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5-2 Application Operation

PLZ-U

5.1

Soft Start

The PLZ-U can be set to start up slowly of the input current of the PLZ-U (soft-
start) in the constant current (CC) mode when the applying voltage and the turning
on the load at the same time, or when the voltage applied with 0 V input of the load
input while the load is turned on.
When the soft-start time is appropriately set, the distortion of output voltage from
the DUT can be suppressed. Set the soft start in accordance with the rise time of the
DUT.

Fig.5-1

Operation of the soft start function

■

Procedure

Fig. 5-2

Keys used in soft start

1.

Select the channel.

Press the ENTRY key of the desired channel.

The channel display of the frame shows the selected channel number,
and the settings of the channel can be changed.

2.

Switch to soft start setting.

Press the S.START (SHIFT + SLEW RATE) key.

The S.START key illuminates, and the “ms” unit LED illuminates.

Time

0

Time

0

When soft start is inappropriate

When soft start is appropriate

Rise time of DUT
Rise time of PLZ-0U

Preset current

Preset current

Soft start time

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Summary of Contents for PLZ-30F

Page 1: ...Part No Z1 002 982 IB00485B Mar 2018 OPERATION MANUAL ELECTRONIC LOAD PLZ U Series PLZ 70UA PLZ 150U PLZ 30F PLZ 50F ...

Page 2: ...e manual gets lost or soiled a new copy can be provided for a fee In either case please contact Kikusui distributor agent and provide the Kikusui Part No given on the cover This manual has been prepared with the utmost care however if you have any questions or note any errors or omissions please contact Kikusui distributor agent Reproduction and reprinting of this operation manual whole or partial...

Page 3: ...ly hazardous situation which if ignored may result in damage to the product and other property Shows that the act indicated is prohibited Is placed before the sign DANGER WARNING or CAU TION to emphasize these When this symbol is marked on the product see the relevant sections in this manual Indicates a protective conductor terminal Indicates a chassis frame terminal OR WARNING CAUTION DANGER Safe...

Page 4: ...me or consumer use Purposes of use Do not use the product for purposes other than those described in the operation manual Input power Use the product with the specified input power voltage For applying power use the power cord provided Note that the provided power cord is not use with some products that can switch among different input power voltages or use 100 V and 200 V without switching betwee...

Page 5: ...ual be included when the product is relocated Operation Check that the AC input voltage setting and the fuse rating are satisfied and that there is no abnormality on the surface of the power cord Be sure to unplug the power cord or stop applying power before checking If any abnormality or failure is detected in the products stop using it immediately Unplug the power cord or disconnect the power co...

Page 6: ...6 2 5 Connecting the Power Cord 2 8 2 6 Power Up 2 9 2 7 Load Wiring 2 11 2 7 1 Precautions Concerning Wiring 2 11 2 7 2 Connection to the Load Input Terminal on the Rear Panel 2 15 2 7 3 Connection to the Load Input Terminal on the Front Panel 2 17 Chapter 3 Names and Functions of Parts 3 1 3 1 Front Panel 3 2 3 1 1 Frame 3 2 3 1 2 Load Unit Channel 3 8 3 2 Rear Panel 3 11 Chapter 4 Basic Operati...

Page 7: ... 3 Factory Default Settings of Setup Memories 5 34 Chapter 6 Remote Control 6 1 6 1 Overview 6 2 6 2 Instrument Interface Standard 6 2 6 3 Using SCPI Commands 6 3 6 3 1 Hierarchy of SCPI Commands 6 3 6 3 2 Parameter Format 6 6 6 4 Interface Setup 6 10 6 4 1 GPIB Control 6 10 6 4 2 RS 232C Control 6 11 6 5 SCPI Commands 6 13 6 5 1 IEEE 488 2 Common Commands 6 13 6 5 2 Channel Commands 6 17 6 5 3 Me...

Page 8: ...c Operation Modes A 2 A 2 1 Operation of the CC Mode A 2 A 2 2 Operation of the CR Mode A 4 A 2 3 Operation of the CV Mode A 6 A 2 4 Operation of the CC CV Mode A 8 A 2 5 Operation of the CR CV Mode A 10 A 3 Operating Area of Each Model A 13 A 3 1 Operating Area of the PLZ150U A 13 A 3 2 Operating Area of the PLZ70UA A 14 A 4 Sequence Program Creation Table A 15 A 5 SCPI Command Reference A 16 A 6...

Page 9: ...PLZ U General Description 1 1 Chapter 1 General Description This chapter gives an overview and describes the features of the PLZ U 1 1 ...

Page 10: ...nd load units Load units are inserted into the frame control section for operation The PLZ 30F and PLZ 50F Frames can accommo date up to 3 channels and 5 channels of load units respectively The current capacity or power capacity can be increased through a parallel opera tion of load units The load units can be combined to produce a power capacity from 75 W to 750 W when five PLZ150Us are installed...

Page 11: ... stant resistance mode This feature allows the suppression of transient voltage drops due to the wiring inductance that occurs when a load is switched and transient volt ages of constant voltage power supplies etc Multi channels Up to five and three channels can be installed into the PLZ 50F and PLZ 30F respec tively Each channel is isolated and can be used independently or linked with each other ...

Page 12: ...r panel allow ing more accurate characteristics tests Extensive protection functions Equipped with overcurrent protection OCP overpower protection OPP over voltage protection OVP undervoltage protection UVP overheat protection OHP and reverse connection protection RVP functions Since OCP OPP and UVP can be varied for each channel protection can be optimized for each equip ment under test External ...

Page 13: ...1 1 Rack mount bracket PLZ 50F Name Model Applicable Model Note Rack mount bracket Fig 1 1 KRB3 PLZ 50F PLZ 50F Inch rack EIA standard KRB150 PLZ 50F Milli rack JIS standard Rack mount bracket Fig 1 2 KRB3 PLZ 30F PLZ 30F Inch rack EIA standard KRB150 PLZ 30F Milli rack JIS standard 149 100 24 5 484 4 465 KRB150 PLZ 50F 132 5 20 465 18 31 484 4 19 07 37 5 1 48 57 2 24 KRB3 PLZ 50F Unit mm inch Uni...

Page 14: ...onnect frames for inter frame control The following two types of cables are available Model Cord Length Application PC01 PLZ 4W 84540 300 mm Connection between frames PC02 PLZ 4W 84550 550 mm 149 24 5 100 460 480 KRB150 PLZ 30F 132 5 20 37 5 4 48 57 2 24 482 18 98 465 18 31 KRB3 PLZ 30F Unit mm inch Unit mm ...

Page 15: ...PLZ U Installation and Preparation 2 1 Chapter 2 Installation and Preparation This chapter describes the procedures of unpacking and preparation before using the PLZ U 2 2 ...

Page 16: ... Blank panel front Operation manual this manual 1 pc P1 000 406 P1 000 405 FRAME CONT protection dummy plug 2 pcs Attached to the product Attached to the product Attached to the product 84 49 0071 PLZ 30F 2 pcs maximum PLZ 50F 4 pcs maximum PLZ 30F 2 pcs maximum PLZ 50F 4 pcs maximum In products that have load units installed blank panels are installed in the empty slots In products that contain t...

Page 17: ... 2 2 Accessories load unit Rear load input terminal cover Set of screws for the load input terminal 2 pcs each Rear sensing terminal screws M3 6 2 pcs M1 100 006 M5 101 006 M4 100 006 Q1 500 077 M3 112 012 Load unit attachment screws M3 10 2 pcs Attached to the load unit M3 112 014 M3 112 026 Attached to the load unit ...

Page 18: ...sation dries up completely Operating humidity range 20 to 85 RH no condensation Storage humidity range 0 to 90 RH no condensation Do not place the PLZ U in a corrosive atmosphere Do not install the PLZ U in a corrosive atmosphere or in environments containing sulfuric acid mist etc This may cause corrosion of various conductors and bad con tacts of connectors inside the PLZ U leading to malfunctio...

Page 19: ...s present on the input power supply waveform The PLZ U may malfunction Do not use the PLZ U near highly sensitive measuring instru ments or transceivers The noise generated by the PLZ U may affect them Use the PLZ U in an industrial environment The PLZ U may cause interference if used in residential areas Such use must be avoided unless the user takes special measures to reduce electromagnetic emi...

Page 20: ...ed on can cause electric shock or damage to the PLZ U Installation procedure 1 Remove the blank panels front and rear panels from the slot where the load unit is to be installed Fig 2 3 Removing the blank panels WARNING Blank panel rear panel Pinch the center section of the blank panel Pull it off towards you 1 2 1 2 Insert a flat blade screwdriver or something similar into the rectangular hole on...

Page 21: ...For safety reasons be sure to fix the load unit using screws Removal procedure 1 Remove the unit attachment screws M3 10 indicated in installation procedure step 3 The screws that you removed are needed when you install the load unit again Be sure to store them in a safe place do not lose them 2 Hold the load unit with both hands and slowly remove it from the slot Be sure to attach blank panels on...

