Agilent Technologies 6028A manuale d’uso

USER’S GUIDE A GILENT 6010A , 6011A , 6012B, 6015A , 6023A and 6028A DC A UTORA NGING POWER SUPPLY USER’S GUIDE FOR A GILENT MODELS Agilent 6010A Serials US37110171 and above Agilent 6011A Serials US35460156 and above Agilent 6012B Serials US35430336 and abov e Agilent 6015A Serials US37050146 and above Agilent 6023A Serials US36490101 and abov[...]

2 CERTIFICA TION Agilent Technologies certifies that this product met its publis hed specifications at time of shipment fr om the factory. Agilent Technologies further certifies that its calibration measur ements are trac eable to the United States National Bureau of Standards , to the extent allowed by the Bureau’s calibration facility, and to t[...]

3 Safety Summary The f ollowin g g eneral sa f et y p recautions must be observed duri n g all p hases o f o p eration o f this instrument. Fa ilure to com p l y with these p recautions or with s p eci f ic warnin g s elsew here in this manual violat es sa f et y standards o f desi g n, manu f acture, and int ended use o f the instrument. A g ilent[...]

4 SAFETY SYMBOLS Direct current Alternating current Both direct and alternating current Three-phase alternatin g current Earth (grou nd) terminal Protective earth (ground ) terminal Frame or ch assis terminal Terminal is at earth potential. Used for measurement and control circuits designed to be o p erated with one term inal at earth potential. Te[...]

5 Herstellerbescheinigung Diese I nformatio n ste ht im Zusamm enhang mit den Anfo rd e rungen d e r Ma schinenlärminfor mationsveror dnung vom 18 Januar 1991. * S challdruck pegel Lp < 70 dB(A ) * Am Arbeitsplatz * Normal er Betrieb * Nach DIN 45635T .19 (T ypprü f ung) Manufacturer’ s Declaration This statement is provided to comply w ith [...]

6 Table Of Contents 1. General Information Introduction .................................................................................................................................................... 9 Description ...................................................................................................................................[...]

7 Multiple-Su pply Operation............................................................................................................................ 39 Auto- Parallel Operation ...................................................................................................... ........................ 39 Series Operation .....................[...]

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General Information 9 1 General Information Introduction This manual contains specifications, installation instructions, and operating instructio ns for DC P ower Supply Models: Agi lent6010A, 6011A , 6012B, 6015A, 6023A and 6028A. Ref er to "Related Docum ents" for oth er inform ation con cerning these products. Description These power s[...]

10 General Information Option Description 100 Input pow er: 100 Vac + 6%, -10%; 48- 63 Hz single ph ase. 120 Input pow er: 120 Vac +6%, -13%. 48-63 Hz s ingle ph ase. 220 Input Pow er: 220 Vac +6%, -13%; 48- 63 Hz, singl e phase. 240 Input pow er: 240 Vac +6%, -13%; 48- 63 Hz, single ph ase. 800 Rack m ount kit for t wo u nits si de by side (m odel[...]

General Information 11 PSI board s to lie on table outside unit, and contro l board test co nnecto r. 5060-0138 GP-IB conn ector non- metr ic to met ric convers ion kit . 5060-2860 FET service kit, inclu des FETs and all compon ents that sh ould be replaced with FETs. 59510A Relay Accessory 59511A Relay Accessory (Polarity Revers ing) Instrument an[...]

12 General Information Table 1-1 Perf ormance Specifications Agilent Technologies Model 6010A 6011A DC Output: V oltage, c urrent and power spans indic ate range Volts 0-200 V 0-20 V over which output m ay be varied using f ront panel cont rols. A mps 0-17 A 0-120 A Maximum Power 1000-1200 W 840-1072 W Load Effect (Load Regulat ion) Vol t age load [...]

General Information 13 6012B 6015A 6023A 6028A NOT ES. 0-60 V 0-500 V 0-20 V 0-60 V 0-50 A 0-5 A 0-30 A 0-10 A 1000-1200 W 1000-1050 W 200-242 W 200-242 W 0.01% + 5 m V 0.01% + 40 m V 0. 01% + 2 m V 0.01% + 3 mV 0.01% + 10 m A 0.03% + 34 m A 0. 01% + 9 m A 0 01% + 5 mA 0.01% + 3 m V 0.01% + 13 m V 0. 01% + 1 m V 0.01% + 2 mV 0.01% + 10 m A 0.03% + [...]

14 General Information Table 1-2 Supplemental Characteristics (continued) DC Floating Voltage : Either output term inal may be floated up to the following voltage (including the output vo ltage) from earth gr ound: ± 240 Vdc on Models 6011A , 6012B, 6023A, an d 6028A ± 550 Vdc on Models 6010A and 6015A Exceeding these voltages can result in dam a[...]

General Information 15 Model Agilent 6010A Agilent 6011A Agilent 6012B Agilent 6015A Agilent 6023A Agilent 6028A Vp1 200 V 20 V 60 V 500 V 20 V 60 V Ip1 5 A 50 A 17.5 A 2 A 10 A 3.3 A Vp2 120 V 14 V 40 V 350 V 14 V 40 V Ip2 10 A 76 A 30 A 3 A 17.2 A 6 A Vp3 60 V 7 V 20 V 200 V 6.7 V 20 V Ip3 17 A 120 A 50 A 5 A 30 A 10 A Figure 1-1. Output Charact [...]

