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User`s Manual

1. ja 1 el 2 C o Y o C al 2 S X EI Ki H e e o UJ TT x gt PVKIB24PVKIB5A Ww oS PMX35 1A PMX35 3A Diameter 21 x 4 M3 screw holes x 4 Rubber foot diameter Max screw insertion depth 4 mm 0 16 inches og De 7 s 4 e eg a e A r e e b o oc I oS 57 2 24 230 9 06 MAX355 13 98 MAX25 107 4 21 0 98 315 12 40 gt 1 1 A Olg 8 C o 9 0 00000 Q K o Cl al 2 Cer X H ERE d al d e e SE KI TT CN PMX70 1A PMX110 0 6A 1 pi PMX250 0 25A PMX350 0 2A SS PMX500 0 1A PMX A series outline drawing Unit mm inch PMX Appendix A Options B Troubleshooting A Options The PMX series has the following options For information about options contact your Kikusui agent or distributor Rack mount option Name Model Note Rack mount adapter KRA3 For EIA inch racks KRA150 For JIS millimeter racks Blank panel KBP3 2 1 2 width KBP3 4 1 4 width For both EIA inch racks and JIS millimeter racks BP191 M For EIA inch racks BP1H M For JIS millimeter racks 1 The M at the end of the model name indicates a mesh type 149 5 87 100 8 94 7 FK 24 5 0 96 86 Unit mm inches KRA3 KRA150 PMX Connector kit OP01 PMX 749809 9 DB25 A connector kit for connecting to the J1 connector to externally control the PMX A terminal unit for con
2. PART NO 1B027382 GKIKUSUI vz User s Manual Regulated DC Power Supply PMX Series PMX18 2A PMX18 5A PMX35 1A PMX35 3A PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A Component Names 6 Preparation 9 Connecting the Power Cord 10 Turning the Power On 11 Mounting the PMX Series to a Rack 12 Load Considerations 13 Load Cables 16 Connecting to the Output Terminals 17 Sensing 18 Basic Functions 21 Measured Value Display and Setting Display 22 Panel Operations 23 Output Operations 23 CC Power Supply and CC Power Supply 24 Using the PMX Series as a CV or CC Power Supply 26 Protection Functions and Alarms 27 CONFIG Settings 31 Preset Memory Function 39 Locking Panel Controls Key lock 41 Switching from Remote Mode to Local Mode 41 Factory Default Settings Initialization 42 External Control 43 General Description 44 About the J1 Connector 44 Output Terminal Insulation 46 Output Voltage Control 49 Output Current Control 51 Controlling the Output On and Off States 53 External Monitoring 55 Parallel Series Operation 57 Parallel Operation 58 Series Operation 61 Maintenance 65 Calibration 66 Specifications 71 Appendix Options 86 Troubleshooting 88 Thank you for purchasing the PMX Series Regulated DC Power Supply About the PMX Manuals These manuals are intended for users of the Regulated DC Power Supply and their instructors It is assumed that the reader
3. mae 42 firmware version nmiienerennnenennaneneanaenannanea 2 TOME PANS o 6 l initialization 42 IP address display mmemmeneenneenae 38 IP address auto nnnninnnnneeeenene enne 37 IP address manual au 37 J J1 connector pin arrangement ssssse 45 K key lock function eese 41 L LAN interface resetting niiin a e 38 E E 38 M MAC address display 0 nnennenenanenaea 38 memory contents display mmns 35 O OCP eege 28 PMX ORP m ER 30 output on and off external control seeessssssssss 36 external control logic 36 output on startup state sssssussss 36 OVES a E PE a MIL 28 P DowWer orn status nete ri i 35 product ID display areeaenenennn 39 protection function overcurrent protection 28 overheat protection m 30 overvoltage protection 28 R rear panel iiienenenaanaannmenaannaanaannaanaannana 8 remote interface ninemeneannannaaneaa aaa 37 remote sensing een 18 S SCPI communication error display 37 settings r
4. B Limitations of the remote sensing 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 PMX series has a sensing function that compensates for this voltage drop up to approximately 0 6 V for a single line If the voltage drop exceeds this level use wires that have a greater cross sectional area PMX Connecting to the Output Terminals PMX A WARNING When the PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A and PMX500 0 1A are shipped from the factory covers are attached to the output terminals If they are damaged or lost contact your Kiku sui agent or distributor Risk of electric shock Turn the POWER switch off before you touch the OUTPUT terminals Do not use them with the terminal cover removed 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 1 Turn the POWER switch off 2 Attach crimping terminals to the load cables 3 Remove the knobs or output terminal cover and Knobs and attach the load cables to the output terminals 4 Attach the knobs or output terminal cover and Knobs Models whose rated output voltage is 18 V or 35 V Output terminal Knob J M6 crimping terminal gm G en Output terminal E d l M6 crimping terminal Output termin
5. Changes are made at increments of 1 in the minimum digit on the voltme When the output is off ter or ammeter 1 Note that because smaller digits that are not displayed are also set the actual setting may be different from the displayed value Output Operations The output turns on and off each time that you press OUT se GG GIRS PUT When output is on the OUTPUT LED lights When the EB Ties output is off the OUTPUT LED turns off LII A 20 ALS Lit MENS When the output is on output is generated at the currently set iis values If you change the settings while the output is on the changes are applied to the output ALMCLR A E C SHIFT Output on 36 0 53 You can use external control to turn the output on and off ecd peste p You can use the CONFIG settings to set the output on startup state CF08 prioritize CC or CV Output on or off when the PMX series turns on By factory default the output is off when the PMX series turns on Using a CONFIG parame ter CF01 Forc you can set the PMX series so that output is turned on at power on If you set the PMX series so that output is turned on at power on be sure to check the OVP trip point setting before you turn the PMX series off If you change the load it may be damaged if the PMX series OVP and OCP settings are not CAUTION A correct PMX Basic Functions N 23 24 CC Power Supply and CC Power Supply The PMX series has features t
6. The installation space is limited so want See the included Safety information to check the installation conditions document or the electronic version of the document on the CD ROM How do connect the AC power supply 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 PMX series Mounting the PMX Series to a Rack What kind of parts are needed How do use remote sensing to stabilize Sensing the PMX series How do 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 set the communication condi See the Communication Interface Man tions for remote control ual on the included CD ROM How do check the settings in preset Recalling preset memory entries memory How do reset the PMX series to its fac Factory Default Settings Initialization p tory default settings How do use the PMX series as a con Using the PMX Series as a CV or CC stant voltage power supply CV mode Power Supply How do use the PMX series as a con stant current power
7. 3 Press SHIFT the memory key that corresponds to the memory entry that you want to save the settings to A B or C Hold the keys down until the corresponding PRESET LED turns 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 3 you can save preset memory entries when the output is on and the mea sured value display is being shown the SET key is off After you save a preset memory entry press SET to view the preset memory Basic Functions D 39 40 Preset Memory Function Recalling preset memory entries You can recall memory entries from the measured value display when the SET key is off and from the setting display when the SET key is lit On the measured value display the measured values continue to be displayed even after the recalling of the preset memory entry is complete On the setting display the settings recalled from the preset memory are displayed 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 CF02 on The other is to recall immediately with out displaying the contents CF02 o
8. PMX Turning the Power On Turning the POWER switch on Z CAUTION See p 88 p 90 PMX You can use the CONFIG settings to set how the PMX series starts 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 If you connect a load without setting OVP and OCP to the appropriate values the load may be damaged if output automatically turns on when the power is turned on When you turn the POWER switch on for the first time after purchase the PMX series starts with its factory default settings Subsequent times that you turn the PMX 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 CF01 to select the output state of the PMX series when the POWER switch is turned on 1 Check that the power cord is connected correctly 2 Turn the POWER switch on All the LEDs light and then the voltmeter and the ammeter display the following sequence of information the rated voltage and rated current the IOC firmware ver sion the IFC firmware version and then the selected interface Each item is displayed for approximately 1 second Two firmware versions IOC and IFC are displayed After a few seconds the PMX series enters the operation standby state the output value is displayed Rated voltage and ra
9. 1 MHz The time it takes for the output voltage to rise from 10 to 90 of the rating when the output is turned on The time it takes for the output voltage to fall from 90 96 to 10 96 of the rating when the output is turned off The remote sensing function is not available Specifications 79 80 PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A Display function PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A Voltage Maximum display 99 99 fixed 999 9 fixed decimal point display decimal point Display accuracy 0 5 of reading 2 digits Current Maximum display _ 9 999 fixed decimal point displa isp ay Display accuracy 1 1 96 of reading 5 digits Operation OUTPUT ON OFF Output on OUTPUT LED lights in green display Output off OUTPUT LED turns off CV operation CV LED lights in green CC operation CC LED lights in red Alarm operation ALARM LED lights in red when a protection function has been activated Remote operation 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 m
10. A PMX70 1A 7 0 Vto 77 0 V 0 1At0 1 1A PMX110 0 6A 11 0 V to 121 0 V 0 06 A to 0 66 A PMX250 0 25A 25 0 V to 275 0 V 0 025 A to 0 275 A PMX350 0 2A 35 0 V to 385 0 V 0 02 A to 0 22 A PMX500 0 1A 50 0 V to 550 0 V 0 01 Ato 0 11 A 3 Press OCP OVP to finalize the setting The OCP e OVP key turns off and the PMX series returns to the measured value dis play PMX Protection Functions and Alarms PMX B Checking OVP and OCP operation 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 to indicate that the OVP function has been activated te LN mia LII A ICK LOCAL 0 90 C SHIFT 1 2 3 Press OUTPUT to turn output on 4 OUTPUT OVP activation alarm indication 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 1 Short the output terminals Turn the POWER switch on Check that the OUTPUT LED in the display area is turned off Set the output current to a value lower than the OCP trip point Press OUTPUT to turn output on The OUTPUT LED lights Slowly turn the CURRENT knob clockwise
11. 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 When remote sensing is used connect the monitor signal s common line to the negative S terminal of the sensing terminal When remote sensing is not used connect it to the negative output terminal 2 J1 connector on the rear panel 3 Photocoupler open collector output maximum voltage 30 V maximum current sink 8 mA isolated from the output and control circuits status commons are floating isolation voltage or less and status signals are not mutually isolated Control features Common specifications External EXT V CV CONT control CV external voltage control 0 96 to 100 of the rated output voltage in the range of 0 V to 10 V Accuracy 1 of rating 10 mV EXT R CV CONT CV external re sistance control 0 96 to 100 of the rated output voltage in the range of 0 O to 10 kO Accurac EXT V CC CONT CC external voltage control Accuracy 1 of rating 10 mV 0 to 100 of the rated output current in the range of OVto 10 V 1 of rating 5 mV EXT R CC CONT CC external resistance control 0 to 100 of the rated output current in the range of 0 Ato 10 kQ Accurac 1 ofrating 5 mV OUTPUT ON OFF CONT Output on off control Possible logic selections Turn the output on using a LOW 0 V
12. CF34 Value Description oFF A DHCP server is not used on A DHCP server is used factory default setting 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 restart the LAN interface CF34 Value 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 on This parameter is applied when you turn the POWER switch off and on or when you restart the LAN interface CF34 Value Description oFF The MANUAL IP function will not be used factory default setting on The MANUAL IP function will be used PMX Basic Functions D CONFIG Settings CF33Resetting the LAN interface settings LCI This parameter resets the LAN interface settings to their factory default settings You can use this if you forget the security password or IP address Display Description LCi The LAN interface settings will be reset to their factory default setting
13. Like wise when operating in CC mode if the output voltage reaches the voltage limit the PMX series switches to CV mode PMX CC Power Supply and CC Power Supply PMX CV mode and CC mode operation example This section uses a power supply PMX35 3A with a rated output voltage of 35 V and a rated output current of 3 A as an example A load resistance RL of 60 Q is connected to the output terminals of the power supply The output voltage and output current are set to 20 V and 0 5 A respectively In this case Rc 20 V 0 5 A 40 Q Because 60 A is greater than 40 Q RL gt Roc 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 0 5 A x 60 A 30 V If you try to increase the voltage above this point the cross over point is reached and the power supply automatically switches to CC mode To maintain operations in CV mode increase the current limit Next a load resistance RL of 25 Q is connected to the output terminals of the power supply The output voltage and output current are set to 20 V and 0 5 A respectively In this case Rc 20 V 0 5 A 40 Q Because 40 Q is greater than 25 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 cur rent up to the current defined by the followin
14. 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 PMX series and the external contact is long it becomes easy for noise to influ ence the operation of the PMX series Even if you use cables that are designed to suppress noise the PMX series may not operate properly 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 4 and 5 ofthe 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 to a value in the range of 0 to the 100 of the rated output voltage Ertg To use an external resistance Rext to control the output voltage set CV control using an external voltage or external resistance in the CONFIG settings to external resistance control CF05 rES The output voltage Eo varies in the range of 0 to the rated output voltage Ertg when the external resistance Rext is changed in the range of 0 to 10 kQ Output voltage Eo Ertg x Rext 10 V Ertg Rated output voltage V Rext External resistance kQ External resistance Rext connection NOTE Connect the external resistor securely If the exte
