the PWX series and some will be applied after you exe cute CF33 or CF34 Specifying the CONFIG settings Resetting the settings resetting the LAN interface settings and restarting the LAN interface Resetting the settings CF00 Resetting the LAN interface settings CF33 Restarting the LAN interface CF34 Press CONFIG once for CF00 or three times for CF33 and CF34 The CONFIG key lights and the SET key blinks If you pressed CONFIG once the ammeter displays the parameter nu
95. es 38 overvoltage protection 2 0 ccceceeeeeeeeeeeees 38 power liMIt jndueiiasc ain een 41 SIMUTO OWI viisaana iara aseda iraa entanas 41 undervoltage limit sseeseesesesseerreerrnsrrresrrnens 40 R remote interface 0 eeeeeeececeeeesceeeeeeeeeteeeeeetenseeeeerees 49 remote Sensing 20 ccececesecsceseeressseeseneaeersseesasenreneneaes 23 RS232C interface paud rate re 52 123 S SCPI communication error display 50 S D EE P EE E T A 41 SENSE esincistehehsieatsen i ae 41 setting limit U A EPE PE P eet IE ATT 40 setting MITS rieren aranana aroraa AEEA rA 37 settings reset cisciss sisagessniedearsacerattdcdetasdeostenpeaisecnscendaa 45 U D E E A EEA AE 40 V vendor ID display ee eeeeeeeseeeeeeteeeeeeeeteneeeeeeneeteaaee 52 V TSIO oseraies ee a edasucataubeqaveress 2 VMCB Virtual Multi Channel Bus chanel aoc sesccseeyc cave cepeeseeesdenecisieesatoeseetacs ensvies 50 COMMA ez nds stcviaiet alee aai 50 voltage monitoring range oo eee eet ee eteeeeeeeeeeeee 47 voltage Setting limit oo eee eeeeeeeeneeeteneeeeeneeeeeee 48 e e 124 PWX KIKUSUI ELECTRONICS CORP 1 1 3 Higashiyamata Tsuzuki ku Yokohama 224 0023 Japan Tel 81 45 593 7570 Fax 81 45 593 7571 _ Website http www kikusui co jp Printed in Japan
96. es with the USB 2 0 specifications Baud rate 12 Mbps full speed Socket B type Program message terminator LF or EOM during reception LF EOM during transmission Device class Complies with the USBTMC USB488 device class specifications LAN Hardware IEEE 802 3 100Base TX or 10Base T Ethernet Complies with LXI Specification version 1 3 Class C IPv4 RJ 45 connector 3 Communication protocol VXI 11 HiSLIP or SCPI RAW Program message terminator VXI 11 and HiSLIP LF or END during reception LF END during transmission SCPI RAW LF during reception LF during transmission 1 This setting does not guarantee compatibility with all measuring instrument application software and drivers 2 The RD 8P 9P adapter cable is an option 3 Category 5 use a straight cable Specifications gt 107 PWX1500L PWX1500ML PWX1500MH PWX500H Isolated Analog Interface Factory option Common Iso lated external control input Voltage control Isolated output voltage control VPGM_IS 0 to 100 of the rated output voltage Selectable control voltage range 0 V to 5 V or 0 V to 10 V Isolated output current control IPGM_IS 0 to 100 of the rated output current Selectable control voltage range 0 V to 5 V or 0 V to 10 V applied voltage Isolated output control Accuracy 5 of rtg common Temperature 100 ppm C coefficient Input impedance 1 MQ Maximum absolut
97. et CF00 and when a preset memory entry is recalled You can only specify this parameter when the PWX series is being used as a master unit Value Parameter description oFF External control is not performed factory default setting on External control is performed CF10 External control logic parameter for turning output on and off 69 Sets the logic that is used when an external contact the J1 connector is being used to turn SA output on and off You can only specify this parameter when the PWX series is being used as a master unit Value Parameter description Lo Output is turned on when a LOW signal 0 V to 0 5 V or short circuit is received factory default setting Hi Output is turned on when a HIGH signal 4 5 V to 5 V or open circuit is received CF11 Bleeder on or off See 55 Turns the bleeder circuit on and off You can turn the bleeder circuit off when you don t want pen Ps current to be sinked by the internal bleeder circuit such as when you are charging a battery Even when the output terminal is off open or when the set voltage is 0 V if you turn the bleeder off a voltage as large as a few hundred millivolts may appear at the output terminal Depending on whether the breeder circuit is on or off the sink current and the fall time of out put voltage when an external voltage sources connected will vary When using master slave parallel operation or series operation use the same settings on all
98. f the PWX series On the 750 W model this is the AC inlet 6 ZACINPUT On the 1500 W model this is the AC input terminal p 12 p 13 7 Chassis terminal Connector for grounding the output a 8 regs in as Rone Terminals to connect the sensing cables p 23 9 J1 External control connector p 60 p 75 10 Option slot Slot for the isolated analog interface option factory option p 111 e e e PWX P 9 10 This page is intentionally blank PWX Installation and Preparation This chapter describes how to turn on the PWX series what kind of load cables to use and how to connect cables to the out put connectors 12 Connecting the Power Cord N WARNING This product is a piece of equipment that conforms to IEC Overvoltage Category II equip ment that consumes energy supplied from a fixed installation A power cord is not included with this 1500 W model Use a power cord that conforms to this product s rated AC input voltage and current The following specialized power cords are available as options CE non compliant For the 1500 W model AC5 5 3P3M M4C VCTF Risk of electric shock This product is a piece of equipment that conforms to IEC Safety Class equipment that has a protective conductor terminal 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 750 W model
99. g washer and washer for each bolt washer and washer for each bolt Chassis connection wire 1 pc J1 connector plug kit 1 set housing x 1 connector x 1 plug x 1 cable strain relief x 1 clip x 2 and two kinds of screws x 2 Packing list 1 copy Quick reference Japanese 1 copy English 1 copy Safety precautions 1 copy CD ROM 1 disc Factory option 2 Does not apply to specially ordered or modified PWXs 3 Limited to products that have the CE mark on their panels Not be in compliance with EMC limits unless the ferrite core is attached on the cable for connection of J1 connector 4 This is a Class equipment Be sure to ground this product s protective conductor terminal The safety of this product is only guaranteed when the product is properly grounded 5 This is a Class A equipment This product is intended for use in an industrial environment This product may cause interference if used in residential areas Such use must be avoided unless the user takes special measures to reduce electromagnetic emissions to prevent interference to the reception of radio and television broadcasts 6 This is a Group 1 equipment This product does not generate and or use intentionally radio frequency energy in the form of electromagnetic radiation inductive and or capacitive coupling for the treatment of material or inspection analysis purpose IDimensions M3 screw holes x 4 Max screw insertion de
100. ge value or change the value of a CONFIG parameter p 29 p 42 FINE Used to make fine voltage value adjustments p 29 Air inlet louver Air inlet for cooling the inside of the PWX series 5 OUTPUT key Used to turn output on and off p 30 6 SET key Used to set and confirm the output voltage and output current the key has an LED p 28 ALM CLR key Used to release protection functions that have been activated the key has an LED p 37 z OCP OVPkeys indervoltage imit OVL tip points he Key hasan LED 8B A Used to recall and save the value of preset memory A the key has an LED p 53 b CONFIG key Used to configure the various operating conditions the key has an LED p 42 B Used to recall and save the value of preset memory B the key has an LED p 53 9 PWR DSPL key Used to display the output power on the ammeter the key has an LED p 28 C Used to recall and save the value of preset memory C the key has an LED p 53 10 LOCAL key Used to switch between local mode and remote mode the key has an LED p 57 LOCK key Used to lock the operation of all keys other than the OUTPUT key the key has an LED p 55 11 SHIFT key Used to enable the functions that are written in blue characters below the key 12 Ammeter Displays the current power or the parameter number of a CONFIG parameter p 28 p 42 13 CCLED Lights in red during constant current mode p 35 14 Voltmeter Displays the voltage the value of a CONFIG parameter or the cause of an alarm ae
101. gic selections Apply a LOW 0 V to 0 5 V or short circuit to set the OUT ON OFF CONT pin 18 of the J1 connector to LOW Apply a HIGH 4 5 V to 5 V or open circuit to set the OUT ON OFF CONT pin 18 of the J1 connector to HIGH Isolated shutdown control Apply a LOW 0 V to 0 5 V or short circuit to set the SHUT DOWN pin 6 of the J1 connector to LOW Iso lated monitor signal output Current control Isolated voltage monitor VMON_IS 4 mA to 20 mA Isolated current monitor IMON_IS 4 mA to 20 mA Isolated monitor Accuracy 4 of rtg commen Load impedance 500 Q or less Specifications gt 99 PWX750LF PWX750MLF PWX750MHF PWX750HF General PWX750LF PWX750MLF PWX750MHF PWX750HF Weight main unit only Approximately 8 kg 17 64 Ib Approximately 7 5 kg 16 53 Ib Dimensions See the outline drawing Environ Operating environment Indoor use overvoltage category II mental Operating temperature 0 C to 50 C 32 F to 122 F conditions Operating humidity 20 rh to 85 rh no condensation Storage temperature 10 C to 60 C 14 F to 140 F Storage humidity 90 rh or less no condensation Altitude Up to 2000 m Cooling method Grounding polarity Forced air cooling using fan Negative grounding or positive grounding possible Low Voltage Directive
102. he external contact has To use the external contact to disabled Even if you been used to turn output turn output on again press it output is on so the OUTPUT key first turn the output off not generated is enabled Controlling 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 2 core shielded wire or The open circuit voltage across pins 18 and 19 twisted pair wire is approximately 5 V The short circuit current xe te m across pins 18 and 19 is approximately 0 5 mA Use external contacts that have a contact rating of 0 5 mA or more at 5 Vdc If two or more units are floating and you are using a single external contact to turn output on and off for all the units use a relay or similar device for the external contact signal to isolate the signal transmitted to each unit 69 PWX 70 Controlling the Output On and Off States E For long distance wiring When you are wiring over a great distance use a small relay and extend the coil side of the relay Extend this line Relay PWX Controlling Output Shutdown PWX This section explains how to use an external contact to turn output off ING Risk of electric shock The insulation of the external contact S and the connected cable must be greater than or equal to the isolation voltage of the PWX series For the isolation voltage of e