16 General Information Figure 1-2. Output Impedance[...]

Installation 17 2 Installation Introduction This section contains instructions for ch ecking and repackag ing the supply ; bench or rack mountin g, connecting th e supply to ac input power, and converting the supply from one line voltage to another if required.. Note: All power supplies generate magnetic f ields that may af fect the operatio n o f [...]

18 Installation Outline Diagrams Figure 2-1 illustrates the outline shape and d imensions of the cabinet. 6023A ON LY 6028A ONLY Figure 2-1. Outline Diagram Bench Operation The supply cabinet h as plastic feet, wh ich are shaped to ensure self- aligning w hen stacked w ith other Agilent Technologies System II cabinets. Rack Mounting The supply can [...]

Installation 19 Pow e r Connection Caution: Conn ection of th is supply to an ac pow er source sh ould only be perform ed by an el ectrician or othe r qualified person . Before connecting the su pply to the ac pow er source, check th e label on the rear panel to ensure that th e supply is set for the correct ac v oltage to be used. If necessary , c[...]

20 Installation The offset pin on the standard pow er cable three-prong connector is the groun d connection. If a tw o-contact receptacle is encount ered, it must be replaced w ith a properly g rounded three-con tact receptacle in accordance w ith the National Electrical Code and any local codes and ordinances. The w ork should be don e by a qualif[...]

Installation 21 Figure 2-2. Power-Cord Plug Configurations A gilent M odels 6023A and 6028A . Line voltag e conversion is accomplish ed via three compon ents; a two-section line select switch , line voltage jumper, and a rear panel fu se. T o convert the su pply from one voltage to anoth er, proceed as follows: a. Unplug th e power supply and w ait[...]

22 Installation Agilent 6010A, 6011A, 6012B, 6015A Agilent 6023A, 6028A Figure 2-3. Line Voltage Conversion Components[...]

Installation 23 AC Line Impedance Check The power s upply is design ed for proper operation w ith l ine im pedances ty pically f ound in ac pow er lines. How ever, if t he supply is connected to an ac pow er line havin g a high im pedance com bined with lin e voltage near the m inim um specif ied value, (e.g., 104 Vac f or nominal 120 Vac), th e un[...]

24 Installation Rear Panel Screw Sizes and Part Numbers Refer to the f ollowing list if you n eed to replace any of the rear panel connection h ardware: A gilent M odels 6010A, 6011A , 6012B and 6015A Item Description Agilent Part number ac inpu t cover 5060-3237 ac input cover screw s M4 X 0.7 X 60 mm (qty 4) 0515-0156 ac input barrier block 3-ter[...]

Operating Instructions 25 3 Operating Instructions Introduction This section describes the operating controls and indicators, turn -on checkout procedu res, and operating procedures and considerations for the p o wer supply. Front-panel operation and remote resistance/voltage pr o gramm ing is described in this section. T he fron t-panel con trols [...]

26 Operating Instructions Table 3-1. Controls and Indicators Number Controls/Indicators Description Page 1 LINE Switch Pressing at the top o f the sw itch app lies ac mains voltage to the units bias and pow er circuits. Uni t is operational approximat ely 3 secon ds after pow er on. 27 2 VOLT AGE CONT ROL Clockwise rotation increases the output vol[...]

Operating Instructions 27 a. Check th at the rear-panel mode sw itches are set as show n in Figu re 3-3. b. Check th at + lead is connected to +S and the – lead is con nected to –S and tighten ed securely. T he + Sense lead is connected to + Outpu t and the − sense lead is conn ected to − Output lead at the f actory. c. Check that the rear [...]

28 Operating Instructions Initial Setup and Interconnections WA RNING: Turn off input ac po w er before changing a ny rea r-pa nel connection and make certain all wires and straps are properly connected and term inal block screws are securely tightened before reapplying power. Be certain to replace both terminal block covers before reapplying pow e[...]

Operating Instructions 29 Table 3-2. M aximum Wire Lengths To Limit Voltage Drops Wire Size Resistivity M aximum Length In Meters (Feet)To Lim it Voltage Drop To 0.5V Or L ess AWG Cross-section (m m 2 ) Ω /kft Ω /k m 5 A 10A 17 A 30A 50A 120A 2 2 1 6 . 1 5 ( 6 . 1 9 ) ***** 0 , 5 4 0 . 1 2 . 5 ***** 2 0 1 0 . 1 6 ( 9 . 8 ) ***** 0 , 7 5 2 6 . 7[...]

30 Operating Instructions Either positive or negative vo ltages can be ob tained from the supply by ground ing one of the output terminals. It is best to avoid grou nding the output at any poi nt other th an the pow er supply output termin als to avoid n oise problems caused by common-mode curr e nt flowing through the lo a d lead s to gro und. Alw[...]