15. a LOW 0 V to 0 5 V or short cir cuit 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 cir cuit turn the output off using a LOW 0 V to 0 5 V or short circuit 1 J1 connector on the rear panel Other features Common specifications Preset memory Up to three sets of the following settings can be saved the set voltage and the set current Key lock Select from the following three modes Loc1 Locks the operation of all keys except the OUTPUT key and the preset memory A B and C keys Loc2 Locks the operation of all keys except than the OUTPUT key Loc3 Locks the operation of all keys and the rotary knob Specifications 82 PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A Interface Common specifications Common Software protocol IEEE Std 488 2 1992 specifications Command language Complies with SCPI Specification 1999 0 RS232C Hardware Complies with the EIA232D specifications D SUBS pin connector male 1 Baud rate 19200 bps fixed Data length 8 bits Stop bits 1 bit Parity bit None No flow control Program message LF during reception LF during transmission terminator USB Hardware Complies with the USB 2 0 specifications Baud rate 12 Mbps full speed Standard Type B socket Program message LF or EOM during reception LF EOM during transm
16. age or current The output voltage or output Is the remote sensing feature turned on When you are not using remote sensing p 18 current fluctuates turn off the sensing switch Are both the CV and CC LEDs turned on If the output is oscillating when you are p 18 using remote sensing insert a capacitor across the load The circuit may be malfunctioning Imme diately stop using the PMX series and have it repaired Do the sensing cables or load cables have Turn the POWER switch off and check p 16 poor contact or are the cables broken the wiring p 18 Does the load current have peaks or is it The peak values may be exceeding the p 13 pulse shaped set constant current Increase the set con p 26 stant current or increase the current capacity The output voltage is offset from the voltage that the PMX series was generating when it was turned on Has 30 minutes passed since the power was turned on Warm up the PMX series for at least 30 minutes The output ripple is large Symptom Items to check Remedy The ripple sometimes becomes large Is the input voltage outside the range Apply a voltage that is within the input volt age range OM SPEC The ripple increased when Is something nearby generating a strong Take measures such as moving the PMX the PMX series was installed magnetic or electrical field series away from the field sources or twist in a different location ing the cable
17. and sixth MAC address numbers Display example of the MAC TTE E Toone TTE address 113198 CETA LE E 00 0F CE 11 22 33 IGE CE IIN cie CF39 00 0F CF40 CE 11 CF41 22 33 CF50 Vendor ID VID display This displays the USB vendor ID Display Description Ob3E 0x0B3E PMX Preset Memory Function CF51 Product ID display This displays the USB product ID Display Description 1029 0x1029 Preset Memory Function The PMX series has three preset memory entries A B and C where you can save combina tions of voltage and current settings Saved settings can be recalled from the preset memory when needed To select the preset memory entry to save to or recall from hold down SHIFT and press A B or C Recalling is executed immediately when a preset memory entry is specified If you keep specifying a preset memory entry by holding down the keys the present settings are saved to the entry area Saving settings to preset memory PMX NOTE When you save settings to a preset memory entry release the memory key first If you release SHIFT first the operation indicated in black characters above the key will be activated 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
18. equipped with standard overvoltage pro tection OVP overcurrent protection OCP and overheat protection OHP functions When a protection function is activated the cause of it is indicated on the front panel dis play area The output is turned off to protect the product and the load AN Safety Precautions When using this product be sure to observe the Safety Precautions in the Safety information manual PMX AN 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 When installing this product be sure to observe the temper ature and humidity ranges indicated below Operating temperature range 0 C to 40 C 32 F to 104 F Operating humidity range 20 rh to 85 rh no condensation When storing this product be sure to observe the tempera ture and humidity ranges indicated below Storage temperature range 25 C to 70 C 13 F to 158 F Storage humidity range 90 rh or less no condensation Notations Used in This Guide n this manual the PMX Series Regulated DC Power Sup ply is referred to as the PMX Series or PMX 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 o
19. has knowledge about electrical aspects of regulated DC power supplies Manual construction W Safety information This document contains general safety precautions for this product Keep them in mind and make sure to observe them W User s manual this manual PDF This document is intended for first time users of this prod uct It provides an overview of the product and notes on usage It also explains how to configure the product oper ate the product perform maintenance on the product spec ifications the product and so on To effectively use the product features read this document 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 document again W Quick reference This document explains Panel description and operation briefly W Communication Interface Manual HTML PDF This document explains how to control the product remotely using commands The interface manual is written for readers with sufficient basic knowledge of how to control power supplies using a PC PDF and HTML files are included in the accompanying CD ROM Adobe Reader 9 2 or later is required to view the PDF files Microsoft Internet Explorer 9 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
20. lost or soiled a new copy can be provided for a fee In either case 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 IOC firmware versions 1 1X When contacting us about the product please provide us with The model marked in the top section of the front panel The firmware version see page 11 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 guide 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 guide are subject to change without prior notice Copyright O 2013 Kikusui Electronics Corporation PMX Product Overview The PMX Series is a lineup of easy to use compa
21. panel of the PMX series to perform the following types of external control Output voltage control Control using an external voltage or external resistance e Output current control Control using an external voltage or external resistance Turning output on and off using an external contact Monitoring operation modes About the J1 Connector The PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A and PMX500 0 1A are factory shipped with a cover is attached to the J1 connector For safety reasons be sure to attach the cover when you J1 connector are not using the J1 connector cover If itis damaged or lost contact your Kikusui agent or distributor The J1 connector for external control is the D sub 25 pin connector on the rear panel The cable is not supplied with the product It must be obtained separately 4 40UNC Connector on the rear panel inch screw D sub 25 pin female connector o 2 Made by TE Connectivity former AMP J1 connector ewur Compatible connector plug D sub 25 pin A MN female D sub 25 pin male plug with fix screw To avoid malfunctions caused by noise use shielded D sub 25 pin connectors and a cable that is 3 m or less in length A connector kit option OPO1 PMX 749809 9 DB25 is available for connecting to the J1 connector The connector kit is constructed of connector parts made by TE Connectivity for mer AMP For information about how to use these component
22. resistance Rext is changed in the range of 0 Q to 10 kQ Output current lo Irtg x Rext 10 A Irtg Rated output current A Rext External resistance kQ External resistance Rext connection NOTE Connect the external resistor securely If the external resistor Rext becomes loose an excessive voltage may be applied to the load For Rext use a resistor that is rated at Gens shielded wireor approximately 10 kQ 1 2 W or greater twisted pair wire that has a low temperature coefficient and that will change little over time Exam ples of such resistors are metal film or wire wound resistors PMX 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 is long it becomes easy for noise to influence the operation of the PMX series Even if you use wires that are designed to suppress noise the PMX series may not operate properly If you use a shielded cable connect the shield to the negative output terminal Use pins 16 and 17 of the J1 connector PMX Controlling the Output On and Off States This section explains how to use an external contact to control the output on and off states 7 WARNING 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 PMX series For the isolation voltage of each
23. switch is invalid The OUTPUT switch is To output again because the output is turned off valid because the output through the external through the external contact No is turned on through the contact turn off the output is produced even if you external contact output once press the switch 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 twisted pair wire PMX The open circuit voltage across pins 18 f and 19 is approximately 5 V Theshortci o e cuit current across pins 18 and 19 is approximately 0 25 mA Use external contacts that have a contact rating greater than or equal to 0 25 mA at 5 Vde SS S aaa 53 PMX 54 Controlling the Output On and Off States 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 B For long distance wiring When you are wiring over a great distance use a small relay and extend the coil side of the relay Relay Extend this line PMX OHH 1 1 1 1L External Monitoring PMX External monitoring of the output voltage and output current ZNCAUTION The J1 connector has monitor outputs for the output voltage and the output current Pin no Signal name
24. tance the J1 connector This is set to nonE when the panel settings are reset CF00 The item can be configured only when the output is off p 35 p 40 p 51 Value Description nonE CC control is not performed factory default setting VoLt CC control using external voltage will be performed rES CC control using external resistance will be performed CF05 CV control using an external voltage or external resistance 49 Selects whether the output voltage will be controlled by an external voltage or external resis AP tance the J1 connector This is set to nonE when the panel settings are reset CF00 The item can be configured only when the output is off Value Description nonE CV control is not performed factory default setting VoLt CV control using external voltage will be performed rES CV control using external resistance will be performed CF06 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 reset CF00 The item can be configured only when the output is off Value Description oFF External control is not performed factory default setting on External control is performed CF07 External control logic parameter for turning output on and off 53 Sets the logic that is used when an external contact
25. the J1 connector is used to turn output epe Be on and off The item can be configured only when the output is off Value Description Lo The output is turned on with a low signal 0 V to 0 5 V or short circuit factory default setting Hi The output is turned on with a high signal 4 5 V to 5 V or open circuit CF08 Output on startup state parameter p 26 Sets the operation mode to be prioritized when the output is turned on Value Parameter description CC CC constant current is prioritized CV CV constant voltage is prioritized factory default setting PMX CONFIG Settings 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 Description LAn LAN will be used factory default setting uSb USB will be used 232 RS232C is used CF21 SCPI communication error display parameter Selects whether to display communication errors The errors are only displayed when you are using the SCPI language Value Description oFF SCPI communication errors are not displayed factory default setting on SCPI communication errors are displayed 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 restart the LAN interface
26. the units to the chassis terminal with the short bar A GC Series operation settings 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 all the units Set the current to the same value on each unit Setting the overvoltage protection OVP and overcurrent protec tion OCP p 28 You have to set the overvoltage protection OVP and overcurrent protection OCP on both ebd Rd units Specify the same values on each unit Starting series operation Turning the power on and off Turn on or off the POWER switch of each unit N CAUTION 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 this will shorten the service life of the POWER switch internal input fuse and other components Turning the output on and off Turn on or off the OUTPUT key of each unit PMX Parallel Series Operation gt 63 64 This page has been intentionally left blank PMX Maintenance This chapter explains how to perform cali bration 66 Calibration The product is calibrated before shipment To maintain long term performance we recom mend periodic calibration If you are going to calibrate the product follow the procedure below Calibration overview The following 10 parameters can be
27. to 1 of the rated current B Output current full scale Use the VOLTAGE knob to select the item and turn on the output Turn the CURRENT knob to set the DVM s output current reading converted current value to 100 of the rated current Ammeter offset Be sure to calibrate the output current before calibrating the ammeter 1 Use the VOLTAGE knob to select the item and turn on the output Maintenance 2 Press OVP OCP 3 While viewing the PMX ammeter turn the CURRENT knob to match the PMX current reading to the DVM reading m Ammeter full scale Be sure to calibrate the output current before calibrating the ammeter 1 Use the VOLTAGE knob to select the item and turn on the output 2 Press OVP OCP 3 Turn the CURRENT knob to match the PMX current reading to the DVM reading converted current value B Overcurrent protection OCP 1 Use the VOLTAGE knob to select the item and turn on the output 2 Press OVP OCP The OVPeOCP key lights and automatic calibration starts 3 When the calibration is complete the OVP OCP key turns off NOTE If you press LOCK during calibration while the SET key is lit the calibration will end without the calibration settings being saved e0000 Q 70 This page has been intentionally left blank PMX Specifications This chapter describes the specifications and gives the dimensions of the PMX A 72 PMX18 2A PMX18 5A PMX35 1A PMX35 3A Unl
28. 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 Furthermore this will shorten the service life of the POWER switch and the internal input fuse a 1 1 Mounting the PMX Series to a Rack p 86 To rack mount the product you need a rack mounting option Remove the handle and rubber feet before you attach the PMX series to the rack mount adapter To support the PMX series attach an angle support to it that is appropriate for the rack We recommend that you keep all pieces that you remove from the PMX series You will need these pieces if you remove the PMX series from the rack If you remove the PMX series from the rack re attach the original handle and rubber feet KRC and KRO series racks are available for rack mounting Removing the handle and feet T Two M4 screws Two brackets Handle Four feet ES 23 TI Four M3 screws l 1 Unfasten the two M4 screws and remove the entire handle 2 Unfasten the four M3 screws and remove the four rubber feet PMX Load Considerations PMX Note that the output will become unstable if the following types of loads are connected Loads with peak current or pulse shaped current The PMX series only indicates mean values Even when the indicated value is less than or ke A equal to the set co
