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4700 lxi dc load user manual - Advanced Test Equipment Rentals

1. LUG 1 4 X 2 O AWG SEE TABLE QTY amp AWG BOLT 1 4 20 x 0 875 BRASS QTY 24 BOLT 1 4 20 x 0 625 BRASS QTY 8 BOLT 1 4 20 x 0 50 BRASS QTY 24 WASHER FLAT 1 4 BRASS QTY 32 WASHER LOCK SPLIT 1 4 BRASS QTY 56 BUS BAR 02 3344 QTY 6 BUS BAR SPACER 4 HOLE 02 3161 QTY 8 FIGURE 4 95 of 103 4700 LXI DC LOAD USER MANUAL FIVE LOADS DESCRIPTION QTY WIRES WIRE AWG 15KW 4750 750A 8 2 30KW 4750 1500 16 2 15KW 4700 3000A 24 2 O 30KW 4700 6000A 40 2 O OBLONG HOLES THIS END 70 10 LUG 1 4 X 2 0 AWG SEE TABLE QTY amp AWG 20 BOLT 1 4 20 x 0 875 BRASS OTY 32 30 BOLT 1 4 20 x 0 625 BRASS QTY 8 40 BOLT 1 4 20 x 0 50 BRASS QTY 30 50 WASHER FLAT 1 4 BRASS QTY 40 60 WASHER LOCK SPLIT 1 4 BRASS QTY 88 70 BUS BAR 02 3344 QTY 8 80 BUS BAR SPACER 4 HOLE 02 3161 QTY 10 FIGURE 5 96 of 103 4700 LXI DC LOAD USER MANUAL OBLONG HOLES THIS END 70 LOADS DESCRIPTION QTY WIRES WIRE AWG 18KW 4750 900A 10 2 36KW 4750 1800 20 2 18KW 4700 3600A 30 2 O 36KW 4700 7200 50 2 O lt gt G LLI m o cO CN E co 00 gt gt gt odo
2. 29 3 35 A700 EXIOPERATING ENVBLOPEH 52 u eaae EIS zoe unus yka apuyaya piya kasqapas 30 3 36 4760 LXI IKW PROGRAMMABLE FEATURES 31 337 Z7T60 LXIL IKW MEASUREMENTS c E 3 3 38 4760 LXI 2KW PROGRAMMABLE FEATURES 32 3 39 4760 LXTZ KW MEASUREMENTS ver uuu a unupa 32 3 40 4760 LXI 3KW PROGRAMMABLE FEATURES yl eeu toon cepe eee S y E lene vu ec ote eer snae EU TP Up a 33 3 41 ZTODUT XISKMWIMEBASUREMENTS uere uuu u osa Penes eu E tope ete La oda RUE 33 3 42 4760 LXI 6KW PROGRAMMABLE FEATURES u eene hene ese tese ese u s sentes a 34 3 43 ATOON XT OR W MEASUREMENTS uu uuu sect uuu t Iss oid 3 34 3 44 4760 LXI 9KW PROGRAMMABLE FEATURES u u u u ee eene hene eset 35 3 45 TIODIXIOKW MEBASUREMENTS wisi eu au xu apes tu uu uuu 35 3 46 4700 I XI I KW PROGRAMMABLE PERATURES 56 ul 36 3 47 700 L RK W NIB AS URE MENUS 36 3 48 4700 LXTTSKW PROGRAMMABLE FEATURES Un co N 37 3 49 7600 L KAW NIBAS URE VIENUS onc indc one ein 37 3 50 4760 LX124KW PROGRAMMABIEETEEATURBS
3. 46 4 1 9 RMT SEN AND OVPS CONNECTORS Lu Lu hene hse tese senes 46 42 SERIAL COMMUNIC ATION UA isle L u iu nissa 47 4 2 1 ADD SWIICIIPSL uu au kapa kia eese usano Uo codo stone kaa 47 4 2 2 PAUPEATESNWIICIL L 47 4 2 3 CONINL DIN SBEBCI SWITCH ese uu un 48 4 2 4 ADDITIONAL DEVICE ae uuu u ua a anasu 48 4 2 5 COMM IN COMM OUT CONNECTORS 49 COMMUNICATION diets esta Doe te vint vtt ted ntn even pe tem ME PROPOS 50 4 3 NETWORK IN OUT CONNECTORS ta ext db totu A aod coeno testae dao 50 4 3 2 D ADDRESS NC ms 50 6 of 103 4700 LXI DC LOAD USER MANUAL AA HARDWIRED PARALLEBEED SYSTEM 51 4 4 1 STAND ALONE PARALLEL SWITCH 5 4 4 2 PARALDBEEIN CONNECIOR uu 51 44 3 PARALLEL OUI CONNECTOR 3 u u Lu nuyu u mas 51 4 4 4 P ARAEEPEEPEEBD SYSTEM REAR VIEW uyu lu uuu y usu m ua ax
4. IRANGE ENABLE HI LO ICTRL IMON O O LOAD POSITIVE LOAD NEGATIVE VDC MAX NETWORK OUT STAND ALONE PARALLEL O VOLTAGE SELECT PARALLEL IN 5 ue PARALLEL OUT AC INPUT C CHASSIS GRND 4 I r 4 45 of 103 4700 LXI DC LOAD USER MANUAL 4 1 7 200 Current Limit Switch If the load Is always used at less than 200A smaller wire may be used when a maximum current limit of 200A 15 selected Switch 11 1s located on the rear panel between the DOUT and SYNC connectors Setting Switch 11 to 0 factory default allows full current operation and 1 limits current to 200A When a switch bit is moved toward the outside of the chassis the bit is set to 0 When a switch bit is moved toward the fan the bit is set to 1 This switch 15 only read once at power up If this switch is changed the load must be turned off and on again for the new switch setting to take effect 4 1 8 Boot from EPROM Switch This is useful if the firmware in FLASH has been corrupted Switch 8 is located on the rear panel between the DOUT and SYNC connectors If Switch 8 is set to 1 the DSP will boot from firmware in EPROM When Switch 8 15 set to 0 factory default
5. m S X Wnnmnmnmnmsnnnnnmnmnnnnn S X S NM Y nmnmamnmsnnnmnmmnmnmmamamnmnmnmnmntnnnnnmnmrnmnmnunmnmnmnnmmnnmnrinmnmimimrminrnnunrinmmrnmnnnnnun DAAAADAAARAADAADAAAARAAADARAAARAAAARAADAARAAAAADANRAAAAHRAARAAADA C K S M SS S S wow S S wo 9 R R XVOonmnmnmsamnnmmnmmmummnnnnmnnmnnnnnnnnnnnninunnnnnnnmmnmnnmnrnmnnmnnmumn Ynmmmamnmmnmnnnnnnnnnnunnnununumnumnmnununmnmnnmnmnmnmnmmnunmnmntumnmunmunmnunnnuinnnun W E M ES E S GE E UU X R R asus m 5888 3 3 uS S NE E E S S E S MES SS S XS S S 3 R ES M ES ES OS So S E E REH HEB E S oS X Ww X D 4 1 6 Rear View TRIGGER QO 4C 3 DOUT DIN 1 COMM IN IN OUT 0 OVPS O O O O SYNC 12 5 ADDR OUT IN N OVPS RMT SEI RMT SEN COMM OUT 4321G G
6. 100 40uSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 1 A Sec to 20A uSec lt SuSec 190 5uSec 3 16 4700 LXI IKW Configuration Measurements Current Range Accuracy Resolution Voltage Range Accuracy Resolution DSO Bandwidth Voltage and current waveform capture Accuracy Channels Digitizing rate Memory Resolution Triggering DSO Range is the same as Current or Voltage being measured CR Range Not less than 126 milliohms to 20A 0 to 200A 0 12 of reading 0 06 of range 0 0015 of range 0 to 6 6V 0 to 66V to 166V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In CR Accuracy Set 15 to 500 of range 2 accuracy Set 500 to 300096 of range 10 accuracy 20 of 103 4700 LXI DC LOAD USER MANUAL 3 17 4700 LXI 2KW Configuration Programmable Features Constant Current Range Accuracy Resolution Constant Voltage Accuracy Resolution Constant Power Range Limited to 2KW Accuracy Resolution Constant Resistance Range Accuracy Short Circuit Range Resistance Current Loop Response Range Over shoot 10 max with less Max didt than 1 Vp p ripple Transient Mode Settings Only one mode CC CR CP or Total Period CV at a time may be Delay programmed in a transient Resolution Ac
7. 10 100 A of current range Accuracy is 15 repeatability is 1 NOTE The voltage output is common with the load input negative bus bar 55 of 103 4700 LXI DC LOAD USER MANUAL 4 8 Software Installation 4 8 1 Software Installation from DVD Close all programs that are currently running in windows Insert the DVD into the drive if your drive 15 configured for Autoplay the setup program should start If Autoplay 15 not enabled you will need to view the contents of the disk and double click on Setup to start the installation Follow the prompts on the screen to install You will need to reboot during the process 56 of 103 4700 LXI DC LOAD USER MANUAL 5 POWERTOUCH OPERATION PowerTouch Control Panel USB Flash Drive Port Control Power HW Fault Indicator 5 1 Control Power Switch and Indicator This switch indicator is located on the front panel When ON this switch indicator will light indicating fan control power 15 applied and the CPU 15 operating 5 2 Error Indicator The error indicator 15 located on the front panel and indicates either a fuse has blown or the load has detected an over temperature condition 5 3 Operation The front panel 15 a touch sensitive panel which allows for local operator control and monitoring of the load It consists of a common control bar area on the left of the display and a tab control on the right Along the bottom are status i
8. AUXILIARY 3 PARALLEL OUT LOAD NEGATIVE LOAD POSITIVE PARALLEL IN AUXILIARY 4 PARALLEL OUT I LOAD NEGATIVE LOAD POSITIVE PARALLEL IN AUXILIARY 5 PARALLEL OUT LOAD NEGATIVE 52 of 103 4700 LXI DC LOAD USER MANUAL 4 4 5 Paralleled Connection and Wiring Each 4700 LXI 4760 LXI load 1s capable of extreme current The loads must be wired appropriately to prevent wire damage Appendix A shows how to wire the 4700 LXI A760 LXI loads taking advantage of the full current rating of the load As shown the wires must be distributed along all the buss bars If the current 1s limited by the DC Source UUT then there is no need to wire for full load current WARNING Using a higher current rated DC Source than the system is wired for may damage external load wiring Use the National Electric Code Ampacity tables to select wire type and size The physical location of the loads 15 critical Master and Auxiliary load boxes must mounted directly above and below each other using the buss bar technique as in Appendix A Communication from one load box to the next via the parallel cable may be disrupted 1f the buss bar from load to load 1s not used P N 1109207 BUSS BAR KIT 4 5 Software Paralleled System Many Masters may be paralleled When multiple Masters are operating in parallel 1 The Stand Alone Parallel sw
9. 38 3 51 ATOOGEXT 24KW MEASUREMENTS 5 eise T Sau uu a awisa m 38 3 52 4760 LXI 30KW PROGRAMMABLE FEATURES cccscccssscsscccssccssccsccesscesceesccesccesscesseesscescceussees 39 3 53 TOU TL XTDSO0RW NIBASUBEMENTS a ZS u umu Su a beu P Da neue M D E 39 3 54 4760 LXI 36KW PROGRAMMABLE FEATURES u l a I SH Q ese sese see a 40 3 55 AT OO TL XT S0 W MEASUREMENTS ze Z Aoi cu D EE 40 3 56 AT OU LX DLOPEPATING ENVELOPE 2 u uuu a A iS Dua ta cu Dp esee 41 3 57 BLOCK DIAGEANID Zuu un usasapa mistisa maw s maed 42 4 TINS TALEA WMLOL 43 Tj C FEAR WARE INS TAWA TION uu um ba aS u iu a ass 43 4 1 1 VOPPACESEPEECTSWIPICPDESE D DS SS t t a la 43 4 1 2 NPUTECONSNPGIOR b u m XE T S SUS S esate 43 4 1 3 ADEOUATE Z EZ L DE M M I CS a SE 43 4 1 3 1 uuu UM M M M Um 43 41 32 JXDEOUATE EEOOR SPACB e Su EIL D LL ae ie casa eae 44 4 1 4 LOAD POSITIVE AND NEGATIVE BUS BARS ocu n u ee 44 4 1 5 J O Eas Vs Si LE PP M IM WP OE IO ER PR 45 4 1 6 FI Y IEW Re Re ae ML IE IM ELE M OTN 45 4 1 7 200A CURRENT LIMIT SWITCH 46 4 1 8 BOOT FROM EPROM _ SWITCH
10. Accuracy Resolution Bandwidth Accuracy Channels Digitizing rate Memory Resolution Triggering CR Accuracy Set 50 to 1000 of range 2 accuracy Set 100096 to 600046 of range 10 accuracy 36 of 103 to 60A 0 to 600A 0 12 of set 0 08 of range 0 025 of range 1 to 20V 1 to 200V to 600V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 50 to 6000 of Voltage range divided by Current range 2 of set 60A 0 1670 max 96A max 600A 0 01670 max 960A max 100 AOuSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 3A Sec to 60A uSec lt SuSec 190 5uSec to 60A 0 to 600A 0 12 of reading 0 06 of range 0 0015 of range 0 to 20V 0 to 200V 0 to 600V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In 4700 LXI DC LOAD USER MANUAL 3 48 4760 LXI ISKW Programmable Features Constant Current Constant Voltage Constant Power Limited to ISKW Constant Resistance Short Circuit Loop Response Over shoot 10 max with less than I Vp p ripple Transient Mode Only one mode CC CR CP or CV at a time may be programmed in a transient Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Rang
11. Number of Samples The Acquisition sub tab defines the total time for the capture aperture and the number of samples over that time To determine sample rate in hertz Sample Rate Samples Aperture In the above example a 0 5 second aperture and 1000 samples yields a sample rate of 2000Hz 62 of 103 4700 LXI DC LOAD USER MANUAL 5 6 1 2 Scope Setup Monitor Control Scope Setup More Siew Operation Acquisition Scope DispaySample WF2 V Display Sample Auto Trigger Run Continuous WF1 and WF2 drop down list lets you choose what waveform will be displayed as waveform 1 and 2 on the display You can choose to display the voltage current or no waveform Display drop down list lets you choose the method to draw the waveform on the display Since there are a limited number of pixels to draw the waveform this choice lets you choose how captured data is represented visually There are two choices for display Sample and Hi Res In sample mode each pixel on the display represents the value of the nearest sample In hi res mode each pixel represents the average of all the samples that fall under that pixel To illustrate this let s assume that the scope display has 100 pixels across That means we have to represent the captured waveform regardless of the number of samples with exactly 100 pixels So if we had a 1000 sample capture we can display every 109 sample as a single pixel
12. 20 000 us Maximum Pulse Width 20 000 5 Minimum Measurement Aperture 200 000 us Maximum Measurement Aperture 81 920 5 Number of DINs 0 Number of DOUTs 0 Current Range 1 2 The Manufacturer Information section contains useful data such as the load s serial number hardware and firmware revision numbers and date of last calibration 6 5 4 4 Selftest Pressing self test will reset the selected load then perform a built in test After the test is complete a pop up dialog appears informing the results of the test 6 5 4 5 Advanced Properties Pressing advanced properties will display a dialog that allows you to set properties that while rarely used can be beneficial when operating the load From the dialog below you can see that the advanced property dialog contains fields that duplicate those found on the softpanel itself When OK is pressed the softpanel will refresh itself to reflect any changes made within the advanced property dialog 81 of 103 4700 LXI DC LOAD USER MANUAL DC Load 1 Advanced Properties Load Control Macro Programming Slew Rates Enter zero to specify the maximum slew rate Constant Resistance 3 000 Ohms uS Constant Voltage 12 000 Vu Constant Power 500 000 Wus Active Mades Enable CC mode Enable made Enable CV mode _ Enable CP mode Voltage Sense Sense Extemal Sense Advanced Regulation Settings Firmware Regulation Gain Reset to
13. Constant Resistance Short Circuit Loop Response Over shoot 10 max with less than I Vp p ripple Transient Mode Only one mode CC CR CP or CV at a time may be programmed in a transient 3 51 DSO Voltage and current waveform capture DSO Range is the same as Current or Voltage being measured Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Range Resistance Current Range Max di dt Settings Total Period Delay Resolution Accuracy Modes Range Resolution Accuracy 4760 LXI 24KW Measurements Range Accuracy Resolution Range Accuracy Resolution Bandwidth Accuracy Channels Digitizing rate Memory Resolution Triggering CR Accuracy Set 50 to 1000 of range 2 accuracy Set 100096 to 600046 of range 10 accuracy 38 of 103 0 to 120A 0 to 1200A 0 12 of set 0 08 of range 0 025 of range 1 to 20V 1 to 200V to 600V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 50 to 6000 of Voltage range divided by Current range 2 of set 120A 0 0833Q max 192A max 1200A 0 00833Q max 1920A max 100 AOuSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 6A Sec to 120A uSec 5uSec 190 5uSec 0 to 120A 0 to 1200A 0 12 of reading 0 06 of range 0 0015 of range 0 to 20V 0 to 200V 0 to 600V 0 01 of readin
14. 2 10 KW PBATUBEBS u Zum u D bU tate Mean Rm au Susulan Siz 13 2 11 L XT LOAD e OKW PERATURES Z Su uu u us Dun a su 13 2 12 ZZ00 EXTLOAD 36 KW FEATURES etate oru S Uto tait n desto tentes ul a SASS 13 2 13 ATO WX TE LOAD TKK W FEATURE sg uade ante tb uy edite Sua S Su 14 2 14 WAT LOAD 2 EW FEATURES R u adita Sa bedient totes D Sis 14 2 15 JJOO LXE LOADS SEW SB EA TUR a wana qaqaia haqa hagan aw bin 14 2 16 AIO0LXLILOAD OKW FEATURES ys E Eh oe deese den Enero deese PUE aeo e 14 2 17 4760 L XT LOAD ORK W PEAT URES vse ttti Ure deseo ev Ito ia saa ahay deese den Enero deese Poe Senor qeu eet de aedes 14 2 18 AIODLXLILOADSI2ERWBEATURES uuu uuu Run awakuy deine dictos Ep Fabi ot sese one adeo dou laps 14 2 19 4760 LXTLOAD TSK W FEATURES u uuu 1 eee ope eoo dou Eee ao apos 15 2 20 ZIODLXLLOAD 2d4K amp WSEBEATUBES awa Gaia kaqku eme one ad uqu io apte e 15 2 21 ATODIAXLLOSD 30R W FEATURE Sana tol Em de TED u EIE Cedex Ier p IS eod nz tien uma s 15 2 22 A700 LX 360K u uu u uyu u uuu olan usun m au na N 15 3 SPEC E OE EB WEM ER ecc 17 5 MEE Gee US HIS tT EET 17 S USIZbS 17 ERO MER EPI uD
