Gebruiksaanwijzing /service van het product 8510 van de fabrikant B&K
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1 Mode l Mode l Mode l Mode l 8 5 85 85 85 1 1 1 10 600W 0 60 0W 0 60 0W 0 600W Pr ogr ammabl e Programma ble Programma ble Programma ble DC DC DC DC E E E E lec tronic Load lectronic Lo ad lectronic .
2 Instruc tion Manual for Model 8510 PROGRAMMABLE DC ELECTRONIC LOAD.
3 TA BL E OF CONT ENT S QUICK REFE R ENCE ........... .......... ............... ......... 6 The Fro nt Pa nel ............ ............... .......... ......... 6 The Re ar Pane l ... ............... ............... .............. 7 Front Pane l Displa y .
4 Warranty In formation Certificati o n We certif y that this product met its published specific ations at time of shipment from the factory. Assist ance The above statements ap ply only to the s tan dard product warranty . W arranty opt ions product m a intenance ag ree m ent s and custo mer assistance agreements a re also available.
5 Safety Symbols Direc t curre nt Alt er nati ng cur r ent Both d ir ect and a lte rnat in g cu rr ent Protecti ve earth (ground) terminal Caution (r efer to accompanyi ng documents) WA RNING The WARNIN G sign d enotes a hazar d .
6 Quick Reference The Front Panel 6 1 2 3 4 5 1 16-chara cter display show s voltag e and curren t measuremen ts. 2 Rotar y knob 3 Po w er sw it ch ON /O FF 4 Entr y keys : （ （ （ （ numeri c k eys ） ） ） ） Ente r valu es. Incre as ing or decr easing the setup value s.
7 The Rear Panel 4 1 2 3 1 3 Pin IE C320 ac input conn ector. (P o w er code require s ground co nductor). 2 4 Pin Tr igger and Rem ote sensing co nnector s.
8 Immedi ate Action Keys V-set V-set Choosing CV mode and settin g the input of regulation voltage mode I-s et I-s et Choosing CI mode and settin g the input of regulation cur rent mode P-s et Choosin.
9 △ △ △ △ Scrolling keys let you move throug h t h e com mands in the presently s elected functi on me n up t he ne xt c omm and i n t he l ist. Func ti on m enus ar e cir cul ar ; you c an r etur n t o the s tar ti n posi ti on b y con ti nuo us pr ess ing the k ey.
10 A DC UP DA T E RA T E HIGH LOW<DEFA ULT> TRIGGER SOURCE Choosing the t rigger si gnals source. IMMEDI A T E<DEF> Trigger s igna ls f rom Shi ft + Tr igger key EXTERN A L Trigger s igna ls fr om th e TRIG connector i n the rear panel . BUS Communication com mand trigger mode.
11 ON W hen us er s ch oose t he t ime r st ate O N, and th en t ur n on th e el ect roni c load input, th e LOAD ON TIMER will start w orking , and when the L OAD ON TIMER is rea ch the setup time , the electron ic load input will tu rn off au tomatically ,.
12 IT -E 151 R ack m ou nts kit: fo r installa tio n of one or two 8500 se ries load on the 19 inch rack. IT -E 131 iso la ted com mu nica ti on cab le: This c ab le c onverts the el e ctr onic load’s ser ial port (TTL 5V lev el) to PC RS232 inter face .
13 Remote Programming The electronic load may be remotely program med from the computer via the IT-E 131 isol a t e d commu nication cable . Operating M odes The four modes of op eration are: 1: Constant curr en t (CC). 2: Constant voltage (CV). 3: Constant resistance ( CR ) .
14 LO A D CU RRENT LO A D IN PUT VOLTA GE I V VOLT SETTING CONS TANT VO LTAGE M ODE Constant Power (CW) Mode In this mode, the electronic load’s po wer c o nsumption will b e in accordance with the programmed value, regardless of the input vol tage.
15 10A 5A Conti nuous Transient O peration 2.0ms 3.0ms Pulse Switch to val ue B upon receiving one tr igger signal , aft er taking the pulse ti me( TWD ) of va lue B, the loa d will retu rn to Value A .