29. 0 VA ne 117 Vac 200 Vac 217 Vac and 234 Vac are factory options 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 With the rated load PMX PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A PMX Output PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A Rating Output voltage 70 00 V 110 0 V 250 0 V 350 0 V 500 0 V Output current 1 000 A 0 600 A 0 250 A 0 200 A 0 100 A Output power 70W 66W 62 5 W 70 W 50 W Voltage Setting range 0 V to 73 5 V 0Vto1155V 0Vto2625V 0Vto3675V O V to 525 0 V Setting resolution 2mV 10mV Setting accuracy 0 2 96 of setting 0 1 96 of rating Line regulation 5 mV 7 mV 15 mV 25 mV 30 mV Load regulation 3 5 mV 7 mV 15 mV 25 mV 30 mV Transient response 100 Us Ripple noise rms 5 1mV 2 mV 3 mV 5 mV 10 mV Rise time Rated load 150 ms or less 120msorless 120 ms or less 150 ms orless 120 ms or less No load 150 ms or less 120msorless 120 ms or less 150 msorless 120 ms or less Fall time Rated load 50 ms or less 50msorless 50msorless 80 ms or less 50 ms or less No load 270 ms or less 120 ms or less 120 ms or less 220 ms or less 60 ms or less Maximum remote sensing compensation voltage single line Temperature coefficient
30. 0 mV When the load current is changed from 10 to 100 96 of the rated output current 5 When the measurement frequency bandwidth is 5 Hz to 1 MHz 6 The time it takes for the output voltage to rise from 10 96 to 90 96 of the rating when the output is turned on 7 The time it takes for the output voltage to fall from 90 to 10 of the rating when the output is turned off o e PMX a 73 o 74 PMX18 2A PMX18 5A PMX35 1A PMX35 3A Display function PMX18 2A PMX18 5A PMX35 1A PMX35 3A Voltage display Maximum display 99 99 fixed decimal point Display accuracy 0 5 96 of reading 2 digits Current display Maximum display 9 999 fixed decimal point Display accuracy 1 96 of reading 5 digits Operation display OUTPUT ON OFF Output on OUTPUT LED lights in green Output off OUTPUT LED turns off CV operation CV LED lights in green CC operation CC LED lights in red Alarm operation ALARM LED lights in red when a protection function has been activated Remote operation REMOTE LED lights in green during remote control LAN operation LAN LED lights or blinks depending on the LAN communica tion 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 Pres
31. 100 ppm C MAX Current Setting range 0At01 050A 0At00 6380A 0A100 262A 0A100 210A 0Ato 0 105 A Setting resolution 0 1 mA Setting accuracy 0 3 of setting 0 1 96 of rating Line regulation 2 mA 2 mA 1 mA 1 mA 1 mA Load regulation 5 mA 5 mA 5 mA 5 mA 3 mA Ripple noise rms 5 1mA Temperature coefficient 200 ppm C TYP 1 When the output is on hold down SHIFT and turn the VOLTAGE or CURRENT knob to change the value at 1 10th the res olution of the minimum digit However when you set the voltage on the PMX70 1A the value changes at 1 5th the resolution of the minimum digit When the output is off hold down SHIFT and turn the VOLTAGE or CURRENT knob to change the value at increments of 1 in the minimum digit If you are setting the value through the communication interface you can set the value at 1 10th the resolution of the min imum digit regardless of whether the output is on 2 100 Vac to 90 Vac or 100 Vac to 110 Vac rated load 3 The amount of change that occurs when the load is changed from no load to rated load 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 05 96 10 mV When the load current is changed from 10 96 to 100 96 of the rated output current 0 SI 0 GI When the measurement freguency bandwidth is 5 Hz to
32. 2 10 2 20 4 224 m 110 0 6A Output off 11 21 44 6 1 8 2 102 204 224 Vout Output terminal voltage A Sink current Model State Unit 10 Vout 20 Vout 30 Vout 50 Vout 100 Vout 150 Vout 200 Vout 250 Vout PMX POWER off A 0 45 0 92 1 4 2 3 4 6 7 0 9 3 11 6 m 250 0 25A Output off 045 092 14 2 3 4 6 7 0 93 116 Vout Output terminal voltage A Sink current Model State Unit 10 Vout 20 Vout 50 Vout 100 Vout 200 Vout 250 Vout 300 Vout 350 Vout PMX POWER off A 0 16 0 32 0 8 1 6 3 2 4 0 4 8 5 6 m 350 0 2A Output off 23 0 240 250 280 350 380 400 430 Vout Output terminal voltage Sink current Model State Unit 20 Vout 50 Vout 100 Vout 200 Vout 300 Vout 400 Vout 500 Vout PMX POWER off 0 23 0 57 1 2 2 3 3 5 4 6 5 8 500 0 1A mA Output off 9 0 9 0 10 0 11 0 12 0 13 0 14 0 Preparation 15 16 Load Cables NWARNING Risk of fire Use load cables whose capacity is adequate for the PMX series rated output cur rent The output connector and its surrounding area become very hot Use cables whose covers have heat resistance at 85 C and higher Risk of electric shock Use load cables with a voltage rating that meets or exceeds the PMX series isolation voltage B 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 amb
33. CURRENT knob to set the current PMX18 2A 0A102 1A PMX70 1A OAto 1 05A PMX18 5A 0A t0 5 25 A PMX110 06A 0 Ato 0 63 A PMX35 1A OA to 1 05 A PMX250 0 25A 0A to 0 262 A PMX35 3A 0A103 15A PMX350 0 A OAto0 21A PMX500 0 1A OAto0 105A 7 Press OUTPUT to turn output on The SET key turns off and the OUTPUT LED in the display area lights The voltage and current are generated from the output terminals When the PMX series is operat ing as a constant voltage power supply the CV LED in the display area lights When the PMX series 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 use the CONFIG settings to set the output on startup state CF08 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 PMX series as a constant voltage power supply and by prioritizing CC when using the PMX series as a con stant current power supply PMX ee 111 1 Protection Functions and Alarms The PMX series is equipped with the following protection functions Overvoltage protection OVP e Overcurrent protection OCP e Overheat protection OHP Alarm occurrence and clearing alarms When a protection function is activated the PMX se
34. Description 1 VMON Monitor output of output voltage 0 to approx 10 V for 0 to rated output voltage 2 IMON Monitor output of output current 0 to approx 10 V for 0 to rated output current 3 5 15 ACOM Remote control input common Output monitor common Shorting VMON and IMON to ACOM may damage the PMX series Monitor output rating Output impedance 1 kQ or less maximum output current approx 1 mA The monitor output signals are used to monitor the DC voltage mean value They 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 PMX 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 PMX series The status common is floating that is it has an isolation voltage or less The maximum ratings of the signal terminals are as follows Maximum voltage 30 V maximum current sink 8 mA Pin no Signal name Description Circuit 25 STATUS COM Status output common Photocoupler emitter output 11 CV STATUS This is set to low level when the PMX series is in constant voltage mode 25 Photocoupler open collector output 11 12 CC STATUS This is set to low level when the PM
35. FF NOTE If you hold down SHIFT the memory key A B or C that corresponds to the preset memory entry that you want to recall from the preset values in use will be saved to the preset mem ory entry instead Memo Press LOCAL to cancel recalling Ve Memo The one step recall fea ture is convenient when you know the contents that have been saved to the memory Displaying the saved contents for confirmation and then recalling 1 While holding down SHIFT press the appropriate memory key A B or C The SET key the PRESET LED of the memory to recall from A B or C and the con tents voltage and current of the recalled preset memory that are shown in the display area blink If you press another memory key while holding down SHIFT the contents of the corresponding memory appear blinking 2 Check the displayed settings and then press SET The LED that corresponds to the preset memory entry that you have recalled PRESET A B or C lights Recalling without displaying the saved contents 1 Use the CONFIG settings to set the PMX series to hide the saved con tents of preset memory entries CF02 oFF 2 While holding down SHIFT press the appropriate memory key A B or C The LED that corresponds to the preset memory entry that you have recalled PRESET A B or C lights PMX Locking Panel Controls Key lock The PMX series key lock function prevents you from acciden ouput 2101818 v tall
36. LARM LANS LOCK REMOTE Lane LOCK REMOTE Example of the panel displays when nn See two units operate in parallel Unit 1 Unit 2 Do not connect the common wire ACOM and DCOM of each device together If the load CAUTION e A wire comes loose the common wire may break Remote sensing only on models whose rated output voltage is 18 V or 35 V This is available External control see chapte 3 This is available External monitoring External monitoring of the output voltage VMON You can monitor the output voltage of each unit External monitoring of the output current IMON You can monitor the output current of each unit To determine the total output current add the value displayed on the ammeter of each unit together Status monitors You can monitor the status of the following items from each unit constant voltage mode CV STATUS constant current mode CC STATUS output on OUTON STATUS POWER switch on POWERON STATUS and alarms ALM STATUS PMX 58 Parallel Operation Alarm The alarms that are detected on a single unit are also detected during parallel operation m Clearing alarms Press ALM CLR SHIFT SET or turn off the POWER switch Fix the problem that caused the alarm and turn the POWER switch back on Parallel operation connection Connecting the load N WARNING Risk of electric shock Turn the POWER switch off before you touch the output termi nal Whe
37. NT COM Common for output voltage control using external resistance 8 N C Not connected 9 N C Not connected 10 N C Not connected 11 CV STATUS On when the PMX series is in CV mode open collector output from a photocoupler 12 CC STATUS On when the PMX series is in CC mode open collector output from a photocoupler 13 ALM STATUS On when a protection function OVP OCP or OHP is activated open collector output from a pho tocoupler 14 EXT V CC CONT Output current control using external voltage receives 0 V to 10 V to output 0 96 to 100 of the rated current 15 ACOM External signal common for pins 1 2 4 and 14 16 EXT R CC CONT Output current control using external resistance uses 0 Q to 10 ka to output 0 to 100 of the rated current 17 EXT R CC CONT COM Common for output current control using external resistance 18 OUT ON OFF CONT Output on off control using external contact input 19 DCOM External signal common for pin 18 20 N C Not connected 21 N C Not connected 22 NG Not connected 23 OUT ON STATUS On when output is on output through an open collector photocoupler 24 PWR ON STATUS On when the power is on output through an open collector photocoupler 25 STATUS COM Status signal common for pins 11 12 13 23 and 24 1 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 2 Open collector outpu
38. Oe 1 1 1 Panel Operations Measured value display setting display and set OVP OCP display p NM Turn the VOLTAGE knob to change the voltage Turn the CURRENT knob to change the current You can set these values while output is on or off Q OCT i 4 Press SET to switch to the setting display and then change the output while you view the actual voltage or current settings OUTPUT LANS LOCK9 REMOTE PRESET A se c SET OVP OCP CONFIG LOCK eat 900 0 ONA J aman 4 SZ SZ sire n E Decrease Increas B Fine adjustment You can change the resolution of the VOLTAGE and CURRENT knobs Hold down SHIFT Memo When you set a value it is convenient to first use while you turn the VOLTAGE knob or CURRENT knob to make small changes to the value normal resolution to set r A the value roughly and When the output is on the displayed current or voltage may not change even if you turn the then switch to fine resolu VOLTAGE or CURRENT knob In this situation the values are being changed at a finer reso Horitorsetit preciseiy lution than 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 The amount of change varies depending on whether the output is on or off Changes are made at 1 10th the resolution of the minimum digit on the 1 When the output is on voltmeter or ammeter
39. P or LOCK to exit from CONFIG settings If you press any of these keys the function assigned to the key is executed immediately upon exiting from CONFIG settings Resetting the settings CF00 1 Press CONFIG once CF00 The CONFIG key lights and the SET key blinks The voltmeter displays the parameter number CF00 E F 00 The ammeter displays the corresponding setting rST SE Press SET which is blinking again The settings are applied The measured value display appears While the parameter number and the setting are blinking no new settings will be applied until you press SET Basic Functions D 33 34 CONFIG Settings A PH Memo If you want to cancel the settings press CONFIG before you press SET Resetting the LAN interface settings CF33 and restarting CF34 1 Press CONFIG twice to select the LAN interface An and then press it again The CONFIG key lights The voltmeter displays the parameter number CF30 E E 3g The ammeter displays the corresponding setting on nn Turn the VOLTAGE knob to select the number of the parameter you want to set If you are resetting the LAN interface settings the voltmeter displays CF33 fF 33 the ammeter displays LCi E 7 and the SET key blinks If you are restarting the voltmeter displays CF34 CE 34 the ammeter displays booth o o El and the SET key blinks Press SET The CONFIG key turns off The SET key and t
40. When the output current exceeds the OCP trip point the front panel display area s ALARM LED lights to indicate that the OCP function has been activated COACH GE CPN R GGET A KS c GOOD OO ALMCLR A C sgr O GI RON OUTPUT Q OCP activation alarm indication T 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 D 29 30 Protection Functions and Alarms Overheat protection OHP The overheat protection function is activated when the PMX series internal temperature rises to an abnormal level When the PMX series is used in an environment that exceeds its operating ambient tem perature range 0 C to 40 C When the PMX series is used with its air inlet or outlet port blocked When the fan motor has stopped If you do not fix the problem that caused the OHP to be activated OHP will be activated again even if you turn the POWER switch off and on PMX CONFIG Settings Use the CONFIG settings to set the PMX series system configuration You can set and dis play the following parameters in the CONFIG settings In the Note column A indicates a parameter that is applied immediately B indicates a parameter that is applied when the PMX series is turned on and C indicates a parameter that is applied when CF34 is executed Parameter number CF CONFIG a two digit numbe