103. ing insulation tubes whose withstand voltage is greater than the PWX series isolation voltage Control using an external voltage Vext p 46 PWX Z CAUTION To use an external voltage Vext to control the output current set the CC control using an external voltage or an external resistance in the CONFIG settings so that external voltage control is enabled CF05 on The output current lo varies in the range of 0 to the rated output current Irtg when the external voltage Vext is changed in the range of 0 V to 5 V CF07 Lo or in the range of 0 V to 10 V CFO7 Hi External voltage Vext 0 V to 5 V CF07 Lo External voltage Vext 0 V to 10 V CF07 Hi lo Irtg x Vext 5 in A Vext 5 x lo Irtg in A lo Irtg x Vext 10 in A Vext 10 x lo Irtg in A The signal cable may burn out Do not connect the Vext output that is leave it floating Risk of damage to the product e Pay careful attention to the polarity of Vext Do not apply a voltage of 10 5 V or greater or a reverse voltage across the external voltage control pins When using the optional isolated analog interface do not connect anything to pin 21 IPGM of the J1 connector External voltage source Vext connection Connect a low noise stable voltage source to Vext The noise in Vext is multiplied by the amplification factor of the PWX series and appears in the output Therefore the output ripple noise may
104. ing output on and off CF12 Output on startup state parameter CF14 Current setting limit CF15 Voltage setting limit 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 Parallel Series Operation gt 3 Operate the master unit normally You cannot perform panel operations on the slave units Turn output on and off from the master unit Turning power off After you turn the POWER switch off wait at least 10 seconds after the panel display turns off before you turn the POWER switch back on Repeatedly turning the POWER switch on and off at short intervals can cause damage to the inrush current limiter In turn this will shorten the service life of the POWER switch internal input fuse and other components N CAUTION 1 Turn the slave unit s POWER switch off 2 Turn the master unit s POWER switch off eeece amp Series Operation 7 WARNING The PWX750HF and PWX1500H cannot be used in series operation If you do the output will exceed the isolation voltage resulting in a dangerous condition With models whose output is less than 650 V you can connect up to two units in series You cannot perform master slave series operation The total of the output voltages of the two units is applied to the load The voltage setting accuracy is the same as the accuracy of an individual unit Features of the PWX series
105. ing range 0 1 2 3 4 5 6 7 8 PWX1500H operating range Output current A PWX CV Power Supply and CC Power Supply PWX The PWX series has features that enable it to function as a constant voltage source and con stant current source even when the load is changed The constant voltage source operation is referred to as constant voltage CV mode The constant current source operation is referred to as constant current CC mode The operation mode is determined by the follow ing three values The set output voltage Vs The set output current Is e The load resistance RL The operation modes are described below RL gt Re RL Re Vmax A Vs pf Crossover point ood CV mode area ICC mode area gt URL lt Re Vs Set voltage Is Set current Rc Vs Is Ohm s Law BE RL Load resistance Vmax Maximum settable voltage 0 Is Imax Imax Maximum settable current Output current lout Output voltage Vout The above figure shows the PWX series operation modes The load resistance is denoted as RL The resistance which is denoted as Rc is calculated from the set voltage and current Rc Vs Is The power supply is designed so that it operates in CV mode in area A and CC mode in area B The boundary is the line defined by RL Re This line represents the load at which the output voltage and the set voltage are equal and the output
106. ing us about the product please provide us with The model marked in the top section of the front panel The firmware version see page 15 The serial number marked on the rear panel Trademarks Microsoft Windows and Visual Basic are registered trade marks of Microsoft Corporation in the United States and or other countries All company names and product names used in this manual are trademarks or registered trademarks of their respective companies Copyrights The contents of this manual may not be reproduced in whole or in part without the prior consent of the copyright holder The specifications of this product and the contents of this man ual are subject to change without prior notice 2011 Kikusui Electronics Corporation Checking the Package Contents When you receive the product check that all accessories are included and that the accessories have not been damaged during transportation If any of the accessories are damaged or missing contact your Kikusui agent or distributor We recommend that you save all packing materials in case the product needs to be transported at a later date Part name 750 W model 1500 W model Power cord 1 pe OUTPUT terminal cover 1 set 1 set INPUT terminal cover set 1 set Output terminal bolt set PWX750LF M8 bolts 2 sets M8 bolts 2 sets PWX750MLF PWX1500L PWX1500ML PWX750MHF M5 bolts 2 sets M5 bolts 2 sets PWX750HF PWX
107. ings See e Constant current control using an Vext or Rext CF05 oFF 0 46 p 47 p 48 Constant voltage control using an Vext or Rext CF06 oFF Memo This is convenient when you want to view the contents that have been saved to memory Memo Press OCP OVP CONFIG or PWR DSPL to cancel the recall operation Jr Memo This is convenient when you know the contents that have been saved to memory Output on off control using an external contact CF09 oFF Current setting limit CF14 on e Voltage setting limit CF15 on Displaying the saved contents for confirmation and then recalling 1 Press SHIFT the memory key A B or C from which 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 contents of the corresponding memory appear blinking 2 Check the displayed settings and then press SET The SET LED and the LED that corresponds to the loaded preset memory entry both light and the set voltage and current are displayed on the panel Recalling without displaying the saved contents 1 Use the CONFIG settings to set the PWX series to hide the saved con tents of preset memory entries CF04 oFF 2 While holding down the SHIFT key press the appropriate memory key A B or C The LED that corresponds to the preset memory entry that you have loaded PR
108. intain the performance of the PWX series for a long time we request that you fully understand the Auto feature and only use it when necessary Value Parameter description SAFE After the problem that caused an alarm to occur is fixed the output is not turned on automatically factory default setting Auto After the problem that caused an alarm to occur is fixed the output is turned on automatically CF04 Memory content display parameter Sets whether to display the saved contents in the preset memory before recalling them You can use this CONFIG parameter if you forget what settings have been saved to a preset memory entry or if you want to view the saved settings You can only specify this parameter when the PWX series is being used as a master unit Value Parameter description OFF The saved contents of preset memory will be recalled without displaying them on The saved contents of preset memory will be displayed and then recalled after con firmation factory default setting CF05 CC control using an Vext or Rext See p 45 p 54 Selects whether constant current will be controlled by an external voltage Vext or an exter Saa ee ne nal resistance Rext the J1 connector p 67 This is set to oFF when the panel settings are reset CF00 and when a preset memory entry is recalled You can only specify this parameter when the PWX series is being used as a master unit Value Parameter description
109. ion voltage range 4 V for a single line Are you using external control with a loose Connect the cable correctly p 60 control cable Is the external voltage excessive during Apply the correct voltage p 65 external control p 67 Is the internal temperature too high The overheat protection function has been p 40 activated Check the operating environ p 96 ment The louver may be clogged or the fan may be broken Check them The ALARM LED lights when Is a large external voltage such as that The overvoltage protection function or the p 57 the load is changed of a battery load being applied overcurrent protection function may have Is the actual output voltage higher than the set voltage that is displayed on the panel been activated Check them The PWX series may be overloaded Check the load Is a special load connected Unable to perform panel operations Symptom Items to Check Remedy Unable to perform panel oper Is the LOCK LED lit Release the panel operation lock p 55 avons Is the REMOTE LED lit To control the PWX series from the panel p 57 Is the PWX series being controlled via the ie the LOCAL switch to switch to local RS232C USB or LAN interface moce The PWX series does not Was a local lockout llo command sent Send the SYST LOC communication switch to local mode even through the communication interface command to clear the local lockout llo when the LOCAL switch is sta
110. l Operation 08 76 Features of the PWX series during master slave parallel operation eeeeeeees 76 Connection master slave parallel operation 78 Settings master slave parallel operation 80 Starting master slave parallel operation 87 Series Operation ecceecceeeeeeeeseeeeneeeseeeeees 82 Features of the PWX series during series op CV atl OMe aa a hates 82 Connection series operation 84 Settings Series operation eee 85 Starting series operation cceeeeeee 85 Maintenance Calibration rcs fects 2ec 35 c8 ccd ced hast nnna renine 88 Calibration OVervieW ccccceeeeseeeeees 88 Calibration procedure ccscceeseeeees 89 Specifications 750W MOGEL cceecceeeeeeeeseeeeeeeeessteeeseneeeeees 93 1500W MOdel cccecceeesseceeeeeeeseteeeseneeeesees 102 Isolated Analog Interface IMtPOGDUCTION isisi 112 Isolated Analog Interface Connector 113 Setup and Operation ccccceeeeeeeeeeeees 114 Appendix A Options ou B Troubleshooting PWX Search by Topic Preparation Operation Maintenance Troubleshooting See Troubleshooting on page 118 PWX e want to check the accessories See Checking the Package Contents or the included packing list The installation space is limited so want See the included Safety Precautions to check the installation conditions documen