16 GROUP To tal = 1000 steps 1 1000 step s 2 5 00 00 00 00 steps 500 steps 4 250 steps 250 step s 250 step s 250 step s 8 120 steps 120 steps 120 steps 120 steps 120 steps 120st eps 120 steps 120 steps W h en receiving one trigge r signal, it will start th e list operation until receiving another tr ig ger signal or finish the List operation.
17 Input On/Off Electr onic loa d's input can be toggl e d on/off at t he f r o nt panel . Turning the input off (zero curr ent) does not a ff ect the prog rammed se ttings. Th e input w ill retu rn to the previo usly pro grammed values when the input is tu rned on aga in.
18 W h en working in CR , CC and CP mode, input current is ascending continuously, the load current will be limited b y a current limit circu it, Load will wo rk in the over current p rotection state , VFD display the informatio n as CC.
19 TRIG : A TTL-compatibl e in p ut that respon d s to e x ternal edge tr igger signal. A trigger applied to this input ca n be used to change setti ngs (voltage, curr en t, r e si stance, etc.) , toggle between settin g s i n trans ient-toggle mode, or generate a pulse i n transi ent-pulse mode.
20 Battery Test ing A DC load is well suited to verify that a battery is working pro p erly. Only with the corr ect lo ad testing, the battery c an be confirm ed if it was being the expectant lif e curve locati on. The electronic loads can be us ed to test any type of battery.
21 Battery Voltage Min volt age Load Sink Curr ent V t I t Von/Voff Operatio n You can set voltage value Von/Voff to control the input state on/off for elec tronic load. W hen the input volta ge r e aches the Von value, th e load ’s i nput state is on.
22 Installation Inspect ion Damage W hen you receive your electronic load, inspect it for any obvious damage that may have oc curred during shipm en t. If there is damag e , notify th e sh i pp i ng carrier and nearest Agent offic e and Support Office immediat e ly.
23 Outline Diagram Unit (mm) Bench Operat ion A fan cools the electr on ic load by drawing air through the button and si des and exhausting it out the back . Minimum clearances for bench operatio n are 25 mm along t he si de s. CA UTI ON Do not block the fan exh a ust a t th e rear of the Load.
24 Trigger and Remote Sensi ng Connect ions A 4-pin connector and a quick-disconnect mati ng p lug ar e provided on rear panel for acces sing input signals and remote sensi ng, all leads connected to the connect or should be twisted an d shiel ded to mai nta i n the instrument's specifi ed pe rf o r mance.
25 6.P res s △▽ 0.0 00W I : 0. 000A Display the actual power va lue and settin g va lue. In Case of Tro uble Should the power- on self test of the Electronic Load fail, you m ay try the following: W hen turni n g on the power, make sure the power cor d to the unit is plug ged in and the power switch is in the on posit ion.
26 CR The selected input c hannel is in the resi stan ce (CR ) mode . Rmt Ind icates tha t the ele ctron ic loa d is in remote state (RS-232). In th e remote s tate, only the activ e key is the Local ke y. Tran The selected i nput channel is enabled for transi e nt operatio n.
27 STEP 3 Enter the or iginal value whi ch displayed i n the V FD or en ter a new val ue by usi ng nu mber ke ys o r Rot ary kn ob to adju st the vo ltage va lue CURRENT=*. ***A STEP 4 Press Ente r to conf irm 0.000V *.***A Setup the in put cu rrent a t 4.
28 Step 1 Press R-set RESIS TANCE = 0000R Step 2 enter a new value by usi n g num eric keys or Rotary knob to adjust t h e resis tance value RESISTANCE=*****R Step 3 Press Ente r to confir m. 0.000 W R :0000R V-set ( set up a cons tant v oltage f rom 1.
29 Transit ion Param eter Set ting Users c ou ld press Shi ft + S-T ra n to se t th e tran sition p arame ter. Shi ft + S-T ra n LEVEL A = ***** Setup value A Ente r WIDT H A = *** *** Set up ti m e w.
30 For ex ample : When lo ad rece iving one trigger sig na l, it will s witch to 10A c urrent value, and ta king 10 mS to retu rn the cur re nt val u e of 5A . 10A 5A Pulsed Tran sient Operation 10ms TWD 10ms TWD TRIG TRIG Acti on 1. Select the operati on mode ( CC,CV,CR or CP ), a nd set a proper va lue, press On/Off to tu rn off the lo ad input .