41. X series is in constant current mode Photocoupler open collector output 12 13 13 ALM STATUS This is set to low level when a protection function is activated Photocoupler open collector output 23 OUTONSTATUS This is set to low level when the output is turned on Photocoupler open collector output 24 PWRONSTATUS This is set to low level when the POWER switch is turned on 23 24 kel VK FF KEL v External Control e 55 56 This page has been intentionally left blank PMX Parallel Series Operation This chapter describes the functions of parallel operation and series operations as well as the connection setup and opera tion procedures E Parallel Operation You can connect multiple PMXs in parallel to increase the current capacity You cannot perform master slave series operation which would enable you to control multi ple slave units from a single master unit Specify the same output setting for the power supplies that are connected in parallel Otherwise the PMX series may not operate properly Use the same models for parallel oper CAUTION 8 AN ation Parallel operation features Voltage display and current display The voltage or current is displayed on each unit The voltmeter displays the voltage at the output terminals of each device To calculate the total output current add the current values of each unit pa 1181815 v e a890 v 0152228 82328 A
42. age 2 c re hielded wire or source to Vext The noise in Vext is mul twisted pair wire RMX tiplied by the amplification factor of the SET AERE PMX series and appears in the output Therefore the output ripple noise may not meet the specifications of the PMX 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 PMX series and the external contact is long it becomes easy for noise to influence the operation of the PMX series Even if you use cables that are designed to suppress noise the PMX series may not operate properly 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 14 and 15 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 to a value in the range of 0 to the 100 of the rated output current Irtg To use an external resistance Rext to control the output current set CC control using an external voltage or external resistance in the CONFIG settings to external resistance control CF04 rES The output current lo varies in the range of 0 to the rated output current Irtg when the external
43. al Knob Output terminal cover Preparation 17 18 Sensing The PMX series is equipped with two sensing functions local sensing and remote sensing By factory default the PMX series is set to local sensing the sensing switch is set to off Local sensing Use local sensing when the cable to the load is short Local sensing does not compensate for the voltage drop in the load cable so use this method when the load current is small or when you do not need to consider the load regulation volt age The sensing point during local sensing is the output terminal PMX Use twisted pair wires for the load cables mr di Make the cables as short as possible Output terminals Chassis terminal Sensing terminal Sensing Switch OFF position Remote sensing equipped only on models whose rated output voltage is 18 V or 35 V Use remote sensing when the cable to the load is long Remote sensing 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 PMX series remote sensing feature to compensate up to 0 6 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 rat
44. ame electric potential as the eel negative output terminal eme Ground the positive 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 PMX Approximately the same electric potential as the negative output terminal Output is shorted by the shield causing current to flow A connection in which the output is shorted by the shield example of a prohibited connec tion PMX ee 1 1 K 1 n A Output Voltage Control A WARNING 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 the output voltage is being controlled the panel display varies depending on the display status In setting display the voltmeter displays Measured value display Setting display OUTPUT Agge V OUTPUT 9 nmm SLN s ALARM LANG LOCK6 REMOTE C SET OVP OCP CONFIG LOCK LOCAL 900680 gn A SHET 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 PMX series For the isolation voltage of each model Specifications on page 71 When using shielded cables for the connection prot
45. anel settings are reset CF00 2 The item can be configured only when the output is off PMX CONFIG Settings Setting and viewing CONFIG parameters VOLTAGE FINE X VOLTAGE knob Select the parameter number SAF OUTPUT ALARM LANG LOCK REM Se BEES Kl 259 Q Q rero CONFIG key Change the parameter value Measured value display CONFIGkey CURRENT FINE Select the parameter number System settings CF00 CF01 4 VOLTAGE knob CF08 CONFIGkey Interface settings CF20 lt VOLTAGE CF21 knob Coonrigkey Interface specifi settings LAN USB RS232C CF20 LAn CF20 uSb CF20 232 CF30 CF50 CF31 CF51 CF41 A LT VOLTAGE knob CF00 CF33 and CF34 are used to execute operations CF35 to CF41 CF50 and CF51 are used to display the status of the PMX series You cannot set the values of any of these CON FIG parameters For CF00 CF33 and CF34 the SET key is used to apply the settings The settings have not yet been applied when the SET key is blinking PMX CONFIG Settings r Memo Press CONFIG or turn the VOLTAGE knob to switch between the parameter numbers These two methods switch between the parameter numbers differently p 31 e Memo You can cancel the set tings using CONFIG PMX Specifying the CONFIG settings Excluding resetting the settings resetting the LAN interface settings and restart
46. as 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 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 If you are not going to use remote sensing return the PMX series to local sensing mode STRIP GAUGE th umm iui red MS Wf E 71 AWG20 14 with the chassis with the chassis 2 The wire itself is in contact Wire scraps are in contact While pressing here with a screwdriver insert the wire STRIP GAUGE 7mm AWG20 14 2 Turn the POWER switch off Turn on sensing switch on the front panel Remove 7 mm of the wire covering Connect the negative sensing cable to S and the positive sensing cable to S Turn the POWER switch on Preparation 19 20 Sensing If the wiring inductance component is large the following symptoms may appear The PMX series oscillates If the wires used to connect to the load 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
47. calibrated Calibration is performed for 1 and 100 full scale Output voltage offset 1 96 Output voltage full scale 100 96 Voltmeter offset 1 96 e Voltmeter full scale 100 96 e Output current offset 1 96 Output current full scale 100 96 Ammeter offset 1 96 Ammeter full scale 100 96 Overvoltage protection OVP e Overcurrent protection OCP Required devices ADC voltmeter DVM with a measurement accuracy of 0 02 or better Ashunt resistor with an accuracy of 0 1 or better or an ammeter that can supply the rated output current of the PMX series to be calibrated Environment Perform calibration in the following environment Temperature 23 C 5 C Humidity 80 rh or less To minimize the calibration error due to initial drift warm up the PMX series for at least 30 minutes before calibration In addition warm up the DVM and shunt resistor for as long as is necessary PMX Calibration Calibration procedure PMX I Risk of electric shock Turn the POWER switch off before you touch the output terminals Be sure to connect the output terminal to the chassis terminal There are voltage system and current system calibration parameters During calibration you can change the resolution While holding down LOCAL turn the CURRENT knob to reduce the amount of change 1 While holding down SET and LOCAL turn the POWER switch on The calibration screen appears Tur
48. ch unit AUBOOM BBO Q SGOGUN Q 5516128 ta als isi a E erae Example of the panel displays when two units operate in series Unit 1 Unit 2 Remote sensing This is not available External control chapter 3 This is available AN CAUTION Do not connect the common wire ACOM and DCOM of each device together The common potential of each unit is different during series operation PMX e0000 Series Operation External monitoring N WARNING When monitoring is in progress be careful of shorts and electric shocks When moni toring the output voltage or output current during series operation the electric poten tial of the common of each unit s monitor signal is different External monitoring of the output voltage VMON You can monitor the output voltage of each unit To calculate the total output voltage add the monitored values of each unit External monitoring of the output current IMON You can monitor the output current of each unit Status monitors You can monitor the status of the following items from each unit constant voltage mode CV STATUS constant current mode CC STATUS output on OUTON STATUS POWER switch on POWERON STATUS and alarms ALM STATUS Alarm All the alarms that are detected on a single unit are also detected during series operation B Clearing alarms Press ALM CLR SHIFT SET or turn off the POWER switch Fix the problem that caused the alar
49. ct regulated DC power supplies It can be controlled remotely through the standard equipped communication feature Model Maximum Maximum Power operating operating current voltage PMX18 2A 2A 18V 36 W PMX18 5A 5A 18V 90 W PMX35 1A 1A 35V 35W PMX35 3A 3A 35V 105 W PMX70 1A 1A 70V 70 W PMX110 0 6A 0 6A 110 V 66 W PMX250 0 25A 0 25 A 250 V 62 5 W PMX350 0 2A 0 2 A 350 V 70 W PMX500 0 1A 0 1A 500 V 50 W 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 possi ble 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 External control External analog signals can be used to control the output voltage and current turn the output on and off and monitor the operation mode Remote sensing equipped on models whose rated output voltage is 18 V or 35 V Remote sensing stabilizes the output voltage across the load by reducing the influence of voltage drops and other effects caused by the load cable resistance Standard protection functions The PMX series is
50. current Preset memory valules A B C Voltage 0 V Current Maximum settable current B CONFIG settings Parameter number CONFIG parameter Description CF01 Power on output status parameter SAFE the PMX series starts with the output turned off CF02 Memory content display parameter ON displayed CF03 Key lock parameter LOC3 all keys and the rotary knob are locked CF04 CC control using an external voltage or external resistance NONE disabled CF05 CV control using an external voltage or external resistance NONE disabled CF06 External control parameter for turning output on and off OFF disabled CF07 External control logic parameter for turning output on and off LO a low signal turns output on CF08 Output on startup state parameter CV CV is prioritized CF20 Remote interface parameter LAN CF21 SCPI communication error display parame ter OFF not displayed 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 1 LOW 0 V to 0 5 V or a short circuit PMX External Control This chapter explains external control and external monitoring using the J1 connector 44 General Description You can use the J1 connector on the rear
51. dc for 1 minute Insulation Between input and FG 1000 Vdc 30 MQ or more resistance Between input and output 1000 Vdc 30 MO or more Between input and output 1000 Vdc 30 MO or more Safety 1 Complies with the requirements of the following directive and standard Low Voltage Directive 2006 95 EC EN 61010 1 Class Pollution degree 2 Electromagnetic compatibility Complies with the requirements of the following directive and standards EMC Directive 2004 108 EC EN 61326 1 Class A 5 2 EN 55011 Class A Group 1 ke EN 61000 3 2 e EN 61000 3 3 Applicable under the following conditions KT The maximum length of all cabling and wiring connected to the PMX A must be less A than 3 m o Accesso Power cord 1 pc ries Packing list 1 copy Quick reference Japanese 1 copy English 1 copy Chinese 1 copy Safety precautions 1 copy CD ROM 1 disc 1 Does not apply to specially ordered or modified PMX As 2 Limited to products that have the CE mark on their panels CE mark does not apply unless you use a USB cable with a ferrite core Kikusui recommended cable Elecom U2C BF series USB cable with a ferrite core less than 3 m 3 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 4 Pollution is addition of foreign matter solid liquid or gaseous that may
52. e the output volt o A A ea age and output current in the measured value display SGM z 5 ri Q 1 LI A MAM LAN Lem PRESET A B C SET OVP OCP CONFIG LOCK LOCAL 000009 An A SHIFT Setting display Press SET to light its LED and display the present set output cured H898 a VI voltage and output current settings GI HIER 818 e Press SET again to return to the measured value display ALARM LANG LOOKOREMOTE When you recall a preset memory entry the values stored in the EU reset memory entry are displayed on the panel SE SOO p y entry play p on m The display is different when the PMX series is being controlled externally During external voltage control the voltmeter displays During external current control the ammeter displays S 5 5 5 B Overvoltage protection and overcurrent protection setting display Press OCP OVP to light its LED and display the present overcur OUTPUT 41918155 M rent protection and overvoltage protection settings o enm ALARM LANG LOCK REMOTE PRESET A B POCI AONFIG LOCK LOCAL O Xu Ser SC Q Ge 7 9 m System configuration setting display Press CONFIG to light its LED and display the current system OUTPUT LIED M configuration settings 2 AAEN ALARM LAN LOCKGREMOTE rr SET ge fp LOCK LOCAL 9 Cz Q O ALM CLR A Kii SHIFT 22 PMX
53. e you turn the POWER switch back on Repeatedly turning the POWER switch on and off at short intervals this will shorten the service life of the POWER switch internal input fuse and other components Z CAUTION Turning the output on and off Turn on or off the OUTPUT switch of each unit 60 PMX Series Operation You can connect multiple PMXs in series to increase the output voltage The number of units that can be connected in series depends on the output voltage and the isolation voltage of each unit The total of the output voltages of the power supplies con nected in series will be applied to the load ZN WARNING Risk of electric shock Make sure that the maximum output voltage of the power supplies connected in series does not exceed the isolation voltage Always observe the maximum number of units connected in series For details on the isolation voltage of each model see the specifications Number of power supplies to connect in series The number of units that can be connected in series depends on the output voltage and the isolation voltage of each model Example For the PMX18 5A the isolation voltage is 70 V The maximum number of units is determined as 70 18 3 888 so up to 3 units can be connected Series operation features Voltage display and current display Parallel Series Operation The voltage or current is displayed on each unit To calculate the total output voltage add the voltage values of ea
54. ect the uncovered sections of the shielded cable by using insulation tubes whose withstand voltage is greater than the PMX series isolation voltage Control using an external voltage Vext Z CAUTION PMX To use an external voltage Vext to control the output voltage set CV control using an exter nal voltage or external resistance in the CONFIG settings to external voltage control CF05 VoLt 2121515 S DON ALARM LAN Locke REMOTE 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 10 V Output voltage Eo Ertg x Vext 10 V Ertg Rated output voltage V Vext External voltage V The signal cable may burn out Do not connect the Vext output that is leave it floating If you do the PMX series may malfunction 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 External Control e 49 50 Output Voltage Control see p 48 External voltage Vext connection Use a low noise stable voltage source 2 cora Shielded wire or for Vext The noise in Vext is multiplied twisted pair wire PMX by the amplification factor of the PMX ca cere series and appears in the output Therefore the output ripple noise may not meet the specifications of the PMX series Vetja T v