111. l of the power supply unit and the protective con ductor terminal chassis terminal When the output terminal is not grounded floating The output terminal of the PWX series is isolated from the protective conductor terminal If you connect the GND wire of the power cord to the ground terminal of the switchboard the chassis of the PWX series is set to ground potential Pins 5 to 13 for external control and parallel operation and 18 to 25 for external control and output monitoring of the rear panel J1 connector are at approximately the same electric potential as the PWX series negative output terminal Cables and devices that are connected to these pins must have an insulation capacity greater than or equal to the isolation voltage of the PWX series PWX Isolated Because the output terminal is floating the section shown on a gray background must have an insulation capacity greater than or equal to the PWX750ML isolation Isolated voltage Approximately the same potential as the negative output terminal Approximately the same potential as the negative output terminal INPUT PWX Output Terminal Insulation When the output terminal is grounded PWX If the positive output terminal is connected to the chassis terminal the positive output termi nal is at ground potential The cable and load that are connected to the output terminal including the sensing terminal will only require an insulation cap
112. l to 10 mA at 5 Vdc 9 GND_IS Common for pins 5 through 8 1 Control within the 0 to 100 range of the rated output voltage 2 Control within the 0 to 100 range of the rated output current 3 Pins 2 4 and 9 are connected internally 4 LOW 0 V to 0 5 V or shorted HIGH 4 5 V to 5 V or open e e PWX e 9 Isolated Analog Interface 113 Setup and Operation Z CAUTION To prevent damage to the product do not set the output voltage and output current to values that exceed the product s ratings Using the voltage control interface See 42 1 3 Use the CONFIG settings to set the following parameters CONFIG parameter Setting CFOS CC control using an external voltage or or external resistance CV control using an external voltage CF06 or external resistance on CF09 External control parameter for turning n output on and off CF07 CC or CV control range Lo 0 V to 5 V or Hi 0 V to 10 V Range during voltage and current CF08 a monitoring Lo 0 V to 5 V or Hi 0 V to 10 V External control logic parameter for Lo low level signal to turn the output on or CF10 turning output on and off Hi high level signal to turn the output on 1 LOW OV to 0 5 V or shorted HIGH 4 5 V to 5 V or open Connect the external voltage source to the isolated analog interface con nector Check that the voltage polarity is correct Set the applied voltage to the appropria
113. lectable control voltage range 0 V to 5 V or O V to 10 V Isolated output current control IPGM_IS 0 to 100 of the rated output current Selectable control voltage range 0 V to 5 V or O V to 10 V applied voltage Isolated output control Accuracy 5 of rtg common Temperature 100 ppm C coefficient Input impedance 1 MQ Maximum absolute OVto15V Isolated output on off control Possible logic selections Apply a LOW 0 V to 0 5 V or short circuit to set the OUT ON OFF CONT pin 18 of the J1 connector to LOW Apply a HIGH 4 5 V to 5 V or open circuit to set the OUT ON OFF CONT pin 18 of the J1 connector to HIGH Isolated shutdown control Apply a LOW 0 V to 0 5 V or short circuit to set the SHUT DOWN pin 6 of the J1 connector to LOW Iso lated monitor signal output Voltage control Isolated voltage monitor VMON_IS OVto5V 0Vto10V Isolated current monitor IMON_IS OVto5V 0Vto10V Isolated monitor Accuracy 4 of rtg common Isolated external control input Current control Isolated output voltage control VPGM_IS 0 to 100 of the rated output voltage 4 mA to 20 mA Isolated output current control IPGM_IS 0 to 100 of the rated output voltage 4 mA to 20 mA Isolated output control Accuracy 5 of rtg comman Temperature 200 ppm C coefficient Input impedance 50 Q Isolated output on off control Possible lo
114. les are connected with the incorrect polarity positive or negative and the remote sensing function is then used REGULATED DG S 1 ch CURRENT VOLTAGE i 1 H i EN rik N SIEJA no 5 la Alarm indication when incorrect LOCK REMOTE LAN ff i i i d aR ee CONFIG Pana LocaL Sila j sensing connection protection NE iz Nak TE a Sel EL SENSE has been activated Low AC input protection AC FAIL This function is activated when a low AC input is detected cunenr ERTA IRIG voutaee Alarm indication when low AC gt man mer ox ees input protection AC FAIL has NF SEEN Ig Sey S a been activated it Shutdown SD Shutdown SD is not activated as a result of the PWX series detecting an error It is a func tion that is used to turn the output off through the application of a signal to the rear panel J1 connector when an abnormal condition occurs If SD is activated turn the POWER switch off and on REGULATED DG POWER iD 1 ES Alarm indication when the El E shutdown SD function has ss been activated TET JER ee DEG Panam LOCAL Paa fia ral amar Wa online Lit Power limit POWER LIMIT This function changes the output voltage or output current according to the changes in the load resistance This function limits the output power to a value that is approximately 105 of the rated output power This function does not turn the output off When the power limit function h
115. load cables E Limitations of the remote sensing function All wires have resistance As the wire becomes longer or the current becomes larger the volt age drop in the wire becomes greater This results in a smaller voltage being applied at the load end The PWX series has a sensing function that compensates for this voltage drop up to approximately 4 V for a single line If the voltage drop exceeds this level use wires that have a greater cross sectional area Installation and Preparation 19 20 Connecting to the Output Terminals ZN WARNING Risk of electric shock Turn the POWER switch off before you touch the OUTPUT terminals Even if you turn the output off or turn the POWER switch off if the bleeder on off set ting CF11 is set to oFF the voltage that was present when the output was on will remain at the output terminals Set the bleeder on off setting to on before you touch the output terminals Regardless of whether load cables are connected to the output terminals be sure to attach the OUTPUT terminal cover before turning the POWER switch on negative terminal positive terminal Wet Chassis terminal The PWX1500ML is in this example 1 Turn the POWER switch off Check that there is no voltage across the output terminals 2 Connect one end of the included chassis connection wire to the chassis terminal and then connect the other end of the wire to the negative or positive outp
116. ltage If you are performing remote sensing with the voltage close to the maximum output voltage the output is limited by the maximum output voltage 105 of the rated output voltage Electrolytic capacitors may be required at the sensing point across the load To reduce the effect of noise use twisted pair wires or 2 core shielded wires When you are using shielded wires connect the shield to the ground of the PWX series or the load EAX Use twisted pair wires for the load cables Make the cables as short as possible Sensing terminal Connect an electrolytic capacitor across the load as necessary Ta For the sensing cables use twisted pair wires or shielded wires PWX Sensing PWX Turn the POWER switch off Remove the sensing terminal cover and sensing connector from the rear panel sensing terminals Remove the local sensing jumpers from the sensing connector Remove 7 mm of the wire covering Connect the negative sensing cable to S and the positive sensing cable to S Use cable screws to securely fix the cables in place so that they do not come loose Aa 0O Na 5 Firmly attach the sensing terminal cover and sensing connector to the rear panel sensing terminals 6 Turn the POWER switch on E Electrolytic capacitor to connect across the load If the wiring inductance component is large the following symptoms may appear The PWX series oscillates If the wires used to connect to the load
117. mber CFOO LF GG The voltmeter displays the corresponding setting rST SE If you pressed CONFIG three times the ammeter displays the parameter number CF80 6 F 39 The voltmeter displays the corresponding setting on on If you are resetting the LAN interface settings CF33 or restarting the LAN interface CF34 turn the CURRENT knob to select the parameter number Press SET which is blinking The CONFIG key turns off and the SET key the parameter number displayed on the ammeter and the setting displayed on the voltmeter all blink CF33 display example CF34 display example current JF fE OD P at voutase Blinking Vane Press SET which is blinking again The settings are applied While the parameter number and the setting are blinking no new settings will be applied until you press SET When setting CFOO the measured value display appears When you are setting CF33 or CF34 the display changes once after you press SET The ammeter displays boot In both cases all key LEDs light After these are dis played for approximately 4 to 5 seconds the measured value display appears and the settings are applied Display example of CF33 or CF34 being applied PWX CONFIG Settings CONFIG parameter details p 42 p 58 Communication Interface Manual See p 15 PWX The CONFIG parameters are explained in detail below CF00 Resets the panel settings Sets whether the pa