Page 22: ...t or distrib utor The power cord with a plug can be used to disconnect the PLZ U 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 Do not use the supplied power cord with other instruments The PLZ U falls under IEC Overvoltage Category II energy consuming equipment supplied from the fixed install...

Page 23: ...asured value and the frame displays the preset value The power up operation takes up to 2 seconds per channel depending on the length of the sequence program 5 Check the channel number display of the load unit Channel numbers are assigned to installed slots in order from the left facing the front panel The measured value displayed on the load unit indicates coarse zero 6 Press the LOAD key of the ...

Page 24: ...he procedure If the condition does not change even after taking the countermeasure indicated below contact your Kikusui agent Nothing is displayed Turn off the POWER switch and check the power cord connection The load unit freezes while displaying the model and version Turn off the POWER switch and check that the load unit is installed correctly An alarm occurs See section 4 4 Protection Functions...

Page 25: ... voltage at the load input terminal may fall below the mini mum operating voltage Refer to Table 2 1 and select as thick wires as possible Table2 1 Nominal cross sectional area of wires and allowable currents Nominal Cross Sectional Area mm2 AWG Reference Cross Sectional Area mm2 Allowable Current A Ta 30 C Kikusui Recommended Current A 2 14 2 08 27 10 3 5 12 3 31 37 5 5 10 5 26 49 20 8 8 8 37 61 ...

Page 26: ... meter If the 10 meters of load wires is connected between the EUT and the electronic load PLZ U with the current variation of 2 A μs the voltage generated by the wire inductance will be 20 V The negative polarity of the load input terminal is the reference potential of the external control signal therefore the device connected to the external control termi nal may get malfunctioned When operating...

Page 27: ...low slew rate If the high speed response operation is not required decrease the slew rate setting In such settings the value of DI DT will be decreased accordingly the generated voltage will be reduced even the inductance of load wiring can not be reduced In the case of DC operation also the phase delay of the current may cause instabil ity in the PLZ U control inducing oscillation In this case al...

Page 28: ...ment under test Polarity If the polarity of the connection is reversed overcurrent will flow and may damage the PLZ U or the equipment under test Be sure to match the polarities between the load input terminal and the equipment under test If the polarity is reversed an alarm message appears along with an alarm buzzer Immediately turn off the power to the equipment under test The buzzer sounds when...

Page 29: ... crimping terminal to the wire and use the set of screws that came with the package for connection Connection procedure of the load input terminal on the rear panel 1 Turn off the POWER switch 2 Check that the output of the equipment under test is off 3 Connect the load wire to the load input terminal on the rear panel Fig 2 11 4 Attach the load input terminal cover on the rear panel For details o...

Page 30: ... 13 Attachment of the load input terminal cover on the rear panel 2 TOP BOTTOM Insert into the hole in the rear panel Align the protrusion on the inside to the concavity of the load input terminal Check that the cover does not come off easily Align the top and bottom parts of the terminal cover and screw them in place ...

Page 31: ...tage applied to one end will appear at the other end Do not connect equipment to the load input terminals on the front and rear panels simultaneously as it can cause damage There is a danger of overheating Attach a crimping terminal to the wire and secure it using the knob 1 Turn off the POWER switch 2 Check that the output of the equipment under test is off 3 Connect the load wire to the load inp...

Page 32: ...2 18 Installation and Preparation PLZ U ...

Page 33: ... 1 Chapter 3 Names and Functions of Parts This chapter describes the names and functions of parts on the front and rear panels of the frame and load unit In the explanations channels refer to load units that are installed in the frame 3 3 ...

Page 34: ...ttach the blank panels to unused slots Avoid using the PLZ U in a dusty environment or an environment with poor ventilation Do not obstruct the air inlet on the front panel and the air outlet on the rear panel 3 1 1 Frame Fig 3 1 Frame front panel WARNING CAUTION 5 RANGE V RANGE 1 POWER 6 SET 8 SHIFT 17 17 1 EXT 17 3 KEY LOCK 18 1 RECALL STORE 18 18 2 ENTER 18 4 CLEAR CONFIG 17 2 RMT 9 Range indic...

Page 35: ...owever channels whose independent mode is on INDEP key is illuminated are not affected 4 CC CR CV CV keys Keys for selecting the operation mode of the selected channel If you press these keys while the load is on the load is turned off 4 1 CC Switches the operation mode to CC In CC mode this key and the operation mode indicator of the load unit illuminate 4 2 CR Switches the operation mode to CR I...

Page 36: ...d to set various types of values on the PLZ U 8 SHIFT key If you press a key while holding down the SHIFT key the function indicated below the key in blue is enabled If you press a key without holding down the SHIFT key the function indicated above the key is enabled 9 Range indicator The LED indicating the range of CC CR or CV mode of the selected channel illu minates 10 Channel display Press the...

Page 37: ...SHIFT SW ON to enter sequence mode on the selected channel In sequence mode this key and the SEQ LED of the frame and channel illuminate 15 2 LEVEL STEP UVP key LEVEL Press this key to set the switching level of switching mode on the selected channel In switching mode the preset value SET value and the level value are toggled STEP Press this key to set the step number of sequence mode on the selec...

Page 38: ...P OPP key OCP Press this key to set the overcurrent OCP value on the selected channel OPP Press this key while holding down the SHIFT key SHIFT OCP to set the over power protection OPP value on the selected channel 17 EXT RMT and KEY LOCK indicators EXT Illuminates when the PLZ U is being controlled using FRAM CONT on the rear panel RMT Illuminates in remote control mode KEY LOCK Illuminates when ...

Page 39: ... saving or recalling a setup mem ory 18 3 LOCAL KEY LOCK key LOCAL Switches to panel control local control when the PLZ U is being controlled remotely KEY LOCK Each time you press this key while holding down the SHIFT key SHIFT LOCAL the key lock is activated or released When releasing the lock hold the key down until a beep is heard 18 4 CLEAR CONFIG key CLEAR Clears the alarm when an alarm is ac...

Page 40: ...sensing wires The remote sensing terminals are located on the front and rear panels and they are connected in parallel inside the PLZ U 3 LOAD key Turns on off the load on each channel When the load is turned on the LOAD LED illuminates 4 Range indicator The LED indicating the range of CC CR or CV mode illuminates 14 Air inlet Louver 2 Front remote sensing terminal 1 DC INPUT 1 DC INPUT 3 LOAD 4 R...

Page 41: ...Indicates the unit of the measured value using an LED 10 SW SEQ EXT and ALM indicators 10 1 SW Illuminates in switching mode 10 2 SEQ Illuminates in sequence mode 10 3 EXT Illuminates in external control mode 10 4 ALM Illuminates when an alarm occurs 11 DISP key Each time you press this key the measured value display switches The combination of voltage current voltage power current power elapsed t...

Page 42: ...3 10 Names and Functions of Parts PLZ U 14 Air inlet louver Takes in air to cool the inside of the PLZ U A dust filter is furnished on the inside Clean the dust filter periodically ...

Page 43: ...Z U A voltage applied to one end will appear at the other end Do not connect equipment to the load input terminals on the front and rear panels simultaneously as it can cause damage Be sure to attach the blank panels to unused slots Avoid using the PLZ U in a dusty environment or an environment with poor ventilation Do not obstruct the air intake on the front panel and air exhaust on the rear pane...

Page 44: ...nside of the PLZ U The speed of the cooling fan increases according to the internal temperature 4 Manufacturing number serial No Manufacturing number of the frame 5 AC INPUT Connector used to connect the power cord 6 GPIB A connector used to connect the GPIB cable when controlling the PLZ U via GPIB 7 RS 232C A connector used to connect the RS 232C cable when controlling the PLZ U via the RS 232C ...

Page 45: ...PLZ U Basic Operation 4 1 Chapter 4 Basic Operation This chapter describes the operating procedure of each operation mode and other basic functions 4 4 ...

Page 46: ...unit to select a channel The selected channel is configured on the frame LOAD INDEP or DISP keys can also be used to select a channel Setting On the frame press the function key and then turn the rotary knob to set the value If you press an invalid key a buzzer sounds Fig 4 1 Channel selection NOTE Load unit Frame ...

Page 47: ...put If you do not the internal bias power supply stays off and the specified current may not be sup plied When the step by step procedure to turning on off the load was incorrectly performed it may cause the damage to the PLZ U Be sure to the proce dure on the next page as instructed to turning on off the load If you set the polarity of the load on external control to low active and open the signa...

Page 48: ... and the output terminal of the DUT turn on the relay or the electromagnetic switch 5 Press the LOAD key of the frame to turn on the load Turns on the load simultaneously on channels which are not set to the indepen dent mode Turning on the load for the single channel 1 Confirm that the load is turned off 2 Apply the output of the DUT to the input of the PLZ U In case the relay or the electromagne...