55. ed output voltage 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 use shielded wires connect the shield to the ground of the PMX series or the load PMX Sensing PMX PMX Use twisted pair wires for the load cables Make the cables as short as possible Output terminals Chassis terminal Sensing minat Connect an electrolytic capacitor across the load as necessary Sensing switch OFF ON a EE id For the sensing cables use twisted pair wires or 2 core shielded wires ON position Connecting the sensing cables N WARNING Risk of electric shock and damage to internal circuits Never wire the sensing terminals while the POWER switch is turned on Use sensing cables with a voltage rating that is higher than the PMX series isolation voltage Protect the uncovered sections of the shielded cable by using insulation tubes whose withstand voltage is greater than the PMX 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 ch
56. emory entry is being used the PRESET A B or C LED lights in green 1 Ambient temperature at 23 C 5 C Protection functions PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A Overvoltage Operation Turns the output off displays OVP and lights ALARM oe Setting 7Vto77 00V 11Vto121 0V 25Vto275 0V 35 Vto385 0V 50Vto550 0 V range 10 to 110 of the rated output voltage Setting 1 96 of rating accuracy Overcurrent Operation Turns the output off displays OCP and lights ALARM protection 1 OCP Setting 0 100 A to 0 060 A to 0 025 A to 0 020 A to 0 010 A to range 1 100 A 0 660 A 0 275 A 0 220 A 0 110A 10 96 to 110 96 of the rated output current Setting 1 96 of rating range Overheat Operation Turns the output off displays OHP and lights ALARM protection OHP 1 This does not protect against the discharge current peak that is generated from the capacitors inside the PMX A output section when the load is changed suddenly PMX PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A PMX Signal output Common specifications Monitor Voltage At rated voltage 10 00 V 0 1 V signal output monitor output SS VMON Tu ov output 0 00 V 30 1 V Current At rated current 10 00 V 0 1 V monitor output IMON At 0 A output 0 00 V 30 1 V Status signal OUTON STATUS Turns on when the output is o
57. es may cause current to flow from the load to the internal circuit of the PMX series This current may dam age the PMX series or reduce the life of the load For this type of load connect a reverse current prevention diode DRP between the PMX series and the load in series as shown in the following figure This cannot be used in conjunction with remote sensing Dre Reverse current protection diode O 0 4 PMX Load with accumulated energy To protect the load and the PMX series use a DRP that conforms to the following specifica tions Reverse voltage withstand capacity At least twice the rated output voltage of the PMX series Forward current capacity 3 to 10 times the rated output current of the PMX series A diode with small loss Be sure to take into account the heat generated by Drp DPP will burn out with inadequate heat dissipation ZA CAUTION PMX Load Considerations PMX Sink current from an external voltage source Directly connecting an external voltage source to the PMX series may cause sink current to flow from the internal breeder circuit of the PMX series This current may damage the PMX series or reduce the life of the load For this type of sink current you need to connect a diode to the load cable or mechanically separate the load cable from the PMX series with a switch or the like Depending on the power off or output off state the sink current that flows when an externa
58. eset mirennmaenaanaannaenaaae 35 cis EE 3 T tro bleshiootlng 2 neni 88 V vendor ID display ssseseeneenn 38 VOI SIOE ee ee ee 2 91 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
59. ess specified otherwise the specifications are for the following settings and conditions e e e Loads are pure resistive loads The warm up time is 30 minutes with current flowing Negative output is connected to the chassis terminal using the short bar Values indicated by TYP are typical values They are not guaranteed performance val ues Values indicated by rating are rated values Values indicated by setting are setting values Values indicated by reading are readout values 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 maximum 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 maximum 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 PMX A output voltage must not exceed the maximum outpu
60. et memory When a preset memory entry is being used the PRESET A B or C LED lights in green 1 Ambient temperature at 23 C 5 C Protection functions PMX18 2A PMX18 5A PMX35 1A PMX35 3A OVP Overvoltage protection Operation Turns the output off displays OVP and lights ALARM OHP Setting 1 8 V to 19 8 V 1 8 V to 19 8 V 3 5 V to 38 5 V 3 5 V to 38 5 V range 10 to 110 of the rated output voltage Setting 1 of rating accuracy Overcurrent protection Operation Turns the output off displays OCP and lights ALARM OCP 1 Setting 0 2A102 2A 0 5At05 5A 0 1A10 1 1 A 0 3Ato 3 3A range 10 96 to 110 96 of the rated output current Setting 1 96 of rating range Overheat protection Operation Turns the output off displays OHP and lights ALARM 1 This does not protect against the discharge current peak that is generated from the capacitors inside the PMX A output section when the load is changed suddenly PMX PMX18 2A PMX18 5A PMX35 1A PMX35 3A PMX Signal output Common specifications Monitor Voltage At rated voltage 10 00 V 0 1 V signal output monitor output iia VMON Aro V output 0 00 V 30 1 V Current At rated current 10 00 V 0 1 V monitor output IMON At 0 A output 0 00 V 0 1 V Status signal OUTON STATUS Turns on when the output is on output 3 CV STATUS Turns on during CV operation
61. 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 PMX series is set to ground potential Pins 1 to 7 and 14 to 19 for external control and output monitoring of the rear panel J1 con nector are at approximately the same electric potential as the PMX 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 PMX series Because the output terminal is floating the section shown on PMX a gray background must have an insulation capacity greater than or equal to the PMX series isolation voltage Approximately the same electric potential as the negative output terminal Isolated from the negative output terminal Approximately the same electric potential as the negative output terminal NC Isolated from the negative output terminal INPUT PMX Output Terminal Insulation When the output terminal is grounded PMX 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 capacity that is greater than or equal to the maximum output voltage of the PMX series with respect to the chassis There is no need to provide insu
62. g equation Is Vs RL Substituting the values we obtain Is 20 V 25 A 0 8 A If you try to increase the current above this point the cross over point is reached and the power supply automatically switches to CV mode To maintain operations in CC mode increase the voltage limit Basic Functions D 25 26 Using the PMX Series as a CV or CC Power Supply p 23 When the PMX series is used as a constant voltage power supply the set current is the limit to the current that can flow through the load When the PMX series is used 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 PMX series automatically switches its operation mode When the PMX 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 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 1 2 3 Turn the POWER switch on 4 5 Turn the VOLTAGE knob to set the voltage PMX18 2A 0 V to 18 9 V PMX70 1A OV to 73 5 V PMX18 5A 0 V to 18 9 V PMX110 06A 0 Vto 115 5 V PMX35 1A 0 V to 36 75 V PMX250 0 25A 0V to 262 5 V PMX35 3A 0 V to 36 75 V PMX350 0 2A 0V to 367 5 V PMX500 0 1A 0V to 525 0 V 6 Turn the
63. grounded 47 Cautions when using the external voltage NC A M 48 Output Voltage Control 49 Control using an external voltage Vext 49 Control using an external resistance Rext 50 Output Current Control 51 Control using an external voltage Vext 51 Control using an external resistance Rext 52 Controlling the Output On and Off States 53 External Monitoring 55 Parallel Series Opera tion Parallel Operation sseeseeeeeeeeeeeeeeeeeeeen 58 Parallel operation features 58 Parallel operation connection 59 Parallel operation settings 60 Starting parallel operation 60 Series Operation 61 Series operation features 61 Series operation connection 62 Series operation settings 63 Starting series operation 63 Maintenance Calibration sese 66 Calibration overvlew 66 Calibration procedure 67 opecifications PMX18 2A PMX18 5A PMX35 1A PDMXA3b 3A e 72 PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A 78 Appendix BODIES aie cred edet 86 Blroukbkesbocrkeg seess 88 PMX PMX Search by Topic Preparation Operation Maintenance Troubleshooting want to check the accessories 68See the included packing list
64. hat makes it possible to function as a constant voltage source and constant 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 opera tion is referred to as constant current CC mode The operation mode is determined by the following three values Output voltage setting Vs e Output current setting Is Loadresistance RL The operation modes are described below Ri gt RC Rich Vmax A XY Vs DA i Crossover point 5 A CV mode area o gt B CC mode area 2 A Ri lt Rc S a Vs Set voltage Q Is Set current 3 i Rc Vs Is Ohm s Law 5 EDS RL Load resistance o i Vmax Maximum settable voltage 0 ls Imax Imax Maximum settable current Output current lout The above figure shows the PMX 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 Al and CC mode in area B The boundary is the line defined by RL Rc This line represents the load at which the output voltage and the set voltage are equal and the output 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 PMX series o
65. he displayed settings blink Press SET again The settings are applied The SET key and displayed settings stop blinking remain lit and the OVP e OCP and CONFIG keys light After approximately 4 to 5 seconds the measured value display appears and the set tings are applied EE o LETA rw MEIE SIM Display Q DES Display exam ae LAN ems REMOTE example of ALARM LANG Locke REMOTE ple of CF34 SE 9 EX e CF33 being EES SES being applied D KARS RE Hp PANT R PMX CONFIG Settings CONFIG parameter details The CONFIG parameters are explained in detail below CF00 Resets the panel settings Resets the panel settings The following settings will be reset When the settings are reset n TE the PMX series settings take on the same values as they do when an RST command is Communication Inter face Manual received Output voltage Output on off at power on E Output current Constant current control using an external volt age or external resistance CF04 Overvoltage protection Constant voltage control using an external volt d age or external resistance CF05 o e Overcurrent protection External control for turning output on and off E ei CF06 m Display Description rSt Resets the panel settings CF01 Power on output status parameter Sets the output condition that the PMX series will be in when the power is turned on When you are using an external con
66. he output voltage set to 0 V and the Turn the knobs to set the output voltage p 23 when the OUTPUT switch is 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 53 2 tact to turn output on and off No Set the external control parameter for turn p 36 ing output on and off to off CF06 oFF Even when the PMX series Has the overvoltage protection OVP Set the OVP value higher than the voltage p 28 is configured so that output function been activated setting is uimed oral power on thie Has the overheat protection OHP func The internal temperature is abnormally p 30 output is turned off immedi ately after the power is turned on tion 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 these items PMX The output is unstable Symptom Items to check Remedy When the output is on turn Is the operation mode switching from CV Change the setting output voltage or out p 26 ing the VOLTAGE knob or to CC or CC to CV put current that is limiting the output to a CURRENT knob results in value greater than the present setting If unstable output the setting is at maximum you must use a power supply that has a larger output volt
67. heck Remedy Remote control through the Have you selected the communication Select the remote control communication p 37 communication interface interface that you want to use in the CON interface CF20 cannot be performed FIG settings When the LAN interface isin When the POWER switch is turned on A timeout may have occurred while the p 11 use the DHCP server s does the LAN interface display persist for PMX series was waiting for a response automatic IP address more than 30 seconds from the DHCP server or because no assignment cannot be final response was received Consult your net ized work administrator When the LAN interface is in Is the LAN LED lit in orange or red If itis lit in orange the PMX series is wait p 37 use the IP address cannot ing for a response from the DHCP server be obtained from the DHCP If it turns red afterward the PMX series server may have timed out Consult your network administrator e o e e PMX 9 Index A alarm clearing eot ertt err de 27 ori 28 OGCUMENAGE C 27 alarmsignaal 15m etr aeter ans 27 C CC control setting ssseeeenn 36 CG MOOS EE 24 constant current mode eeene 24 constant voltage mode sees 24 CV control setting isrmranns 36 GV ne 24 D Die a Ou 37 DIMENSIONS ae Em 84 E external monitoring seeeeeeeees 55 F factory default settings
68. ient 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 60 C when one of the wires is separated and stretched out horizontally in air in an ambient tem perature 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 sec AWG reference cross Allowable current A Kikusui recommended tional area mm sectional area mm Ta 30 C current A 0 9 18 0 82 17 4 1 25 16 1 31 19 6 2 14 2 08 27 10 3 5 12 3 31 37 5 5 10 5 26 49 20 1 Excerpt from Japanese laws related to electrical equipment B Taking measures against noise When connecting cables that have the same heat resistance separating the cables as much as possible to increase heat radiation enables a greater amount of current to flow However wiring 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 cables
69. ing the LAN interface 1 Press CONFIG The CONFIG key lights and the SET key blinks The voltmeter displays the parameter number CFOO EFOGG The ammeter displays the corresponding setting ST SE Press CONFIG or turn the VOLTAGE knob to select the number of the parameter that you want to set When you press CONFIG the PMX series switches between the parameter numbers in the following order The displayed parameter numbers vary depending on the inter face that you select LAN CF00 CF20 L Fn CF30 measured value display USB CF00 CF20 55 CF50 measured value display RS232C CF00 CF20 2 3g measured value display When you turn the VOLTAGE knob the PMX switches between the parameter num bers The parameter numbers that are displayed when you turn the VOLTAGE knob are those within the ranges defined by the parameter numbers that pressing the CON FIG key switches between Turn the CURRENT knob to change the value of the parameter There are parameters whose values are applied immediately those whose values are applied after the power is turned off and then back on and those whose values are applied when CF33 or CF34 is executed To specify or display other parameters repeat step 2 and step 3 To stop specifying CONFIG settings proceed to step 5 Hold down CONFIG until the measured value display appears or LOCAL The PMX series exits from CONFIG settings You can also press SET OVP OC