118. mptom Items to Check Remedy The ripple sometimes Is the input voltage outside the range Apply a voltage that is within the input voltage p 93 becomes large range p 102 The ripple increased when the Is something nearby generating a Take measures such as moving the PWX PWX series was installed ina strong magnetic or electrical field series away from the field sources or twisting different location the cables connected to the PWX series The output ripple is large dur Is there a large amount of external Take measures against noise ing external control voltage noise The ripple increased when the Are the remote sensing cables con When you are not using remote sensing dis p 23 load cable was changed nected connect the remote sensing cables The ALARM LED lights when the OUTPUT switch is turned on Symptom Items to Check Remedy The ALARM LED lights when Are the remote sensing cables and the When you are not using remote sensing p 23 the OUTPUT switch is turned sensing connectors connected connect the sensing connectors in local on sensing mode Are the polarities of the remote sensing The polarities of the remote sensing p 23 cables connected in reverse cables may be connected in reverse or the ends of the cables may be shorted Check the load cables Are you using remote sensing with long Set up the environment so that the voltage p 23 load cables drop in each load cable is within the com pensat
119. ms 36 Protection function activation 37 CONFIG Settings eceeeeeeeeeeeeeeeeeteeeeeeeeeees 42 CONFIG parameter details ccceees 45 Preset Memory Function cccccccseseeeeeeees 53 Saving settings to preset memory 53 Recalling preset memory entries 54 Locking Panel Operations Key lock 55 Bleeder On Off Feature cccceeeeseseees 55 Switching from Remote Mode to Local Mode 57 Factory Default Settings Initialization 58 7 External Control OVE W ai deai an aE EE E EiS 60 About the J1 Connector seessesseseeeeeeseeeee 60 Output Terminal Insulation cceeeeeeeeees 62 When the output terminal is not grounded TOT ieira bececeadepsat chase a 62 When the output terminal is grounded 63 Cautions when using the external voltage VOXt 4 ets Heinen 64 Controlling the Output Voltage eee 65 Control using an external voltage Vext 65 Control using an external resistance Rext 66 Controlling the Output Current cee Control using an external voltage Vext 67 Control using an external resistance Rext 68 Controlling the Output On and Off States 69 Controlling Output Shutdown eseeee 71 Controlling the Clearing of Alarms 0 72 External Monitoring c ccsceeceeseeseeeeereeees 73 Parallel Series Operation Master Slave Paralle
120. ms If you cancel the calibration item in progress to initiate a different item or if you turn the POWER switch off the calibration will be invalid Connection Maintenance e Voltage calibration PWX DVM Output terminal Chassis terminal e Current calibration PWX Output terminal DVM Chassis terminal PWX 0000o 90 This page is intentionally blank PWX Specifications This chapter contains the specifications and gives the dimensions of the PWX series 92 Unless specified otherwise the specifications are for the following settings and conditions Loads are pure resistive loads The warm up time is 30 minutes with current flowing After the PWX has been warmed up it must be calibrated correctly in a 23 C 5 C environment according to the procedures given in the operation manual Values indicated by TYP are typical values They are not guaranteed performance values Values indicated by rtg are rated values Values indicated by rdng are readout values The PWX operates over a wide range of output voltage and output current within rated output power However the current that can be output with rated output voltage and the voltage that can be output with rated output current are limited by the rated output power The current that can be output with rated output voltage and the voltage that can be output wi
121. nctions are designed to protect the load If you use the CONFIG settings to limit the voltage setting CF15 ON you will no longer be able to set the output voltage to a value that exceeds the OVP trip point This means that you won t be able to check the operation of the OVP function If you use the CONFIG settings to limit the current setting CF14 ON you will no longer be able to set the output current to a value that exceeds the OCP trip point This means that you won t be able to check the operation of the OCP function To check the operation of the OVP function carry out the procedure below Check that the OUTPUT LED in the display area is turned off Set the output voltage to a value lower than the OVP trip point The OUTPUT LED lights 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 the OVP function has been activated 1 2 3 Press OUTPUT to turn output on 4 REGULATED DC POWER SUPPLY 1 my LXI I p VOLTAGE L v F LOCK REMOTE LAN f Display of the OVP activation Tit ta es Fie alarm 5 Check that output has turned off 6 Turn the POWER switch off To check the operation of the OCP function carry out the procedure below Short the output terminal Turn the POWER switch on Check that the OUTPUT LED in the display area is turned off Set the output current to
122. nd 10 V CF08 Hi 1 The status common is floating isolation voltage of 60 V or less it is isolated from the control circuit If connected for master slave parallel operation STATUS COM of the master unit will be connected to A COM of the slave unit it will no longer be floating 2 Open collector output Maximum voltage of 30 V and maximum current of 8 mA e e PWX 61 9 62 OM Output Terminal Insulation Z CAUTION Risk of electric shock For safety reasons even if the output terminal is grounded make sure that the insulation capacity of the output terminal including the sensing terminal is greater than or equal to the isolation voltage of the PWX series For the isolation voltage of each model Specifications on page 91 If you cannot obtain a cable with sufficient rated voltage secure adequate withstand voltage by passing the cable through an insulation tube with a withstand voltage greater than the isolation voltage of the PWX series The signal cable may burn out If the PWX series is to be controlled through an external volt age Vext do not ground the external voltage leave it floating The cable and load that are connected to the output terminal including the sensing terminal must have an insulation capacity that is greater than or equal to the isolation voltage of the PWX series with respect to the chassis Isolation voltage indicates the maximum allowed volt age that appears across the output termina
123. nel settings will be reset The following settings will be reset When the settings are reset the PWX series settings take on the same values as they do when an RST command is received You can only specify this parameter when the PWX series is being used as a master unit Output voltage Output on off at power on Output current e Constant current control using an Vext or Rext CF05 e Overvoltage protection Constant voltage control using an Vext or Rext CF06 Overcurrent protection External control setting for turning output on and off CF09 e Undervoltage limit Voltage and current setting limits CF15 and CF14 Value Parameter description rst Resets the panel settings CF01 Master slave parallel operation parameter Sets the total number of units master unit and slave units in master slave parallel operation Specify SLAV for the units that you want to use as slaves This parameter is applied when you turn the POWER switch off and on Changing this setting may affect the settings of the master unit or the slave units that are con nected in parallel Value Parameter description SLAV Use the PWX as a slave unit 1to4 Set the total number of units 1 to 4 1 indicates independent operation factory default setting CF02 Power on status parameter Sets the condition that the PWX series will be in when the power is turned on This setting is invalid when you are using an external co
124. ng an Vext or Rext OFF CFo7 CV CC control range parameter LO 0 V to 5 V CF08 Range during voltage and current monitoring LO 0 V to 5 V CFo9 External control parameter for turning output on and off OFF CF10 External control logic parameter for turning output on and off LO a LOW signal turns output on CF11 Bleeder on off parameter ON bleeder circuit is on CF121 Output on startup state parameter CV CV is prioritized CF13 Detection time of OCP activation Oms CF14 Current setting limit ON the setting is limited CF15 Voltage setting limit ON the setting is limited CF16 Panel display brightness setting 7 CF17 Communication monitor timer setting OFF Communication monitoring timer off CF20 Remote interface parameter LAN CF21 Command language parameter SCPI CF22 Emulation parameter during remote control NONE PWX series commands CF23 SCPI communication error display parameter OFF not displayed CF24 Multichannel VMCB domain number 0 the multichannel function is not used CF25 Multichannel VMCB channel number 0 the PWX is used as a master unit on the multichannel network CF30 DHCP parameter ON a server is used CF31 AUTO IP address parameter ON the AUTO IP function is used CF32 MANUAL IP address parameter OFF the MANUAL IP address function is not used CF42 SCPI RAW protocol TCP port number 5025 CF60 RS232C baud rate parameter 19 2 kbit s 1 You can only specify this parameter when the PWX series i
125. ng connected to the PWX must be less than 3 m PWX PWX750LF PWX750MLF PWX750MHF PWX750HF PWX750LF PWX750MLF PWX750MHF PWX750HF Accesso OUTPUT terminal cover 1 pc nes INPUT terminal cover set Power cord 1 pc Output terminal bolt set M8 bolts 2 sets Bolt nut spring M5 bolts 2 sets Bolt nut spring washer and washer for each bolt washer and washer for each bolt Chassis connection wire 1 pc J1 connector plug kit 1 set housing x 1 connector x 1 plug x 1 cable strain relief x 1 clip x 2 and two kinds of screws x 2 Packing list 1 copy Quick reference Japanese 1 copy English 1 copy Safety precautions 1 copy CD ROM 1 disc 1 Factory option 2 Does not apply to specially ordered or modified PWXs 3 Limited to products that have the CE mark on their panels Not be in compliance with EMC limits unless the ferrite core is attached on the cable for connection of J1 connector 4 This is a Class equipment Be sure to ground this product s protective conductor terminal The safety of this product is only guaranteed when the product is properly grounded 5 This is a Class A equipment This product is intended for use in an industrial environment This product may cause interference if used in residential areas Such use must be avoided unless the user takes special measures to reduce electromagnetic emissions to prevent interference to the reception