31 3. Pr e ss Shi ft + Tr igger switch to the current va lue of 10A. 4. Pr e ss Shi ft + Tr igger , switch between 5A and 10A. 5. Pr e ss Shi ft + Tra n again to stop the transi ent operation. List Op eratio n Users can use th e front panel keypad or the includ e d softwar e ( PV 8500) to progr a m the l ist sequence.
32 18) Press Enter to confirm. Quic k R ecall Funct ion This function allows you to r e cal l 10 groups n umbers which were stored previous ly. St ep s: 1) Pr e ss Shi ft + Menu 2) Pr e ss ▼ to CONFIG , press Ente r in to s ubm enu, pr es s ▼ to SHO RTCU RT RECA LL 3) Pr e ss Ente r , sele ct ＞ ＞ ＞ ＞ ON and press Ente r to confirm.
33 4) Pre ss Ente r and begin to edit the automatic t e sting file, , VFD shows MAX CUR R= ＊ ＊ ＊ ＊ . .. . ＊＊ ＊＊ ＊＊ ＊＊ A , which means setting the ma x im u m of volta ge. The maximum is bigg er than 3A , which me ans CC mo de i s i n hig h val ue, her e, th e ma x imu m is 3A .
34 15) Repeat 9 ) ～1 4) , and set the other pr o cess step by step as f o llows: A. CONST CURRENT,0A ,SHORT OFF, READ BACK V, 5.9V, 6.4 V,1S B. CONST VOLTAGE, 5V, SHORT OFF,READ BACK A, 0.205A, 0.245A,1S C. CONST VOLTAGE, 3 V, SHORT OFF, READ BACK A, 0.
35 Steps: 1) Pr ess Shi ft + Menu to enter into menu, VFD displays >CONFIG 2) Pr ess Ente r into the submenu, VFD displ a ys >INITIAL CONFIG 3) Pr ess ▼ to make VFD d ispla y RANGE SELECT 4) P.
36 0- 100W ±(1% +0.1% FS) 1mW CW M o de Reg ulation Input curr ent ≥ FS 10 % Input Volt a ge ≥ FS 10% ） 100-600W ±(1%+ 0.1%F S) 100m W 0-12A ±(0.1% + 0.1%FS) 1mA Current M easurement 0-120A ±(0.2%+0.1 5%FS) 10mA 0-18V ± (0 .02% + 0.02 %FS ) 1mV Voltage Measur ement 0-120V ±(0.
37 The DB9 inter face connector on the rear panel of electr on ic load is TTL volt age level; you can use the communicat ion cable (IT- E13 2) to connect the DB9 inter face connector of the electronic load and the USB inter face co nnect or of computer for the c ommunication.
38 25H Reading the max setup input curr en t. 26H Setting max input power . 27H Reading the max setup input power . 28H Selecting CC/CV/CW /CR operation mode of Electronic load.
39 51H Reading timer value of FOR LOAD ON 52H Disable/Enabl e timer o f FOR LOAD ON 53H Reading timer state of FOR LOAD ON 54H Set tin g c omm unic ati on a ddr ess 55H Enable/Dis a ble LOCAL contr o l mode. 56H Enable/Dis a ble remote se n se m ode. 57H Reading the state of rem ote sense mode.
40 2 nd byte Address (0— 0 XFE) 3 rd byt e Command （ 20H ） 4 th .by te Operation mode （ 0 is front panel oper ation mode ， 1 is remote operation mode ） From 5 th to 2 5 th byt e Syste m rese rve 26 th byte Sum code NOTE Front panel operat ion state is not in effect if electr onic load is in calibrati o n mode.
41 3 rd byte Command （ 24H /2 5H ） 4 th by te The Lowest b yte o f max cu r ren t value 5 th by te The Lowest b yte o f max cu r ren t value 6 th byte The higher byte of max cur rent v alue 7 th b.
42 7. Setting / Reading CC mode current value （ （ （ （ 2A H /2 BH ） ） ） ） 1 st by te Start b it ( AA H ) 2 nd byte Address (0—0XFE) 3 rd byte Command （ 2AH/2BH ） 4 th byte The lowest byte of current value 5 th byte The lower byte of current value.
43 7 th byte The highest byte of max pow er value 8 th to 25 th byte System res erve 26 th byte Sum code NOTE Represent power by 4 bytes of Hex. L ower bytes ar e in the front location, higher bytes ar e in th e la ter location. For ex ampl e : power i s 200.