70. ing the POWER switch off 12 Mounting the PMX Series to a Rack 12 Load Considerations 13 Load Cables omen 16 Connecting to the Output Terminals 17 ene EE 18 Local sensing eseeeeeseeeeeeeeeeeeeeeene 18 Remote sensing equipped only on models whose rated output voltage is 18 V or 35 V 18 Basic Functions Measured Value Display and Setting Display 22 Panel Operations sess 23 Output Operations sssssesnneseneeeee eenen erene 23 CC Power Supply and CC Power Supply 24 Using the PMX Series as a CV or CC Power SUPP AA AES ninn eenei 26 Protection Functions and Alarms 27 Alarm occurrence and clearing alarms 27 Protection function activation 28 CONFIG Settings ssess 31 CONFIG parameter details 35 Preset Memory Function 39 Saving settings to preset memory 39 Recalling preset memory entries 40 Locking Panel Controls Key lock 41 Switching from Remote Mode to Local Mode 41 Factory Default Settings Initialization 42 3 External Control General Description 44 About the J1 Connector 44 Output Terminal Insulation 46 When the output terminal is not grounded floating eese 46 When the output terminal is
71. ise rms 5 0 5 mV Rise time 8 Rated load 120 ms or less No load 120 ms or less Fall time Rated load 50 ms or less No load 270 ms or less 320 ms or less 270 ms or less 270 ms or less Maximum remote sensing compensation voltage 0 6 V single line Temperature coefficient 100 ppm C MAX Current Setting range 0A102 1A 0Ato5 25 A 0Ato1 05A 0At03 15A Setting resolution 0 1 mA Setting accuracy 0 3 of setting 0 1 of rating 2 Line regulation 5 mA Le Load regulation 5 mA 8 Ripple noise rms 5 1mA 2mA 1mA 1 mA 5 Temperature coefficient 200 ppm C A TYP o 1 When the output is on hold down SHIFT and turn the VOLTAGE or CURRENT knob to change the value at 1 10th the resolution of the minimum digit When the output is off hold down SHIFT and turn the VOLTAGE or CURRENT knob to change the value at increments of 1 in the minimum digit If you are setting the value through the communication interface you can set the value at 1 10th the resolution of the minimum digit regardless of whether the output is on 2 100 Vac to 90 Vac or 100 Vac to 110 Vac rated load 3 The amount of change that occurs when the load is changed from no load to rated load 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 05 1
72. ission terminator Device class Complies with the USBTMC USB488 device class specifica tions LAN Hardware IEEE 802 3 100Base TX 10Base T Ethernet Complies with the LXI 1 4 Core 2011 IPv4 RJ 45 connector Communication VXI 11 HiSLIP or SCPI RAW protocol Program message VXI 11 and HiSLIP LF or END during reception LF END dur terminator ing transmission SCPI RAW LF during reception LF during transmission 1 Use a cross cable null modem cable 2 Category 5 use a straight cable PMX PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A General specifications PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A Weight main unit only Approximately 6 kg 13 23 Ib Dimensions See the outline drawing Environ Operating environment Indoor use overvoltage category II ic Operating temperature 0 C to 40 C 32 F to 104 F Operating humidity 20 rh to 85 rh no condensation Storage temperature 25 C to 70 C 13 F to 158 F Storage humidity 90 rh or less no condensation Altitude Up to 2000 m Cooling method Forced air cooling using fan Grounding polarity Negative grounding or positive grounding possible Isolation voltage 550 Vdc With Between input and FG No abnormalities at 1500 Vac for 1 minute ais Between input and output No abnormalities at 2100 Vac for 1 minute Between output and FG No abnormalities at 2000 V
73. l voltage source is connected will vary The sink current is reduced at a low output terminal voltage Hardly any sink current flows near 0 V The sink currents indicated here are standard values M Sink current from an external voltage source when the power is off or the output is off Vout Output terminal voltage d Sink current Model State Unit 1 Vout 2 Vout 5 Vout 10 Vout 15 Vout 18 Vout PMX18 2A POWER off A 4 2 8 6 21 9 44 1 66 4 79 8 m PMX18 5A Output off 4 2 83 206 412 618 742 Vout Output terminal voltage A Sink current Model State Unit 2 Vout 5 Vout 10 Vout 15 Vout 20 Vout 25 Vout 30 Vout 35 Vout PMX35 1A POWER off A 6 3 16 2 32 7 49 2 65 7 82 3 99 2 119 0 m PMX35 3A Output off 60 150 300 450 600 750 900 1060 Vout Output terminal voltage Sink current Model State Unit 5 Vout 10 Vout 20 Vout 30 Vout 40 Vout 50 Vout 60 Vout 70 Vout PMX70 1A POWER off A 1 0 2 1 4 2 6 4 8 5 10 6 12 8 14 9 m Output off 37 0 39 0 41 0 43 0 45 0 48 0 50 0 53 0 Vout Output terminal voltage Sink current Model State Unit 5 Vout 10 Vout 20 Vout 30 Vout 40 Vout 50 Vout 100 Vout 110 Vout PMX POWER off A 1 1 2 1 4 1 6 1 8
74. lation that is greater than or equal to the isolation voltage of the PMX 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 PMX series For safety reasons connect one of the output terminals to the chassis terminal unless your application requires the output terminals to be floating Because the positive output terminal is at ground potential the section shown on a gray background must PMX have an insulation capacity greater than or equal to the maximum output voltage relative to the chassis Approximately the same electric potential as the negative output terminal NC output terminal Approximately the same electric potential as the negative output terminal NC Isolated from the negative Isolated from the negative output terminal External Control e 47 48 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 ZN CAUTION The signal cable may burn out Do not connect the Vext output that is leave it floating If you are connecting the shield to the Vext side do not connect the shield to the output ter minal of the PMX series Vext 2 core shielded wire PMX 4 Approximately the s
75. llution is addition of foreign matter solid liquid or gaseous that may produce a reduction of di electric strength or surface resistivity Pollution Degree 2 assumes that only non conductive pollu tion will occur except for an occasional temporary conductivity caused by condensation 5 This is a Class A equipment This product is intended for use in an industrial environment This prod uct 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 recep tion of radio and television broadcasts 6 This is a Group 1 equipment This product does not generate and or use intentionally radio frequen cy energy in the from of electromagnetic radiation inductive and or capacitive coupling for the treatment of material or inspection analysis purpose 77 PMX 78 PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A AC input PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A Nominal input rating 100 Vac 50 Hz 60 Hz single phase Input voltage range t 10 Input frequency range Inrush current MAX 47 Hz to 63 Hz 65 Amax or less 55 Amax or less 40 Amax or less 55 Amax or less 40 Amax or less Power MAX 230 VA 210 VA 210 VA 230 VA 17
76. m QVP OCP CONFIG LOCK LOCAL M 2 ZN WARNING 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 PMX series For the isolation voltage of each model Specifications on page 71 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 PMX series isolation voltage Control using an external voltage Vext VoLt To use an external voltage Vext to control the output current set CC control using an exter nal voltage or external resistance in the CONFIG settings to external voltage control CF04 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 10 V Output current lo Irtg x Vext 10 A Irtg Rated output current A Vext External voltage V AUTION Seating If you do the PMX series may malfunction 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 PMX The signal cable may burn out Do not connect the Vext output that is leave it floating External Control e 51 52 Output Current Control See p 48 External voltage Vext connection Connect a low noise stable volt
77. m and turn the POWER switch back on Series operation connection Connecting the load 7 WARNING Risk of electric shock Turn the POWER switch off before you touch the output termi nal N CAUTION To prevent oscillation connect an electrolytic capacitor with a capacitance of a few hundred uF to a few ten thousand uF across the load as necessary If the wires are long the wiring inductance and capacitance can cause phase shifting at a level that can not be ignored This may lead to oscillation Use an electrolytic capacitor with a withstand voltage that is 120 or more of the total of the rated output voltages of the PMXs that are connected in series PMX Load or relay terminal block Output terminals Chassis terminal Unit 1 Output terminals Chassis terminal A Connect the short bar to any one unit Connect it to the negative Unit 2 or positive output terminal 62 PMX Series Operation Turn off all the PMXs that you want to connect in series 2 Use load cables to connect each unit 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 regulation become large Connect the output terminals of each unit in series Connect the positive or negative output terminal of one of
78. model Specifications on page 71 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 PMX series isolation voltage 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 PMX series Even if you use cables that are designed to suppress noise the PMX 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 CON FIG parameter CF06 on Then select the logic setting from the following two options Turn the output on with a low signal CF07 Lo Output is turned on when a low 0 V to 0 5 V signal is applied to pin 18 of the J1 connec tor or the pin is shorted External Control Turn the output on with a high signal CF07 Hi Output is turned on when a high 4 5 V to 5 V signal is applied to pin 18 of the J1 connec tor or the pin is opened When you are using an external contact to turn the output off the OUTPUT key on the front panel becomes invalid Y represents that OUTPUT has been pressed External contact H On ALT Or L Off 8 Off n The OUTPUT
79. n output 2 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 When remote sensing is used connect the monitor signal s common line to the negative S terminal of the sensing terminal When remote sensing is not used connect it to the negative output terminal 2 J1 connector on the rear panel 3 Photocoupler open collector output maximum voltage 30 V maximum current sink 8 mA isolated from the output and control circuits status commons are floating isolation voltage or less and status signals are not mutually isolated Control features Common specifications External control EXT V CV CONT O 96 to 100 of the rated output voltage in the range of CV external voltage control 0 V to 10 V Accuracy 1 96 of rating EXT R CV CONT O 96 to 100 of the rated output voltage in the range of CV external resistance control 0 O to 10 kQ EXT V CC CONT Accurac 1 96 of rating 0 to 100 of the rated output current in the range of CC external voltage control OVto 10 V Accuracy 1 of rating EXT R CC CONT 0 to 100 of the rated output current in the range of CC external resistance control 0 Q to 10 kQ Accurac 1 96 of rating OUTPUT ON OFF CONT Possible logic selections Output on off control Turn the output on using
80. n the PMX series The screen captures are merely examples The following markings are used in the explanations in this manual 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 Indicates a reference to detailed information Cem Indicates a reference to a manual containing detailed information CFxx x CF indicates that this is 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 letters 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 Contents About the PMX Manuals 2 Product Overview sssssss 3 Safety Precautions nn 3 Precautions Concerning Installation Loca UON aaa 3 Notations Used in This Guide 3 Search by Topie 5 Component Names 6 Preparation Connecting the Power Cord 10 Turning the Power On 11 Turning the POWER switch on 11 Turn
81. n the Voltage knob to select a calibration parameter Each time you turn the Voltage knob the calibration parameter changes Press SET to save the calibration settings and end calibration Press LOCK to not save the calibration settings and end calibration Calibration mode display PRESET A B 1 GI I5 VIS Calibration parameter EEE D ce E E Calibration data LANG LOCK REMOTE Output voltage offset v Output voltage full scale v Output current offset v Output current full scale v Voltmeter offset v Voltmeter full scale v Ammeter offset v Ammeter full scale v Overvoltage protection OVP v Overcurrent protection OCP The voltmeter displays the calibration parameter and the ammeter displays the calibration data The calibration parameters change in the following order un 3 m m Maintenance 67 68 Calibration Voltage system calibration PMX Output terminals 1 Turn the POWER switch off Chassis terminal a 2 Connect a DVM to the output terminals B Output voltage offset Use the VOLTAGE knob to select the item and turn on the output Turn the CURRENT knob to set the DVM s output voltage reading to 1 of the rated voltage m Output voltage full scale Use the VOLTAGE knob to select the item and turn on the output Tu
82. n the p 11 14 DC OUTPUT negative Output terminal p 17 15 Short bar A bar that connects the output terminal to the chassis terminal p 59 p 62 16 Chassis terminal A connector for grounding the output 17 DC OUTPUT positive Output terminal p 17 18 Air inlet Air inlet for cooling the inside of the PMX series 19 Voltmeter Displays the voltage CONFIG parameter number or alarm p 22 p 27 20 Ammeter Displays the current the value of a CONFIG parameter or the cause of an alarm p 31 ALARM Lights in red when a protection function has been activated LAN Lights and blinks when the LAN interface is in use No fault status Lights in green 21 Status LEDs Fault status Lights in red a Standby status Lights in orange WEB identify status Blinks green LOCK Lights in green when the keys are locked REMOTE Lights in green during remote control A Lights in green when the memory A values are being recalled or saved 22 PRESET LED B Lights in green when the memory B values are being recalled or saved p 39 C Lights in green when the memory C values are being recalled or saved 23 CVLED Lights in green during constant voltage mode p 26 24 CCLED Lights in red during constant current mode p 26 25 OUTPUT terminal cover Protection cover p 17 1 The remote sensing function is not available on models with rated output voltage of 70 V or higher 2 Models whose rated output voltage is 70 V or higher are factory shipped with an outp
83. n you connect the output terminals to the chassis terminals be sure to connect the same polarity output terminals positive or negative to the chassis terminals If you con nect different polarity output terminals to the chassis terminal the output will be grounded through the power cord s GND wire Not only will this make the output incorrect it will also cause the chassis terminal cable to burn out ZNCAUTION To prevent oscillation connect an electrolytic capacitor with a capacitance of a few hun dred pF to a few ten thousand uF across the load as necessary If the wires are long the wiring inductance and capacitance can cause phase shifting at a level that can not be ignored This may lead to oscillation Use an electrolytic capacitor that has a withstand voltage that is at least 120 of the rated output voltage 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 PMX Load or relay terminal block Output terminals Chassis terminal Unit 1 Output terminals Connect the short bar to the negative or positive output terminal For all power supplies connect to the same polarity Load connections for parallel operation of two units In this example the negative side is connected to the chassis terminal Ch Chassis terminal 9 Unit 2 Wi PMX Parallel Series Operation 59 Parallel O