126. ng the OVP and OCP trip points and the detection time of OCP activation The PWX series OVP operates according to the output terminal voltage If you want to acti vate the protection function according to the voltage across the load take the voltage drop in the load cable into consideration when you set the OVP trip point 0 37 p 48 You can use the CONFIG settings to limit the set OVP CF15 and the set OCP CF14 You can use the CONFIG settings to set the detection time of the OCP activation CF13 OCP trip point OVP trip point OVP and OCP trip point displays 1 Press OCP OVP The OCPeOVP key lights and the OVP trip point and OCP trip point are displayed in the display area 2 While viewing the panel display turn the VOLTAGE knob to set the OVP trip point or the CURRENT knob to set the OCP trip point OVP setting range 10 to 112 of the rated output voltage OCP setting range 10 to 112 of the rated output current LF L type MLF ML type MHF MH type HF H type OVP setting 3 V to 33 6 V 8 V to 89 6 V 23 V to 257 6 V 65 V to 728 V OCP setting 750W 7 5Ato 84A 2 8 A to 31 36 A 1Ato11 2A 0 35 A to 3 92 A 1500W 15A to 168 0 A 5 6 A to 62 72A 2 Ato 22 4 A 0 7 A to 7 84 A Press OCP OVP twice to finalize the settings The OCPeOVP key turns off and the PWX series returns to the measured value display 38 PWX Protection Functions and Alarms PWX E Checking OVP and OCP operation The OVP and OCP fu
127. not meet the specifications of the PWX series To reduce the influence of noise on the output connect a 2 core shielded wire or a twisted pair wire across Vext and keep the wire as short as possible If the wiring between the PWX series 2 core shielded wire or twisted pair wire PWX and the external contact is long it becomes easy for noise to influence the operation of the PWX series Even if you use cables that are designed to suppress noise the PWX series may not operate properly External Control Q 67 68 Controlling the Output Current If you use a shielded cable connect the shield to the negative output terminal If the shield needs to be connected to the Vext side see Cautions when using the external voltage Vext Use pins 21 and 23 of the J1 connector Control using an external resistance Rext By using an external resistance Rext to change the reference voltage s voltage divider ratio you can change the output current lo in the range of 0 to the 105 of the rated output cur rent Irtg To use an external resistance Rext to control the output current set the CC control using an external voltage or an external resistance in the CONFIG settings so that external voltage control is enabled CF05 on The output current lo varies in the range of O to the rated output current Irtg when the external voltage Vext is changed in the range of 0 V to 5 V CF07 Lo or in the r
128. nt MAX 100 ppm C during external control Current Setting range OAto157 5A O A to 58 8 A OAto21A 0 A to 7 35 A Setting accuracy 0 5 of set 0 1 of rtg Line regulation 17 mA 7 6 mA 4 mA 2 7mA Load regulation 35 mA 16 2 mA 9 mA 6 4 mA Ripple noise rms 7 300 mA 130 mA 60 mA 30 mA Temperature coefficient TYP 9 100 ppm C 1 The maximum output voltage and current are limited by the maximum output power 2 85 Vac to 135 Vac or 170 Vac to 265 Vac fixed load 3 The amount of change that occurs when the load is changed from no load to rated load rated output power rated output voltage with rated output voltage The value is measured at the sensing point 4 The amount of time required for the output voltage to return to a value within rated output voltage 0 1 10 mV The load current fluctuation is 50 to 100 of the maximum current with the set output voltage OODONOW Oo Measured using an RC 9131B 1 1 probe that conforms to the JEITA specifications At the rated output current When the measurement frequency bandwidth is 10 Hz to 20 MHz When the measurement frequency bandwidth is 5 Hz to 1 MHz When the breeder circuit on off setting is on When the ambient temperature is within 0 C and 50 C For the PWX1500H in the range of 0 2 to 100 of the rated current When the output voltage is 10 to 100 of the rating At the rated output current Specifications gt 103 PWX1500L
129. ntact to turn the output off This parameter is applied when you turn the POWER switch off and on You can only specify this parameter when the PWX series is being used as a master unit Value Parameter description SAFE The settings that were in use immediately before the POWER switch was turned off are used The output is off factory default setting Auto The settings that were in use immediately before the POWER switch was turned off are used This includes whether output was on or off Forc The settings that were in use immediately before the POWER switch was turned off are used The output is turned on Basic Functions CONFIG Settings CF03 Method for clearing OHP FAN and AC FAIL alarms Sets the method for clearing alarms when overheat protection OHP fan failure protection FAN or low AC input protection AC FAIL has been activated You cannot set this parame ter separately for each protection function 0 40 When you select Auto if the overheat protection function OHP has been activated output sa ia will turn on again automatically when the internal temperature drops to a normal level How ever if you do not fix the problem that caused the alarm to occur the alarm will occur again which will force you to clear the alarm again The overheat protection devices have long ser vice lives approximately 100000 uses but if they reach the end of their service lives they will stop operating To ma
130. of radio and television broadcasts 6 This is a Group 1 equipment This product does not generate and or use intentionally radio frequency energy in the form of electromagnetic radiation inductive and or capacitive coupling for the treatment of material or inspection analysis purpose Dimensions M3 screw holes x 4 Max screw insertion depth 8 mm 0 31 inches PWX T Ge a 2 o P3 I 3 b pa 2 e p Tt pem oO vt p g o iz o d a n e gS b D c 70 2 76 368 14 49 62 2 44 Ana a MAX580 22 83 MAX485 19 09 oR amp MAX35 1 38 500 19 69 p 5 co o 422 8 16 65 ae 65 8 2 59 92 3 62 92 3 62 2 Uo 15 0 59 2 I a fe J aoe Y 4 ee ee a sh N 8 M4 screw holes x 4 10 32 screw holes x 6 2 Max screw insertion depth Max screw insertion depth 2 6 mm 0 31 inches 8 mm 0 31 inches PWX series 750W model outline drawing unit mm inches Specifications 101 1500W model AC input PWX1500L PWX1500ML PWX1500MH PWX1500H Nominal input rating 100 Vac to 240 Vac 50 Hz to 60 Hz single phase Input voltage range 85 Vac to 265 Vac Input frequency range 47 Hz to 63 Hz Power MAX 3 Current MAX 100 Vac 21A 2
131. om the master unit Status monitors You can monitor the status of the following items from the master unit and from the slave unit constant voltage mode CV STATUS constant current mode CC STATUS output on POWER switch on and alarms Remote sensing 23 To perform remote sensing connect the PWX series in series and then connect the sensing P cables to them as shown in the following figure If the sensing cables are not connected properly the load may be exposed to excessive CAUTION A voltage and the PWX series may be damaged When the load cables are distributed over longer distance the phase shifting due to wiring inductance and capacitance may go beyond the limit and result in oscillation To prevent such oscillation connect an electrolytic capacitor with several hundreds to several tens of thousands uF across the load Use an electrolytic capacitor with a withstand voltage that is 120 or more of the total of the rated output voltages of the PWX series that are connected in series Unit 1 Output terminal G Connect an electrolytic capacitor across the load as necessary Chassis terminal Sensing terminal 7 2 6X Connecting the sensing cables during series operation Alarm All the alarms that are detected on a single unit are also detected during series operation You can use the CONFIG settings to specify what happens when the output is turned off because an alarm is detected You c
132. otective circuits are connected to match the polarity of the input terminal Be sure to connect the L N and GND terminals of the product to the matching terminals on the switchboard Installation and Preparation NOTE We recommend that you use one of the optional specialized power cords to connect to the AC power line If you will not use one of these power cords use an appropriate power cord with a length of 3 m or less that has been selected by a qualified technician If obtaining a power cord is difficult contact your Kikusui agent or distributor e In an emergency turn off the switchboard breaker to disconnect the product from the AC power line E Switchboard breaker requirements e Rated current 30 A for safety breakers whose rated current exceeds 30 A cannot be used e Only use the breaker with this product Keep the breaker readily accessible at all times e Indicate that the breaker is dedicated for use with this product and that it is used to disconnect the product from the AC power line Breaker indication example PWX1500ML only PWX1500ML Power cord PWX1500ML dedicated breaker Switchboard m Necessary cable Vinyl cabtire cable VCTF Nominal cross sectional area 5 5 mm 3 core Finished diameter 12 1 mm or less Rated voltage 250 V or higher Input terminal end Ring terminal 5 5 4 5 5 mm M4 PWX eeeee 14 Connecting the Power Cord E Connection pro
133. output on automati cally when the problem that caused the alarm is fixed CF03 Auto or to leave the output turned off when the problem that caused the alarm is fixed CF03 SAFE This parameter is the same for the OHP FAN and AC FAIL alarms You cannot set this parameter sepa rately for each protection function The ALARM LED in the front panel display area lights 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 LED in the front panel display area blinks only when a protection function has been activated when the output is on If a protection function is activated when the output is on the ALARM LED lights and the OUTPUT LED blinks in orange If the PWX series is set so that output turns on automatically after the problem that caused the alarm is fixed CF03 Auto the output is turned on and the OUTPUT LED lights automatically when the problem that caused the alarm is fixed If the PWX series is set so that output remains off even after the problem is fixed CF03 SAFE output remains off even after the problem that caused the alarm is fixed The alarm signal is generated from pin 14 of the J1 connector when the OVP OVP2 OCP OHP OHP2 FAN SEN AC FAIL SD WATCHDOG has been activated NOTE When a CONFIG parameter is being displayed only the ALARM LED turns on the cause