15. of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In CR Accuracy Set 15 to 500 of range 2 accuracy Set 500 to 300096 of range 10 accuracy 22 of 103 4700 LXI DC LOAD USER MANUAL 321 4700 LXI 6KW Configuration Programmable Features Constant Current Range Accuracy Resolution Constant Voltage Accuracy Resolution Constant Power Range Limited to 6K W Accuracy Resolution Constant Resistance Range Accuracy Short Circuit Range Resistance Current Loop Response Range Over shoot 10 max with less Max didt than 1 Vp p ripple Transient Mode Settings Only one mode CC CR CP or Total Period CV at a time may be Delay programmed in a transient Resolution Accuracy Modes Slew Rate Range Resolution Accuracy 0 to 120A 0 to 1200A 0 12 of set 0 08 of range 0 025 of range 0 15 to 6 6V 0 15 to 20V 0 15 to 66V 0 15 to 120V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 15 to 3000 of Voltage range divided by Current range 2 of set 120A 1200A 8 33milliQ2 max 833uQ max 200A max 2000 max 1200A 120A uS 100 AOuSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 6A Sec to 120A uSec lt SuSec 190 5uSec 3 22 4700 LXI 6KW Configuration Measurement
16. the DSP will boot from firmware in FLASH When a switch bit 15 moved toward the outside of the chassis the bit 15 set to 0 When a switch bit is moved toward the fan the bit is set to 1 This switch is only read once at power up If this switch is changed the load must be turned off and on again for the new switch setting to take effect 4 1 9 RMT SEN and OVPS Connectors Located on the rear panel provides Remote Voltage Sense and Over Voltage Power Supply connections Remote voltage sense wires may be connected to the DC source for more accurate voltage metering If remote sense 15 used it must be selected in software Over Voltage Power Supply wires may be connected to the Over Voltage DC source for over voltage testing An internal over voltage relay may be selected in software to connect the OVPS input to the load positive and negative inputs 46 of 103 4700 LXI DC LOAD USER MANUAL 4 2 Serial Communication Serial communication to other NHR devices 15 available through the COMM IN and COMM OUT COMM IN OUT is an NHR proprietary version of an RS 485 serial port It allows multiple NHR products to be connected to a single COM port 4 2 1 ADDR Switches The 6 bit address switch on the rear of the load 15 used to set a unique communication address for the load on the S6000 family serial interface The address switch on the load CANNOT be the same as any other device on that port This address switch setting determines a 6 b
17. unique to every networked device To talk to a Load that has auto assigned an address the PC network interface must be in the same domain This may require going to the Windows Settings Network and Dialup Connections control panel for the Network Interface Under the IP properties the IP address will have to be changed to a fixed address such as 192 168 000 001 or 192 168 000 002 All of this setup and connection must be done before launching the NH software which will find networked devices that are in the same IP address domain as the PC network interface Please see Appendix A for a more detailed discussion of Ethernet setup and configuration options 50 of 103 4700 LXI DC LOAD USER MANUAL 4 4 Hardwired Paralleled System One Master and up to five Auxiliary chassis may paralleled The Master is on top Auxiliary 1 under the Master Auxiliary 2 under Auxiliary 1 and so on to the last Auxiliary on the bottom Only a Master has a Controller circuit card Auxiliary chassis do not have a Controller circuit card and cannot operate stand alone When Master and Auxiliary chassis are operating in parallel 1 The Stand Alone Parallel switch must be set to Parallel 2 Both Parallel In and Parallel Out must be connected 3 AII Load Positive connections must be tied together 4 Load Negative connections must be tied together Connect Parallel Out of the Master to Parallel In of Auxiliary one Connect Parallel Out
18. 0 d A t D y 0 lt lt lt e Omm yk O _ m J Q S x lt ooo lt Vox x x lt O ON es o ox O NL x xr Dc a d 2 QN CO sr LO QTY 10 80 BUS BAR SPACER 4 HOLE 02 3161 QTY 12 70 BUS BAR 02 3344 97 of 103 4700 LXI DC LOAD USER MANUAL APPENDIX B HARDWARE CONFIGURATION Connections Connect the PC LAN port to LAN IN of the load using the supplied Cross Over Ethernet cable PC Setup 1 Open Windows Control Panel 2 Open Network Connections 3 Select and right click the Local Area Connection that is connected to the load and choose Properties disable any other ports temporarily Local Area Connection Properties General Advanced Connect using Eg Broadcom 440x 10 100 Integrated C This connection uses the following items IE Client for Microsoft Networks x File and Printer Sharing for Microsoft Metworks 05 Packet Scheduler Description Transmission Control Protocol Intemet Protocol The default wide area network protocol that provides communication across diverse interconnected networks Show icon in notification area when connected Notify me when this connection has limited or no connectivity 4 Select the Internet Protocol and click Properties 98 of 103 4700 LXI DC LOAD USER MANUAL Internet Protocol Version 4 TCP IPv4 Properties General You can get IP
19. 6 6V 0 to 66V 0 to 166V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In DSO Range is the same as Current or Voltage being measured CR Range Not less than 3 5 milliohms CR Accuracy Set 15 to 50096 of range 296 accuracy Set 500 to 300096 of range 10 accuracy 1 4 29 of 103 4700 LXI DC LOAD USER MANUAL 3 35 4700 LXI Operating Envelope 1000 100 10 Volts 80 100 120 60 Amps 0 20 40 0 1 4700 LXI Operating Envelope 30 of 103 4700 LXI DC LOAD USER MANUAL 3 36 4760 LXI IKW Programmable Features Constant Current Range Accuracy Resolution Constant Voltage Range Accuracy Resolution Constant Power Range Limited to IKW Accuracy Resolution Constant Resistance Range Accuracy Short Circuit Range Resistance Current Loop Response Range Over shoot 10 max with less than Max di dt I Vp p ripple Transient Mode Settings Only one mode CC CR CP or CV Total Period at a time may be programmed in a Delay transient Resolution Accuracy Modes Slew Rate Range Resolution Accuracy 3 37 4760 LXI 1KW Measurements Current Range Accuracy Resolution Voltage Range Accuracy Resolution DSO Bandwidth Voltage and current waveform capture Accuracy Channels Digitizing rate Memory Resoluti
20. Block Diagram 42 of 103 4700 LXI DC LOAD USER MANUAL 4 INSTALLATION 4 1 Hardware Installation Unpack the load Save the packing material 1f a need arises to return the load The load 15 designed to mount into a 19 rack Optional slide rails are available for the 10 5 inch chassis The 5 25 inch chassis can be mounted on right angle slide brackets Select a suitable location which meets size weight temperature airflow control power input and load power input requirements 411 VOLTAGE SELECT Switch This switch indicator 1s located on the rear panel selects 115V or 230V AC input power This switch must be set to the applied input voltage or damage to the load will occur 4 1 2 AC INPUT Connector Located on the rear panel supplies AC input power to the fans and control circuits Mating cable type 15 NH Part Commercial Part 8030041 CABLE AC PWR 17505 BELDEN VOLEX 14X3 10 NEMA IEC 4 1 3 Adequate Ventilation 4 1 3 1 Airflow The load will dissipate 1ts power rating in heat 122 832 BTU j C Allow for 600CFM 3Kw amp 6Kw and 300CFM 1Kw amp 2Kw per chassis of air to enter the front and exit the rear of the load This must be cool air and not hot re circulated air 43 of 103 4700 LXI DC LOAD USER MANUAL 4 1 3 2 Adequate Floor Space 24 61CM AIR EXHAUST mu 30 76CM AIR FLOW FRONT WORK AREA 18 46CM As shown a minimum of 24 61CM floor
21. Resolution Range Accuracy Range Resistance Current Range Max di dt Settings Total Period Delay Resolution Accuracy Modes Range Resolution Accuracy 0 to 600A 0 to 6000A 0 12 of set 0 08 of range 0 025 of range 0 15 to 6 6V 0 15 to 20V 0 15 to 66V 0 15 to 120V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 15 to 3000 of Voltage range divided by Current range 2 of set 600A 6000A 1 671119 max 167uO max 990A max 9900 max 6000A 600A uS 100 40uSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 30A Sec to 600A uSec 5uSec 190 5uSec 3 32 4700 LXI 30KW Configuration Measurements Current Range Accuracy Resolution Voltage Range Accuracy Resolution DSO Bandwidth Voltage and current waveform capture Accuracy Channels Digitizing rate Memory Resolution Triggering DSO Range is the same as Current or Voltage being measured CR Range Not less than 4 2 milliohms 0 to 600A 0 to 6000A 0 12 of reading 0 06 of range 0 0015 of range 0 to 6 6V 0 to 66V to 166V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In CR Accuracy Set 15 to 50096 of range 290 accuracy Set 500 to 300096 of range 10 accuracy 28 of 1
22. Setup 600 000v JE YH 100 000A 0 3000kw 10000 5 lt 0 E 5 5 1 1 Short Circuit Short circuit is an operating mode but unlike the other modes it is mutually exclusive with all other modes If you go into short circuit mode the load will draw as much current as it can without exceeding its maximum rated power Because this mode supersedes the other modes and has the power to be destructive going into short circuit mode is a two step process Step 1 Press the red SC button Step 2 Respond to the dialog Monitor Control Scope Setup More Confirm Short On Off Continue putting load in short circuit mode When OK is pressed the load will be put in short circuit mode To remove the short press the red SC button or turn the load off with the On Off button in the control bar NOTE the load will NOT start up in short circuit mode when the on off button is toggled back to on 61 of 103 4700 LXI DC LOAD USER MANUAL 5 6 Scope Page Monitor Control Scope Setup More On OFF y Cursors Off Once 0 00ms 500 00ms 500 00ms Force m ma CO I 4 P b LED rn Cir The Scope page allows viewing and analysis of captured waveforms 5 6 1 Setup Waveform Capture Setup options for the waveform capture on the setup page 5 6 1 1 Acquisition Setup Monitor Control Scope Setup More Slew Operation Acquisition Scope Capture Aperture 0 50008
23. When a switch bit 15 moved toward the outside of the chassis the bit is set to 0 When a switch bit is moved toward the fan the bit is set to 1 This switch is only read once at power up If this switch 1s changed the load must be turned off and on again for the new switch setting to take effect 4 2 4 Additional Devices The COMM OUT connector can be used to communicate with other Loads or NH Instruments that have COMM IN OUT connectors Any additional devices connected using the COMM IN OUT chain must have unique 6 bit Address values set on the rear panel Address switch 48 of 103 4700 LXI DC LOAD USER MANUAL 4 2 5 COMM IN COMM OUT Connectors Located on the rear panel this connector will mate with NHR type modules This connection may be used for control of the load in a test system If COMM IN is used set switch 9 to 0 Refer to the Serial Select Switch section COMM OUT FEMALE COMM IN MALE IN 1 Liam lelem 6 nnkn 16 INIIKIN o LCLOUT ramo C 9 xn JRXOUT Signal levels on this connector are differential with levels conforming to RS422 specification IN Matng connector type 15 NH Pan Commercial Part 6200844 DSUB 15 Socket ba ITT Kuy COMM IN 6200799 DSUB 15 Plug DAI5P ITT CANNON COMM OUT 6200800 DSUB Shell DA24658 ITT CANNON 6201309 DSUB Screw Lock D20419 21 ITT CANNON 49 of 103 4700 LXI DC LOAD USER MANUAL 4 3 Ethern
24. na A ass yas 17 So COMMUNICATION d Led use OE E pue E 17 55 PROGRAM CONTROL 18 5 05 JIROBUSTNESS uuu 18 x T TP 18 SX EN dI IL NORTE 18 S MINIS 18 3 10 PERFORMANCE MONITORING creci des teles te nuy Du ten peo Sa Su lna noa ia ya 18 3 11 TEMPERATURE se E E I LSU E uU LIO 19 3 12 SINS Ered acces ent ieee LR M E M LR E LIO 19 3 13 SUPPE PONER uite ssec smua LR LM a ee LI def 19 3 14 NINSCROS E M LN 19 3 15 4700 LXI IKW CONFIGURATION PROGRAMMABLE FEATURES 20 3 16 4700 LXI IKW CONFIGURATION MEASUREMENTS 20 3 17 4700 LXI 2KW CONFIGURATION PROGRAMMABLE FEATURES 21 3 18 4700 LXI 2KW CONFIGURATION MEASUREMENTS 21 3 19 4700 LXI 3KW CONFIGURATION PROGRAMMABLE FEATURES 22 3 20 4700 LXI 3KW CONFIGURATION MEASUREMENTS 22 3 21 4700 LXI 6KW CONFIGURATION PROGRAMMABLE FEATURES
25. reduced current to 0 15 V 5mO to 180 ohms 0 15 to 120V 5 25 inch chassis 2 4 4700 LXI Load 2KW Features 2 5 4700 LXI Load 3KW Features 2 6 4700 LXI Load 6KW Features 10 5 inch chassis 2 7 4700 LXI Load 9KW Features Size 2 inch rack height one Master 10 5 inch chassis and one Auxiliary 10 5 inch chassis 2 8 4700 LXI Load 12KW Features Size 2 inch rack height one Master 10 5 inch chassis and one Auxiliary 10 5 inch chassis 12 of 103 4700 LXI DC LOAD USER MANUAL 2 9 4700 LXI Load 18KW Features 18000W continuous 3600A 1V reduced current to 0 15V 2781 to 10 ohms 0 15 to 120V Size 31 5 inch rack height one Master 10 5 inch chassis and two Auxiliary 10 5 inch chassis 2 10 4700 LXI Load 24KW Features 4800A 1V reduced current to 0 15 V 20810 to 7 5 ohms 0 15 to 120V Size 42 inch rack height one Master 10 5 inch chassis and three Auxiliary 10 5 inch chassis 2 11 4700 LXI Load 30KW Features Size 52 5 inch rack height one Master 10 5 inch chassis and four Auxiliary 10 5 inch chassis 2 12 4700 LXI Load 36KW Features 36000W continuous 7200A 1V reduced current to 0 15 V 1391 to 5 ohms 0 15 to 120V Size 63 inch rack height one Master 10 5 inch chassis and five Auxiliary 10 5 inch chassis 13 of 103 4700 LXI DC LOAD USER MANUAL 2 13 4760 LXI Load 1KW Features 1000W continuous 50A 7V reduced current to 1V 0 20 to 7200
26. set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 15 to 3000 of Voltage range divided by Current range 2 of set 180A 1800A 5 6milli 2 max 556uO max 300A max 3000A max 1800A 180A uS 100 40pn Sec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 9A Sec to 180A uSec lt SuSec 190 5uSec 3 24 4700 LXI 9KW Configuration Measurements Current Range Accuracy Resolution Voltage Range Accuracy Resolution DSO Bandwidth Voltage and current waveform capture Accuracy Channels Digitizing rate Memory Resolution Triggering DSO Range is the same as Current or Voltage being measured CR Range Not less than 14 milliohms to180A 0 to 1800A 0 12 of reading 0 06 of range 0 0015 of range 0 to 6 6V 0 to 66V to 166V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range 1 or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In CR Accuracy Set 15 to 500 of range 2 accuracy Set 500 to 300096 of range 10 accuracy 24 of 103 4700 LXI DC LOAD USER MANUAL 3 25 4700 LXI 12KW Configuration Programmable Features Constant Current Range Accuracy Resolution Constant Voltage Accuracy Resolution Constant Power Range Limited to 12KW Accuracy Resolution Constant Resistance Range Accuracy Short Circuit Ra
27. to enable and disable the use of the external current control input Applying a LOW and then a HIGH will enable the external current control input LOW 0 to 1 5 DISABLE external current control input HIGH 3 5 to 5 0V ENABLE external current control input NOTE This signal 1s referenced to chassis 4 7 Analog Inputs and Outputs 4 7 1 I CTRL Connector When External Current Control Enable is ENABLED the Constant Current 2 setpoint 1s set proportional to the voltage on this input There are five programmable setpoints for the 4700 LXI load Constant Current 1 Constant Power Constant Voltage Constant Resistance and Constant Current 42 None one some or all may be enabled at any one time The first four modes mentioned are controlled by the computer interface port Constant Current 2 1s controlled by the External Current Control Enable input and the Ext Current Control Voltage Input Of ALL the enabled modes the one that 15 most restrictive to current flow will prevail 0V 10 100 A of current range Accuracy is 15 repeatability is 1 NOTE The voltage must be common with the load input negative bus bar 4 7 2 I RANGE HI LOW Switch This selects the current range when External Current Control Enable is ENABLED This switch has NO effect when the load has been under the control of the PC 4 7 3 I MON Connector This output voltage 15 a voltage proportional to the amount of current through the load