44 26 th byte Sum code 12. Settin g /Reading CV mode transien t voltage and timer parameter. （ （ （ （ 34H/35H ） ） ） ） 1 st by te Sta rt bit ( AAH ) 2 nd byte Address (0— 0 XFE) 3 rd byt e Command （ 34H /3 5H ） From 4 th to 7 th by te.
45 From 10 th by te to 1 3 th byt e Set tin g v alu e of re si sta nce B (Low er by tes ar e in t he f ront loc ati on, hig her byt es ar e in the later loca tion ) From 14 th by te to 1 5 th byte Time value of timer B (Lower bytes are in the fr o nt locati on, hi g her bytes are i n the lat e r lo cat ion ) ( 1 r epr esent 0.
46 From 10 th to 11 th byt e T im e valu e of c ur rent st ep (L owe r byt es are i n th e fr ont l ocat io n, hi gh er by tes are i n th e late r locatio n) (1 rep r e sent 0.1mS) From 12 th to 25 th by te Syste m rese rve 26 th byte Sum code 19. Settin g / Reading one of the step’ s voltage and ti me values.
47 1 st byte Start bit ( AAH ) 2 nd byte Address (0— 0 XFE) 3 rd byt e Com man d （ 48H/49H ） From 4 th to 1 3 th byte LIST file name (ASSIC code ) From 14 th to 25 th by te Syste m rese rve 26 th byte Sum code 23. Selection / Reading th e memory sp ace mode for storing lis t steps.
48 5 th by te The highest b yte o f time va lue in timer. From 8 th to 2 5 th byte Syst em reserv e 26 th byte Sum code T ime u nit in Ti mer is S, 1S is repr ese nt ed by 1.
49 1 st byte Start bit ( AAH ) 2 nd byte Address (0— 0 XFE) 3 rd byt e Com man d （ 58H/59H ） 4 th byt e Trigger mo de (0:Keypad, 1 External,2.com mand) From 5 th to 2 5 th byte Syst em reserv e 26 th byte Sum code 32. Sending a trigger sig nal to trigging the electro nic load.
50 late r locatio n) From 12 th to 15 th byt e Actual input power va l ue (Lower bytes are i n the front location, higher bytes ar e in th e later location) 16 th byte Operation stat e register From 1.
51 If Load is not in prot e ct ion state, users could do the calibrat ion operation. 37. Getti ng the cali bration mode st ate （ （ （ （ 61H ） ） ） ） 1 st byte Start bit ( AAH ) 2 nd byte.
52 40. Calib rate current value （ （ （ （ 64H ） ） ） ） 1 st by te Sta rt bit ( AAH ) 2 nd byt e Addr ess ( 0— 0XF E) 3 rd byte Co mmand （ 64H ） 4 th byte Curren t calibrat ion po int （ 1~4 ） From 5 th to 25 th byte Sys tem reserve 26 th byte Sum code NOTE Current calibr ation standard points have four: 1,2,3,4 41.
53 3 rd byte Co mmand （ 67H /6 8H ） From 4 th to 23 rd byt e De m a rcat e inform ation （ ASIC code ） 24 th byte Syst em reserv e 25 th byte Syst em reserv e 26 th byte Sum code 44.
54 From 4 th to 2 2 nd byte Informat ion in bar code （ ASICmode ） From 23 rd to 25 th byte Syste m rese rve 26 th byte Sum code Bar c ode ru le ： ： ： ： All of bar cod of our products is distinguished by t he for mer three characters . A l 47.
55 Service Inform ation Warran ty Se rvice : Please return the product in the origin a l packagi ng with pr oo f of pur chase to the address below. Clearly st a te in writing the per formance problem and return any le ads, probes, connectors and accessories that you are using with th e devi ce.
Dec laration of CE Conf ormity according to EEC directives and NF EN 45014 norm Responsible P arty Alternate Manufacturing Site Manufacturer’ s Name: B&K Precision Corporation B&K China 1235 Manufacture’ s Address: 22820 Savi Ranch Pkwy .
56 22820 Savi Ranch Parkway • Y orba Linda, CA 92887 481-554-9- 001 Print ed in Chin a.
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