Page 49: ... 5 10 External Control Elapsed time display Displays the time from load on to load off You can measure the time from the start of discharge until the cutoff voltage is reached on batteries by using the undervolt age protection UVP function in conjunction with this display For the procedure of switching the display see DISP key on page 3 9 For details on how to set the undervoltage protection UVP f...

Page 50: ...rrent A resistance Ω and voltage V in CC CR and CV modes respectively Fig 4 3 Keys used in CC mode Procedure 1 Select the channel Press the ENTRY key of the desired channel The ENTRY key of the channel blinks The channel display of the frame shows the selected channel number and the settings of the channel can be changed 2 Set the operation mode Press the CC CR or CV key The selected key illuminat...

Page 51: ...ay The conductance unit is not indicated on the display However the conduc tance unit is S when the resistance unit is mΩ and mS when the resis tance is Ω or kΩ 5 Turn on the load If you press the LOAD key of the selected channel the load is turned on only on the channel If you press the LOAD key of the frame the load is turned on on all channels simultaneously For channels on which you do not wis...

Page 52: ...ce of alarm by the reverse connection protection RVP set the operation mode to the CC CV mode then it is necessary to set the voltage value of the CV at lower than the voltage V specified in the Fig 4 4 when the cur rent flows The alarm can not be avoided in the CC mode For the operation of CC CV mode see section A 2 4 Operation of the CC CV Mode 1 Turn off the DUT 2 Set the operation mode of the ...

Page 53: ...s detected on the smaller of the two values the specified overcurrent value or 110 of the rated current of each range The overcurrent value can be set in the range of 0 to 110 of the rated current of the H range Through configuration you can select whether to turn off the load or limit the cur rent when the protection trips When current limit is selected the alarm is cleared when the current falls...

Page 54: ...h the DC power supply and the DUT in series see When the DC power supply and the DUT are connected in series and turning on off of the DUT in section 4 3 Basic Operation 4 4 2 Alarms Alarm number When an alarm is activated the ALM indicator of the corresponding channel illumi nates Press the DISP key several times to check the alarm number Fig 4 5 Alarm indication example Table 4 1 Alarm number Th...

Page 55: ...fference value of step 2 d Difference value of step 2 2 e The largest alarm number that does not exceed the difference value of step 2 2 f Alarm number determined from d and e 2 4 Subtract the alarm number determined in step 3 from the difference value of step 2 d f 2 2 0 5 Repeat the procedure until the difference value is 0 From c and f we conclude that alarm number 8 OHP and alarm number 2 OCP ...

Page 56: ...To set an overpower trip point press the OPP SHIFT OCP key The OCP OPP key illuminates For overcurrent an A unit LED illuminates for overpower a W unit LED illuminates 3 Set the overpower or overcurrent value While viewing the display turn the rotary knob to set the overcurrent or over power value The overcurrent value can be set in the range of 0 to 110 of the rated current of H range The overpow...

Page 57: ...he channel 2 Select UVP Press the UVP SHIFT LEVEL STEP key The UVP key and a V unit LED illuminates 3 Set the voltage value While viewing the display turn the rotary knob to set the value To disable UVP turn the rotary knob counterclockwise and select oFF ...

Page 58: ...4 14 Basic Operation PLZ U ...

Page 59: ...Z U Application Operation 5 1 Chapter 5 Application Operation This chapter describes functions such as ABC preset memories switching function and sequence function that are used in actual applications 5 5 ...

Page 60: ...ppressed Set the soft start in accordance with the rise time of the DUT Fig 5 1 Operation of the soft start function Procedure Fig 5 2 Keys used in soft start 1 Select the channel Press the ENTRY key of the desired channel The channel display of the frame shows the selected channel number and the settings of the channel can be changed 2 Switch to soft start setting Press the S START SHIFT SLEW RAT...

Page 61: ...et memories A B and C for each range of CC CR and CV modes in which settings can be saved The settings can be recalled or saved at any time even when the load is turned on In CC CV or CR CV mode you can recall or save both CC and CV or CR and CV memories For factory default settings see section 5 13 2 Factory Default Settings of ABC Preset Memories Fig 5 3 Keys for ABC preset memories Saving to AB...

Page 62: ...tes The preset memory key of the frame illuminates and the saved settings are displayed The ABC preset memory indicator and the key that are illuminated turn off when a setting is changed Recalling all channels simultaneously You can recall the preset memories of all channels simultaneously However this does not apply to channels whose independent mode is on INDEP key is illumi nated 1 Set the ope...

Page 63: ...d is turned on Switching operation starts after five times the soft start time or 20 ms whichever is longer elapses In the switching operation in CC mode the power may be limited even if the ALM indicator does not illuminate In the switching operation in CR mode the power or current may be limited even if the ALM indicator does not illuminate Fig 5 4 Switching waveform Operation Fig 5 5 Keys used ...

Page 64: ...o CC mode or CR mode 3 Set the preset value SET value Press the SET key and turn the rotary knob The SET key illuminates and the display switches to the SET display The corresponding unit indicator LED also illuminates 4 Set the switching level switching frequency duty cycle and slew rate Press each key and turn the rotary knob to change the value The pressed key illuminates and the corresponding ...

Page 65: ...on Procedure Fig 5 6 Keys for the slew rate 1 Select the channel Press the ENTRY key of the desired channel The channel display of the frame shows the selected channel number and the settings of the channel can be changed 2 Switch to slew rate setting Press the SLEW RATE key The SLEW RATE key illuminates and the A us unit LED illuminates 3 Select the slew rate Turn the rotary knob to show the desi...

Page 66: ...d time display For the procedure of setting the UVP voltage see section 4 4 3 Setting the Trip Points For the procedure of switching the display see DISP key on page 3 9 Voltage measurement after a certain time elapses from the start of discharge After the load is turned on the load is turned off using the auto load off timer The voltage that is present when the load is turned off is measured Proc...

Page 67: ...s You can select whether to turn off the load or keep the load turned on when the sequence completes Step numbers 1 to 256 the 256th step cannot be executed Step execution time 1 ms to 9999 s 0 specifies the end of the step Number of program loops 0 to 9998 9999 specifies infinite repetitions 5 6 1 Editing the Sequence 1 Turn off the load 2 Select the channel Press the ENTRY key of the desired cha...

Page 68: ...s on the channel display 5 Select the step number Press the STEP key and turn the rotary knob to show the desired step number The step number appears at the upper section of the setting display 6 Enter the setting Press the SET key and turn the rotary knob to enter the setting The setting display of the selected operation mode appears 7 Set the execution time Press the TIME key and turn the rotary...

Page 69: ...r details see Last load in section 5 9 Configuration Settings In CC mode soft start is activated at the start of the sequence execution There fore the current will not reach the preset value during the soft start time To avoid this behavior enter a 0 A setting in step 1 for a time longer than or equal to five times the selected soft start time or 20 ms whichever is longer 1 Turn off the load 2 Ent...

Page 70: ...U 4 Stopping the sequence Press the LOAD key turn off the load Turn off the load Fig 5 9 Executing the sequence run and StoP displays Start or stop all channels at once Start or stop a specific channel Load unit Frame Channel display ...

Page 71: ...quence ends Fig 5 10 Sequence execution example Table 5 1 Sequence Program Creation Table Program name Example Date By Channel numbers 1 to 5 1 PLZ150U Memo Repeat steps 1 to 8 three times After repeating the sequence three times turn off the load and end the sequence Operation mode CC Range A H 30 A RPT 1 to 9999 3 Last load OFF ON OFF Step Number Value Execution Time Note 1 1 A 100 s 2 5 A 100 s...

Page 72: ...nter the setting Press the SET key Turn the rotary knob to set the value to 1 000 8 Set the execution time Press the TIME key Turn the rotary knob to set the value to 100 9 Repeat steps 6 to 8 as necessary Enter settings for steps 2 to 8 10 Set the number of program loops Press the PRT key Turn the rotary knob to set the number of program loops to 3 11 Exit from sequence mode Press the SEQ key whi...

Page 73: ...the equipment under test Pay attention to the polarity of remote sensing Reversing the connection can cause damage to the PLZ U Insert a protection fuse in the wiring If you are not using remote sensing remove the remote sensing wires from the PLZ U Remote sensing wiring Use AWG24 wires for the remote sensing terminals on the front panel Use AWG24 or thicker wires for the remote sensing terminals ...

Page 74: ...5 12 Keys for the key lock function Setting the key lock Press the KEY LOCK SHIFT LOCAL key The KEY LOCK LED illuminates and the keys are locked Clearing the key lock Hold down the KEY LOCK SHIFT LOCAL key until the KEY LOCK LED turns off When the KEY LOCK LED turns off the key lock is cleared Channel LOAD key turn the load on off DISP key switch the display Frame LOAD key turn the load on off CLE...

Page 75: ...the load off in the OCP OFF or ON Section 4 4 3 Setting the Trip Points 4 Function for turning the load off in the OPP OFF or ON Section 4 4 3 Setting the Trip Points 5 Delayed load on time setting 0 ms to 1 s Section 4 2 Load On Off 6 Last load OFF or ON Section 5 6 Sequence Function 7 Polarity of the load on external control H or L Section 5 10 2 CH CONT Connector 8 Powering up with the load tur...