134. owing two types of isolated analog interface options are available E Voltage control You can control by using an external voltage You can set the output voltage set the output current and perform monitoring by using 0 V to 5 V signals or 0 V to 10 V signals Current control You can control by using an external current You can set the output voltage set the output current and perform monitoring by using 4 mA to 20 mA signals e 112 PWX Isolated Analog Interface Connector CAUTION When using the isolated analog interface do not apply signals to VPGM pin 22 and IPGM pin 21 of the J1 connector If you do the connected device may malfunction or the PWX may not operate properly The other functions of the J1 connector can be used normally For details on the J1 connec tor functions see About the J1 Connector on page 60 When the PWX series is shipped from the factory connectors are attached to the Isolated Analog Interface terminals If they are damaged or lost contact your Kikusui agent or distributor P1 84 61 8209 The isolated analog interface connector which is on the rear panel can be split into two parts the socket attached to the PWX and the detachable plug To minimize the influence of noise we recommend that you use shielded twisted pair wires to make connections Socket MC1 5 9 G 3 5 Phoenix Contact SS ee Detachable plug for wiring MC1 5 9 ST 3 5 Phoenix Contact
135. panel Measured Value Display and Setting Display The voltage and current displays have the following two states e Measured value display e Setting display In addition to the voltmeter and ammeter the PWX series can display the power the set OVP or OCP and the system configuration Measured value display The present output voltage and output current are displayed In this situation the SET key LED is off You can change the output voltage and output current in the measured value display E XI T ZATON Hmm T PRESET LOCK REMOTE LAN OUTPUT SET OCP OVP CONF PWADSPL LOCAL SHIFT FINE ee ts cA Ea cs ES FINE ALMCLR__A G LOCK m 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 the measured output current When the power is being displayed the PWR DSPL key lights Press PWR DSPL again to turn off the LED and return to the measured value display REGULATED DC POWER SUPPLY T ale CURRENT VOLTAGE _ OCK REMOTE L OUTPUT SET OCP OVP EN Eg FINE ce a aa Ce eaa FINE amer AB oS Lit Setting display Press SET to light its LED and display the present output voltage and output current settings Press SET again to return to the measured value display D DC Pi m LXI CURRENT VOLTAGE ma SET LAN gA CK REMOTE OUTPSS a Tce OVP ONES NEOS P LOCAL e FINE
136. pth 8 mm 0 31 inches T sp GT oy l li 3 b 5 be oO P te Q p vt o e B oe g J se St oO C 70 2 76 368 14 49 62 2 44 aoe MAX580 22 83 os a MAX485 19 09 es 3 MAX35 1 38 500 19 69 422 8 16 65 lg ans 65 8 2 59 92 ai 92 ee 2 i v 3 N 15 0 59 e O nae e N O EEEN al 5 sH 3 Bah N 8 M4 screw holes x 4 10 32 screw holes x 6 e Max screw insertion depth Max screw insertion depth 6 mm 0 31 inches 8 mm 0 31 inches PWX series 1500W model outline drawing unit mm inches e 110 PWX o Isolated Analog Interface Factory option This chapter describes the setup and oper ations of the isolated analog interface Introduction The isolated analog interface is an internal option card that makes it possible to use analog signals to control the PWX Series This option is installed inside the PWX before shipment You can use a signal that is isolated from the reference potential of the PWX to perform the following the following types of control e Output voltage control e Output current control e Turning output on and off using an external contact e Output shutdown control using an external contact e Output voltage monitoring e Output current monitoring The foll
137. put voltage and output current while you view their actual settings You cannot set 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 not change even if you turn the CURRENT or VOLT AGE knob In this situation the values are being changed at a finer resolution that which is being displayed The display will change when the amount that you change the value by reaches the smallest display digit of the set voltage or current E Fine adjustment You can change the resolution of the VOLTAGE and CURRENT knobs Hold down SHIFT while you turn the VOLTAGE knob or CURRENT knob to make small changes to the value Basic Functions N 30 Output Operations The output turns on and off each time you press OUTPUT When output is on the OUTPUT LED in the display area lights When the output is off the OUTPUT LED in the display area turns off When the output is on output is generated at the present set values If you change the settings while the output is on the changes are applied immediately to the output If the output is off the setting display will appear the SET key lights as soon as you change the settings Then you can press OUTPUT to output using the new settings p 48 p 69 You can use external control to turn the output on and off ee You can use the CONFIG settings to set the
138. rameter description SCPi The SCPI language will be used factory default setting LGCy Legacy languages will be used CF22 Emulation parameter during remote control Selects the emulation that is used during remote control If you have set the command 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 Value Parameter description nonE Remote control is performed using the PWX series commands made by Kikusui factory default setting 5700 Remote control is performed using the N5700 N8700 commands made by Agilent Technologies GEn Remote control is performed using the Genesys series commands made by TDK Lambda PAG Remote control is performed using the PAG series commands made by Kikusui DCS Remote control is performed using the DCS series commands made by Sorensen Basic Functions N 49 CONFIG Settings CF23 SCPI communication error display parameter Selects whether to display communication errors The errors are only displayed when you are using the SCPI language Value Parameter description oFF SCPI communication errors are not displayed factory default setting on SCPI communication errors are displayed CF24 Multichannel VMCB domain number parameter Set the multichannel domain number PWXs that have the same domain number perform multichannel operations If you do not want to use the multich
139. re PWX ahanacannnnnz Approximately the same electric potential as 2 the negative output terminal Output is shorted by the grounding of Vext causing current to flow A connection in which the output is shorted by the grounding of Vext example of a prohib ited connection Vext 2 core shielded wire PWX Rs eae O Approximately the same electric potential as Prohibited x the negative output terminal I Output is shorted by the shield causing current to flow Ground the positive output terminal A connection in which the output is shorted by the shield example of a prohibited connec tion PWX Controlling the Output Voltage This section explains how to control the output voltage using an external voltage Vext or an external variable resistor Rext of approximately 10 kQ If no load is connected it takes some time for the output voltage to decrease IMG Risk of electric shock The insulation of Vext or Rext and the connected cable must be greater than or equal to the isolation voltage of the PWX series For the isolation voltage of each model Specifications on page 91 When using shielded cables for the connection protect the uncovered sections of the shielded cable by using insulation tubes whose withstand voltage is greater than the PWX series isolation voltage Control using an external voltage Vext PWX To use an external voltage
140. rm If an alarm is detected the units behave as follows Master unit If an alarm is detected on the master unit output of each slave unit is turned off and then the output of 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 You can use the CONFIG settings to specify what happens when the output is turned off because an alarm is detected You can select to turn the output on automatically when the problem that caused the alarm is fixed CF03 Auto or to leave the output turned off when the problem is fixed CF03 SAFE This parameter only applies to the OHP FAN and AC FAIL errors E Clearing alarms To clear alarms 1 press ALM CLR SHIFT SET 2 set pin 5 of the J1 connector to LOW 0 V to 0 5 V or shorted or 3 turn off the slave units turn off the master unit fix the problem that caused the alarm turn on the slave units and then turn on the master unit Parallel Series Operation gt 77 Master Slave Parallel Operation Connection master slave parallel operation You can connect up to four units including the master unit Connecting the signal cables parallel operation Use the J1 connector to make the connections for parallel operation The cables that are required to make the connection are not included For details see About the J1 Connector If
141. rmware version display LOOK REMOTE LAN Version 1 00 in this example OUTPUT SET OCPOVP CONG PWROSPL LOCAL PEIA m a a a a a AMCA A T Lock REMOTE LAN Build number BLD 0120 in this example mE EEA KLEJ Lt Build number display peer peg LXI Interf displ a CEFN LL Any la the TAN rece is selected in this example OUTPUT SET OCP OVP CONFIG PWRDSPL LOCAL PEIS mn Om oa ES e ES e PA no Ameir AB LOK E Inrush current When the POWER switch is turned on an inrush current of up to 70 A flows Check that suffi cient current capacity is available in the AC power line or the switchboard particularly if you are using multiple PWX series and turning on their POWER switches simultaneously Installation and Preparation 15 16 Rack Mounting Turning the POWER switch Off Z CAUTION Flip the POWER switch to the O side to turn the PWX series off The PWX series saves the panel settings except the output on off setting that were in use immediately before the POWER switch was turned off You can use the CONFIG settings CF02 to select how the PWX series starts when the POWER switch is turned on If the POWER switch is turned off immediately after the settings have been changed the last settings may not be stored After you turn the POWER switch off wait at least 10 seconds after the panel display turns off before you turn the POWER switch back on Repeatedly turning the POWER switch on and off at short in