28. to make voltage measurements w 67 of 103 4700 LXI DC LOAD USER MANUAL CAUTION if using the load with external sense selected but NOT hooked up right there may be voltage present even when reading zero volts OV Relay The overvoltage relay on the load board will be closed connecting any source connected as the overvoltage source to be put in parallel with the load Trig on Change The load will generate a trigger on the trigger out connector whenever an operating mode setting 15 changed If the trigger out is wrapped back to trigger in it makes it easy to capture waveforms when a setting 15 changed 1 kW Mode When selected the 1 kW mode will restrict the operation of the load to a single Ik W power board Fast CV Response The fast CV response choice causes the load to respond more quickly to changes in voltage when operating in constant voltage mode This should be used with great caution as it may cause the load source combination to become unstable and begin to oscillate 5 8 3 Safety Page Monitor Control Scope Setup More Slew Operation Acquisition Scope Safety Minimum Voltage Maximum Current Value 0 000 Maximum Voltage Maximum Power Time The safety setup page allows you to set safety trip points In essence you are defining a programmable circuit breaker for current voltage and power You will define a value and a time for each characteristic Note if you set the time value to zero it w
29. 0 00R Settings MN NACE td Enabled operating mode Settings Field 5 5 1 Operating Modes The control tab 15 where the operating modes are selected and what value they are set to The 4700 family of loads can have any number of operating modes enabled at a time Simply touch the button next to the value for the operating mode you want to enable or disable When the button 1s lit that mode is enabled The mode 15 identified by the units associated with the setting Abbreviation Units Operating Mode V Voltage Constant Voltage CV A Amperes Constant Current CC W Watts Constant Power CP R Ohms Constant Resistance CR When multiple modes are enabled at one time the mode that will draw the LEAST current will be the controlling or active mode The active mode 15 always displayed in the control bar under the Mode label For example the display above indicates that the load 1s drawing about 100A on a supply that is outputting 5 8V The only mode button enabled is for CC mode so CC mode is active and shown in the control bar Notice that the load is dissipating 580W Now if we select the CP mode to be enabled with a setting of 300W we would expect that to become the active mode since it takes less current to draw 300W than 100A NOTE Use the Setup page to program the desired slew rate that applies when the operating mode settings are changed 60 of 103 4700 LXI DC LOAD USER MANUAL Monitor Control Scope
30. 00k Samples Second 256k Samples 0 0015 of range S6K Trigger In 33 of 103 4700 LXI DC LOAD USER MANUAL 3 42 4760 LXI 6KW Programmable Features Constant Current Constant Voltage Constant Power Limited to 6K W Constant Resistance Short Circuit Loop Response Over shoot 10 max with less than 1 Vp p ripple Transient Mode Only one mode CC CR CP or CV at a time may be programmed in a transient Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Range Resistance Current Range Max di dt Settings Total Period Delay Resolution Accuracy Modes Range Resolution Accuracy 3 43 4760 LXI 6KW Measurements DSO Voltage and current waveform capture DSO Range is the same as Current or Voltage being measured CR Accuracy Set 5096 to 100046 of range 2 accuracy Range Accuracy Resolution Range Accuracy Resolution Bandwidth Accuracy Channels Digitizing rate Memory Resolution Triggering Set 100096 to 600046 of range 10 accuracy 34 of 103 0 to 30A 0 to 300A 0 12 of set 0 08 of range 0 025 of range 1 to 20V 1 to 200V to 600V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 50 to 6000 of Voltage range divided by Current range 2 of set 30A 300A 0 330 max 0 033Q max 48 max 480 max 100 AOuSec to 20 Sec 20uSec to 20 Sec S
31. 03 4700 LXI DC LOAD USER MANUAL 333 4700 LXI 36KW Configuration Programmable Features Constant Current Range Accuracy Resolution Constant Voltage Accuracy Resolution Constant Power Range Limited to 36K W Accuracy Resolution Constant Resistance Range Accuracy Short Circuit Range Resistance Current Loop Response Range Over shoot 10 max with less Max didt than 1 Vp p ripple Transient Mode Settings Only one mode CC CR CP or Total Period CV at a time may be Delay programmed in a transient Resolution Accuracy Modes Slew Rate Range Resolution Accuracy 0 to 720A 0 to 7200A 0 12 of set 0 08 of range 0 025 of range 0 15 to 6 6V 0 15 to 20V 0 15 to 66V 0 15 to 120V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 15 to 3000 of Voltage range divided by Current range 2 of set 720A 7200A 1 39milliQ max 139uQ max 1188A max 11880A max 7200A 720A uS 100 AOuSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 36A Sec to 720A uSec lt SuSec 190 5uSec 3 34 4700 LXI 36KW Configuration Measurements Current Range Accuracy Resolution Voltage Range Accuracy Resolution DSO Bandwidth Voltage and current Accuracy waveform capture Channels Digitizing rate Memory Resolution Triggering 0 to 720A 0 to 7200A 0 12 of reading 0 06 of range 0 0015 of range 0 to
32. 23 3 22 4700 LXI 6KW CONFIGURATION MEASUREMENTS 23 325 4700 LXI 9KW CONFIGURATION PROGRAMMABLE FEATURES 24 3 24 4700 LXI 9KW CONFIGURATION MEASUREMENTS 24 w 5 of 103 4700 LXI DC LOAD USER MANUAL 3 25 4700 LXI 12KW CONFIGURATION PROGRAMMABLE FEATURES 25 3 26 4700 LXI 12KW CONFIGURATION MEASUREMENTS 25 3 277 4700 LXI 15KW CONFIGURATION PROGRAMMABLE FEATURES 26 3 28 4700 LXI 15KW CONFIGURATION MEASUREMENTS 26 3 20 4700 LXI 24KW CONFIGURATION PROGRAMMABLE FEATURES 27 3 30 4700 LXI 24KW CONFIGURATION MEASUREMENTS 3 3 4700 LXI 30KW CONFIGURATION PROGRAMMABLE FEATURES 28 3 32 4700 LXI 30KW CONFIGURATION MEASUREMENTS 28 3 33 4700 LXI 36KW CONFIGURATION PROGRAMMABLE FEATURES 29 3 34 4700 LXI 36KW CONFIGURATION MEASUREMENTS
33. 5A 80VDC 400W DC Source NH Model 6145 8A 450VDC 400W DC Source Ready emPower LE Cancel 9 Click File gt Save As 10 Type in a proper name for this configuration and click Save 11 Select this file as the default Configuration 12 Click OK to close the System Configurator 13 Verify that the PC is connected to the load and load is powered up and ready If there 15 more than one load in the system turn ON the power to the Auxiliary loads first and then turn ON the power to the Master If the load supplied with the front panel display Touch Panel then wait for the display to complete the boot process 14 Launch Port Configurator 15 Check the Online check box 100 of 103 4700 LXI DC LOAD USER MANUAL NHR Port Configuration Utility Diagnostics Help Port Configuration VO Address oe Offline Pass Percentage 0 Cancel 16 Click to close the Port Configurator 17 Launch the System Configurator 18 Click Autofill Setup NHR Configurator C NHR Support blank cfg File Autofill System Help Supported Hosts Current Configuration 19 Select and double click on EthernethHost Port NHR Configurator C NHR Support blank cfg Jog File Autofill System Help Supported Hosts Current Configuration BasicHost Port 20 With the load connected to the PC and powered click Autofill gt Search for Devices 21 Wait for the search process to complete you
34. 600V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 50 to 6000 of Voltage range divided by Current range 2 of set 45 450 0 2220 max 0 02220 max 72 max 720A max 100 40uSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 2 25 A Sec to 45A uSec lt SuSec 190 5uSec 0 to 45A 0 to 450A 0 12 of reading 0 06 of range 0 0015 of range 0 to 20V 0 to 200V 0 to 600V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In 35 of 103 4700 LXI DC LOAD USER MANUAL 3 46 4760 LXI I2KW Programmable Features Constant Current Constant Voltage Constant Power Limited to 12KW Constant Resistance Short Circuit Loop Response Over shoot 10 max with less than 1 Vp p ripple Transient Mode Only one mode CC CR CP or CV at a time may be programmed in a transient Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Range Resistance Current Range Max di dt Settings Total Period Delay Resolution Accuracy Modes Range Resolution Accuracy 3 47 4760 LXI 12KW Measurements DSO Voltage and current waveform capture DSO Range is the same as Current or Voltage being measured Range Accuracy Resolution Range
35. AJNCOUISITION AND SCOPE PAGES L ode R l Nu edad 69 V SPACE u umu 70 6 COMPUTER OPERATION u i u aa quqa yaa 71 6 1 CONTROL POWER SWITCH AND INDICATOR z a curent exelente Reden ver 71 02 ERRORINDICATOR u ties bebes A RM AU DUE ELE RD DM LM E TM 71 0 9 ONBIGUBATOR INTERFACE ian a naya m u Sus sasan mas na A uum CDM A EM asss 71 6 3 1 TOGGELING THE ONLINE OFFLINE MODE aU Mese 71 Od CONFIGURE HARDWARE L us am amma uy sasan asb DU LR D D EDD EE 71 6 4 1 ADDING INEWJDBVICEBS E RD DM LM EE CE DM UD SEE 73 D 7 7 of 103 4700 LXI DC LOAD USER MANUAL 6 4 2 AUTOPBIEL ONLINE MODE ONE Y rebduot cete e vae odes deae eve to eo dioe c toan er asua eoe ie aou ded Eee epe 73 6 4 3 LIPPATINGDI VICEPIRMWAREL LLL L uuu n gaa wa Bussa aos 73 OF aa bua ian uw 75 6 5 1 OPERATING MODES SECTION uy u uuu u usu ua basu mi sei D t P Rd Susa 76 6 5 2 MEASUREMENT SECTION S Tu usu o bed oe ecu Mi D
36. AWG SEE TABLE amp AWG BOLT 1 4 20 x 0 875 BRASS QTY 8 BOLT 1 4 20 x 0 625 BRASS QTY 8 BOLT 1 4 20 x 0 50 BRASS QTY 12 WASHER FLAT 1 4 BRASS QTY 16 WASHER LOCK SPLIT 1 4 BRASS QTY 28 BUS BAR 02 3344 QTY 2 BUS BAR SPACER 4 HOLE 02 3161 QTY 4 FIGURE 2 93 of 103 4700 LXI DC LOAD USER MANUAL THREE LOADS DESCRIPTION QTY WIRES WIRE AWG 9KW 4750 450A 6 2 18KW 4750 900A 10 2 9KW 4700 1800 12 2 O 18KW 4700 3600A 24 2 O 10160 40 2060 D E 20 950 60 LI n _ gt H LH OBLONG HOLES THIS END 70 OBLONG HOLES THIS END 70 OBLONG HOLES THIS END 70 10 20 30 40 50 60 70 80 94 of 103 P J UI 20 50 60 _ QD o o gt 1 9 C2 LUG 1 4 X 2 0 AWG BOLT 1 4 20 x 0 875 BRASS QTY 16 BOLT 1 4 20 x 0 625 BRASS QTY 8 BOLT 1 4 20 x 0 50 BRASS QTY 18 WASHER FLAT 1 4 BRASS QTY 24 WASHER LOCK SPLIT 1 4 BRASS 42 BUS BAR 02 3344 QTY 4 BUS BAR SPACER 4 HOLE 02 3161 QTY 6 FIGURE 3 10 60140 10 60140 SEE TABLE QTY amp AWG 4700 LXI DC LOAD USER MANUAL 10 20 30 40 50 60 70 80 FOUR LOADS DESCRIPTION QTY WIRES WIRE AWG 12KW 4750 600A 6 2 24KW 4750 1200A 12 2 12KW 4700 2400A 18 2 O 24KW 4700 4800A 30
37. Advanced Test Equipment Rentals www atecorp com 800 404 ATEC 2832 Established 1981 4700 LXI DC Load Family User Manual rae Part No 09 0299 REVISION K Jan 9 2014 4700 LXI DC LOAD USER MANUAL Rev X1 Rev A Rev B Rev C Rev D Rev E Rev F Rev G Rev H Rev J Rev K 2 of 103 Document History Preliminary Updated to include PowerTouch Add new safety limits ECO 163813 ECO 16880 ECO 16975 ECO 16983 ECO 16880 ECO 17074 ECO 17109 ECO 17183 9 10 09 3 12 10 1 20 11 6 27 11 3 08 12 5 04 12 5 21 12 8 17 12 1 8 13 3 29 13 1 09 14 C A R R W R W T C F B L T C F T C F K F K F B L S M 4700 LXI DC LOAD USER MANUAL Proprietary Rights Notice This document and the information that it contains are the property of NH Research Incorporated The rights to duplicate or otherwise copy this document the rights to disclose the document and its information to others and the right to use the information therein may be acquired only by written permission signed by a duly authorized officer of NH Research Incorporated Unauthorized duplication of software and documentation provided with the test workstations violates the copyright protection provided by law However backup copies of programs are permitted for archives and recovery from hardware failures The material in this publication is current as of the release date on the cover page and is subject to change without no
38. BWINDOWS C VI uay uy 91 APPENDIX A MULTILOAD CONNECTION amp WIRING 92 APPENDIX B HARDWARE CONFIGURATION 98 8 of 103 4700 LXI DC LOAD USER MANUAL 9 of 103 4700 LXI DC LOAD USER MANUAL 1 SAFETY 1 1 WARNING LIVE CIRCUITS NO INTERNAL ADJUSTMENT OR COMPONENT REPLACEMENT IS ALLOWED BY NON NH RESEARCH QUALIFIED PERSONNEL COMPLETE THE FOLLOWING BEFORE ACCESSING THE INSTRUMENT INTERNALS e REMOVE ALL EXTERNAL VOLTAGE SOURCES e DISCONNECT POWER CORD e WAIT A MINIMUM OF 1 MINUTE TO DISCHARGE CIRCUITS VERIFY CIRCUITS ARE DISCHARGED 10 of 103 4700 LXI DC LOAD USER MANUAL 2 DESCRIPTION The Model 4700 LXI electronic programmable DC load family Includes many different size and power configurations This document describes a single load configured with one Control circuit card and 1 to 36 Load Power circuit cards comprising a 1 to 36 KW load instrument An optional front panel touch screen controller is also available 2 1 Model Variation The 10 5 high chassis can hold a Controller circuit card and from one to six Load Power circuit cards each rated at IKW capacity The 5 25 high chassis can hold one Controller and up to two Load Power circuit cards Different models are available with ratings of I
39. C Load NH 5x5 50A 1 5 60VDC 250W Dynamic DC Load NH 5x5 504 1 5 80VDC 250W Dynamic DC Load NH 5x5 504 3 60VDC 250W Dynamic DC Load NH Model 4100 60A 450VDC 300W Dynamic DC Load FET NH Model 4110 60A 80VDC 300W Dynamic DC Load FET NH Model 4212 604 120 VDC 300W Dynamic DC Load NH Model 4212C 604 120 VDC 300W Dynamic DC Load NH Model 4212LED 604 120 VDC 300W Dynamic DC Load NH Model 4308 Dynamic DC Load NH Model 4350 Dynamic DC Load NH Model 4700 S6K 2 Dynamic DC Load NH Model 4700 Dynamic DC Load NH Model 4750 Dynamic DC Load NH Model 4760LXI Dynamic DC Load NH Model 4800 Linear Dynamic DC Load NH Model 4820 Linear Dynamic DC Load DC Sources Agilent 667xA GPIB DC Power Supply Argantix KDC Series DC Source Argantix XDS Series DC Source DC Source Measurement Helper Lambda EMI ESS Series Lambda Genesys Series DC Source NH Model 6010 60A 10VDC 400W DC Source NH Model 6060 16A 60VDC 400W DC Source NH Model 6080 124 80VDC 400W DC Source NH Model 6102 604 20VDC 400W DC Source NH Model 6104 30A 40VDC 400W DC Source NH Model 6108 15A 80VDC 400W DC Source NH Model 6145 8A 450VDC 400W DC Source NH Model 6400 3A 400VDC 400W DC Source Power Ten i Series DC Source Input Output L4300 Chassis Controller Measurement n HP 34970A Data Acquisition Switch Unit NH 505t Measurement System 5 Load NH 505t Turbo Measurement System 5 Load NH 525 Measurement System NH 535 Turbo Measurement System X The
40. Controls Current Loaded macro 0 steps Nbort Select the desired mode of operation CC CR CP or CV then proceed to Steps tab to create the Macro program Run Once use this button to run the Macro program only one time the Macro will execute the programmed steps from first step to last step then stop executing Run Continuous use this button to run the Macro in continuous mode the Macro will execute the programmed steps from the first step to last step then start over again to stop the Macro click on the Abort button Abort use this button to stop the Macro process Clear use this button to clear the loaded Macro Execution error message will be displayed on the bottom left corner of the display if the total number of steps and or maximum time has been exceeded use the Clr to clear this error message 65 of 103 4700 LXI DC LOAD USER MANUAL 5 7 2 Steps itor Control Scope Macro Setup ntrol More Add Ins I Use this screen to enter the steps value Start by entering the values for step 1 then click Add for the next step Maximum of 100 steps and maximum of 20 seconds of programming 15 allowed Set enter value for selected mode Slew enter the Slew rate Enter zero for the fastest response possible by the load refer to Configuration Programmable Features starting on section 2 15 for limits Dwell enter the dwell time refer to Configuration Programmable F