Page 76: ...e rotary knob to change the config uration setting 6 Terminate the configuration setting Press the CLEAR key Configuration settings Number of units operating in parallel CONFIG number 1 Parallel operation is possible on adjacent load units of the same type in the frame when the same operation mode and range are specified External voltage reference CONFIG number 2 Select the operation mode in which...

Page 77: ... turned on or turn the load off at the completion of the sequence Polarity of the load on external control CONFIG number 7 Set the polarity of the LOAD ON signal from the CH CONT connector Selectable Values Description OFF Do not turn the load off current limit operation ON Turn the load off Selectable Values Description OFF Do not turn the load off power limit operation ON Turn the load off Selec...

Page 78: ...fter changing the setting power cycle the PLZ U The new setting takes effect by power cycling RS 232C baud rate setting CONFIG number 11 Set the RS 232C baud rate After changing the setting power cycle the PLZ U The new setting takes effect by power cycling Selectable Values Description ON Automatically turn the load on at power on OFF Keep the load turned off at power on Selectable Values Descrip...

Page 79: ...ies and turn the load on off The connector also provides status outputs for load on and alarms Inter frame control is used by connecting multiple frames From a single frame you will be able to recall ABC preset memories and setup memories and turn the load on off Both connectors are standard MIL 20 pin connectors Table 5 4 shows the pin arrangement of the connector To disconnect the connector rele...

Page 80: ...e of approximately 0 7 V and maximum output current of 100 mA Pin No Manufacturer Compatible Connector Note Omron XG5M 2032 or XG5M 2035 XG5S 1001 2 pcs For discrete wires XG4M 2030 XG4T 2004 For flat cables KEL 6200 020 601 Pin No Signal Name Input Output Function 1 A Input 1 Recall preset memory A of all channels simultaneously 2 B Recall preset memory B of all channels simultaneously 3 C Recall...

Page 81: ...ly At the same time apply an external signal across pins 9 and 20 ENABLE Recalling setup memories You can recall setup memories Apply an external signal across pins 5 and 20 MEM 0 pins 6 and 20 MEM 1 pins 7 and 20 MEM 2 or pins 8 and 20 MEM 3 of the FRAME CONT connector for memories 0 1 2 or 3 respectively At the same time apply an external signal across pins 9 and 20 ENABLE Load status When the L...

Page 82: ...5 4 of the first frame is used When operating from the panel use the first frame Up to 5 frames can be linked Connection procedure 1 Check that the power is turned off Check that the power to all frames is turned off If the power is turned on press the POWER switch to turn off the power 2 Connect the FRAME CONT connector of each frame Refer to Fig 5 15 and securely connect the FRAME CONT connector...

Page 83: ...umber and insert the wire Table 5 5 CH CONT connector pin arrangement Pin No Signal Name Function 1 COM Negative pin electric potential of the load input terminal 2 I MON Load input current monitor output 0 to 100 of the rated current in the range of 0 V to 10 V 3 EXT REF External voltage reference input 0 to 100 of f s in the range of 0 V to 10 V 4 LOAD ON Load on input Use the polarity of the lo...

Page 84: ...ternal voltage reference By applying an external voltage reference in the range of 0 to 10 V you can vary the setting proportionally in the range of 0 to 100 of the rated value The maximum voltage that can be applied across pins 1 and 3 of the CH CONT connector is 12 V Applying a voltage exceeding this value can damage the PLZ U Accuracy is not guaranteed for voltages below 0 V or above 10 V Pin 1...

Page 85: ...sing configuration settings For the procedure of setting the configuration see section 5 9 Configuration Settings If an external voltage reference is applied the approximate value of the external voltage reference is shown in the setting display of the frame In addition the EXT LED of the channel illuminates Set CONFIG number 2 to 1 CC control in CC or CC CV mode CR control in CR or CR CV mode CV ...

Page 86: ... load cannot be turned on from the panel GPIB or RS 232C If you set the polarity of the load on external control to low active and open the signal input terminal you will only be able to turn on the load using the CH CONT signal The external signal input is TTL level Open circuit voltage is approxi mately 5 V Be sure to return the current to CH CONT pin 1 Current monitor output You can monitor the...

Page 87: ...hin the same frame a combination of parallel and single unit operation is possi ble Fig 5 21 Combination of parallel operation and single unit operation Table 5 6 The number of units in parallel and the capacity M S S M S M Master S Slave When parallel operation of 3 units and parallel operation of 2 units are combined using the PLZ 50F M Master U U M S S S Slave U Single load unit When parallel o...

Page 88: ...e diameter see section 2 7 Load Wiring Connection and setup procedure 1 Check that the power is turned off Check that the power to all frames is turned off If the power is turned on press the POWER switch to turn off the power 2 Connect the load input terminals on the rear panel of each channel Refer to Fig 5 22 and be sure to securely connect the load input terminals on the rear panels of multipl...

Page 89: ... at the time of saving Range setting RANGE VRANGE Slew rate value SLEW RATE Switching frequency duty cycle and level FREQ DUTY and LEVEL Soft start Configuration setting CONFIG number 2 to 7 Contents of ABC preset memories A B C Auto load off timer Sequence For factory default settings see section 5 13 3 Factory Default Settings of Setup Memories Fig 5 23 Keys for the setup memory Saving to the me...

Page 90: ...in 4 Press the ENTER key The settings in the memory are recalled If a setup memory is recalled while the load is turned on the load automatically turns off Note that if you recall a setup memory the current operation mode and settings will be changed The recall operation takes up to 2 seconds per channel depending on the length of the sequence program 5 13 Factory Default Settings The backup funct...

Page 91: ... SET value 0 000 A CR mode SET value 0 0 S CV mode SET value 157 50 V Switching Function Off Section 5 3 Switching Function CC switching level 0 A CR switching level 0 S Switching frequency 1 000 kHz Switching duty cycle 50 0 Slew rate Maximum value of H range Section 5 4 Setting the Slew Rate Soft start 1 0 ms Section 5 1 Soft Start OCP trip point 110 of the rated current of H range Section 4 4 P...

Page 92: ...ntents Section 5 9 Configuration Settings the underlined values Section 5 13 1 Factory Default Settings General Section 5 13 2 Factory Default Settings of ABC Preset Memories Operation mode Range PLZ150U PLZ70UA A B C A B C CC H 0 000 A 15 000 A 30 000 A 0 000 A 7 500 A 15 000 A M 0 0000 A 1 5000 A 3 0000 A 0 0000 A 0 7500 A 1 5000 A L 0 00 mA 150 00 mA 300 00 mA 0 00 mA 75 00 mA 150 00 mA CR H OP...

Page 93: ...PLZ U Remote Control 6 1 Chapter 6 Remote Control This chapter describes the procedure for connecting the interface and the procedure for transmitting commands to the PLZ U using SCPI commands 6 6 ...

Page 94: ... with the SCPI command syntax on the PLZ U before actually using the SCPI commands 6 2 Instrument Interface Standard The PLZ U conforms to the following standards IEEE Std 488 2 1992 IEEE Standard Codes Formats Protocols and Common Commands For Use With IEEE Std 488 1 1987 IEEE Std 488 1 1987 IEEE Standard Digital Interface for Programmable Instru mentation TIA EIA 232F Standard Commands for Progr...

Page 95: ...vice message There are two types of device messages commands that are sent from the computer to the PLZ U and responses that are sent from the PLZ U to the computer Commands A command is constructed by a single message or a combination of multiple mes sages using keywords parameters and punctuations Commands can be subdivided into set commands and query commands Set commands Set commands execute a...

Page 96: ...t to entering the following Set commands Set command CURRent MINimum Set command VOLTage MINimum A colon is required between program headers Colons and semicolons can be used together to link SCPI commands from dif ferent subsystems Query command CURRent MINimum MEASure CURRent The maximum number of characters that can be transmitted in a single line is 256 Special symbols and characters Special s...

Page 97: ...s are accepted even if measurement units are not specified To enter μ in the data use U instead Terminating command strings All commands must be terminated using a valid terminator There are two types of terminators new line ASCII 0x0A or EOI end or iden tify Either type can be used In the case of RS 232C always use new line because EOI is not available When a command string is terminated the SCPI...

Page 98: ...am setting Like the SCPI commands discrete parameters have a long form and a short form Responses are returned in the short form Below is an example of a set command using a discrete parameter Set command SOURce POWer RANGe LOW MEDium HIGH Numeric parameters A numeric parameter is a numeric representation consisting of a decimal point optional sign measurement unit symbol etc If DEFault is availab...

Page 99: ...s in separate lines read the response to the first command before transmitting the second query command Otherwise an incomplete response may be received for the first command followed by a com plete response for the second command String parameters A string parameter is used when a series of ASCII characters are requested A string must be enclosed in quotations or double quotations The start and e...