Operating Instructions 31 circuits wit hin the s upply the pow er supply output drops t o zero and the UNREGUL ATED indicator tu rns on. The pow er supply can be disabled by ov ervoltage, overtem perature, or by low or high ac line (main s) voltage. Overvoltage . If th e voltage across the pow er supply ou tput terminals rises abov e a preset level[...]

32 Operating Instructions crosses the operating lo cus at point 1. P oint 1 is o n the pa rt o f the operating locus d e fined b y the voltage setting, so the pow er supply operates in CV mode. Similarly , the line representing load resistance C, the low est load resistance shown on the graph, crosses the operating locus at point 3. Poi nt 3 is on [...]

Operating Instructions 33 Figure 3-5. Overrange O peration Constant Voltage Operation By pressing the DISPLAY SETT INGS pushbutton switch you can observe the setting (limits) of both the output voltage and the output current, rather than the actual output values. T his you set the current lim it when the power supply is operating in CV mode, or set[...]

34 Operating Instructions Constant Current Operation To set up the p ower supp l y for constant c ur rent op eratio n: a. With power supply turned off, connect the load to the output terminals. b. Turn on the power supply. Hold in DISPLAY OVP pushbutton switch and set OVP ADJUST po tentiometer for the desired OVP trip voltage. In CC mode the voltag[...]

Operating Instructions 35 Figure 3-6. Remote Voltage Sensing Because the sensing leads carry only a f ew m illiamperes, the w ires used for sensin g can be much lighter than the load leads. Each sense lead sh ould have no m ore than 0.2 ohm s resistance. Use the resistivity colum ns in Table 3-2 to determin e the min imum w ire size for the length [...]

36 Operating Instructions Analog Programming These instrum ents can obtain their ou tput voltage and cu rrent program ming in formation f rom three distin ct sources: 1) locally from the front panel, 2) remotely from an external isolated, voltage source or, 3) remotely from an external isolated, resistance. Mode switches B1, B 2 , .thro ugh B6, loc[...]

Operating Instructions 37 Note: If the program min g terminals (VP to P) become open ci rcuited durin g resistan ce programm ing, the output voltage will rise above the power supply rating. The supply will not be damaged if this occurs, but the overv oltage trip poi nt shou ld be properly adju sted to protect the u ser’ s load. Figure 3-7. Resist[...]

38 Operating Instructions Figure 3-9. Optional Voltage Divider for Program S our ce Constant Current Output, Resistance Control . The setup s hown in Fig ure 3-10 allow s the ou tput curren t to be varied by using an extern al resistor to prog ram the s upply. A program min g resistor v ariable from 0 to 4000 ohm s produces a proportion al output c[...]

Operating Instructions 39 Constant Current Output, Voltage Control . The setup sho wn in Figure 3-11 allows the output current to be varied by using an external voltage to program the supply. A voltag e source variabl e from 0 t o + 5 volts produces a proport ional outpu t current f rom zero to f ull scale. The stat ic load on the programming volta[...]

40 Operating Instructions Figure 3-12. A uto -Parallel Operation Setting Voltage and Current . Program th e slave unit’ s output voltage abov e the master’ s to avoid interferen ce with m aster- unit CV control. T he slave unit’ s mode switches disable the slave unit’ s digital current setting from having any eff ect in auto - parallel oper[...]

Operating Instructions 41 Caution: When two supplies are operated in series, they should be pro gram med to the same voltage to prevent possible d a mage to the lower voltage supp ly during short circuit co nd itions. Contact the factory if this is not poss ible. Figure 3-13. Series Operation Monitor Signals Am plified and buf fered voltage and cur[...]

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Appendix A 43 A 100 VAC Input Power Option 100 General Information Description Option 100 is a modif ication of t he power s upply t hat invol ves chang ing th e values of resistors l ocated in the Ov ervoltage Protectio n and Po wer Limit Circuits. It also entails recalibrating the unit and changing the Front Panel. T hese changes allow the un it [...]

44 Appendix A Section 3 Manual Changes On page 30 u nder “Ove rvoltage Protect ion”, chang e 107% to 90%. On page 36 un der “Analog Pr ogramm ing”, in the 3rd parag raph, change the secon d sentence to read: “A resistance of 0 to 3.33 K ohm s program s the out put voltag e from 0 t o full scal e and a resistan ce of 0 to 4 K ohm s program[...]

Index 45 Index A airflow........................................................................................................................ .................................................. 17 ampacity - w ire ......................................................................................................................................[...]

Index 46 R remote se nsing ....................................................................................................................................................... 34, 40 S +S input (see sense leads) -S inpu t (see sense leads) safety class ..............................................................................................[...]

Agilent Sales and Support Of fice 47 A gilent Sales and Support Office For more inf ormation abou t Agilent Technologies test an d measurem ent products, applications, serv ices, and for a current sales office listing, visit our w eb site: h t tp : / / www.t m. a g il e n t. c o m/ You can also cont act one of the follow ing cen ters and ask for a [...]

48 Manual Updates The following updates have been made to this manual since the print revisio n ind icated on the title page. 2/01/00 All references to HP have been changed to Agilent. All referen ces to HP-IB have been chang ed to GPIB .[...]