41. Delay Resolution Accuracy Modes Range Resolution Accuracy 3 39 4760 LXI 2KW Measurements DSO Voltage and current waveform capture DSO Range is the same as Current or Voltage being measured CR Accuracy Set 50 to 1000 of range 2 accuracy Range Accuracy Resolution Range Accuracy Resolution Bandwidth Accuracy Channels Digitizing rate Memory Resolution Triggering Set 100096 to 6000 of range 10 accuracy 32 of 103 to 10A 0 to 100A 0 12 of set 0 08 of range 0 025 of range 1 to 20V 1 to 200V to 600V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 50 to 6000 of Voltage range divided by Current range 2 of set 10A 100A 19 max 0 102 max 16A max 160A max 100 AOuSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 0 5A Sec to IOA uSec 5uSec 190 5uSec 0 to 10A 0 to 100A 0 12 of reading 0 06 of range 0 0015 of range 0 to 20V 0 to 200V 0 to 600V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In 4700 LXI DC LOAD USER MANUAL 3 40 4760 LXI 3KW Programmable Features Constant Current Range Accuracy Resolution Constant Voltage Range Accuracy Resolution Constant Power Range Limited to 3KW Accuracy Resolution C
42. KW through 6KW in a single Master chassis Chassis with no Controller circuit card Auxiliary chassis are also available Up to six chassis may be hardware paralleled using external control cabling to construct a single 36KW load instrument In this configuration there is one Controller circuit card in the Master chassis and five Auxiliary chassis with no Controller circuit cards A single load configured in this way appears to the software and the source under test as a single load Transitions in load current are as tightly synchronized as possible across multiple Load Power circuit cards with hardware paralleling To allow increased flexibility for the user Master Load instruments either in single or multiple chassis can be software paralleled under program control This capability allows 1s a more dynamic configuration as the user s requirements change Multiple Master loads are software paralleled using SYNC and WF SYNC signals to insure multiple Controller circuit cards execute commands simultaneously 2 2 4700 LXI Load Family Common Features Programmable Modes Auto CC CR CV and CP OVPS relay slew rate transient mode Voltage and current Protection Over voltage current power temperature reverse voltage Parallel able Multiple chassis may be paralleled in hardware for higher power and or lower resistance 11 of 103 4700 LXI DC LOAD USER MANUAL 2 3 4700 LXI Load IKW Features 1000W continuous 200A 1V
43. Load NH 5x5 50A 3 60VDC 250W Dynamic DC Load NH Model 4100 60A 450VDC 300W Dynamic DC Load FET NH Model 4110 60A 80VDC 300W Dynamic DC Load FET NH Model 4212 60A 120VDC 300W Dynamic DC Load NH Model 4212C 604 120VDC 300W Dynamic DC Load NH Model 4212LED 604 120 VDC 300W Dynamic DC Load NH Model 4308 Dynamic DC Load Dump Configuration Update Firmware Cancel If the menu item Update Firmware 1s enabled then the hardware device you right clicked can have its firmware updated 1f the menu item Update Firmware is disabled then hardware device cannot have its firmware updated Select Update Firmware w 73 of 103 4700 LXI DC LOAD USER MANUAL NHR Configurator About to update firmware of DC Load 1 NH Model 4700LXI WO 1200A 120VDC 6000W Dynamic DC Load Notice This device is one of 3 logical devices of a single physical device This action will cause the following devices to be updated DC Load1 Din Measurement1 Dout Digital 1 Are you sure Click the Yes button This will take you into a dialog that shows the current firmware version for both DSP firmware and Network Micro firmware NB Select the appropriate tab then click Update Firmware then navigate and select the appropriate file for the update DSP firmware uses the hex file type and Network Micro firmware uses s19 file type Once downloading is begun do not interrupt the process u DC Load 1 Fi
44. Supported Devices frame contains list of all NHR supported hardware drivers installed on your PC This may only list a single device type like the NHR 4700 LXI DC Load or it may include other NHR supported hardware The Current Configuration frame shows the list of implemented device drivers in the Current Configuration file This configuration file can be customized to meet your requirements You will notice that the hardware devices listed In the Current Configuration frame are listed by logical names such as DC Load 1 with their more descriptive name in parentheses following it The logical names are how you will refer to this specific piece of hardware from this point on Please see Appendix B for a more detailed step by step procedure 72 of 103 4700 LXI DC LOAD USER MANUAL 6 4 1 Adding New Devices If you hook up additional NHR supported hardware to the system like a second load the use of the Search for Devices option in the Autofill menu of NHR Configurator 1s the recommended method for adding new hardware device drivers to the Configuration file 6 4 2 Autofill Online mode only The Search for Devices option ONLY works NHR hardware devices only when in Online mode Using this method Configurator does most of the work for you it autofills much of the setup information that the software would otherwise ask you to supply It does this because the configurator can find and ask the NHR hardware devices ab
45. System Configurator Start gt ALL Programs gt NH Research gt System Configurator 6 Click File gt New File Autofill System Help Supported Devices Current Configuration AC Loads AC Load Measurement Helper NH Model 4600 244 350VAC 2400W Dynamic AC Load NH Model 4600 304 350VAC 3000W Dynamic AC Load NH Model 4600 Auxiliary 304 350VAC 3000V Dynamic AC Load AC Sources AC Source Measurement Helper NH Model 5400 54 350VAC 600VA 400W 1p AC Source T AC DC Sources AC DC Source Measurement Helper NH Model 5100 224 320VAC 4500VA 1p or SOA 400VDC 3000W PWM AC DC Source NH Model 5100 254 280VAC 4500V A 1p or 504 400 VDC 3000W PWM AC DC Source NH Model 5100 25A 350VAC 4500VA 1p or 504 400 VDC 3000W PWM AC DC Source NH Model 5427 AC DC Source Communication Bridges NH Ethernet to S6K Serial Translator DC Loads DC Load Measurement Helper NH Model 4100 604 450VDC 300W Dynamic DC Load FET NH Model 4110 60A 80VDC 300W Dynamic DC Load FET NH Model 4212 604 120VDC 300W Dynamic DC Load NH Model 4212C 604 120VDC 300W Dynamic DC Load 4700 S6K 2 Dynamic DC Load 4750 Dynamic DC Load NH Model 4760LXI Dynamic DC Load NH Model 4800 Linear Dynamic DC Load NH Model 4820 Linear Dynamic DC Load DC Sources DC Source Measurement Helper NH Model 6010 60A 10VDC 400W DC Source NH Model 6060 164 60VDC 400W DC Source NH Model 6080 124 80VDC 400W DC Source NH Model 6102 60A 20VDC 400W DC Source NH Model 6104 30A 40VDC 400W DC Source NH Model 6108 1
46. about 3 s 65 of time value If the load draws 15A 150 of trip value it will trip off in about 5 s 10096 of time value If the load draws 12A 120 of trip value it will trip off in about 9 s 18096 of time value 88 of 103 4700 LXI DC LOAD USER MANUAL To set the load to default to the programmed safety limits use the Save Safety Settings as Default button in the Save Recall Settings section 6 5 7 Digital Output Section Digital Outputs 1 2 3 Li a a 7 B B8 1 TW 102 A 31 18 Many NHR load models provide general purpose Digital Outputs useful for fixture control The state of the digital output matches that of the corresponding toggle switch To set the digital high simply move the switch to its up position as shown in 2 above move the switch to its down position for a digital low 6 5 8 Save Recall Settings Section Note depending on your monitor resolution this section may be part of the Operations pop up dialog Stored States each entry stores all loads New Recall Delete State 1 Save As a convenience all load settings can be saved to hard disk for later recall You can save as many different states as you have room on your hard drive for all intents and purposes unlimited All load settings are saved including the transient program Each state stores the settings for all loads being controlled by the softpanel one state saves all To save the current settings
47. an 10 5 milliohms CR Accuracy Set 15 to 500 of range 2 accuracy Set 500 to 300096 of range 10 accuracy 1 4 25 of 103 4700 LXI DC LOAD USER MANUAL 3 27 4700 LXI ISKW Configuration Programmable Features Constant Current Constant Voltage Constant Power Limited to ISKW Constant Resistance Short Circuit Loop Response Over shoot 10 max with less than 1 Vp p ripple Transient Mode Only one mode CC CR CP or CV at a time may be programmed in a transient Range Accuracy Resolution Accuracy Resolution Range Accuracy Resolution Range Accuracy Range Resistance Current Range Max di dt Settings Total Period Delay Resolution Accuracy Modes Range Resolution Accuracy 0 to 360A 0 to 3600A 0 12 of set 0 08 of range 0 025 of range 0 15 to 6 6V 0 15 to 20V 0 15 to 66V 0 15 to 120V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 15 to 3000 of Voltage range divided by Current range 2 of set 360A 3600A 2 78milliQ max 278uQ max 600A max 6000A max 3600A 360A uS 100 40pu Sec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 18A Sec to 360A uSec lt SuSec 190 5uSec 3 28 4700 LXI 18KW Configuration Measurements Current Range Accuracy Resolution Voltage Range Accuracy Resolution DSO Bandwidth Voltage and current waveform capture Ac
48. attempt to draw a constant current proportional to the voltage on the External Current Control Voltage w 77 of 103 4700 LXI DC LOAD USER MANUAL input When the input is at zero volts the load will be set to zero amps 10 volts equals a current draw of 100 of the current range Short circuit mode 1s higher priority than the other modes If it 1s enabled the load will go into short circuit mode regardless of the other modes that are enabled Because of this activating the short circuit mode requires two actions First arm the mode by checking the Short Circuit Enable checkbox Second click the button to the left of the enable the one with the red LED The short will be applied for as long as the button remains down Click the button again to release the short circuit mode The slew rate for each mode can be set and applies only when a programmed value 15 changed For example assuming a 12V 100A UUT 1 The load is set in CR mode at lohm with a lohm s slew rate the load will be drawing 12A 2 Setthe load to 2ohms The load will decrease the current from 12A to 6A linearly over a period of one second When the slew rate 1s set to zero the load will transition to the new state as fast as possible NOTE Slew rates do NOT apply when the load 1s reacting to a change in the UUT 6 5 2 Measurement Section If enabled the load will make measurements over a period defined by the aperture To reduce the effect of noi
49. ax 240A max 1500 0 006670 max 2400A max 100 40uSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 7 5 A Sec to 150A uSec lt SuSec 190 5uSec Oto 150 0 to 1500A 0 12 of reading 0 06 of range 0 0015 of range 0 to 20V 0 to 200V 0 to 600V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In 39 of 103 4700 LXI DC LOAD USER MANUAL 3 54 4760 LXI 36KW Programmable Features Constant Current Constant Voltage Constant Power Limited to 36KW Constant Resistance Short Circuit Loop Response Over shoot 10 max with less than I Vp p ripple Transient Mode Only one mode CC CR CP or CV at a time may be programmed in a transient Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Range Resistance Current Range Max di dt Settings Total Period Delay Resolution Accuracy Modes Range Resolution Accuracy 3 55 4760 LXI 36KW Measurements DSO Voltage and current waveform capture DSO Range is the same as Current or Voltage being measured Range Accuracy Resolution Range Accuracy Resolution Bandwidth Accuracy Channels Digitizing rate Memory Resolution Triggering CR Accuracy Set 50 to 1000 of range 2 accuracy Set 100096 to 6000 of range 10 acc
50. curacy Channels Digitizing rate Memory Resolution Triggering DSO Range is the same as Current or Voltage being measured CR Range Not less than 7 milliohms 0 to 360A 0 to 3600A 0 12 of reading 0 06 of range 0 0015 of range 0 to 6 6V 0 to 66V to 166V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In CR Accuracy Set 15 to 500 of range 2 accuracy Set 500 to 300096 of range 10 accuracy 26 of 103 4700 LXI DC LOAD USER MANUAL 329 4700 LXI 24KW Configuration Programmable Features Constant Current Range Accuracy Resolution Constant Voltage Accuracy Resolution Constant Power Range Limited to 24KW Accuracy Resolution Constant Resistance Range Accuracy Short Circuit Range Resistance Current Loop Response Range Over shoot 10 max with less didt than 1 Vp p ripple Transient Mode Settings Only one mode CC CR CP or Total Period CV at a time may be Delay programmed in a transient Resolution Accuracy Modes Slew Rate Range Resolution Accuracy to 48A 0 to 4800A 0 12 of set 0 08 of range 0 025 of range 0 15 to 6 6V 0 15 to 20V 0 15 to 66V 0 15 to 120V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 15 to 3000 of Voltage range
51. curacy Modes Slew Rate Range Resolution Accuracy to 40A 0 to 400A 0 12 of set 0 08 of range 0 025 of range 0 15 to 6 6V 0 15 to 20V 0 15 to 66V 0 15 to 120V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 15 to 3000 of Voltage range divided by Current range 2 of set 40 400A 25milli max 2 5milli max 67A max 667A max 100 AOuSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 2A Sec to 40A uSec lt SuSec 1 5uSec 3 18 4700 LXI 2KW Configuration Measurements Current Range Accuracy Resolution Voltage Range Accuracy Resolution DSO Bandwidth Voltage and current Accuracy waveform capture Channels Digitizing rate Memory Resolution Triggering to 40A 0 to 400A 0 12 of reading 0 06 of range 0 0015 of range 0 to 6 6V 0 to 66V 0 to 166V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In DSO Range is the same as Current or Voltage being measured CR Range Not less than 63 milliohms CR Accuracy Set 15 to 50096 of range 296 accuracy Set 500 to 300096 of range 10 accuracy 1 4 21 103 4700 LXI DC LOAD USER MANUAL 3 19 4700 LXI 3KW Configuration Programmable Features Constant Current Constant Vo
52. de When enabled the load will increase the speed at which it adjusts the voltage level The fast loop response mode is more susceptible to oscillations 6 5 4 5 Generate Trigger on Current Resistance Voltage or Power Change When enabled a trigger pulse will be sent on the communications line whenever a current resistance voltage or power value 15 sent to the load Due to the design of the softpanel this will generate a continuous trigger pulse stream when enabled The use of this property is more practical when you are creating your own instrumentation software using the supplied instrument driver 6 5 4 5 4 Enable Low Power Mode This mode restricts the load hardware to use a single internal power board which 15 capable of a maximum of KW increasing the resolution and accuracy of the load in low power situations With this mode enabled the load can draw up to 20 amps in the low current range and 200 amps in the high current range The voltage capabilities remain unaffected 83 of 103 4700 LXI DC LOAD USER MANUAL 6 5 4 6 Oscilloscope To display the oscilloscope panel for the selected load press the Oscilloscope button When you do this panel 15 displayed Ld PowerScope DC Load 1 Aala Hun Stop Bead mae Force Trig Measure J Run Once Spectrum Current Curent e 100 A 7 div Voltage Vertical 100 A div nos Range DC Cpl Low Pass High Pass Hig