142. rtg in V External resistance Rext connection For Rext use a resistor that is rated at aore shielded wird OF approximately 10 kQ 1 2 W or greater Wiper twisted pair wire PWX that has a low temperature coefficient and that will change little over time Examples of such resistors are metal poy film or wire wound resistors ae eee To reduce the influence of noise on the output connect a 2 core shielded wire or a twisted pair wire across Rext and keep the wire as short as possible If the wiring between the PWX series and the external contact is long it becomes easy for noise to influence the operation of the PWX series Even if you use cables that are designed to suppress noise the PWX series may not operate properly If you use a shielded cable connect the shield to the negative output terminal Use pins 20 22 and 23 of the J1 connector Output terminals PWX Controlling the Output Current N WARNING This section explains how to control the output current using an external voltage Vext or an external variable resistor of approximately 10 KQ Rext Risk of electric shock The insulation of Vext or Rext and the connected cable must be greater than or equal than or equal to the isolation voltage of the PWX series For the isolation voltage of each model Specifications on page 91 When using shielded cables for the connection protect the uncovered sections of the shielded cable by us
143. s Turn the output on using a LOW 0 V to 0 5 V or short circuit turn the output off using a HIGH 4 5 V to 5 V or open circuit 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 0 5 V or short circuit Alarm clear control ALM CLR Clears alarms with a LOW 0 V to 0 5 V or short circuit 1 J1 connector on the rear panel Other features Common Master slave parallel operation Including the master unit up to four units all the same model can be connected Series operation Up to two units all the same model can be connected Preset memory Up to three sets of the following settings can be saved the set voltage the set current the set OVP the set OCP and the set UVL Key lock Locks the operation of all keys other than the OUTPUT key Multichannel Between master unit and PC LAN USB RS232C VMCB Slave unit LAN 1 Excluding the PWX750HF Specifications gt 97 98 PWX750LF PWX750MLF PWX750MHF PWX750HF Interface Common Common Software protocol IEEE Std 488 2 1992 specifications Command language Complies with SCPI Specification 1999 0 Has a compatibility mode switchable 1 Genesys series made by TDK Lambda e N5700 and N8700 made by Agil
144. s ALARM Incorrect sensing connection protection SENSE Turns the output off displays SENS and lights ALARM Low AC input protection AC FAIL Turns the output off 2 displays AC and lights ALARM Shutdown SD Turns the output off displays SD and lights ALARM Power limit POWER LIMIT Value fixed 1575 0 approx 105 of the rated output power Lights ALARM Communication monitoring WATCHDOG Turns the output off displays DOG and lights ALARM This does not protect against the discharge current peak that is generated from the capacitors inside the PWX output section when the load is changed suddenly 2 Use the CONFIG settings to specify what happens when a protection function is activated and the output is turned off You can select to turn the output on automatically when the problem that caused the alarm is fixed CF03 Auto or to leave the output turned off when the problem that caused the alarm is fixed 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 Signal output Common Monitor Voltage monitor VMON Selectable monitor voltage range 0 V to 5 V or 0 V to 10 V signal output Setting accuracy 2 5 of rtg Current monitor IMON Selectable monitor voltage range 0 V to 5 V or 0 V to 10 V Setting accuracy 2 5 of rtg Status signal OUT
145. s being used as a master unit 2 0 V to 0 5 V or shorted PWX External Control This chapter explains external control and external monitoring using the J1 connector 60 Overview You can use the J1 connector on the rear panel of the PWX series to perform the following types of external control Output voltage control Controlled using an external voltage or external resistance Output current control Controlled using an external voltage or external resistance Turning output on and off using an external contact Output shutdown control using an external contact Clearing alarms using an external contact Monitoring operation modes About the J1 Connector PWX750MHF PWX750HF PWX1500MH and PWX1500H models with CE marking are factory shipped with a terminal cover attached to the J1 1 connector h Plug kit 749809 9 DB25 is included for connecting to the J1 connector The plug kit is constructed of connector parts made by AMP Simple pressure welding tools 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 tools or replacement parts contact your Kikusui agent or distributor Attaching the USB cable core To connect to the J1 connector requires a core on the cable for connection The core is not included Use an appropriate core Recommended core
146. s manual explains Panel description and operation briefly Em Communication Interface Manual HTML partially PDF This manual contains details about using commands to con trol the product remotely It also contains details about the multichannel function Virtual Multi Channel Bus which makes it possible to control up to 31 PWXs from a single PC The interface manual is written for readers with sufficient basic knowledge of how to control power supplies using a PC The command list is provided in PDF format PDF and HTML files are included in the accompanying CD ROM Adobe Reader 6 0 or later is required to view the PDF files Microsoft Internet Explorer 6 0 or later is required to view the HTML files If you find any misplaced or missing pages in the manuals they will be replaced If the manual gets 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 written on the front cover of this manual Every effort has been made to ensure the accuracy of this manual However if you have any questions or find any errors or omissions please contact your Kikusui agent or distributor After you have finished reading this manual store it so that you can use it for reference at any time Firmware versions that this manual covers This manual covers firmware versions 2 2X When contact
147. setting A INTER CF20 Remote interface parameter v B FACE CF21 Command language parameter v B CF22 Emulation parameter during remote control v B CF23 SCPI communication error display parameter M A CF24 Multichannel VMCB domain number parameter M B CF25 Multichannel VMCB channel number M B LAN CF30 DHCP parameter v BorC CF31 AUTO IP address parameter v BorC CF32 MANUAL IP address parameter v Borc CF33 Resets the LAN interface settings LCI v A CF34 Restarts the LAN interface REBOOT v A CF35 IP address display 1 v CF36 IP address display 2 v CF37 IP address display 3 v CF38 IP address display 4 v CF39 MAC address display 1 and 2 v CF40 MAC address display 3 and 4 v CF41 MAC address display 5 and 6 M CF42 SCPI RAW protocol TCP port number v Borc USB CF50 VID vendor ID display v CF51 PID product ID display v RS232C CF60 RS232C baud rate parameter M B 1 You can only specify this parameter when the PWX series is being used as a master unit PWX CONFIG Settings Jr Memo Press CONFIG or turn the CURRENT knob to switch between the parameter numbers These two methods switch between the parameter numbers differently PWX Setting and viewing CONFIG parameters CONFIG key CURRENT knob CONFIG key CONFIG key 4 CONFIG key 4 CONFIG key VOLTAGE knob Used to selectth
148. t or the electronic version of the document on the CD ROM How do connect the AC power supply gt Connecting the Power Cord What kind of load cables should use Load Cables How do ensure stable voltage when the Sensing cables connected to the load are long the distance to the load is long How do rack mount the PWX series Rack Mounting What kind of parts are needed How do use remote sensing to stabilize Sensing the PWX series How do I set the protection functions to Protection Functions and Alarms prevent damage to the load After a protection function has been acti Alarm occurrence and clearing alarms vated how do restart tests automatically when the cause of the alarm is fixed How do I set the communication condi See the Communication Interface Man tions for remote control ual on the CD ROM How do I check the settings in preset Recalling preset memory entries memory How do I reset the PWX series to its fac Factory Default Settings Initialization tory default settings How do I use the multichannel VMCB gt See the Communication Interface Man function to construct a multichannel power ual on the CD ROM supply system How do use the PWX series as a con Using the PWX series as a CV or CC stant voltage power supply CV mode Power Supply How do use the PWX series as
149. te level Using the current control interface See 42 1 Use the CONFIG settings to set the following parameters CONFIG parameter Setting CFOS CC control using an external voltage n or external resistance CV control using an external voltage CF06 on or external resistance CF09 External control parameter for turning aii output on and off CF07 CC or CV control range Hi 0 V to 10 V CF08 Range during voltage and current Hi 0 V to 10 V monitoring CF10 External control logic parameter for Lo low level signal to turn the output on or turning output on and off Hi high level signal to turn the output on 1 LOW OV to 0 5 V or shorted HIGH 4 5 V to 5 V or open Connect the external current source to the isolated analog interface con nector Check that the current polarity is correct Set the applied current to the appropriate level PWX Appendix ptions A Options The PWX series has the following options For information about options contact your Kiku sui agent or distributor Rack mount option The PWX series can be used with JIS millimeter racks and EIA inch racks 0008 9 G G 7 rl Rack mount Support Angle q KRB1 PWX SUPPORT ANGLE You can use rack mount slide rails CC3001 00 S160 to mount the PWX series to a rack Slide rail for rack mounting CC3001 00 S160 Made by General Devices a Use 10 32 screws with a maximum length of 0 38 inches