Page 100: ...ed string A string data ASCII codes 20H to 7EH can be used time The execution time of sequence mode Value 0 001 to 9999 or 0 end step Resolution 0 001 Unit S Range PLZ150U PLZ70UA H Selectable range 20 to 2 2 to 0 10 to 1 1 to 0 Resolution 2 m 0 2 m 1 m 0 1 m M Selectable range 2 to 200 m 200 m to 0 1 to 100 m 100 m to 0 Resolution 0 2 m 20 μ 0 1 m 10 μ L Selectable range 200 m to 20 m 20 m to 0 1...

Page 101: ...d MINimum See the program data of each command voltage A numeric data including MAXimum and MINimum Program data Unit V Range PLZ150U PLZ70UA H Selectable range 1 5 to 157 5 0 to 157 5 Resolution 10 m 10 m M Selectable range 1 5 to 15 75 0 to 15 75 Resolution 1 m 1 m ...

Page 102: ...If it is on press the LOAD key to turn it off 2 Enter CONFIG settings Press the CONFIG SHIFT CLEAR key CF 01 appears on the frame display 3 Select the interface Turn the rotary knob and set the configuration number to 9 CF 09 While holding down the SHIFT key turn the rotary knob to select GPIB 4 Set the address Turn the rotary knob and set the configuration number to 10 CF 10 While holding down th...

Page 103: ... Enter CONFIG settings Press the CONFIG SHIFT CLEAR key CF 01 appears on the frame display 3 Select the interface Turn the rotary knob and set the configuration number to 9 CF 09 While holding down the SHIFT key turn the rotary knob to select 232 4 Set the baud rate Turn the rotary knob and set the configuration number to 11 CF 11 While holding down the SHIFT key turn the rotary knob to select the...

Page 104: ...ble 6 2 DC codes Fig 6 1 RS 232C terminal and transmission control of the PLZ U Code Function ASCII code DC1 Transmission request 11H DC3 Transmission stop request 13H DC3 RXD DC1 TXD After receiving DC3 the PLZ U pauses transmission within 3 characters Within 3 characters Pause Resume transmission Resume transmission Transmission control from the RS 232C terminal to the PLZ U DC3 TXD RXD The RS 2...

Page 105: ... register is set Each time the execution error bit bit 4 of the event status register is set the event summary bit ESB of the status byte is set ESR Queries the event status register This register is cleared when it is read For details on the event status registers see section 6 6 Status Registers Query command ESR IDN Queries the manufacturer name model and ROM version Query command IDN The respo...

Page 106: ...30F PLZ50F Current range H H Voltage range H H Operation mode CC CC CC mode SET value 0 000 A 0 000 A CR mode SET value 0 0 S 0 0 S CV mode SET value 157 50 V 157 50 V Switching function Off Off CC switching level 0 A 0 A CR switching level 0 S 0 S Switching frequency 1 000k Hz 1 000k Hz Switching duty cycle 50 0 50 0 Slew rate 2 4 A μs 1 2 A μs Soft start 1 0 ms 1 0 ms OCP trip point 33 00 A 16 5...

Page 107: ...ion for turning the load off in the OCP Off Off 04 Function for turning the load off in the OPP Off Off 05 Delayed load on time setting 0 0 06 Last load Off Off 07 Polarity of the load on external control High active High active 08 Powering up with the load turned on OFF Operation Mode Range PLZ150U PLZ70UA A B C A B C CC H 0 000 A 15 000 A 30 000 A 0 000 A 7 500 A 15 000 A M 0 0000 A 1 5000 A 3 0...

Page 108: ...s of the status byte register and the MSS master summary sta tus message The response is in a weighted decimal notation format representing the status byte register and the MSS message bit 6 Therefore the response to STB is the same as the response obtained by serial polling except that bit 5 represents the MSS mes sage in place of the RQS message For details see section 6 6 Status Registers Query...

Page 109: ...rument SELect INST NSEL Selects the channel to which commands are applied using a number Or queries the current setting Set command INSTrument NSELect 1 2 3 4 5 Query command INSTrument NSELect Specifying multiple channels INST COUP Specifies the applicable channels when applying commands to multiple channels Or queries the current setting Be sure to execute INST COUP at the same time as INST or I...

Page 110: ...cting the channel whose settings are to be displayed INST FOC Selects the channel whose settings are to be displayed Or queries the current set ting Set command INSTrument SELect FOCus CH1 CH2 CH3 CH4 CH5 Query command command INSTrument SELect FOCus 6 5 3 Measurement Commands MEAS CURR Reads the measured current Query command MEASure SCALar CURRent DC MEAS POW Reads the measured power Query comma...

Page 111: ...ge mode CRCV Constant resistance mode constant voltage mode Entering values COND Sets the conductance of CR mode Or queries the current setting Set command SOURce CONDuctance LEVel IMMediate AMPLitude conductance MINimum MAXimum Query command SOURce CONDuctance LEVel IMMediate AMPLitude CURR Sets the current of CC mode Or queries the current setting Set command SOURce CURRent LEVel IMMediate AMPLi...

Page 112: ...w Query command SOURce CURRent SLEW Program data slew Value Resolution 0 01 Unit A US Setting protection levels CURR PROT Sets the overcurrent protection Or queries the current setting Set command SOURce CURRent PROTection LEVel OVER value MINimum MAXimum Query command SOURce CURRent PROTection LEVel OVER Program data Unit A Operation mode Range PLZ150U PLZ70UA CC H 0 10 to 2 40 0 05 to 1 20 M 0 1...

Page 113: ...the power when the OPP trips Or queries the current setting Set command SOURce POWer PROTection ACTion LIMit TRIP Query command SOURce POWer PROTection ACTion Program data Value LIMit Limit the current when the OPP trips TRIP Turn off the load when the OPP trips VOLT PROT UND Sets the undervoltage protection Or queries the current setting Set command SOURce VOLTage PROTection LEVel UNDer voltage M...

Page 114: ...nd SOURce CURRent RANGe VOLT RANGE Sets the range of CV mode Or queries the current setting Set command SOURce VOLTage RANGe LOW HIGH Query command SOURce VOLTage RANGe ABC preset memories PRES STOR Stores the settings to memory Set command SOURce PRESet STORe MEMA MEMB MEMC Program data Value MEMA Store to memory A MEMB Store to memory B MEMC Store to memory C PRES REC Recalls settings from memor...

Page 115: ...rns off FUNC SST Sets the soft start time in CC mode Or queries the current setting The default value is 1 ms Set command SOURce FUNCtion SSTart 0 1MS 1MS 3MS 10MS 30MS 100MS 300MS MINimum MAXimum Query command SOURce FUNCtion SSTart Program data Value 0 0001 0 001 0 003 0 01 0 03 0 1 0 3 MIN or MAX Unit S HCON POL Sets whether to power up with the load turned on Or queries the current setting Set...

Page 116: ...Rce CURRent LEVel TRIGgered AMPLitude current MINimum MAXimum INIT Transitions to the trigger wait status but automatically returns to idle when a trigger is activated Returns an error 213 if the PLZ U is already in trigger wait status or when INIT CONT ON is specified Set command INITiate IMMediate INIT CONT Sets whether to continue the trigger wait status Or queries the current setting See Fig 6...

Page 117: ... using trigger input Set command INPut STATe TRIGgered OFF ON 0 1 OUTPut STATe TRIGgered OFF ON 0 1 Program data Value OFF 0 Turn the load off ON 1 Turn the load on INIT CONT Update the setting Trigger wait Idle Power on ABORt RST DCL XXX TRIG command INIT IMM or INIT CONT ON Trigger GET TRG or hardware trigger ON OFF ...

Page 118: ...OURce PULSe DCYCle Program data Value 2 to 98 Resolution 0 1 Unit PCT PULS FREQ Sets the switching frequency Or queries the current setting Set command SOURce PULSe FREQuency value Query command SOURce PULSe FREQuency Program data Value 1 to 20 k Resolution 1 to 1 K 1 to 10 K 10 to 20 k 100 Unit HZ Sets the switching level PULS LEV COND Sets the level for CR mode Or queries the current setting Set...

Page 119: ...o turn the load on Or queries the current setting Set command INPut EXTernal LPOLarity POSitive NEGative OUTPut EXTernal LPOLarity POSitive NEGative Query command INPut EXTernal LPOLarity OUTPut EXTernal LPOLarity Program data Value POSitive High active NEGative Low active INP EXT REF OUTP EXT REF Sets the external voltage reference of the load unit Or queries the current setting Set command INPut...

Page 120: ... STATe value MINimum MAXimum Query command INPut STATe TIMer STATe OUTPut STATe TIMer STATe Program data Value 1 to 99999 or 0 function off Resolution 1 Unit S INP DEL OUTP DEL Sets the delay time until the load is turned on Or queries the current setting Set command INPut STATe DELay value MINimum MAXimum OUTPut STATe DELay value MINimum MAXimum Query command INPut STATe DELay OUTPut STATe DELay ...