53. default Generate trigger on current resistance voltage or power change Enable low power mode limited to 1KW Cancel If an advanced property 15 disabled that feature 15 not available on the selected load hardware The unique advanced properties are listed below 6 5 4 5 1 Firmware Regulation Gain Regulation gain is used to control the rate at which the load attempts to regulate based on the loads measurements This value is the percent expressed as a decimal such that 1 00 100 0 15 15 etc change the load will allow in each measurement sample while attempting to correct an error between the set and measured value Setting this value higher will make faster corrections at the risk of oscillations For example if the regulation gain 15 set to 0 30 30 of the difference between set and measure will be done each sample Therefore the correction could look like this Programmed set 10A CC Sample 1 Internal set 2 10 000A measure 9 980A Sample 2 Internal set previous set 0 3 10 000 9 980 10 006 measure 9 986 Sample 3 Internal set previous set 0 3 10 000 9 986 10 010 measure 9 990A Sample 4 Internal set previous set 0 3 10 000 9 990 10 013 measure 9 993A EUN 82 of 103 4700 LXI DC LOAD USER MANUAL 6 5 4 5 2 Enable Fast Response Time Methods in CV Mode This property Controls the loop response rate of the load when constant voltage 1s the active mo
54. des are not available on the 47xx LXI loads These features will be disabled on the softpanel Please refer to the Specification section to determine the capabilities of your load model 79 of 103 4700 LXI DC LOAD USER MANUAL 6 5 4 1 Reset Pressing reset will reset the selected load and set all settings back to default After reset the load wlll be off 6 5 4 2 Reset All This button will reset all modules in the panel to their default settings 6 5 4 3 Capabilities Pressing device information will display a dialog that allows you to see the minimum and maximum settings for all values for any range you choose 80 of 103 4700 LXI DC LOAD USER MANUAL pz NHR DC Load Information DC Load 1 Manufacturer Information Voltage Range 6 6 V Voltage Range 20 0 V Voltage Range 66 0 V Voltage Range 120 0 V Current Range 120 0 Minimum Current 0 000 Maximum Current 120 000 Minimum Current Slew Rate 6 000 uA L5 Maximum Current Slew Rate 12 000 5 Minimum Voltage 0 000 V Maximum Voltage 120 000 V Minimum Voltage Slew Rate 6 000 uVv us Maximum Voltage Slew Rate 12 000 15 Minimum Resistance 150 000 mOhms Maximum Resistance 30 000 Ohms Minimum Resistance Slew Rate 1 500 uOhms us Maximum Resistance Slew Rate 3 000 Ohms us Minimum Power 0 000 W Maximum Power 6 000 KW Minimum Power Slew Rate 300 000 uW uS Maximum Power Slew Rate 600 000 W u5 Minimum Pulse Width
55. divided by Current range 2 of set 480A 4800A 2 08milli 2 max 208uQ max 792A max 7920A max 4800A 480A uS 100 AOuSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 24A Sec to 480A uSec lt SuSec 190 5uSec 3 30 4700 LXI 24KW Configuration Measurements Current Range Accuracy Resolution Voltage Range Accuracy Resolution DSO Bandwidth Voltage and current Accuracy waveform capture Channels Digitizing rate Memory Resolution Triggering 0 to 480A to 4800A 0 12 of reading 0 06 of range 0 0015 of range 0 to 6 6V 0 to 66V 0 to 166V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In DSO Range is the same as Current or Voltage being measured CR Range Not less than 5 25 milliohms CR Accuracy Set 15 to 50096 of range 296 accuracy Set 500 to 300096 of range 10 accuracy 1 4 27 of 103 4700 LXI DC LOAD USER MANUAL 331 4700 LXI 30KW Configuration Programmable Features Constant Current Constant Voltage Constant Power Limited to 30KW Constant Resistance Short Circuit Loop Response Over shoot 10 max with less than 1 Vp p ripple Transient Mode Only one mode CC CR CP or CV at a time may be programmed in a transient Range Accuracy Resolution Accuracy Resolution Range Accuracy
56. e page 5 8 4 Acquisition and Scope Pages See sections 5 6 1 1 Acquisition Setup and 5 6 1 2 Scope Setup for information 69 of 103 4700 LXI DC LOAD USER MANUAL 5 9 More Page Monitor Control Scope Setup More Save waveform on the Save safety limits as Save WF card Save Safety default Reset the hardware Reset and perform Selftest selftest Information about this Quit the application application 70 of 103 4700 LXI DC LOAD USER MANUAL 6 COMPUTER OPERATION 6 1 Control Power Switch and Indicator This switch indicator 15 located on the front panel When ON this switch indicator will light indicating fan control power 15 applied and the CPU Is operating 6 2 Error Indicator The error indicator is located on the front panel and indicates either a fuse has blown or the load has detected an over temperature condition 6 3 Port Configurator Interface The NHR Port Configuration Utility can be started from the start menu in the NH Research program group In the NHR Port Configuration Utility you describe to the software the communication ports for communicating with hardware devices wes NHR Port Configuration Utility Diagnostics Help The I O address range dropdown The selected communications port Port Configuration COM1 VO Address Ethernet Serial USB RS232 checkbox Online Offline Pass Percentage o The Offline Pass Percentage fi
57. e Resistance Current Range Max di dt Settings Total Period Delay Resolution Accuracy Modes Range Resolution Accuracy 3 49 4760 LXI 18SKW Measurements DSO Voltage and current waveform capture DSO Range is the same as Current or Voltage being measured Range Accuracy Resolution Range Accuracy Resolution Bandwidth Accuracy Channels Digitizing rate Memory Resolution Triggering CR Accuracy Set 50 to 1000 of range 2 accuracy Set 100096 to 6000 of range 10 accuracy to 90A 0 to 900A 0 12 of set 0 08 of range 0 025 of range 1 to 20V 1 to 200V 1 to 600V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 50 to 6000 of Voltage range divided by Current range 2 of set 90A 0 11102 max 144A max 900A 0 01110 max 1440A max 100 40uSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 4 5 A Sec to 90A uSec lt SuSec 190 5uSec to 90A 0 to 900A 0 12 of reading 0 06 of range 0 0015 of range 0 to 20V 0 to 200V 0 to 600V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In 37 of 103 4700 LXI DC LOAD USER MANUAL 3 50 4760 LXI 24KW Programmable Features Constant Current Constant Voltage Constant Power Limited to 24K W
58. eatures starting on section 2 15 for limits Add will add the new values to the program Ins add a new step between steps Del delete the selected step 5 7 5 More ER Monitor Control Scope Macro Setup More More Steps Save macro data on the SD card in Load Load macro data from the SD card 66 of 103 4700 LXI DC LOAD USER MANUAL Use this screen to save the newly created program on to a USB Flash device and or recall a previously saved program from a USB Flash device USB port is provided on the lower left corner of the load s front pannel 5 8 Setup Pages 5 8 1 Slew Page Monitor Control Scope Setup More onoff Slew Operation Acquisition Scope Slew is in 0 0000 0 10008 units us 0 00 0 000 EN Program the desired slew rate for each operating mode Slew rates control how fast the load changes from one setting to a new setting They do NOT affect the response rate of the load to varying voltage conditions 5 8 2 Operation Page Monitor Control Scope Setup More Slew Operation Acquisition Scope Ranaes 600V 180A B er External Sense Relay Trig on Change 1 KW Mode Fast CV Response Ranges Choose the voltage and current ranges When a range is changed the load will turn off and go to a reset state External Sense External sense when selected directs the load to use the sense connector
59. eio to pado 52 4 4 5 PARALI ELED CONNECTION AND WIRING uu za p hee ee sie eee 53 A SOETIWARBE PARALEEELDEBD SYSTEM uu y u au ul No eS m paq 53 4 5 1 S YINCINZOUDTPCONNECTORS uuu u y A 53 T5 uu l uuu unu aus 54 4 6 1 TRIGGER IN OUT CONNECTORS u uy n un u u aS Rua uu ana aT er dug UNE Ede Eoo 54 4 6 2 DIN CONNECTOR RETE T dus UE NEUEM 54 4 6 3 DOUT CONNECTOR erora 54 4 6 4 ENABLECONNECTOD c UN rictu sag sane ine ma t aO Mee ARUM En Pi top DUE 55 Avy GANAEOGINPUIS AND OUTPUTS uu k u dE PUn RO de 55 4 7 1 POT RIGCONNECTOR luu mans 55 4 712 IS ANGEJLUZEOW SWEIGH L L L m enu he Mee is s u id EM aa 55 4 7 3 ENIONCONNEGCTOR uuu eh as Ma DL 55 T8 SOPEIWAPRETINSTALIATION SS S au a Qua up S DELIS 56 4 6 1 SOFTWARE INSTALLATION FROM DV uu as 56 5 POWERTOU CH OPERATION uu m Sua i 57 51 CONTROL POWER SWITCH AND INDICATQOR a ese ese see tese sese eene 57 52 ERROR MNA CAO bod L u uu Ue ome anam Tauka yana d ven A eorr 57 2 32 OPERATION u
60. eld 6 3 1 Toggling the Online Offline mode With this checkbox unchecked the software will run the Offline mode and will not attempt to interact with any hardware devices When the software 15 installed its default mode 15 Online Check or uncheck the online checkbox as you require NOTE The Offline Pass Percentage field has no effect on stand alone instruments 6 4 Configure Hardware The NHR System Configurator can be started from the start menu In the NH Research program group 71 of 103 4700 LXI DC LOAD USER MANUAL NHR System Configurator 15 a dialog that allows you to modify your hardware configuration The NHR Configurator has two frames the Supported Devices frame and the Current Configuration frame NHR Configurator CANHR Support 4700LXLcfg File Autofill System Help o Supported Devices Current Configuration EthernetHost DC Loads DC Load Measurement Helper Digital NH 5 5 100A71 5 60VDC 500W Dynamic DC Load Dout Digital 1 NH Model 4700LXI 12004 120VDC 6000W Dynamic DC Load NH 5x5 1004 1 5 80VDC 500W Dynamic DC Load Load NH 5x5 1004 3 650VDC 500W Dynamic DC Load DC Load 1 NH Model 4700LXI 12004 120VDC 6000W Dynamic DC Load 5x5 12 5A 1 5 60VDC 75W Dynamic DC Load Measurement NH 5x5 12 5A 1 5 80VDC 75W Dynamic DC Load Din Measurement 1 NH Model 4700LXI 12004 120VDC 6000W Dynamic DC Load NH 5x5 12 5A 3 60VDC 75W Dynamic D
61. ent when the Force Trig button is pressed 5 6 3 Using the Scope Page When the Scope page 15 displayed the waveform capture button will be labeled either Run Once or Run Cont depending on the setup choice for Run Continuous Touch to change selected cursor Vevelerm 1 Y Axis and to change info Waveform 2 Y Axis Monitor Control Svope Setup More 5 Touch On Off Cursor 100 00 8 99 993A 5 7927 Zoom In to set cursor Move Center Cursor Move Down EM Zoom Out 1500 00 5 Tol Fra TE r3 o T Fit View Previous Zoom Move Max Move Page Move Centerat Move Move Page Move Max Zoom View Out Left Left Left Cursor Right Right Right In Once a waveform has been captured it is displayed on the Scope page Use the controls next to the axis you want to manipulate to zoom or move Zooming 1s always centered on the primary solid cursor in the time axis and the value under the cursor in the Y axis rennet 64 of 103 4700 LXI DC LOAD USER MANUAL Touching anywhere within the waveform area will place a cursor The cursor placed is always the selected solid line cursor Touch again and the selected cursor will move to the new position Touching the cursor information bar will cycle between cursors off cursor 15 selected cursor 2 15 selected paired cursors 5 7 Macro Pages 5 7 1 Control tor Control Scope Macro Setup More o Steps More Macro
62. ers the highest performance and will be used if using NH software or programming through the NH drivers The second command set is a SCPI command set for ease of use from any programming language or any communication terminal The SCPI commands are ONLY available through the LAN port see the SCPI programmer s manual 09 0304 Control Interface Options 17 of 103 4700 LXI DC LOAD USER MANUAL 100BaseT Ethernet direct to PC using network Cross over cable or using network switch and standard network patch cable NH S6000 RS485 Master Slave bus protocol COMM IN and COMM OUT connectors Hardware Paralleling Standard 25 pin DSUB one to one cables with proprietary bus 3 5 Program Control An driver is used to control this load in a system 3 6 Robustness Over voltage and reverse voltage protection 1s provided in hardware by the avalanche rated body diode in the power MOSFETs Over voltage protection is also provided by constant voltage programming which will be current limited Excessive over voltage or reverse voltage will cause fuses to blow Over current and over power protection is provided In hardware Over current and over power protection 15 also provided in firmware by constant current and constant power programming Over temperature protection 1s provided by thermal sensors If an individual FET shorts two fuses will blow disconnecting two FETs but the remaining FETs on that Load Power circuit ca
63. et Port Communication The Ethernet port option provides a 100BaseT LAN connection As with any Ethernet network device there are a variety of ways to connect to a Windows PC and a variety of ways to assign an Ethernet address IP address to the device To connect the Load directly to a Windows PC an Ethernet crossover cable will be required Belkin Part Number A3X126 14 YLW M or equivalent If the Load 15 connected to a network switch or router that 1s connected to the Windows a standard 100 network patch cable can be used 4 3 1 NETWORK IN OUT Connectors Standard Ethernet 100BaseT RJ45 8 pin connector Matng cable type 15 NH Part Commercial Part 8364363 Ethernet Network A3X126 14 YLW M BELKIN Cross over Cable Ethernet Network A3L791 14 BELKIN Standard Patch Cable 4 3 2 IP Addressing The Load can obtain an Ethernet IP address in two ways It will be assigned an address dynamically using Ethernet DHCP protocol if there is a router or other DHCP server in the connection network or it will auto assign itself an address after 30 seconds The Load will only request a dynamic address on power up plugging and un plugging the Ethernet cable has no effect If the Load auto assigns an address it will be in the domain 192 168 000 nnn with subnet mask 255 255 255 000 The nnn value will be the modulo 256 sum of the lower three bytes of the device MAC value The MAC value is a factory assigned six byte value
64. g 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In 4700 LXI DC LOAD USER MANUAL 3 52 4760 LXI 30KW Programmable Features Constant Current Constant Voltage Constant Power Limited to 30KW Constant Resistance Short Circuit Loop Response Over shoot 10 max with less than 1 Vp p ripple Transient Mode Only one mode CC CR CP or CV at a time may be programmed in a transient Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Range Resistance Current Range Max di dt Settings Total Period Delay Resolution Accuracy Modes Range Resolution Accuracy 3 53 4760 LXI 30KW Measurements DSO Voltage and current waveform capture DSO Range is the same as Current or Voltage being measured Range Accuracy Resolution Range Accuracy Resolution Bandwidth Accuracy Channels Digitizing rate Memory Resolution Triggering CR Accuracy Set 50 to 1000 of range 2 accuracy Set 1000 to 6000 of range 10 accuracy to 150A 0 to 1500 0 12 of set 0 08 of range 0 025 of range 1 to 20V 1 to 200V 1 to 600V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 50 to 6000 of Voltage range divided by Current range 2 of set 150A 0 066702 m