150. tervals can cause damage to the inrush current limiter Furthermore this will shorten the service life of the POWER switch and the internal input fuse Rack Mounting You can use brackets or slide rails to mount the PWX series to a rack When you mount the PWX series to a rack install the optional support angles KRB1 PWX SUPPORT ANGLE to support the PWX series We recommend that you keep all pieces that you remove from the PWX series You will need these pieces if you remove the PWX series from the rack When using several PWX series power supplies together such as for master slave parallel operation or series operation mount them to a rack before use You can mount the PWX series to the Kikusui KRC series and KRO series racks PWX Load Considerations PWX Note that the output will become unstable if the following types of loads are connected Loads with peak current or pulse shaped current The PWX series only indicates mean values Even when the indicated value is less than or equal to the set constant current the peak values may exceed the set constant current If this happens the PWX series is instantaneously put into constant current mode and the output voltage drops For these types of loads you must increase the set constant current or increase the current capacity Set constant current Set constant current tie Ammeter reading mean value Ammeter reading mean value Load current with pe
151. th rated output current are as follows Maximum output current with rated output voltage Rated output power rated output voltage Maximum output voltage with rated output current Rated output power rated output current Rated load and no load are defined as follows In constant voltage mode when the output current is set to a value greater than or equal to the max imum output current with rated output voltage Rated load Refers to a resistive load that when the rated output voltage is applied makes the flowing current 95 to 100 of the maximum output current with rated output voltage No load Refers to a load through which no output current flows In other words refers to an open load no load being connected In constant current mode when the output voltage is set to a value greater than or equal to the max imum output voltage with rated output current Rated load Refers to a resistive load that when the rated output current flows makes the voltage drop to 95 to 100 of the maximum output voltage with rated output current Including the voltage drop in the load cables the PWX output voltage must not exceed the maximum output voltage with rated output current No load Refers to a resistive load that when the rated output current flows makes the voltage drop to 10 of the maximum output voltage with rated output current or 1 V whichever is higher The specifications of the PWX apply to the rear panel output terminals
152. ts when you turn the POWER switch on Depending on the setting the output may be turned on automatically when the POWER switch is turned on In case that you connect a load without setting OVP and OCP to the appropriate values the load may be damaged if output automatically turns on at the PWX series power on When you turn the POWER switch on for the first time after purchase the PWX series starts with its factory default settings Subsequent times that you turn the PWX series on it starts with the panel settings excluding the output on off setting that were in use immediately before the POWER switch was turned off You can use the CONFIG settings CF02 to select how the PWX series starts when the POWER switch is turned on 1 Check that the power cord is connected correctly 2 Check that the OUTPUT terminal cover is attached When the product is shipped from the factory the OUTPUT terminal cover is not attached 3 Turn the POWER switch on l All the LEDs light and then the voltmeter and the ammeter display the following sequence of information the rated voltage and rated current the firmware version number the build number and then the selected interface Each item is displayed for approximately 1 second After a few seconds the PWX series enters the operation standby state the output value is displayed cc f LXI Rated volt d rated t displ E LLEN e Ihe PWX750MLF is being used in this example cunRENT gy Fi
153. tus pressed PWX Troubleshooting Unable to perform remote control Symptom Items to Check Remedy See Remote control through the Have you selected the communication Select the remote control communication p 49 communication interface can interface that you want to use in the CON interface CF20 not be performed FIG settings When the LAN interface is in Is the LAN LED lit in orange or red If it is lit in orange the PWX series is wait p 50 use the IP address cannot be ing for a response from the DHCP server obtained from the DHCP If it turns red afterward the PWX series server may have timed out Consult your network administrator Unable to control functions properly Symptom Items to Check Remedy The breeder on off function Are you using master slave parallel opera When using master slave parallel opera p 47 does not work tion or series operation tion or series operation set the breeder on off settings CF11 of all connected units to the same value PWX 121 122 This page is intentionally blank PWX Index A ACCESSONOS Yaraa eaae E ae ERES 2 AG RAIL E E al avalide A anaseves tetany 41 alarm Clearing sisi lee ae 37 GISDIAY APEE E E E 37 alarm OCCUrrence ccccceeeeneceeeeseeeeeeeeeseeneeeeneneeees 36 alr signal asicetscse tevcccceesseetsaleepeed eusdeeesesbecescemeeaeee 37 B bleeder on off 0 0 eeeeseeeeeeeeeneeeceeseeneeeeeeeeesaeneeeeeees 47 Cc CC CONIO
154. u can set one unit as the master unit and control the remaining units as slave units Setting preset feature You can save up to three sets of output settings the combi nation of the voltage value and current value You can sim ply select a set of output settings that you want to use rather than having to specify each setting every time Automatic output on setting You can set the PWX series so that when a protection func tion is activated and the output is turned off output is auto matically turned back on when the problem that caused the protection function to be activated 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 to turn off Overcurrent protection OCP detection time setting You can set a detection time which is the amount of time that an overcurrent must persist after the first detection of the overcurrent before the overcurrent protection OCP is activated By setting the detection time you can prevent an alarm from occurring when an inrush current from the EUT connected to the output causes an excessive current to flow temporarily Bleeder on off feature You can turn the bleeder circuit on and off Turn the bleeder circuit off when you do not want the internal bleeder circuit to sink output current When you connect a battery you can prevent excessive electrical
155. unctions N 37 Protection Functions and Alarms Overvoltage protection OVP overvoltage protection 2 OVP2 and overcurrent protection OCP The overvoltage protection OVP function is activated under the following conditions e When the output terminal voltage exceeds the set voltage OVP trip point When the load or the PWX series is malfunctioning 0 36 The overvoltage protection 2 OVP2 function is activated under the following conditions e When the output terminal voltage exceeds 120 of the rated output voltage when a voltage is being applied from an external source e When the load or the PWX series is malfunctioning If OVP2 is activated turn the POWER switch off and on CURRENT H INE ul g VOLTAGE ima REMOTE LAN Alarm when OVP2 has tE e FH been activated Lock ce Aw PRESI 3 PE cone E CN The overcurrent protection function OCP is activated under the following conditions e When the output current exceeds the set current OCP trip point e When the load or the PWX series is malfunctioning Set the OVP and OCP trip points to appropriate values Immediately after you purchase the PWX series or immediately after a load is changed you have to set 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 LF L type MLF ML type MHF MH type HF H type OVP2 trip point 36 V 96 V 276 V 780 V E Setti
156. ut terminal Use the screw on the PWX to connect the wire to the chassis terminal Use the screw on the output terminal to connect the wire to the output terminal Target model PWX750LF ee PWX750MLF ok PWX1500L o pasa Screw M3 Chassis SS M4 PWX1500ML y anaes connection wire Target model PWX750MHF il H PWX750HF i li G l pe Chassis SGrew M es connection wire een PWX Connecting to the Output Terminals Memo If you do not connect load cables in the correct orientation you will not be able to attach the OUTPUT terminal cover PWX 3 Attach crimping terminals to the load cables The output terminals have holes for connecting the load cables Use crimping terminals that are appropriate for the bolts that you are using 4 Use the included bolt set to connect 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 The orientation of the crimping terminals will vary depending on the wire diameter of the load cables used Crimping terminal Bolt M8 Connection using the M8 bolt set Washer Examples for 10 to 618 wires Target model PWX750LF PWX750MLF PWX1500L PWX1500ML pour Crimping terminal Bolt M5 Connection using the M5 bolt set Washer Examples for up to 910 wires Spring washer gv Target model PWX750MHF PWX750HF PWX1
157. y prioritized To use the PWX series as a standalone unit or master unit after using it as a slave unit set the operation mode that you want to use If you do not set the operation mode CC will be prioritized When the output is turned on the internal capacitors are charged Depending on the set current the PMX750ML may enter CC mode for an instant Basic Functions 35 36 Protection Functions and Alarms The PWX series is equipped with the following protection functions Overvoltage protection OVP Overvoltage protection 2 OVP2 Overcurrent protection OCP e Undervoltage limit UVL Overheat protection OHP e Overheat protection 2 OHP2 Fan failure protection FAN Incorrect sensing connection protection SENSE Low AC input protection AC FAIL Shutdown SD Power limit POWER LIMIT Communication monitoring WATCHDOG Alarm occurrence and clearing alarms Alarm occurrence When a protection function has been activated the PMX750ML behaves as follows REGULATED DG POWER SUPPLY AN E i JoHa F i j TA Noten ual M Alarm indication when aa E a _ 7 FIN ne BS OHP has been activated Lit CURRENT j Alarm indication when OHP has been Blinking in orange 27 PE AEN SS a 7 activated with the output on p 46 The output turns off For the overheat protection OHP fan failure protection FAN and low AC input protec tion AC FAIL you can use the CONFIG settings to select to turn the

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