Page 121: ... PROGram SELected LOOP value Query command PROGram SELected LOOP Program data Value 1 to 9998 or 9999 infinite loop Resolution 1 PROG LINP PROG LOUT Sets the load on off condition after the sequence ends Or queries the current set ting Set command PROGram SELected LINPut OFF ON 0 1 PROGram SELected LOUTput OFF ON 0 1 Query command PROGram SELected LINPut PROGram SELected LOUTput Program data Value...

Page 122: ...meter is omitted the current value is retained Set command PRGram SELected FSPeed STEP EDIT POINt step conductance current trig time Query command PRGram SELected FSPeed STEP EDIT POINt step Program data trig Value 0 Always enter 0 for the value because the PLZ U is not equipped with trigger output Returns the current value of the step as conductance current 0 time in response to PROG FSP EDIT ste...

Page 123: ...ELected STATe RUN STOP Program data Value RUN Run the selected program STOP Stop the selected program PROG EXEC Queries the execution status of the program Query command PROGram SELected EXECuting Returns the current execution status as RUN STOP time loop step 1 1 is fixed in response to PROG EXEC time returns the length of time the step is executed when the program is running and the specified ex...

Page 124: ...om the error queue The error queue can store up to 255 error messages For a description of the messages see appendix A 6 Error Mes sages Query command SYSTem ERRor NEXT Returns the current error message in response to SYST ERR Example When there is no error Returns 0 No error Example Command error Returns 100 Command error SYST GTL Switches to local mode operation RS 232C only Set command SYSTem G...

Page 125: ...e the bit number bit weight and the meaning of each bit CONDition register The transition of the CONDition register is automatic and reflects the condition of the PLZ U in real time Reading this register does not affect the contents EVENt register The EVENt register bits are automatically set according to the changes in the CON Dition register The rule varies depending on the positive and negative...

Page 126: ...nt11 INSTrument12 INSTrument13 INSTrument14 OPERation INSTrument ISUMmary n OPERation INSTrument INSTrument1 INSTrument2 INSTrument3 INSTrument4 INSTrument5 INSTrument6 INSTrument7 INSTrument8 INSTrument9 INSTrument10 INSTrument11 INSTrument12 INSTrument13 INSTrument14 QUEStionable INSTrument ISUMmary n QUEStionable INSTrument INSTrument1 INSTrument2 INSTrument3 INSTrument4 INSTrument5 INSTrument6...

Page 127: ...le or queries the current setting Set command STATus OPERation ENABle status enable Query command STATus OPERation ENABle STAT OPER PTR Sets the positive transition of the OPERation status register or queries the current setting Set command STATus OPERation PTRansition status enable Query command STATus OPERation PTRansition Bit Bit Weight Bit Name Description 0 1 CALibrating The PLZ U is in calib...

Page 128: ...INST COND Queries the condition of the OPERation INSTrument subregister Query command STATus OPERation INSTrument CONDition STAT OPER INST ENAB Sets the OPERation INSTrument subregister enable or queries the current setting Set command STATus OPERation INSTrument ENABle status enable Query command STATus OPERation INSTrument ENABle Bit Bit Weight Bit Name Description 0 1 NOT USED 1 2 INSTrument1 2...

Page 129: ...mmand STATus OPERation INSTrument PTRansition status enable Query command STATus OPERation INSTrument PTRansition STAT OPER INST NTR Sets the negative transition of the OPERation INSTrument subregister or queries the current setting Set command STATus OPERation INSTrument NTRansition status enable Query command STATus OPERation INSTrument NTRansition ...

Page 130: ...on INSTrument ISUMmary subregister Query command STATus OPERation INSTrument ISUMmary n CONDition STAT OPER INST ISUM ENAB Sets the OPERation INSTrument ISUMmary subregister enable or queries the cur rent setting Set command STATus OPERation INSTrument ISUMmary n ENABle status enable Query command STATus OPERation INSTrument ISUMamry n ENABle Bit Bit Weight Bit Name Description 0 1 CALibrating The...

Page 131: ... INSTrument ISUMmary n PTRansition status enable Query command STATus OPERation INSTrument ISUMmary n PTRansition STAT OPER INST ISUM NTR Sets the negative transition of the OPERation INSTrument ISUMmary subregister or queries the current setting Set command STATus OPERation INSTrument ISUMmary n NTRansition status enable Query command STATus OPERation INSTrument ISUMmary n NTRansition ...

Page 132: ...atus register Query command STATus QUEStionable CONDition STAT QUES ENAB Sets the QUEStionable status register enable or queries the current setting Set command STATus QUEStionable ENABle status enable Query command STATus QUEStionable ENABle STAT QUES PTR Sets the positive transition of the QUEStionable status register or queries the cur rent setting Set command STATus QUEStionable PTRansition st...

Page 133: ...QUES INST COND Queries the condition of the QUEStionable INSTrument subregister Query command STATus QUEStionable INSTrument CONDition STAT QUES INST ENAB Sets the QUEStionable INSTrument subregister enable or queries the current set ting Set command STATus QUEStionable INSTrument ENABle status enable Query command STATus QUEStionable INSTrument ENABle Bit Bit Weight Bit Name Description 0 1 NOT U...

Page 134: ...STATus QUEStionable INSTrument PTRansition status enable Query command STATus QUEStionable INSTrument PTRansition STAT QUES INST NTR Sets the negative transition of the QUEStionable INSTrument subregister or queries the current setting Set command STATus QUEStionable INSTrument NTRansition status enable Query command STATus QUEStionable INSTrument NTRansition ...

Page 135: ...ies the condition of the QUEStionable INSTrument ISUMmary subregister Query command STATus QUEStionable INSTrument ISUMmary n CONDition STAT QUES INST ISUM ENAB Sets the QUEStionable INSTrument ISUMmary subregister enable or queries the current setting Set command STATus QUEStionable INSTrument ISUMmary n ENABle status enable Query command STATus QUEStionable INSTrument ISUMmary n ENABle Bit Bit W...

Page 136: ...STrument ISUMmary n PTRansition status enable Query command STATus QUEStionable INSTrument ISUMmary n PTRansition STAT QUES INST ISUM NTR Sets the negative transition of the QUEStionable INSTrument ISUMmary subregis ter or queries the current setting Set command STATus QUEStionable INSTrument ISUMmary n NTRansition status enable Query command STATus QUEStionable INSTrument ISUMmary n NTRansition ...

Page 137: ...ry ENABle status enable Query command STATus CSUMmary ENABle STAT CSUM PTR Sets the positive transition of the CSUMmary status register or queries the current setting Set command STATus CSUMmary PTRansition status enable Query command STATus CSUMmary PTRansition STAT CSUM NTR Sets the negative transition of the CSUMmary status register or queries the current setting Set command STATus CSUMmary NTR...

Page 138: ...command STATus CSUMmary INSTrument ENABle status enable Query command STATus CSUMmary INSTrument ENABle STAT CSUM INST PTR Sets the positive transition of the CSUMmary INSTrument subregister or queries the current setting Set command STATus CSUMmary INSTrument PTRansition status enable Query command STATus CSUMmary INSTrument PTRansition Bit Bit Weight Bit Name Description 0 1 NOT USED 1 2 INSTrum...

Page 139: ...Mmary INSTrument ISUMmary STAT CSUM INST ISUM Queries the event of the CSUMmary INSTrument ISUMmary subregister Query command STATus CSUMmary INSTrument ISUMmary n EVENt STAT CSUM INST ISUM COND Queries the condition of the CSUMmary INSTrument ISUMmary subregister Query command STATus CSUMmary INSTrument ISUMmary n CONDition STAT CSUM INST ISUM ENAB Sets the CSUMmary INSTrument ISUMmary subregiste...

Page 140: ...y INSTrument ISUMmary n PTRansition status enable Query command STATus CSUMmary INSTrument ISUMmary n PTRansition STAT CSUM INST ISUM NTR Sets the negative transition of the CSUMmary INSTrument ISUMmary subregister or queries the current setting Set command STATus CSUMmary INSTrument ISUMamry n NTRansition status enable Query command STATus CSUMmary INSTrument ISUMamry n NTRansition ...

Page 141: ...l 1s and sets the transition filter registers so that only positive transitions are reported For status data required by SCPI the STAT PRES command sets the transition filter registers so that only positive transitions are detected and sets the ENABle register to 0 The settings of the service request enable register parallel poll enable register memory registers related to the SAV command the PLZ ...

Page 142: ... codes see appendix A 6 Error Messages 3 8 Device Dependent Error DDE Set when there is a device specific error For details on the error codes see appendix A 6 Error Messages 4 16 Execution Error EXE Set when the PLZ U evaluates the program data following the header is outside the formal input range does not match the perfor mance of the PLZ U This indicates that a valid SCPI command may not be ex...