65. h 500hm Position 2 0 Scale 1 000 Units j Fast 200 us fen LS Acq Setup zoom wl Trigger House Controls Source System Trige Auto oom Position 0 0005 zm Coupling fT j toes Cursor 2 Level 0000 J Slope Rade Clear Cursors Close Operation of the oscilloscope panel is similar to a traditional scope It is however limited to the capabilities of the load hardware 6 5 5 Macro Transient Operation Section Macro Operation Load Store Run Macro Program Waiting for trigger Macro programs are sequences of load settings which can be played back to create a sophisticated pattern with precise timing For example if you want to create a 0 to 1000A pulse 250uS wide then ImS later a 0 to 200A pulse 500mS wide you would press the Edit button and create a sequence like this 84 of 103 4700 LXI DC LOAD USER MANUAL DC Load 1 Advanced Properties K KKP U EI EIIIII I IxIZI amp YO O z z II I II II I lt I I IIe IWI lt IOIYI IIWKW ILI IIIII I1 lTCI OI IIIVIOIISIOIIII G CGC I 9 Macro Programming Enable Macro Mode Continuously Macro Function Set Current Set Pulse Width Set Set Pulse Width Set Current Set Pulse Width Set Current Set Pulse Width Set Current Cancel If you want the sequence to repeat continuously check the Run Continuously checkbox and it will c
66. ill act as an instantaneous fuse That is it will trip off the instant it sees a value that exceeds the programmed setting This often leads to false trips due to high frequency noise spikes It is usually better to set a small non zero time to avoid false trips but still provide fast trip response The safety trip algorithm mimics the behavior of a circuit breaker Like a circuit breaker the algorithm will not be affected by noise and the trip point delay will vary with the 68 of 103 4700 LXI DC LOAD USER MANUAL amount of overload That is the higher the overload the faster the trip The parameters that can be set are the trip value and the time value Here is the approximate trip point curve of the algorithm Trip Point 1000 0 100 0 Trip Point Time of Delay 100 100 200 300 400 500 600 700 800 900 1000 Value of Trip Value For example for a 10 maximum current safety trip point and a time value of 5 seconds If the load draws 20A 200 of trip value it will trip off in about 3 s 65 of time value If the load draws 15A 150 of trip value it will trip off in about 5 s 10096 of time value If the load draws 12A 120 of trip value it will trip off in about 9 s 18096 of time value To set the load to default to the programmed safety limits use the Save Safety button on the Mor
67. ion section to determine the capabilities of your load model This 15 the section used to control the principal operating characteristics of the load This load supports any number of modes enabled at a time To enable a mode press the corresponding switch If all the switches are off the load is off high impedance In the sample above Constant Current mode is enabled The measurement section of each load contains information indicating which modes are enabled for the load and which of the enabled modes 15 the active one The text near the left hand measurement active LED indicates which modes are enabled CC for constant current CR for constant resistance etc On the right hand of the title bar the active mode is indicated note not all load models support the reporting of the active mode mmn s 71 266 ah 0 364 A A The active mode is the mode that is the most restrictive of the current being drawn It is dynamic and will change based on the conditions present For example suppose you have a 12V 100A source hooked up to the load The following table shows a few examples of how the various modes would interact Enabled Modes Active UUT Volts UUT Amps Mode erat D S at lohm CC at 50A CR at lohm CP at 100W CC at 50A CR at lohm CP at 1000W CV at 10V CC at 50A CP at 1000W CV at 10V CP at 1000W CP 12 83 33 CV at 10V CV at 10V When the External Current Modulation Mode 1s enabled the load will
68. ional from 115 230V AC 10 non destructive 25 47 63Hz switch selectable Operation from 100 200 215 V AC 10 non destructive 25 47 63Hz is selectable with internal jumper options consult the factory 47XX 1 IKw Load input power 100watts 47XX 2 2Kw Load input power 120watts 47XX 3 3Kw Load input power 200watts 47XX 6 6Kw Load input power 260watts 3 14 Macros When executing a macro CC and CV set accuracy 15 reduced to 0 596 of set 0 5 of range 19 of 103 4700 LXI DC LOAD USER MANUAL 3 15 4700 LXI IKW Configuration Programmable Features Constant Current Constant Voltage Constant Power Limited to 1KW Constant Resistance Short Circuit Loop Response Over shoot 10 max with less than 1 Vp p ripple Transient Mode Only one mode CC CR CP or CV at a time may be programmed in a transient Range Accuracy Resolution Accuracy Resolution Range Accuracy Resolution Range Accuracy Range Resistance Current Range Max di dt Settings Total Period Delay Resolution Accuracy Modes Range Resolution Accuracy to 20A 0 to 200A 0 12 of set 0 08 of range 0 025 of range 0 15 to 6 6V 0 15 to 20V 0 15 to 66V 0 15 to 120V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 15 to 3000 of Voltage range divided by Current range 2 of set 20A 200A 50milliQ max 5 max
69. ircuit cards are designated Master Loads Chassis with no Controller cards are designated Auxiliary Loads A Master Load chassis can connect to up to six Auxiliary Load chassis to form a single hardware paralleled instrument External cabling 1s required between chassis to implement hardware paralleling Multiple Master Load chassis can be software paralleled to form a single load instrument Load commands are sent using a group address scheme over the communication bus This scheme allows the user more flexibility to change configurations External sync signals are required between chassis to implement software paralleling The 10 5 chassis can contain a Controller circuit card and from one to six Load Power circuit cards each capable of IKW loading The 5 25 chassis can contain a Controller circuit card and one or two Load Power circuit cards each capable of IKW loading 3 2 Sizes 10 5 inch chassis 19 inches wide 10 5 inches high 22 inches deep 5 25 inch chassis 19 inches wide 5 25 inches high 22 inches deep 3 3 Weight 10 5 inch chassis with 6 IKW Load Power boards 100 108 10 5 inch chassis with 3 IKW Load Power boards 75 lbs 5 25 inch chassis with 2 IKW Load Power boards 60 lbs 5 25 inch chassis with IKW Load Power board 50 Ibs 3 4 Communication Two command sets can be used to control the load NH software uses a proprietary command set which conforms to the NH 56000 instrument command protocol This command set off
70. it binary address The LSB SW1 ADDR 0 is on top near the DOUT connector The MSB SW6 ADDR 5 is on the bottom When a switch bit 15 moved toward the outside of the chassis the bit is set to 0 When a switch bit is moved toward the fan the bit is set to 1 This switch is only read once at power up If this switch is changed the load must be turned off and on again for the new switch setting to take effect Examples ADDRESS SWITCH COMMUNICATION POSITION ADDRESS m 0X00 0X01 m m a 0X02 a 0X03 m 4 2 20 Baud Rate Switch baud rate of 19 2k or 38 4k may be selected when the COMM IN OUT is set In most cases 38 4 factory default will be used If you want to change the desired baud rate select Switch 10 on the Rear Panel between the DOUT and SYNC connectors Setting 0 selects 19 2k baud and setting 1 selects wae 47 of 103 4700 LXI DC LOAD USER MANUAL 38 4 baud When a switch bit 18 moved toward the outside of the chassis the bit 1s set to 0 When a switch bit is moved toward the fan the bit is set to 1 This switch 1s only read once at power up If this switch 15 changed the load must be turned off and on again for the new switch setting to take effect 4 2 5 COMM IN Select Switch To enable the communication to other NHR devices enable the COMM IN using switch 9 on the Rear Panel Setting 0 allows the use of COMM IN and setting 1 prohibits the use of COMM IN
71. itch must be set to Stand Alone 2 Sync Out from one load is connected to Sync In of the next 3 Load Positive connections must be tied together 4 Load Negative connections must be tied together 4 5 1 SYNC IN OUT Connectors Located on the rear panel are used to software parallel multiple Master Loads Parallel In and Parallel Out are not used Connect Sync Out of one Load to Sync In of the next Load I SYNC OUT SYNC IN Waveform Sync Waveform Sync Command Sync Command Sync Matng connector is a modular RJ22 4 4 type 53 of 103 4700 LXI DC LOAD USER MANUAL 4 6 Digital Inputs and Outputs 4 6 1 TRIGGER IN OUT Connectors Located on the rear panel these are the hardware trigger input and output connectors Connector Description Mating Connector type 15 This connector is used with RG178 type 50 ohm CO AXIAL cable NOTE These signals are referenced to chassis 4 6 2 DIN Connector An external CMOS logic level Digital Input is provided The state may be measured Timing measurements may be made from Trigger In to Digital In or any DSO measurement NOTE This signal is referenced to chassis DOUT 3 pours 4 6 3 DOUT Connector Four open collector outputs with 1k pull up resistors are provided for general purpose output NOTE These signals are referenced to chassis 54 of 103 4700 LXI DC LOAD USER MANUAL 4 6 4 ENABLE Connector A logic signal input
72. l many different load models and the capabilities of each load vary from model to model If a capability is not supported the feature will be disabled on the soft panel Please refer to the Specification section to determine the capabilities of your load model If there 1s more than one load in your configuration the softpanel will adjust itself to maximize the number of loads visible at one time Depending on your configuration and computer monitor your softpanel may appear slightly different but the operations remain the same 75 of 103 4700 LXI DC LOAD USER MANUAL NHR DC Load DC Load wj Operating Modes Setup Macro Operation Constant Current Mode i iie 0 70m 500 000 m 0 0002 us Exemal Current Modulation Mode 30 000 V x 0 660 A Run Macro Program Constant Resistance Mode LED Mode p C 2 273 21 0 000Q nus Bulk Resistance 4 167 ko nal gt Extemal AC Cpl Pam aiting tor Constant Voltage Mode Tum on Voltage 30 00077 Cp _ CO overvatage Rel e aS vervoltage Relay Engaged Operations Constant Power Mode Digital Outputs 1 2 3 4 5 6 7 10 101 12 13 14 15 18 B 0 0009 o o009 us Maximum Power Point Tracking Mode 2 4 0 6 4 991 V 0 5004 1 DC VOLTS DC AMPS Average Power Y Resistance 16 667 ms amp A l
73. lows direct entry of a value As editor buttons are pressed new value is shown in the field being edited The text background will be rose while it 15 being edited The value is NOT sent to the hardware until the Enter key is pressed At that time the value 1s sent to the hardware and the text background 15 changed to white 5 3 2 Control Bar The control bar 1s always visible on the left side of the display The On Off indicator and the mode indicator are always visible Depending on the tab selected there may also be waveform control buttons 5 3 3 Tab Control The tab control selects the tab page Each tab page contains related controls There are five tab pages e Monitor page for monitoring measurements e Control page for controlling the operating modes and settings of the load e Scope page for viewing waveforms e Setup page for choosing various options page for miscellaneous actions 5 4 Monitor Page Monitor Control Scope Setup More The monitor page is used to monitor the conditions of the load Up to four measurements can be displayed Whatever measurements are selected in the control page will be displayed on the monitor page 59 of 103 4700 LXI DC LOAD USER MANUAL 5 5 Control Page Yellow box around value being edited Monitor Control Scope Setup More M easureme nts 600 000V e 100 000A Modes and 0 0000kW 1000
74. ltage Constant Power Limited to 3KW Constant Resistance Short Circuit Loop Response Over shoot 10 max with less than 1 Vp p ripple Transient Mode Only one mode CC CR CP or CV at a time may be programmed in a transient Range Accuracy Resolution Accuracy Resolution Range Accuracy Resolution Range Accuracy Range Resistance Current Range Max di dt Settings Total Period Delay Resolution Accuracy Modes Range Resolution Accuracy to 60A 0 to 600A 0 12 of set 0 08 of range 0 025 of range 0 15 to 6 6V 0 15 to 20V 0 15 to 66V 0 15 to 120V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 15 to 3000 of Voltage range divided by Current range 2 of set 60A 600A 17milliQ2 max 1 79110 max 100A max 1000A max 100 40pu Sec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 3A Sec to 60A uSec 5uSec 190 5uSec 3 20 4700 LXI 3KW Configuration Measurements Current Range Accuracy Resolution Voltage Range Accuracy Resolution DSO Bandwidth Voltage and current waveform capture Accuracy Channels Digitizing rate Memory Resolution Triggering DSO Range is the same as Current or Voltage being measured CR Range Not less than 42 milliohms to 60A 0 to 600A 0 12 of reading 0 06 of range 0 0015 of range 0 to 6 6V 0 to 66V to 166V 0 01
75. mu pas uapa Suha san aaa kaga naku mayka E 57 5 3 1 EDITINGA VALUE cuite seid 58 3 5 1 1 SIPING DUT OR uu l u u uuu ens inima Sath 58 5 3 1 2 ENTRY irc eoe rere 58 5 32 CONTROR Zm u eee dete sua aaa asas 59 5 3 3 TERI ONTO 59 24 MONTOR PAGE enh ie rset i 59 3 HOON TR Osh GE yu ayat east al celta 60 5 5 1 OPERATING MODES NOR EG sh sk ine a es at 60 5 5 11 SHOBTCIBCUE UL ME LL t uM 61 9 6 UR UE TT ET 62 5 6 1 SETUP WAVEFORM CAPTURE 62 5 6 1 1 T C8 BI TED 8 ES co NUR 62 5 6 1 2 LIEU E LN a uM LAE yama aaa 63 5 6 2 INIDEATING A Qu DS Ou SSE NSS dE AEA 63 5 6 3 MS TING PHIE SC ORE AGE o 64 Sc E uuu m M IM M MEME M E Ld 65 5 7 1 usa c cx uM ULL M MM A 65 5 7 2 ROC IUE LI M LIUM UM I UU M MU M EE 66 95 7 3 NIOBB usu re M UM I UM E M A DM LR OE 66 Do ASBERUPIPAGESe ue M LED M M I DM EL RDUM 67 5 8 1 SLEW PAGE 67 5 8 2 OPERA TION PAGE Oe Ora a 67 5 8 3 S PPI PAGE Zuzana E 68 5 8 4
76. ndicators 57 of 103 4700 LXI DC LOAD USER MANUAL Control Bar Tab Control Monitor Control Scope Setup More YUY x aa Kk Y YK Y C 8HI ZKL H OI I lt IIIM IsAIS IIII II I QIWKW I I I P ZI I I II VY I IIIIIIIOIIIIIICUII III II II IIIIII 600 000V 100 000A a MM Tab 0 3000kW 10000 00R 7 8 9 Fault Indicator Status text goes here Clear Faults Update Indicator 5 3 1 Editing a Value Simply touch the field you want to edit A yellow box will be drawn around the selected field and its value will be modified by the editor There are two styles of editor a spin editor and a data entry editor Touch the selected field the one with the yellow box again to change the editor style 5 3 1 1 Spin Editor 100 0008 Select the digit to change by touching the digit Then using the up for increment or down for decrement buttons press and the value will change accordingly The value will continue to increment or decrement as long as the up down buttons are pressed The double arrow buttons repeat at a faster rate IMPORTANT The values in the spin editor are sent IMMEDIATELY to the hardware as they are changing 5 3 1 2 Data Entry Editor 58 of 103 4700 LXI DC LOAD USER MANUAL The data entry editor al
77. nge Resistance Current Loop Response Range Over shoot 10 max with less didt than 1 Vp p ripple Transient Mode Settings Only one mode CC CR CP or Total Period CV at a time may be Delay programmed in a transient Resolution Accuracy Modes Slew Rate Range Resolution Accuracy 0 to 240A 0 to 2400A 0 12 of set 0 08 of range 0 025 of range 0 15 to 6 6V 0 15 to 20V 0 15 to 66V 0 15 to 120V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 15 to 3000 of Voltage range divided by Current range 2 of set 240A 2400A 4 7milli max 4172 max 400A max 4000A max 2400A 240A uS 100 AOuSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 12A Sec to 240A uSec lt SuSec 190 5uSec 3 26 4700 LXI 12KW Configuration Measurements Current Range Accuracy Resolution Voltage Range Accuracy Resolution DSO Bandwidth Voltage and current Accuracy waveform capture Channels Digitizing rate Memory Resolution Triggering 0 to 240A 0 to 2400A 0 12 of reading 0 06 of range 0 0015 of range 0 to 6 6V 0 to 66V 0 to 166V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In DSO Range is the same as Current or Voltage being measured CR Range Not less th