84. nductor terminal to earth ground 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 The power cord with a plug can be used to disconnect the PMX 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 supplied power cord with other instruments 1 Check that the AC power line meets the nominal input rating of the product The nominal input rating of this product is indicated on the rear panel The product accepts 50 Hz or 60 Hz The supply voltage is set before factory shipment by a Kikusui ser SUPPLY voiraae vice engineer If the voltage is set to another setting a mark will be EE indicated to the left of the appropriate voltage Be sure to check the nominal input rating before connecting the power cord 200V 217V 234V The example of supply voltage 100 Vac 2 Check that the POWER switch is turned off 3 Connect the power cord to the AC inlet on the rear panel 4 Insert the power plug into a grounded outlet
85. nstant current the peak values may exceed the set constant current If this happens the PMX series is instantaneously put into constant current mode and the output ed voltage drops o For these types of loads you must increase the set constant current or increase the current A capacity Constant current setting Constant current setting TTE Ammeter reading mean value Ammeter reading mean value Load current with peaks Pulse shaped load current Loads that generate reverse current to the power supply The PMX 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 Equivalent circuit of the PMX Regenerative load Ho Ro 2 lt ZO ft Irp A g 5 E Rp Reverse current bypass dummy load 50 Eo Output voltage 29 R Irp Maximum reverse current gt amp v Reverse current OS lo CAUTION 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 e e e 13 e 14 Load Considerations Loads with accumulated energy Connecting a load with accumulated energy such as a battery to the PMX seri
86. nute Between output and FG No abnormalities at 1600 Vdc for 1 minute Insulation Between input and FG 500 Vdc 30 MQ or more resistance Between input and output 500 Vdc 30 MA or more Between input and output 500 Vdc 30 MO or more Safety 1 Complies with the requirements of the following directive and standard Low Voltage Directive 2006 95 EC EN 61010 1 Class 13 Pollution degree 2 Electromagnetic compatibility 2 Complies with the requirements of the following directive and standards EMC Directive 2004 108 EC EN 61326 1 Class A 5 EN 55011 Class A 5 Group 1 9 EN 61000 3 2 EN 61000 3 3 Applicable under the following conditions The maximum length of all cabling and wiring connected to the PMX A must be less than 3 m Accesso ries Power cord 1 pc Packing list 1 copy Quick reference Japanese 1 copy English 1 copy Chinese 1 copy Safety precautions 1 copy CD ROM 1 disc Does not apply to specially ordered or modified PMX As 2 Limited to products that have the CE mark on their panels Specifications CE mark does not apply unless you use a USB cable with a ferrite core Kikusui recommended ca ble Elecom U2C BF series USB cable with a ferrite core less than 3 m 3 This is a Class equipment Be sure to ground this product s protective conductor terminal The safe ty of this product is only guaranteed when the product is properly grounded 4 Po
87. perates in CV mode point p In this case the set current Is equals the current limit When the PMX series is operating in CV mode the output voltage is maintained at the set voltage Output current 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 limit Is must be set higher than the peak value Conversely if load resistance RL is less than resistance Rc the operating point is in area B and the PMX series operates in CC mode point q In this case set voltage Vs equals the voltage limit When the PMX series is operating in CC mode the output current is maintained at the set current Output voltage 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 voltage limit Vs must be set higher than the surge voltage B Crossover point The PMX 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 switches For example when operating in CV mode if the load changes and the output current reaches the current limit the PMX series automatically switches to CC mode to protect the load
88. peration Turn off all the PMXs that you want to connect in parallel Connect the load cables to the output terminals of each unit Connect the load cables of each unit to the load If you are going to use a relay terminal block make sure that the wires used to connect the units are as short as possible Use load cables that have sufficient current capacity Use load cables of equivalent length and cross sectional area to connect to each unit and wire the cables so that they are as short as possible M 4 Connect the output terminals positive or negative of the units you want to operate in parallel to the chassis terminals Connect the same polarity output terminals on each unit If you are using the units under floating conditions do not connect the terminals Parallel operation settings Setting the voltage and current Set the voltage and current on each unit The current that is output is the total of the currents of all the units Set the voltage and current to the same values on each unit Setting the overvoltage protection OVP and overcurrent protec tion OCP You have to set the overvoltage protection OVP and overcurrent protection OCP on both units Specify the same values on each unit Starting parallel operation Turning the power on and off Turn on or off the POWER switch of each unit After you turn the POWER switch off wait at least 10 seconds after the panel display turns off befor
89. produce a reduction of dielectric strength or surface resistivity Pollution Degree 2 assumes that only non conductive pollution will occur except for an occasional temporary con ductivity caused by condensation 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 from of electromagnetic radiation inductive and or capacitive coupling for the treatment of material or inspection analysis purpose o e PMX s 83 o 84 PMX70 1A PMX110 0 6A PMX250 0 25A PMX350 0 2A PMX500 0 1A Dimensions Diameter 21 x 4 M3 screw holes x 4 Rubber foot diameter Max screw insertion depth 4 mm 0 16 inches og ees 7 e d e e ei e e 4 di e o8 oc f 2 57 2 24 230 9 06 MAX350 13 78 MAX20 107 4 21 0 79 315 12 40
90. r OUTPUT D co 2 LANG Locke REMOTE Value display e CONFIG setting and display examples LTE D CC Q aO Blinking PES Wit Basic Functions D Display Parameter Setting or display description Note switching number SYSTEM CF00 Resets the panel settings A CF01 Power on output status parameter B CF02 Memory content display parameter A CF03 Key lock parameter A CF04 2 CC control using an external voltage or external resistance A CF05 2 CV control using an external voltage or external resistance A CFo6 2 External control parameter for turning output on and off A CF07 External control logic parameter for turning output on and off A CF08 Output on startup state parameter A INTERFACE CF20 Remote interface parameter B CF21 SCPI communication error display parameter A LAN CF30 DHCP parameter BorC CF31 AUTO IP address parameter BorC CF32 MANUAL IP address parameter BorC CF33 Resets the LAN interface settings LCI A CF34 Restarts the LAN interface REBOOT A CF35 IP address display 1 CF36 IP address display 2 CF37 IP address display 3 CF38 IP address display 4 CF39 MAC address display 1 and 2 CF40 MAC address display 3 and 4 CF41 MAC address display 5 and 6 USB CF50 VID vendor ID display CF51 PID product ID display 1 This parameter affects the PMX series when the p
91. ries Alarm occurrence OUTPUT behaves as follows Deo 5151818 21228 Output Off The ALARM LED in the front panel display area lights to indicate that an alarm has occurred The voltmeter indi OHP alarm indication cates the cause of the alarm The alarm signal is generated from pin 13 of the J1 connector SET OVP CsF Lit LOCAL Q O c OO ALMCLR A E C SHIFT Clearing alarms Press ALM CLR SHIFT SET or turn off the POWER switch Fix the problem that caused the alarm and turn the POWER switch back on If an alarm still occurs even after you have corrected all the causes of alarms the PMX 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 ter Ji connedior minals through an open collector photo coupler Maximum voltage 30V The CV CC output on and power on sig Maximum current 8 mA nale share a common ground PMX Basic Functions D 27 28 Protection Functions and Alarms Protection function activation Overvoltage protection OVP and overcurrent protection OCP The overvoltage protection function is activated when the output terminal voltage exceeds the set voltage OVP trip point The overcurrent protection function is activated when the output current e
92. rn the CURRENT knob to set the DVM s output voltage reading to 100 of the rated voltage B Voltmeter offset Be sure to calibrate the output voltage before calibrating the voltmeter 1 Use the VOLTAGE knob to select the item and turn on the output 2 Press OVP OCP 3 While viewing the PMX voltmeter turn the CURRENT knob to match the PMX voltage reading to the DVM reading B Voltmeter full scale Be sure to calibrate the output voltage before calibrating the voltmeter 1 Use the VOLTAGE knob to select the item and turn on the output 2 Press OVP OCP 3 Turn the CURRENT knob to match the PMX voltage reading to the DVM reading B Overvoltage protection OVP 1 Use the VOLTAGE knob to select the item and turn on the output 2 Press OVP OCP The OVPeOCP key lights and automatic calibration starts 3 When the calibration is complete the OVP OCP key turns off NOTE If you press LOCK during calibration while the SET key is lit the calibration will end without the calibration settings being saved PMX Calibration PMX Current system calibration PMX Output terminals 1 Turn the POWER switch off 2 Connect a shunt to the output termi nals and connect a DVM across the shunt Chassis terminal m Output current offset Use the VOLTAGE knob to select the item and turn on the output Turn the CURRENT knob to set the DVM s output current reading converted current value
93. rnal resistor Rext becomes loose an excessive voltage may be applied to the load For Rext use a resistor that is rated at approximately 10 kO 1 2 W or greater that has a low temperature coefficient and that will change little over time Examples of such resistors are metal Rex film or wire wound resistors 2 core shielded wire or twisted pair wire EMA 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 PMX series and the external contact is long it becomes easy for noise to influence the operation of the PMX series Even if you use cables that are designed to suppress noise the PMX series may not operate prop erly If you use a shielded cable connect the shield to the negative output terminal Use pins 6 and 7 ofthe J1 connector PMX Output Current Control This section explains how to control the output current using an external voltage Vext or an external variable resistor of approximately 10 KQ Rext If the output current is being controlled the panel display varies depending on the display sta tus In setting display the ammeter displays Setting display 110 07 ES Measured value display OUTPUT E Q ALARM LAN oe REMOTE PRESET A B C SET OVP OCP CONFIG LOCK LOCAL 00600 agin A SHIFT E Eu
94. s CF34 Restarts the LAN interface REBOOT This parameter restarts the LAN interface The LAN interface settings that you have specified do not change Display 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 PMX series through a Web browser When you access the PMX series through a Web browser do so under conditions in which a DHCP server or AUTO IP can be used For details on the Web interface see the Communication Interface Manual Parameter number Display Description CF35 Oto 255 Displays the first IP address number CF36 0t0255 Displays the second IP address number CF37 0t0255 Displays the third IP address number CF38 0t0255 Displays the fourth IP address number 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 MAC addresses are set to 00 0F CE xx xx xx where x is a hexadecimal number between 0 and F 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
95. s see the TE Connectivity former AMP catalogs For information about how to obtain these tools or replacement parts contact your Kikusui agent or distributor Connector type 5747461 3 made by TE Connectivity former AMP Plug type 745211 7 made by TE Connectivity former AMP Wire diameter AWG26 to AWG22 Manual pressure Handle assembly 58074 1 made by TE Connectivity former AMP welding tool Head assembly 58063 2 made by TE Connectivity former AMP Insertion extraction tool 91232 1 made by TE Connectivity former AMP or equivalent PMX About the J1 Connector J1 connector pin arrangement AJ 1 2 3 4 5 6 7 8 E Pin number positions when you are 11 facing the rear panel 12 13 Pin NG Signal name Description 5 1 VMON Output voltage monitor outputs 0 V to 10 V for 0 to 100 of the rated output voltage t o 2 IMON Output current monitor outputs 0 V to 10 V for 0 to 100 96 of the rated output current o 3 ACOM External signal common for pins 1 2 4 and 14 E kn 4 EXT V CV CONT Output voltage control using external voltage receives 0 V to 10 V to output 0 to 100 of the KI rated voltage x LL 5 ACOM External signal common for pins 1 2 4 and 14 1 6 EXT R CV CONT Output voltage control using external resistance uses 0 Ato 10 ka to output 0 to 100 of the rated voltage 7 EXT R CV CO
96. s connected to the PMX series The output ripple is large Is there a large amount of external voltage Take measures against noise during external control noise The ripple increased when Are the remote sensing cables con When you are not using remote sensing p 18 the load cable was changed nected disconnect the remote sensing cables Unable to perform panel operations Symptom Unable to perform panel operations Items to check Remedy Is the LOCK LED lit Release the panel operation lock p 41 Is the REMOTE LED lit To control the PMX series from the panel p 41 Is the PMX series being controlled via the RS232C USB or LAN interface press the LOCAL switch to switch to local mode The PMX series does not Switch to local mode even when the LOCAL switch is pressed Was a local lockout llo command sent through the communication interface Send the SYST LOC communication command to clear the local lockout llo status PMX 89 90 The ALARM LED lights when the OUTPUT switch is turned on Symptom Items to check Remedy The ALARM LED lights Is the OVP activation point set to a value Set the OVP activation point to a value p 28 when the OUTPUT switch is less than the output voltage higher than the output voltage Abs Is the OCP activation point set to a value Set the OCP activation point to a value less than the output current higher than the ou
97. supply CC mode How do operate the PMX series at a spe Preset Memory Function cific current How do I save current val ues to the preset memory How do control the output voltage with Output Voltage Control an external DC voltage How do monitor the output voltage and External Monitoring output current How do prevent the settings from being Locking Panel Controls Key lock changed How do clean the PMX series See the included Safety information document or the electronic version of the document on the CD ROM How do I calibrate the PMX series Calibration See Troubleshooting on page 88 Component Names Front Panel 12 3 Display area 4 PMX18 2A PMX18 5A PE PMX35 1A PMX35 3A EIKIKUSUI A DC POWER E 200g DON ALARM LAN LOCK REMOTE OUTPUT 5 SET 2 ger CONFIG ae SOCAL 9 2 UQ QC 6 AMAIR A B 7 gt gt Display area Common 14 1516 17 18 2 3 Display area 4 p PMX70 1A PMX110 0 6A i PMX250 0 25A PMX350 0 2A SIKIKUSUN Sieso i DU PMX500 0 1A ANN m S z na LI JA LAN LOCK REMOTE CURRENT 6 ALMCLR A 7 E ZNDC OU POWER 14 1516 17 18 PMX No Name Function 1 OUTPUT key Used to turn outpu