Page 143: ...the corresponding bit in the QUEStionable status enable register is true 4 16 Message Available MAV This bit is set to true when a request is received from the digital program ming interface and the PLZ U is ready to output the data byte 5 32 Standard Event Status Bit Sum mary ESB This bit is set to true when a bit is set in the event status register 6 64 Request Service RQS This bit is set to tru...

Page 144: ...6 52 Remote Control PLZ U ...

Page 145: ...PLZ U Maintenance 7 1 Chapter 7 Maintenance This chapter explains the PLZ U maintenance 7 7 ...

Page 146: ... may discolor the surface erase printed characters or cloud the LCD 7 1 2 Cleaning the Dust Filter A dust filter is installed on the inside of the louver on the front panel Periodically clean the filter to prevent clogging Clogged filters hinder the cooling of the inside of the instrument and can cause a malfunction and shortening of the service life Cleaning procedure 1 Remove the louver from the...

Page 147: ...r 4 Insert the tabs left and right at the top section of the louver into the panel guide and press the panel against the louver Press the center of the bottom edge of the louver When you hear a click the louver is fixed in place 7 1 3 Inspecting the Power Cord Check the power cord for breaks in the insulation and cracks or rattling of the plug 7 1 4 Internal Inspection The electrolytic capacitors ...

Page 148: ... the louver on the front panel of the whole load units and check if the LED lights in red The LED is located on the left under the variable resistors If the LED lights the fuse may have blown off In this case contact your Kikusui distributor agent for request of service Check for the input voltage and the input current within the rated value If the mea sured value is out of rated range the LED may...

Page 149: ...alling Load Units Symptom Check Items Remedy Reference Panel key operations are not accepted Are the keys locked KEY LOCK LED illuminated Hold down the KEY LOCK SHIFT LOCAL key until the KEY LOCK LED turns off Section 5 8 Key Lock Function Is the EXT LED of the frame illu minated Set FRAME CONT con nector 1 ENABLE to high level no input Section 5 10 1 FRAME CONT Con nector and chapter 6 Remote Con...

Page 150: ...m type and eliminate the cause of the alarm Eliminatethecause and then clear the alarm Section 4 4 Protec tion Functions and Alarms The setting current is not flowing Is the LED located inside of the load unit illuminated Fuse blow Immediately stop the use of the instruments and request for repair service Section 7 2 Confirm ing status of the fuse The current does not change even when the rotary k...

Page 151: ... V If you need to turn the power output of the equip ment under test back on let the input terminal voltage of the PLZ U fall to 0 V before doing so CAUTION in section 4 2 Load On Off The PLZ U does not switch according to the settings Is soft start enabled Set the soft start time again Section 5 1 Soft Start The sequence does not run according to the settings Is soft start enabled Enter a 0 A set...

Page 152: ...t terminal Immediately turn off the output of the equipment under test Be sure to match the polarities between the load input connector and the equipment under test Section 4 4 Protec tion Functions and Alarms and section 2 7 1 Precautions Concerning Wiring When the PLZ70UA is used do you turn on off of the DUT Set to avoid the alarm occurance When the DC power supply and the DUT are connected in ...

Page 153: ...PLZ U Specifications 8 1 Chapter 8 Specifications This chapter lists the electrical and mechanical specifications of the PLZ U 8 8 ...

Page 154: ... from 0 V no current will flow until 0 3 V is exceeded If a current greater than or equal to 1 of the range rating starts flowing the current can flow at voltages less than equal to 0 3 V 2 Vin Load input terminal voltage 3 At a current greater than or equal to Vin 500 kΩ 4 Measurement frequency bandwidth 10 Hz to 1 MHz 5 Measurement frequency bandwidth 10 Hz to 20 MHz Model PLZ150U PLZ70UA Rating...

Page 155: ... S 2 mS 2 S to 20 S 1 mS 1 S to 10 S M 20 μS 0 S to 200 mS 10 μS 0 S to 100 mS 0 2 mS 200 mS to 2 S 0 1 mS 100 mS to 1 S L 2 μS 0 S to 20 mS 1 μS 0 S to 10 mS 20 μS 20 mS to 200 mS 10 μS 10 mS to 100 mS Accuracy of setting 3 Range H M and L 0 5 of set 4 0 5 of f s 5 Vin 500 kΩ CV mode Operating range Range H 1 5 V to 150 V 0 V to 150 V L 1 5 V to 15 V 0 V to 15 V Selectable range 0 to 105 of f s R...

Page 156: ...Slew rate Operation mode CC and CR Selectable range CC Range H 0 10 A μs to 2 40 A μs 0 05 A μ to 1 20 A μs M 0 10 A μs to 0 24 A μs 0 05 A μ to 0 12 A μs L 24 mA μs 1 12 mA μs 1 Selectable range CR Range H 0 10 A μs to 0 24 A μs 0 05 A μ to 0 12 A μs M 24 mA μs 1 12 mA μs 1 L 2 4 mA μs 1 1 2 mA μs 1 Resolution 0 01 A μs Accuracy of setting 2 10 of set 5 μs Soft start Operation mode CC Selectable ...

Page 157: ...rameters Elapsed time display Measures the time from when the load is turned on to when the load is turned off 0 1 s to 99999 s Auto load off timer Turns off the load after the specified time elapses off or 1 s to 99999 s Delayed load on Turns on the load after the specified time elapses 0 ms to 1 s 10 ms steps Parallel operation Possible between adjacent load units same model in the frame Inter f...

Page 158: ...ad input terminal GPIB IEEE std 488 2 1994 SH1 AH1 T6 L4 SR1 RL1 PP0 DC1 DT1 C0 and E1 Supports the SCPI command set Sets panel functions except the POWER switch and key lock and reads measured values RS 232C D SUB 9 pin connector conforms to EIA 232 D Sets panel functions except the POWER switch and key lock and reads measured values Baud rate 2400 4800 9600 or 19200 bps stop bit 1 data length 8 ...

Page 159: ...PLZ30F PLZ50F Rated supply voltage 100 VAC to 240 VAC 90 VAC to 250 V single phase Rated frequency 50 Hz or 60 Hz 47 Hz to 63 Hz Power consumption Frame alone 33 VA or less 40 VA or less When load units are installed in all channels 300 VAmax 500 VAmax Cooling system Forced air cooling using a heat sensing variable speed fan Operating temperature range 0 C to 40 C 32 F to 104 F Operating humidity ...

Page 160: ...Fig 8 1 Outline drawing PLZ 30F Fig 8 2 Outline drawing PLZ 50F 2 3 53 K V 0 57 K V 25 6 3 070 3 06 3 2 K V0 57 K V 23 3 5 K V 17 K V1 3 0 2 Unit mm inch 2 3 53 K V 0 57 K V 25 6 3 213 5 1 06 3 2 K V0 57 K V 23 3 5 K V 17 K V24 6 Unit mm inch ...

Page 161: ... and greater If the current is decreased these types can be used even at voltages lower than 1 5 V area indicated in light gray actual operating area However the specifications are not guaranteed For the operating areas of each individual model see appendix A 3 Operating Area of Each Model Fig A 1 Operating area PLZ150U 1 5 V input type H range PLZ70UA 0 V input type H range 0 1 1 10 100 0 1 1 10 ...

Page 162: ...de operation When the PLZ U is used in CC mode the PLZ U operates as a constant current load as shown in Fig A 2 The PLZ U supplies the specified current I independent of the output voltage of the constant voltage power supply V1 Fig A 2 Equivalent circuit of the constant current load and operation Transition of the operating point Overpower protection OPP We will consider the case when checking t...

Page 163: ...r load at point B Even if you attempt to increase the input current the current is limited at point B If you decrease the input current the OPP is cleared The PLZ U returns to CC mode and the operating point moves along segment AB TableA 1 Action taken when the OPP trips Fig A 3 Operation on segment CD If the voltage of the constant voltage power supply is set to V2 and the input current load curr...

Page 164: ...rating point in CR mode OPP trip point If the overcurrent protection OCP setting IOCP is greater than the current value IB at point B when the PLZ U resistance is decreased R1 R2 RB and the input current load current is increased with the voltage of the constant voltage power supply at V1 the operating point moves along segment AB A1 A2 B When point B is reached overpower protection OPP trips At t...

Page 165: ...ng point moves along segment AF A1 A2 F When point F is reached overcurrent protection OCP trips At this point two types of operation are available on the PLZ U depending on the protection action setting of the OCP If the function for turning off the load when the OCP trips is on the load is turned off If the function for turning off the load when the OCP trips is off set to limit the PLZ U suppli...

Page 166: ...Overpower protection OPP We will consider the case when checking the load characteristics of the constant voltage power supply of Fig A 7 using CV mode Fig A 8 Transition of the operating point in CV mode OPP trip point Point F Load off function on Turns off the load stops the current supply The PLZ U no longer operates as a load Load off function off limit CR mode ends OCP continues and the PLZ U...