78. nse Remote Extemal AC Cpl Overvoltage Relay Engaged This section sets up the load s operating ranges and controls whether the external sense 15 enabled and whether the overvoltage relay 1s engaged The voltage and current ranges affect the operating range of the hardware When either is changed the load will go to the off state and the settings and slew go to their default state for that range Changing the range has the same effect as RESET Switching voltage sense to external will cause the load to use the voltage present on the external sense connector for all metering If external sense 15 selected but not connected you will measure OV Some load models support AC coupling and remote measurements When remote 15 selected the load will disregard all voltage measurements and restrict its operating mode to constant current This allows external voltages to be monitored by the load measurement circuitry without affecting the behavior of the load itself Selecting overvoltage relay engaged will activate the internal relay which causes the overvoltage input to be connected in parallel with the load CAUTION This relay 15 only rated for 10A If the load 1s drawing more than 10A the panel will prevent you from engaging the relay However there is no additional protection and if you try to draw more than 10A damage to the relay may result 6 5 4 Operations Section Important note Remote and AC Coupling mo
79. of Auxiliary 1 to Parallel In of Auxiliary 2 and so on to the last Auxiliary chassis Connect Parallel Out of the last Auxiliary to Parallel In of the Master 4 4 1 STAND ALONE PARALLEL Switch Set to Stand Alone when operating Stand Alone or for software paralleled Masters Set to Parallel when hardware paralleling one Master with multiple Auxiliary loads 4 4 2 PARALLEL IN Connector Located on the rear panel 15 used to hardware parallel one Master chassis with multiple Auxiliary chassis Connect to Parallel Out of the previous chassis Sync In Out 18 not used Mating cable type 15 NH Part Commercial Part 8030657 CABLE DB25 M M BC00703 BLACK BOX 6FT SERIAL 4 4 5 PARALLEL OUT Connector Located on the rear panel 15 used to hardware parallel one Master chassis with multiple Auxiliary chassis Connect to Parallel In of the next chassis Sync In Out is not used Mating cable type 15 NH Part Commercial Part 8030657 CABLE 0825 M M BC00703 BLACK BOX 6FT SERIAL 5 of 103 4700 LXI DC LOAD USER MANUAL 4 4 4 Paralleled System Rear View LOAD POSITIVE PARALLEL IN MASTER PARALLEL OUT LOAD NEGATIVE LOAD POSITIVE PARALLEL IN AUXILIARY 1 PARALLEL OUT LOAD NEGATIVE LOAD POSITIVE PARALLEL IN AUXILIARY 2 PARALLEL OUT LOAD NEGATIVE LOAD POSITIVE PARALLEL IN
80. ohms I to 600V 5 25 inch chassis 2 14 4760 LXI Load 2KW Features 2 15 4760 LXI Load 3KW Features 2 16 4760 LXI Load 6KW Features 2 17 4760 LXI Load 9KW Features Size 2 inch rack height one Master 10 5 inch chassis and one Auxiliary 10 5 inch chassis 2 18 4760 LXI Load 12KW Features Size 2 inch rack height one Master 10 5 inch chassis and one Auxiliary 10 5 inch chassis 14 of 103 4700 LXI DC LOAD USER MANUAL 2 19 4760 LXI Load ISKW Features 18000W continuous 900A reduced current to 1 V 0 0111 to 400 ohms 1 to 600V Size 31 5 inch rack height one Master 10 5 inch chassis and two Auxiliary 10 5 inch chassis 2 20 4760 LXI Load 24KW Features Size 42 inch rack height one Master 10 5 inch chassis and three Auxiliary 10 5 inch chassis 2 21 4760 LXI Load 30KW Features Power Current Resistance Voltage Size 52 5 inch rack height one Master 10 5 inch chassis and four Auxiliary 10 5 inch chassis 2 22 4760 LXI Load 36KW Features 36000W continuous 1800A 7V reduced current to 1V 5 56mQ to 200 ohms 1 to 600V Size 63 inch rack height one Master 10 5 inch chassis and five Auxiliary 10 5 inch chassis 15 of 103 4700 LXI DC LOAD USER MANUAL 16 of 103 4700 LXI DC LOAD USER MANUAL 3 SPECIFICATIONS Accuracies apply when settings and or measurements are greater than 10 of the range 3 1 Configuration Chassis with Controller c
81. on Triggering DSO Range is the same as Current or Voltage being measured CR Accuracy Set 50 to 1000 of range 2 accuracy Set 100096 to 6000 of range 10 accuracy 0 to 5A 0 to 50A 0 12 of set 0 08 of range 0 025 of range 1 to 20V 1 to 200V 1 to 600V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 50 to 6000 of Voltage range divided by Current range 2 of set 50A 0 20 max 80A max 40pn Sec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 0 25A Sec to 5A uSec lt SuSec 190 5uSec 0 to 5A 0 to 50A 0 12 of reading 0 06 of range 0 0015 of range 0 to 20V 0 to 200V 0 to 600V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In 31 of 103 4700 LXI DC LOAD USER MANUAL 3 333 4760 LXI 2KW Programmable Features Constant Current Constant Voltage Constant Power Limited to 2KW Constant Resistance Short Circuit Loop Response Over shoot 10 max with less than I Vp p ripple Transient Mode Only one mode CC CR CP or CV at a time may be programmed in a transient Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Range Resistance Current Range Max di dt Settings Total Period
82. onstant Resistance Range Accuracy Short Circuit Range Resistance Current Loop Response Range Over shoot 10 max with less than Max di dt I Vp p ripple Transient Mode Settings Only one mode CC CR CP or CV Total Period at a time may be programmed in a Delay transient Resolution Accuracy Modes Slew Rate Range Resolution Accuracy 3 41 4760 LXI 3KW Measurements Current Range Accuracy Resolution Voltage Range Accuracy Resolution DSO Bandwidth Voltage and current waveform capture Accuracy Channels Digitizing rate Memory Resolution Triggering DSO Range is the same as Current or Voltage being measured CR Accuracy Set 50 to 1000 of range 2 accuracy Set 100096 to 6000 of range 10 accuracy 0 to 15A 0 to 150A 0 12 of set 0 08 of range 0 025 of range 1 to 20V 1 to 200V 1 to 600V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 50 to 6000 of Voltage range divided by Current range 2 of set 15A 150A 0 670 max 0 0670 max 24A max 240A max 100 40pu Sec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 0 75 A Sec to 15 lt SuSec 190 5uSec 0 to 15A 0 to 150A 0 12 of reading 0 06 of range 0 0015 of range 0 to 20V 0 to 200V 0 to 600V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 1
83. ontinually repeat as long as the Run Macro Program button is pressed If it is not checked the sequence will run once each time the Run Macro Program button is pressed If the macro program contains a wait for trigger command the sequence will pause at that step and wait for a system trigger to occur The Waiting for trigger LED will light and a Force Trigger button will appear so you can manually generate the trigger should the need arise The macro program requires the selected mode to be active in order to run In the above example we created a Constant Current program If constant current mode is not enabled a software fault will inform you that it must be enabled before the program can be run When running the macro program all settings are in effect In this example if the settings look like this 85 of 103 4700 LXI DC LOAD USER MANUAL Operating Modes Constant Current Mode 0 000 In oDOA us C M Exemal Curent Modulation Mode Constant Resistance Mode 7 LED Mode B 273 0 0000 Bulk Resistance 4 167 Constant Voltage Mode Tumon Voltage 30 0007 C amp 30 000V gt 0 000V us 2 C B Short Circuit Enable Constant Power Mode 500 n 0DOW us C Maximum Power Point Tracking Mode then the maximum power will be limited to 500W regardless of the current setting in the transient program The Load and Store buttons allow you to save macro se
84. out themselves Search for Devices Configurator CNHR SupportDemo cfg File Autofill System Help Setup Search For Devices Exit Autofill 400w Dynamic PAM AMA MA 24 Pana rm Search for Devices in the Autofill menu 6 4 3 Updating Device Firmware The firmware 15 really software that lives on a computer chip built into an NH Research hardware device Some of NH Research s hardware devices allow you to update the firmware Since updating firmware is an interactive process you can only update firmware while on line Right click the name of hardware device you want to update the hardware device menu opens 8 NHR Configurator C NHR Support 4700LXLcfg File Autofill System Help Supported Devices Current Configuration DC Loads EthernetHost DC Load Measurement Helper Digital NH 5x5 1004 1 5 60VDC 500W Dynamic DC Load Dout Digital 1 NH Model 4700LXI 1200A 120VDC 6000W Dynamic DC Load NH 5x5 1004 1 5 80VDC 500W Dynamic DC Load Load NH 5x5 1004 3 60VDC 500W Dynamic DC Load DC Load 1 NH Model 4700LXI 1200A 120VDC G000W Do cad NH 5x5 12 54 1 5 60VDC 75W Dynamic DC Load Measurement Configure NH 5x5 12 5A 1 5 80VDC 75W Dynamic DC Load Measurement 1 NH Model 4700LXI 1200A 120VDC NH 5 5 12 5A 3 60VDC 75W Dynamic DC Load NH 5x5 50A 1 5 60VDC 250W Dynamic DC Load Remove Del NH 5x5 50A 1 5 80VDC 250W Dynamic DC
85. quences and recall them for use at alater time The file format 1s an ASCII file as follows o The first line indicates the active mode Resistance Power or Voltage Only the first letter is required C R P or V o The following lines indicate the desired commands and associated values Commands and values are separated by spaces or tabs o Value or 1s set value for the active mode o Slew or S is the rate of change for the value o Dwell or D is the pulse width o Trigger or T is used to indicate that the macro should wait for a trigger before continuing execution There is no value associated with a trigger A macro can contain up to 100 command value pairs and limited to total period of 20 seconds This 1s the sample defined above Sample txt Notepad File Edit Format View Help Current 0 000000000 0 000250000 1000 000000000 0 001000000 0 000000000 0 500000000 200 000000000 0 000020000 0 000000000 86 of 103 4700 LXI DC LOAD USER MANUAL 6 5 6 Safety Note depending on your monitor resolution this section may be part of the Operations pop up dialog Safety On loads that support Safety Limits pressing the Limits button displays the Safety setup page __ Control the safety limits of the load by entering appropriate values here Settings Max Current Max Curent Time Max Vol
86. rd will continue to function An LED will indicate a failure on a Load Power circuit card 3 7 Isolation 1000V AC between control power and load or chassis ground 1000VDC between load and chassis ground 3 8 Calibration Closed cover all adjustment done software Controller circuit card calibration factors are stored in FLASH Individual Load Power circuit card calibration factors are stored in EEPROM 3 9 Self test Power up self test is implemented in firmware and will report comprehensive error messages about the status of the input output and control board and protection mechanism 3 10 Performance Monitoring Performance monitoring 15 performed continuously by the 4700 LXI DC Load Controller In case of measurement ambiguities over under range conditions heat sink temperature limits reached an appropriate error or warning 15 sent to the controlling device 18 of 103 4700 LXI DC LOAD USER MANUAL 3 11 Temperature Power Duty Rating Cycle Temperature a T LO N St N lt e D Power rating is in percentage of full scale Derate power by 2 from 25 10 40 Duty Cycle is the ratio of time ON 100 divided by period Maximum period 15 2 minutes Specifications apply at 23 5 C after 10 minute warm up Noncondensing humidity lt 75 R H 3 12 Remote Sense 2VDC max drop between sense and load input 3 13 Supply Power Operat
87. rmware Update DSP Fimware Network Micro Firmware Current DSP Firmware Version Version OFFLINE NH Research part number 1906637 74 of 103 4700 LXI DC LOAD USER MANUAL 6 5 NHR IVI Instrument Panel The NHR IVI Instrument Panel referred to as the softpanel can be started from the desktop icon or the start menu In the NH Research program group The panel should look like this after loading f NHR DC Load DC Load Operating Modes Setup Volt Current Constant Current Mode ue Fame X mtm Store QU 500 000 m 1 0 000 Extemal Current Modulation Mode 30000V ossoa C 2 273 0 0000 13 Bulk Resist 4 167 kQ gt Exemal AC Cpl Constant Voltage Mode Tum on Voltage 30 000V C B 30 000V 000V us gt um p pem C 2 Overvoltage Relay Engaged Operations Constant Power Mode Digital Outputs e 0 0008 0 000W us a NEN Tracking Mode 2 3 4 5 6 7 8 5 10 12 013 14 15 16 Run Macro Program Waiting for trigger 10 15 ACA TONS 0 2 20 0 4 0 6 0 8 5 4 d oe N 0 100 a 2 AMPS DC VOLTS nc Average Power c4 Ba S 16 667 ms Digital Input Important note Some of the modes and features presented in screen shots and text within this document may not be available with your particular load The soft panel can contro
88. s Current Range Accuracy Resolution Voltage Range Accuracy Resolution DSO Bandwidth Voltage and current Accuracy waveform capture Channels Digitizing rate Memory Resolution Triggering 0 to 120A 0 to 1200A 0 12 of reading 0 06 of range 0 0015 of range 0 to 6 6V 0 to 66V 0 to 166V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In DSO Range is the same as Current or Voltage being measured CR Range Not less than 21milliohms CR Accuracy Set 15 to 500 of range 2 accuracy Set 500 to 300096 of range 10 accuracy 1 4 23 of 103 4700 LXI DC LOAD USER MANUAL 3 23 4700 LXI 9KW Configuration Programmable Features Constant Current Constant Voltage Constant Power Limited to 9KW Constant Resistance Short Circuit Loop Response Over shoot 10 max with less than 1 Vp p ripple Transient Mode Only one mode CC CR CP or CV at a time may be programmed in a transient Range Accuracy Resolution Accuracy Resolution Range Accuracy Resolution Range Accuracy Range Resistance Current Range Max di dt Settings Total Period Delay Resolution Accuracy Modes Range Resolution Accuracy 0 to 180A 0 to 1800A 0 12 of set 0 08 of range 0 025 of range 0 15 to 6 6V 0 15 to 20V 0 15 to 66V 0 15 to 120V 0 05 of
89. sample mode or we can average every 10 samples together and display the average as a single pixel hi res mode Auto Trigger when true will not wait for a trigger but will start capturing as soon as the waveform run button is pressed If this 1s false the capture will not start when the waveform run button 15 pressed but will wait until a trigger is received The trigger can be received from the trigger in connector on the load or from the system trigger generated when the force trigger button 15 pressed Run Continuous will continually capture data as long as the run continuous button is pressed 5 6 2 Initiating a Capture Initiating a waveform capture is accomplished by pressing the waveform capture button on the control bar The button label will change depending on which tab page 1s displayed and what capture mode 15 chosen With the Control Page displayed the waveform capture button 1s labeled Start WF When pressed the waveform capture will be initiated The status at the bottom of the screen will indicate whether the capture 1s waiting for a trigger or not w 63 of 103 4700 LXI DC LOAD USER MANUAL Monitor Control Scope Setup More 500 0 3000kW e 1 2 3 4 Start WF Force Trig 6 7 8 9 Measuring Waiting For Trigger If waiting for a trigger the capture will only continue when a trigger is received on the trigger in connection or a system trigger is sent system trigger will be s