98. t maximum voltage 30 V maximum current sink 8 mA the status common is floating isolation voltage or less it is isolated from the control circuit e e PMX 2 45 9 46 OC 1 1 1 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 PMX series For the isolation voltage of each model Specifications on page 71 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 PMX series The signal cable may burn out If the PMX 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 PMX series with respect to the chassis Isolation voltage indicates the maximum allowed volt age that appears across the output terminal 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 PMX series is isolated
99. t on and off p 23 2 OUTPUT LED Lights when the output is on green p 23 Handle Handle for carrying VOLTAGE knob Used to set the voltage value or change the value of a CONFIG parameter p 23 p 32 FINE Used to make fine voltage value adjustments p 23 5 SET key Used to set and confirm the output voltage and output current the key has an LED p 22 ALM CLR key Used to release protection functions that have been activated the key has an LED p 27 OVP OCP key cee Sr i kh e protection OVP and overcurrent protection p 28 A Used to recall and save the value of preset memory A the key has an LED p 39 7 CONFIG key Used to configure the various operating conditions the key has an LED p 31 B Used to recall and save the value of preset memory B the key has an LED p 39 g CURRENT knob Used to set the current value or change the value of a CONFIG parameter p 23 p 31 FINE Used to make fine current value adjustments p 23 9 LOCAL key Used to switch between local mode and remote mode p 41 SHIFT key Used to enable the functions that are written in blue characters below the key 10 LOCK key Used to lock the operation of panel keys rotary knob etc p 41 C Used to recall and save the value of preset memory C p 39 11 Sensing switch Used to turn remote sensing on and off p 19 12 Sensing terminal 1 Terminals to connect the sensing cables to p 19 13 POWER switch GE to the 1 side to turn the power on Flip it to the O side to tur
100. t 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 PMX18 2A PMX18 5A PMX35 1A PMX35 3A AC input PMX18 2A PMX18 5A PMX35 1A PMX35 3A Nominal input rating 100 Vac 50 Hai 60 Hz single phase Input voltage range 10 Input frequency range 47 Hz to 63 Hz Inrush current MAX 50 Amax or less 60 Amax or less 45 Amax or less 60 Amax or less Power MAX 150 VA 310 VA 150 VA 310 VA 1 2 3 117 Vac 200 Vac 217 Vac and 234 Vac are factory options 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 With the rated load PMX PMX18 2A PMX18 5A PMX35 1A PMX35 3A Output PMX18 2A PMX18 5A PMX35 1A PMX35 3A Rating Output voltage 18 00 V 18 00 V 35 00 V 35 00 V Output current 2 000 A 5 000 A 1 000 A 3 000 A Output power 36 W 90 W 35 W 105 W Voltage Setting range O V to 18 90 V O V to 18 90 V 0 V to 36 75 V 0 V to 36 75 V Setting resolution 1 mV Setting accuracy 0 2 of setting 0 1 of rating Line regulation 1 mV 1 mV 3 mV 3 mV Load regulation 3 2 mV 5 mV 3 mV 4 mV Transient response 50 Us Ripple no
101. tact to turn the output off this parameter is invalid This parameter is applied when you turn the POWER switch off and on Value Description SAFE The PMX series starts with the output turned off factory default set ting Auto The PMX series starts with the output set to the condition that was used immediately before the POWER switch was turned off ForC The PMX series starts with the output turned on CF02 Memory content display parameter 40 Sets whether to display the saved contents in the preset memory before recalling them N P You can use this CONFIG parameter if you forget what settings have been saved or if you want to view the saved settings Value Description oFF The saved contents of preset memory will be recalled without display ing them on The saved contents of preset memory will be displayed and then recalled after confirmation factory default setting CF03 Key lock parameter p 41 The key lock feature locks the panel Select from the following three values Value Description Loc1 Only the OUTPUT key and recalling of settings using memory keys A B and C are allowed Loc2 Only the OUTPUT key can be used Loc3 All keys and rotary operations are disabled factory default setting e e PMX e 35 e CONFIG Settings CF04 CC control using an external voltage or external resistance Selects whether the output current will be controlled by an external voltage or external resis
102. ted current display PMX18 5A in this example IOC firmware version display Version 1 10 in this example IFC firmware version display Version 1 00 in this example Interface display The LAN interface is selected in this example If you select the LAN interface and the interface display remains showing for approximately 30 seconds when the POWER switch is turned on the PMX series is waiting for a response from the DHCP server W Inrush current When the POWER switch is turned on an inrush current flows Check that sufficient current capacity is available in the AC power line or the switchboard particularly if you are using mul tiple PMXs and turning on their POWER switches simultaneously For the inrush current of each model Specifications Preparation 11 12 Mounting the PMX Series to a Rack Turning the POWER switch off p 35 ZA CAUTION Flip the POWER switch to the O side to turn the PMX series off The PMX 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 CF01 to select how the PMX 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
103. th the USBTMC USBA88 device class specifica tions LAN Hardware IEEE 802 3 100Base TX 10Base T Ethernet Complies with the LXI 1 4 Core 2011 IPv4 RJ 45 connector Communication VXI 11 HiSLIP or SCPI RAW protocol Program message VXI 11 and HiSLIP LF or END during reception LF END dur terminator ing transmission SCPI RAW LF during reception LF during transmission 1 Use a cross cable null modem cable 2 Category 5 use a straight cable PMX PMX18 2A PMX18 5A PMX35 1A PMX35 3A General specifications PMX18 2A PMX18 5A PMX35 1A PMX35 3A Weight main unit only Approxi Approxi Approxi Approxi mately 5 kg mately 6 kg mately 5 kg mately 6 kg 11 02 Ib 13 23 Ib 11 02 Ib 13 23 Ib Dimensions See the outline drawing Environ Operating environment Indoor use overvoltage category II mental Operating temperature 0 C to 40 C 32 F to 104 F conditions Operating humidity 20 rh to 85 rh no condensation Storage temperature Storage humidity 25 C to 70 C 7 13 F to 158 F 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 70 Vdc With Between input and FG No abnormalities at 1500 Vac for 1 minute ra Between input and output No abnormalities at 2100 Vac for 1 mi
104. 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 correct the problem connect an electrolytic capacitor across the load Electrolytic capacitor to connect across the load Capacitance 0 1 uF to a few hundred uF Withstand voltage At least 120 of the rated output voltage of the PMX series m If you are inserting a mechanical switch between the PMX series and the load If you want to connect and disconnect the load using a mechanical switch that is inserted between the PMX 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 PMX Basic Functions This chapter describes how to turn the out put on and off and the basic operations that you can perform from the front panel Measured Value Display and Setting Display The voltage and current displays have the following two states Measured value display Setting display In addition to the voltmeter and ammeter the PMX series can display the set OVP or OCP and the system configuration Measured value display The present output voltage and output current are displayed In OUTPUT 101818 V this situation the SET key is off You can chang
105. to 0 5 V or short cir cuit 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 cir cuit turn the output off using a LOW 0 V to 0 5 V or short circuit 1 J1 connector on the rear panel Other features Common specifications Preset memory Up to three sets of the following settings can be saved the set voltage and the set current Key lock Select from the following three modes Loc1 Locks the operation of all keys except the OUTPUT key and the preset memory A B and C keys Loc2 Locks the operation of all keys except than the OUTPUT key Loc3 Locks the operation of all keys and the rotary knob Specifications e 76 PMX18 2A PMX18 5A PMX35 1A PMX35 3A Interface Common specifications Common Software protocol IEEE Std 488 2 1992 specifications Command language Complies with SCPI Specification 1999 0 RS232C Hardware Complies with the EIA232D specifications D SUBS pin connector male 1 Baud rate 19200 bps fixed Data length 8 bits Stop bits 1 bit Parity bit None No flow control Program message LF during reception LF during transmission terminator USB Hardware Complies with the USB 2 0 specifications Baud rate 12 Mbps full speed Socket B Type Program message LF or EOM during reception LF EOM during transmission terminator Device class Complies wi
106. tput current Is the remote sensing feature turned on When you are not using remote sensing p 18 turn off the sensing switch Set up the environment so that the voltage p 18 drop in each load cable is within the com pensation voltage range 0 6 V for a single line Are the polarities of the remote sensing The polarities of the remote sensing p 18 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 external control with a loose Connect the cable correctly p 44 control cable Is the external voltage excessive during Apply the correct voltage p 49 external control p 51 Is the internal temperature too high The overheat protection function OHP p 30 has been activated Check the operating environment MANUAL SPEC The louver may be clogged or the fan E may be broken Check these items The ALARM LED lights Is a large external voltage such as that of The overvoltage protection function OVP p 27 when the load is changed a battery load being applied Is the actual output voltage higher than the set voltage that is displayed on the panel or the overcurrent protection function OCP may have been activated Check these items The PMX series may be overloaded Check the load Is a special load connected The PMX series may be overloaded Check the load Unable to perform remote control Symptom Items to c
107. ut terminal cover PMX 25 Rear Panel A w i RS232C AH e 30 g x 28 AAC INPUT 50 60Hz 310VA MAX Ge NG LINE KIKUSUI VOLTAGE ELECTRONICS TES CORP 20 A Serial number Es MADE IN CHINA 29 No Name Function 1 USB USB port for controlling the PMX series remotely 2 RS232C RS232C port for controlling the PMX series remotely G 3 LAN Ethernet port for controlling the PMX remotely Interface manual 4 Air outlet Air outlet for cooling the inside of the PMX series 5 AC INPUT AC inlet p 10 6 Ji External control connector p 44 7 Si Maintenance switch Kikusui service engineers use this switch only during maintenance and servicing It is not used in normal circumstances The LED is off when the switch is on the side PMX Preparation This chapter describes how to turn on the PMX series what kind of load cables to use and how to connect cables to the out put connectors 10 Connecting the Power Cord Z WARNING This product conforms to IEC Overvoltage Category II energy consuming equipment that is supplied from a fixed installation Risk of electric shock This product conforms to IEC Safety Class equipment that has a protective con ductor 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 co
108. verting the J1 connector of this product to the J2 connector of the Kikusui PMC A Series Regulated DC Power Supply 87 PMX B Troubleshooting p 42 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 If none of the items apply to your case we recommend that you initialize the PMX series to its factory default settings If the remedy does not correct the problem contact your Kikusui agent or distributor The power does not turn on Symptom Items to check Remedy The PMX series does not Is the power cord broken Exchange the power cord with a new one p 10 operate when the POWER Is the power cord connected cor Yes Exchange the power cord with a new one Switch is turned on rectly y No Connect the power cord correctly When the POWER switch is Is the PMX series configured to use a If a DHCP server is not available or if the p 37 turned on it takes time DHCP server for the LAN interface before the operation ready Screen appears network environment is not in good condi tion it may take time for the PMX series to start Configure the PMX series to not use a DHCP server in the CONFIG settings CF30 oFF or consult your network administrator No output is generated Symptom Items to check Remedy No output is generated even Is t
109. xceeds the set cur rent OCP trip point The OVP and OCP trip points need to be set to appropriate values Immediately after you purchase the PMX series or immediately after a load is changed set the OVP and OCP trip points to values that are appropriate for the load m Setting the OVP and OCP trip points OVP trip point OUTPUT PRESET A B o SET VI N zoue LOCK LOCAL 3 SO Lit S T OCP trip point CURHENT DNE OVP and OCP trip point displays 1 Press OVP OCP The OCP e OVP key lights and the OVP trip point and OCP trip point are displayed in the display area The PMX series OVP operates according to the output terminal voltage If you want to activate 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 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 Hold down SHIFT while you turn the VOLTAGE knob or CURRENT knob to make small changes to the value OVP setting range 10 to 110 of the rated output voltage OCP setting range 10 to 110 of the rated output current OVP setting OCP setting PMX18 2A 1 8 V to 19 8 V 0 2 Ato 2 2 A PMX18 5A 1 8 V to 19 8 V 0 5At05 5A PMX35 1A 3 5 V to 38 5 V 0 1At0 1 1A PMX35 3A 3 5 V to 38 5 V 0 3 A to 3 3
110. y changing the settings ID The following three key lock modes are available Use CONFIG parameter CF03 to set the n ose p 35 mode o Key lock 1 Loc1 Lock all keys except the OUTPUT and memory A B and C keys S Key lock 2 Loc2 Locks all keys except the OUTPUT key o Key lock 3 Loc3 Lock all keys and the rotary knob E LL RS 1 Configure all the settings such as the output voltage and output cur 2 rent as necessary a 2 Hold down LOCK 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 until the LOCK LED turns off Switching from Remote Mode to Local Mode When the PMX series is being controlled remotely the REMOTE LED in the display area lights OUTPUT GI oz ALARM LAN LOCKSPREMOTE NY t PRESET A B 2 SET OVP OCP CONFIG LOCK LOCAL ALMCLR A C SHIFT To switch the PMX series to local mode from the front panel press LOCAL PMX 41 42 Factory Default Settings Initialization If you hold down LOCK and LOCAL and turn the POWER switch on the PMX series will be reset to the factory default settings The factory default settings are shown below B Basic settings Basic item Description Output voltage OV Output current Maximum settable current OVP overvoltage protection 110 ofthe rated output voltage OCP overcurrent protection 110 of the rated output

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