Page 167: ...ng point moves along segment MN Table A 4 Action taken when the OPP trips Transition of the operating point Overcurrent protection OCP Fig A 9 Transition of the operating point in CV mode OCP trip point We assume that the overcurrent protection OCP setting IOCP is less than current IN at point N and denote the voltage of the constant voltage power supply as VM When the voltage of the PLZ U is equa...

Page 168: ...rrent load the PLZ U supplies the specified current I independent of the output voltage of the constant voltage power supply VM When operating as a constant voltage load and VM is greater than V the input voltage V is kept constant even when the input current I varies Current does not flow when VM is less than or equal to V The switching between the modes is automatic Fig A 10 Equivalent circuit o...

Page 169: ... you decrease the current the OPP is cleared The PLZ U returns to CC mode and the operating point moves along segment MN Table A 6 Action taken when the OPP trips If the overpower protection OPP setting is PN1 the OPP does not trip as the cur rent is increased and the operating point reaches point S Here the operation mode is CV The voltage is fixed to voltage VQ set in advance In this case the op...

Page 170: ...ow when VM is less than or equal to V The switching between the modes is automatic Fig A 12 Equivalent circuit of the CR CV mode and operation Transition of the operating point Overpower protection OPP We will consider the case when checking the discharge characteristics of a battery of Fig A 12 Fig A 13 Transition of the operating point in CR CV mode OPP trip point I V Resistance V I is constant ...

Page 171: ... U returns to CR mode and the operating point moves along segment MN Table A 7 Action taken when the OPP trips If the overpower protection OPP setting is PN1 the OPP does not trip as the resis tance is decreased to increase the current Consequently the operating point reaches point S Here the operation mode is CV The voltage is fixed to voltage VQ set in advance In this case the operating point mo...

Page 172: ...nt as a constant current load at point T Even if you attempt to increase the current by decreasing the resistance the current is limited at point T If you decrease the current by increasing the resistance the OCP is cleared The PLZ U returns to CR mode and the operating point moves along segment MT Table A 8 Action taken when the OCP trips If the overcurrent protection OCP setting is IOCP1 the OCP...

Page 173: ...perating area Operating area where specifications are guaranteed 0 0 5 1 0 0 0 1 1 5 2 0 0 2 0 3 0 1 1 10 100 0 01 0 1 1 150 5 1 5 0 3 3 50 150W Input current A Input voltage V Operating area where specifications are guaranteed Actual operating area Low voltage area Input current A Input voltage V Actual operating area 0 0 5 1 0 0 1 1 5 2 0 2 0 3 0 1 1 10 100 0 001 0 01 0 1 150 5 1 5 0 3 50 Input ...

Page 174: ...10 100 0 1 1 10 Input current A Input voltage V Operating area where specifications are guaranteed 75W 150 5 15 0 1 1 10 100 0 01 0 1 1 150 5 1 5 50 75W Input current A Input voltage V Operating area where specifications are guaranteed 0 1 1 10 100 0 001 0 01 0 1 150 5 0 15 Input current A Input voltage V Operating area where specifications are guaranteed ...

Page 175: ...ce Program Creation Table Program name Date By Channel numbers 1 to 5 Memo Operation mode CC CR Range A A RPT 1 to 9999 Last load OFF ON OFF ON Step Number Value Execution Time Note 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ...

Page 176: ...icable There are no settings that relate to the command Expression Expression Details conductance A value defined by SCPI It can be MAXimum or MINimum May include suffix units such as mS μS and S current A value defined by SCPI It can be MAXimum or MINimum May include suffix units related to current such as mA μA and A power A value defined by SCPI It can be MAXimum or MINimum May include suffix u...

Page 177: ...face message defined in IEEE 488 1 See section 6 1 4 2 5 of IEEE 488 2 N A TST Since there is no self test function built into the PLZ U an ASCII character 0 is always returned in the output queue in response to this query Query only WAI Prevents the device from executing subsequent commands or queries until the No Operation Pend ing flag becomes true OPC N A SCPI Command Description Query Note 1 ...

Page 178: ... turn off the load or limit the cur rent when the OCP trips Yes 3 RANGe LOW MEDium HIGH Sets the range of CC mode Yes 1 SOURce POWer PROTection LEVel OVER value MINimum MAXimum Sets the overpower protection level Yes 1 PROTection ACTion LIMit TRIP Sets whether to turn off the load or limit the cur rent when the OPP trips Yes 3 SOURce VOLTage LEVel IMMediate AMPLi tude AMPLitude volt age MINimum MA...

Page 179: ...itude cur rent MINimum MAXimum Sets the current when a trigger is activated N A 1 SCPI Command Description Query Note 1 Note 2 SOURce PULSe STATe OFF ON Turns on off the switching mode Yes 3 DCYCle value Sets the switching duty cycle Yes 1 FREQuency value Sets the pulse frequency Yes 3 SOURce PULSe LEVel VALue CONDuctance conduc tance Sets the level for CR mode Yes 3 VALue CURRent current Sets the...

Page 180: ...ce sets the current value after the specified program ends Yes 3 PROGram SELected FSPeed STEP END step Sets the end step of the sequence mode Yes 3 STEP EDIT POINt step conductance cur rent trig time Edits an existing sequence step Yes 3 TIME time Sets the step execution time of the sequence mode Yes 3 SCPI Command Description Query Note 1 Note 2 SYSTem CAPability Queries the SCPI instrument class...

Page 181: ...tion INSTrument on page 36 Query only 1 ENABle status enable Yes 1 EVENt Query only 1 NTR Yes 1 PTR Yes 1 STATus OPERation INSTrument ISUMmary n CONDition See Table 6 5 OPERation INSTrument ISUM mary status register STATus OPERation INSTru ment ISUMmary on page 38 Query only 1 ENABle status enable Yes 1 EVENt Query only 1 NTR Yes 1 PTR Yes 1 STATus QUEStionable INSTrument CONDition See Table 6 6 Q...

Page 182: ...ister STA Tus CSUMmary on page 45 Query only 3 ENABle status enable Yes 3 EVENt Query only 3 NTR Yes 3 PTR Yes 3 STATus CSUMmary INSTrument CONDition See Table 6 10 CSUMmary INSTrument status register STATus CSUMmary INSTrument on page 46 Query only 3 ENABle status enable Yes 3 EVENt Query only 3 NTR Yes 3 PTR Yes 3 STATus CSUMmary INSTrument ISUMmary n CONDition See Table 6 11 CSUMmary INSTru men...

Page 183: ...is the generic syntax error 101 Invalid character A data element different from those that are allowed was encountered 102 Syntax error An unrecognized syntax was encountered in the command string 103 Invalid separator An invalid separator exists in the command string 104 Data type error The parser recognized a data element different from the one allowed 105 GET not allowed A Group Execute Trigger...

Page 184: ...The occurrence of any error in this class shall cause the query error bit bit 2 in the event status register to be set Error Code Error Message Description 140 Character data error This error is generated when parsing a character data element 150 String data error This error is generated when parsing a string data element 160 Block data error This error is generated when parsing a block data eleme...

Page 185: ...escription 21 Operation denied due to ALARM state 22 Operation denied due to PROGRAM running 23 Operation denied due to SWITCH running 24 Operation denied due to INPUT ON 27 Operation denied due to incompatible FUNCTION MODE 31 Operation denied due to incompatible PROGRAM MODE ...

Page 186: ...A 26 Appendix PLZ U ...

Page 187: ... CLEAR CONFIG key 3 7 communication function 8 5 CONFIG 3 7 configuration settings CONFIG 5 17 control flat cables 1 6 CR 3 3 CR mode A 4 CR CV mode A 10 current monitor output 5 28 CV 3 3 CV mode A 6 CV CV 3 3 D DC INPUT 3 8 3 12 delayed load on 4 5 dimensions 8 8 DISP key 3 9 dust filter 7 2 DUTY 3 6 duty cycle 5 5 DUTY RPT key 3 6 E earth 2 8 elapsed time display 4 5 5 8 ENTER key 3 7 error mes...

Page 188: ...screen 2 9 N number of program loops 5 9 O OCP 3 6 4 9 OHP 4 10 operating area of each model A 13 operating area of PLZ U A 1 operating humidity range 2 4 8 7 operating temperature range 2 4 8 7 operation mode indicator 3 9 operation mode setting of 4 6 OPP 3 6 4 9 oscillation reduction of 2 13 overcurrent protection 4 9 overheat protection 4 10 overpower protection 4 9 overvoltage 2 14 overvoltag...

Page 189: ...g the Trip Points 4 12 setup display 3 4 setup memories 5 31 SHIFT key 3 4 SLEW RATE 3 6 slew rate 5 7 SLEW RATE S START key 3 6 slot for installing the load unit 2 6 soft start 5 2 standard event status register 6 50 status byte register 6 51 STEP 3 5 step execution time 5 9 step numbers 5 9 storage humidity range 2 4 8 7 storage temperature range 2 4 8 7 STORE 3 7 STORE indicator 3 4 SW indicato...

Page 190: ...I 4 Index PLZ U ...

Page 191: ......

Page 192: ...y 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 r...

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