90. san ass 78 6 5 3 DP SEC T uuu uu M E 79 6 5 4 OPERATION SEC HON amu I E dM een 79 6 5 4 1 aS MED M EM MA 80 6 5 4 2 L E i IM N AE 80 6 5 4 3 QU NUS DEIN INED RUPEE 80 6 5 4 4 SELFIE PUE ERE OO I MT TU 81 5 4 5 ADVANCED PROPERTIES 81 6 5 4 5 1 FIRMWARE REGULATION GAIN uu uuu l u Ll asnaykun 82 6 5 4 5 2 ENABLE FAST RESPONSE TIME METHODS IN CV MOpE 83 6 5 4 5 3 GENERATE TRIGGER ON CURRENT RESISTANCE VOLTAGE OR POWER CHANGE 83 654 54 ENABLE LOW POWER MODE Q uyu acest E So 83 6 5 4 6 Qe CH LO RU PP TT 84 6 5 5 MACRO TRANSIENT OPERATION SECTION eretar qua esee erre 64 6 5 6 Sid cH 87 6 5 7 DIGITAL OUTPUT SECTION tei eo esc Um u ide 89 6 5 8 SAVEIRECALE SETTINGS SECTIONE idees u Ma CL M DADA ELE 89 7 PROGRAMMING i A t a a sa ss 90 CN MEE GIL PIRE T T 90 To MICROSOFT NET LANGUAGE S u u u u au ui k ides uw ne p auno vU bes e 90 To MICROSOFT VISUALBASICO 0 de ie Do rosa oed Ua akan m kuta ho aaa P BUDE TO echo 90 TA NATIONAL INSTRUMENTS LABVIEW L u l u u uu e ord rue E vue o bep De vue Ve toa Eu EE E 90 7 5 NATIONAL INSTRUMENTS LA
91. se increase the aperture to make faster less accurate measurements reduce the aperture The aperture window is located in the lower left corner of the measurement section Each load can define its own aperture size Each time a measurement 15 taken the load will display the active voltage and current in the analog gauges Two additional measurements are available in the digital gauges Use the dropdown lists above each digital gauge controls to select the desired additional measurements The amber LED in the upper left corner flashes whenever a measurement 1s active You can click this light to disable the measurements Click again to re enable The measurement history chart displays the past voltage and current measurements It 1s ONLY updated when measurements are active Depending on the number of loads in your configuration there may not be enough screen space to display the history chart all the time In this situation the history chart shares screen space with the measurement window and a sign will be visible in the upper right corner Pressing the button will toggle between the measurement window and the history chart 78 of 103 4700 LXI DC LOAD USER MANUAL If the load supports Digital Inputs DINSs the state of each input 15 displayed via an LED When the LED is lit the DIN is high when off the DIN 18 low 6 5 3 Setup Section Setup Voltage Range Curent Range 600 000 3000A gt Voltage Se
92. settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings 5 Obtain an IP address automatically Use the following IP address IP address 192 168 0 1 Subnet mask 255 255 255 0 Default gateway Obtain DNS server address automatically Use the following DNS server addresses Preferred DNS server Alternate DNS server 7 Validate settings upon exit 5 Select Use the following IP address and type in the address as indicated above then click OK This IP address must match the load s IP address range refer to Important Network Configuration Information sheet or the sticker on the back of the load to obtain this information Software Setup 1 Launch the Port Configurator Start gt ALL Programs gt NH Research gt Port Configurator 2 Verify that the Ethernet is listed under Port Configuration window if Ethernet 18 not listed click New and select Ethernet then click OK 3 Uncheck the Online check box 4 Check the Trigger Master check box when Ethernet is selected in the list Port Configuration Utility Diagnostics Help Port Configuration COM1 VO Address Ethernet e New Del Trigger Master Iw Offline Pass Percentage 100 Cancel 5 Click OK to close Port Configurator 6 Reboot the PC if prompted 99 of 103 4700 LXI DC LOAD USER MANUAL 7 Launch
93. space must be provided at the rear of Load Also 18 46CM at the front Failure to provide adaquate floor space may result in Overtemperature Errors The load will dissipate over 6KW of heat per chassis Allow for 600CFM per chassis of air to enter the front and exit the rear of the load This must be fresh cool air and not hot re circulated air 4 1 4 Load Positive and Negative Bus Bars Located on the rear panel 15 the load power input connections 44 of 103 4700 LXI DC LOAD USER MANUAL 4 1 5 Front View 4700 DC Load mmn Wow Y Y wWw Power n0annmnmsnmnnnnunmnummnnmnmmnmnunntmnnininmmnunmnmnmmnmnuinnuimnmumnmnmnmmnmnuminnunrnmimrnmnnumnn E Ow E S S MOM RR OUS GU UM UD E UM UE OM D R TE RR R D R a B S 32 d 2 Hd K M d 32 d RC EI SE S RR R SR R R S RE REESE RR
94. t 1 NH Model 4700LXI 12004 120VDC 6000W Dynamic DC Load NHR Configurator 23 At the completion you will see one or more loads that match your system 24 Click OK to close the System Configurator 25 Launch the DC Load Panel and verify communication i e enable the Metering 103 of 103
95. tage Max Voltage Time Min Voltage 118 000 V Min Voltage Time 100 000 mS Max Power Max Power Time The safety setup page allows you to set safety trip points In essence you are defining a programmable circuit breaker for current voltage and power You will define a value and a time for each characteristic Note if you set the time value to zero it will act as an instantaneous fuse That is it will trip off the instant 1t sees a value that exceeds programmed setting This often leads to false trips due to high frequency noise spikes It w 87 of 103 4700 LXI DC LOAD USER MANUAL is usually better to set a small non zero time to avoid false trips but still provide fast trip response The safety trip algorithm mimics the behavior of a circuit breaker Like a circuit breaker the algorithm will not be affected by noise and the trip point delay will vary with the amount of overload That 1s the higher the overload the faster the trip The parameters that can be set are the trip value and the time value Here 15 the approximate trip point curve of the algorithm Trip Point 1000 0 100 0 Trip Point Time of Delay 10 0 ev I r B 4 100 200 300 400 500 600 700 800 900 1000 Value of Trip Value For example for a 10A maximum current safety trip point and a time value of 5 seconds If the load draws 20A 200 of trip value it will trip off in
96. tice Any questions concerning the product or any questions or comments concerning this manual should be directed to the NH Research Field Service Department during normal business hours Monday through Friday at 949 474 3900 or FAX 949 474 7062 or www nhresearch com emPower is a trademark of NH Research Incorporated 3 of 103 4700 LXI DC LOAD USER MANUAL 4 of 103 4700 LXI DC LOAD USER MANUAL TABLE OF CONTENTS 1 SA TER EY y Q EIE a ua Sa 10 Lely uc u uu nun m usu 10 2 DESCRIPTION T kt u L SSS S Goo Lore o dv este odo uu u to debated R 11 2 DM MeL UN AMET MEM LL AME D ME EE 11 2 2 4700 L XLLOAP PAMIEYCONMMONTEASTUBBEBS u Wein Alexa QA SS SNI 11 2 5 XT LOAD IK WHR BA TUR BS s anu uu u ss hu DU CLAU 12 24 4700 LXILOAD 2KW FEATURES L t eei eot Pepe ao 12 25 ATJO0LXILOAD 3KW EBATUBBES uy ay ipana Ay 12 20 A700 EXT LOAD 6KW EBATUBBSL uuu ay ana Ayu 12 21 47700 EXI LOAD OKW FEATURES uu uy a lt u ioo ert e A Saa 12 2 0 700 EXI LOAD 2 W dota nota o Feb eoo noue eov tuz sss 12 29 VEIDOOLXIDLOAD CISRWABBATURES 5 i scouts e u oe tO utu bete hou o ous tos Lau sns 13
97. to a new state description 1 Setup all load settings as desired 2 Select New in the Stored States selection box 3 Modify the description if desired the default will be State which will be a unique name 4 Press the Save button To recall a saved state 1 Select the desired state to restore In the Stored States selection box In this example Full Load was chosen Stored States each entry stores all loads E Ga v fec State 2 Save 2 Press Recall button WARNING The saved state will be restored and become active immediately If the state was stored with short circuit turned on a short will be applied as soon as you press recall DALES ra w 89 of 103 4700 LXI DC LOAD USER MANUAL 7 PROGRAMMING 7 1 General NH Research provides an IVI compliant instrument driver with the softpanel along with support files for various popular development environments The driver contains functions for selecting configuring taking measurements from and controlling the instrument Complete context sensitive help 1s provided for every method and property via a compiled HTML help file NHRDCLoad chm which is located in C Program Files IVI Foundation IVI Drivers NHRDCLoad Samples are located in the C NHR Samples NHR DC Load folder 7 2 Microsoft NET Languages You use the IVI COM instrument driver to control the load in a NET program Interop assemblies are
98. uSec 190 5uSec Single burst or continuous 1 5A Sec to 30A uSec lt SuSec 190 5uSec 0 to 30A 0 to 300A 0 12 of reading 0 06 of range 0 0015 of range 0 to 20V 0 to 200V 0 to 600V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In 4700 LXI DC LOAD USER MANUAL 3 44 4760 LXI 9KW Programmable Features Constant Current Constant Voltage Constant Power Limited to 9K W Constant Resistance Short Circuit Loop Response Over shoot 10 max with less than 1 Vp p ripple Transient Mode Only one mode CC CR CP or CV at a time may be programmed in a transient Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Range Resistance Current Range Max di dt Settings Total Period Delay Resolution Accuracy Modes Range Resolution Accuracy 3 45 4760 LXI 9KW Measurements DSO Voltage and current waveform capture DSO Range is the same as Current or Voltage being measured CR Accuracy Set 50 to 1000 of range 2 accuracy Range Accuracy Resolution Range Accuracy Resolution Bandwidth Accuracy Channels Digitizing rate Memory Resolution Triggering Set 1000 to 6000 of range 10 accuracy 0 to 45A 0 to 450A 0 12 of set 0 08 of range 0 025 of range 1 to 20V 1 to 200V 1 to
99. ui ll gt 0 007 A inm DC VOLTS hd S 4507 DC Load 3 History DC VOLTS Average Power The title bar and side bars contain the logical name of the DC Load you are currently controlling This softpanel can control any number of physical loads including NHR loads of different types Use the Control section to set the various features of the selected load To switch loads simply click anywhere within the measurement or history window of the desired load Switching from one load to another does NOT affect the settings The Control section 15 automatically updated to reflect the state of the selected load The panel allows full control of the DC load The panel is divided into 8 sections 6 5 1 Operating Modes Section Constant Current Mode CD 500 000 ma 0 000 Constant Resistance Mode C LED Mode al F Exemal Curent Modulation Mode C 92 273 D 000 amp us Bulk Resistance 4 167 Constant Voltage Mode Tum on Voltage 30 0007 C B 30 0007 0 000V ns C Short Circuit Enable Constant Power Mode C Mio0 000W gt 0 000W ps Maximum Power Point Tracking mu 76 of 103 amp 4700 LXI DC LOAD USER MANUAL Important note LED and Maximum Power Point Tracking modes are not available on the 47xx LXI loads These modes will be disabled on the softpanel Please refer to the Specificat
100. uracy 40 of 103 0 to 180A 0 to 1800A 0 12 of set 0 08 of range 0 025 of range to 20V to 200V to 600V 0 05 of set 0 05 of range 0 025 of range Current range times Voltage range 1 of set 1 of range 0 025 of range 50 to 6000 of Voltage range divided by Current range 2 of set 180A 0 05560 max 290A max 1800A 0 005560 max 2900A max 100 AOuSec to 20 Sec 20uSec to 20 Sec SuSec 190 5uSec Single burst or continuous 9A Sec to 180A uSec lt SuSec 190 5uSec 0 to 180A 0 to 1800A 0 12 of reading 0 06 of range 0 0015 of range 0 to 20V 0 to 200V 0 to 600V 0 01 of reading 0 02 of range 0 0015 of range DC to 1 4 of sample rate 1 of range or 2 muxed 100 to 100k Samples Second 256k Samples 0 0015 of range S6K Trigger In 4700 LXI DC LOAD USER MANUAL 3 56 4760 Operating Envelope 1000 100 Volts 10 20 40 60 Amps 0 80 120 4760 LXI Operating Envelope 41 of 103 4700 LXI DC LOAD USER MANUAL 3 57 Block Diagram VOLTAGE METER AND VOLTAGE SENSE AND RANGING c amp nnn e POS ISOLATION DSP A RANGING PSE LOAD UE e CONTROL P gt ERROR LED OVPS Gor i E DIFF AMP CURRENT METER I e AD NN NEG RANGING CURRENT SHUN LOAD PCA 4700 LXI DC Load
101. used in NET environments such as C and VB NET to access COM components The necessary interop assembly 15 deployed and registered on the system during software installation The Samples folder contains CZ program that illustrates the use of the load driver In the NET environment as well as the source code for the softpanel 7 3 Microsoft Visual Basic 6 0 You use the IVI COM instrument driver to control the load in a VB6 program References to COM drivers are used in VB6 to gain access to the load hardware The necessary driver is deployed and registered on the system during software installation The Samples folder contains a VB6 program that illustrates the use of the load driver in this environment 7 4 National Instruments LabVIEW A palette set providing direct access to each of the instrument driver functions 1s included with the software installation NOTE for LabVIEW to see the palette you must copy or move the NHRDCLoad folder located in NHR Samples NHR DC Load LabVIEWNinstr lipb into the LabVIEW instrument sub folder which is usually located in C Program FilesNNational Instruments NLabVIEW Xe X NING CE LID From a LabVIEW block diagram traverse the Instrument I O and Instrument Driver menus to find the NHR DC Load palette The Samples folder contains several LabVIEW samples along with the source vi for the softpanel Alternately a LabVIEW programmer can access the IVI COM driver directly
102. using LabVIEW s support for ActiveX drivers 90 of 103 4700 LXI DC LOAD USER MANUAL 7 5 National Instruments LabWindows CVI A function panel providing access to the driver 15 Included with the software Installation The Samples folder contains LabWindows program that illustrates the use of the load driver in this environment NOTE depending upon where you install the files you may have to browse for the instrument function panel NHRDCLoad fp usually located in C Program FilesNIVI Foundation IVI Drivers NHRDCLoad before the sample will compile 91 of 103 4700 LXI DC LOAD USER MANUAL APPENDIX A MULTILOAD CONNECTION amp WIRING ONE LOAD DESCRIPTION QTY WIRES WIRE AWG 3KW 4750 150A 2 2 6KW 4750 300A 4 2 3KW 4700 600A 4 2 O 6KW 4700 1200A 8 2 O A act EA PLC S 10 LUG 1 4 X 2 O AWG or 2 AWG SEE TABLE QTY amp AWG 30 BOLT 1 4 20 x 0 625 BRASS QTY 4 50 WASHER FLAT 1 4 BRASS QTY 4 60 WASHER LOCK SPLIT 1 4 BRASS QTY 4 FIGURE 1 92 of 103 4700 LXI DC LOAD USER MANUAL TWO LOADS DESCRIPTION QTY WIRES WIRE AWG 6KW 4750 300A 4 2 12KW 4750 600A 6 2 6KW 4700 1200 8 2 O 12KW 4700 2400A 12 2 O OBLONG HOLES THIS END 70 2050 8050 80 4 PLC S 60 70 OBLONG HOLES THIS END do an 5 20150 2050 LUG 1 4 X 2 0 AWG or 2
103. will be prompted with the number of devices found 101 of 103 4700 LXI DC LOAD USER MANUAL NHR Configurator C NHR Support Default cfg Supported Hosts Current Configuration BasicHost Port EthernetHost Port Serial Port NHR Configurator j Found 1 devices on EthernetHost Eo 22 Click OK and accept all the dialog boxes using the default names Configuration Dynamic DC Load IP Address 102 168 0 2 Load s Address will be displayed here Load and PC must have the same IP Address of load boards e range if not change the PC s IP Address to match the load s IP Address MAC Address 00 03 74 05 56 5 Neighbor 00 00 00 00 00 00 UDP Port 49348 Edit Parallel Config DOUT DOUT DOUT Mame 102 of 103 4700 LXI DC LOAD USER MANUAL Device Logical Hame In order to distinguish device from another each device requires a unique logical name Please enter a logical device name in the box below For reference a list of used logical names has a NHR Configurator C NHR Support Default cfg Supported Hosts Current Configuration EthernetHost BasicHost Port EthernetHost Port EX Digital Serial Port Dout Digital 1 NH Model 4700LXI 12004 120VDC 6000W Dynamic DC Load Load DC Load 1 NH Model 4700LXI 12004 120VDC 6000W Dynamic DC Load Measurement Din Measuremen

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