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Agilent Technologies 667xA - page 1
OPERA TING GUIDE GPIB DC POWER SUPPLIES A gilent T echnologie s Models 664xA , 665xA , 667xA , 668xA , and 669xA sA A g ilent Part No. 5964- 8267 Printed in M alaysia M icr o f ic h e Part N o . 5964 - 8268 January , 200 5 ...
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Agilent Technologies 667xA - page 2
2 Certification Agilent Technologies certifies that this pr oduct met its published specifications at time of s hipment from the factory. Agilent Technologies further cer tifies that its calibration measur ements are traceable to the United States National Institute of Standards and Technology, to the extent allow ed by the Institute's calibra ...
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Agilent Technologies 667xA - page 3
3 Safety Summary The following general safety precautions mus t be observ ed during all phases of operation, servic e, and repair of this instr ument. Failure to comply with these prec autions or with spec ific warnings elsewhere in this manual violates s afety standards of des ign, manufacture, and intended use of the ins trument. Agilent Tec hnol ...
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Agilent Technologies 667xA - page 4
4 Safety Symbol Definitions Symbol Description Symbol Description Direct current Terminal for Line conductor on permanently installed equipment Alternating current Caution, risk of electric shock Both direct and alternating current Caution, hot surface Three - phase alternating current Caution (refer to accompanying documents) Earth (ground) termin ...
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Agilent Technologies 667xA - page 5
5 DECLA RA TION OF CONFORM I TY Acc ording to IS O/IE C Guide 22 and CEN/CE NELEC EN 45014 Manufacturer’s Name and Address Respon sible Party Alterna te Ma nufactur ing Site Agilen t Technologies, In c. Agilen t Technologies (Malay sia) Sdn. Bhd 550 Clark D rive, S uite 101 Budd La ke, New Jersey 07828 USA Mala ysia Manufa ctur ing Bayan Lepas Fr ...
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Agilent Technologies 667xA - page 6
6 DECLA RA TION OF CONFORM I TY Acc ording to IS O/IE C Guide 22 and CEN/CE NELEC EN 45014 Manufacturer’s Name and Address Respon sible Party Alterna te Ma nufactur ing Site Agilen t Technologies, In c. Agilen t Technologies (Malay sia) Sdn. Bhd 550 Clark D rive, S uite 101 Budd La ke, New Jersey 07828 USA Mala ysia Manufa ctur ing Bayan Lepas Fr ...
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Agilent Technologies 667xA - page 7
7 DECLA RA TION OF CONFORM I TY Acc ording to IS O/IE C Guide 22 and CEN/CE NELEC EN 45014 Manufacturer’s Name and Address Respon sible Party Alterna te Ma nufactur ing Site Agilen t Technologies, In c. Agilen t Technologies (Malay sia) Sdn. Bhd 550 Clark D rive, S uite 101 Budd La ke, New Jersey 07828 USA Mala ysia Manufa ctur ing Bayan Lepas Fr ...
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Agilent Technologies 667xA - page 8
8 Table of Contents Certification 2 Safety Sum mary 3 Printing Hi story 4 Declarations 5 Table of Cont ents 8 GENE RA L INF ORMA TION 11 Introdu ction 11 Safety Considerations 12 Instrument Identifi catio n 12 Options 12 Accessories 13 Description 13 Front P anel Pr ogramming 14 Re mo te P r o g ra mmi ng 14 An alog Prog ramm ing 14 Output Characte ...
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Agilent Technologies 667xA - page 9
9 Check sum Errors. 58 Runtim e Error Messages 58 USER CONNECTIONS 59 Rear Panel Connections (All M odels) 59 Load Wire Selection (All M odels) 59 Analog Conn ector (All Models) 60 Digital Connector (All M odels) 60 Connecting Series 664xA and 665xA Power Supplies to the Load 61 Output Isolation 61 Load Cons iderations 61 Loca l Vol tage Se nsing 6 ...
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Agilent Technologies 667xA - page 10
10 Introdu ction 95 Equipment Required 95 General Procedure 95 Parameters Calibrated 95 Tes t Set up 96 Front Panel Calibration 96 Entering th e Calibration Values 96 Saving the Ca libr atio n Constant s 96 Disabling the Calibration Mode 96 Changing the Calibration Password 96 Recoveri ng F rom Calibrat ion Problem s 99 Calibration Error Mess ages ...
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Agilent Technologies 667xA - page 11
General Inform ation 11 1 General Information Introduction Two guides are shipped w ith you r power supply - an Operating Gu ide (this documen t) and a Programm ing Guide. You w ill find inform atio n on the follow ing tasks in these guides: Quick Document Orientatio n 1 Topic Location Calibrating the power su pply Appendix A - th is guide Compatib ...
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Agilent Technologies 667xA - page 12
General Information 12 Safet y Considerations This power supply is a Safety Class 1 instrument, which means it has a protective earth terminal. That terminal must be connected to earth ground through a power sour ce equipped with a 3 - wire ground receptacle. Refer to the Safety Summary page at the beginning of this guide for general safety informa ...
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Agilent Technologies 667xA - page 13
General Inform ation 13 List of Options (continued) Option Description Used w ith Agilent Series 664xA 665xA 667xA 668xA 669xA 908 Rack m ount ki t (Ag ilent 5062-3974) x Rack m ount ki t (Ag ilent 5062-3977) Support rails (E3663AC) are required. x x Rack m ount k it (A gile nt 5062- 3977 & 5062- 3974) Support rails (E3663AC) are required. x x ...
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Agilent Technologies 667xA - page 14
General Inform ation 14 Operational features in clude: ■ Constant volta ge (CV ) or const ant cur rent (CC) o utput o ver the ra ted o utput range . ■ Built-in overv oltage (OV), overcurren t (OC), and overtem perature (OT) protectio n. ■ Autom a tic turn-on self test. ■ Pushbu tton nonv o latile storage an d recall of up to 5 operating sta ...
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Agilent Technologies 667xA - page 15
General Inform ation 15 Output Characteristic General The power s upply can operate in eith er CV (cons tant voltag e) or CC (cons tant curren t) over its voltage and curren t ratings (see Table 1-l). The operating locus is show n by th e Output C haracteristic C urve in Table 1-2. The operating point is determined by the voltage setting (V s ), th ...
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Agilent Technologies 667xA - page 16
General Inform ation 16 Table 1- 1a. Performance Sp ecification s for Series 664xA 1 Parameter A gilent M odel Number 6641A 6642A 6643A 6644A 6645A Output Rat ings Voltage: 0 - 8 V 0 - 20 V 0 - 35 V 0 - 60 V 0 - 120 V Current:@ 40 ° ° ° ° C 0 - 20 A 0 - 10 A 0 - 6 A 0 - 3.5 A 0 - 1.5 A Current:@ 50 ° ° ° ° C 0 - 18 A 0 - 9 A 0 - 5.4 A 0 - 3 ...
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Agilent Technologies 667xA - page 17
General Inform ation 17 Table 1-1b. Supplemental Characteristics for Series 664xA 1 Parameter A gilent M odel Number 6641A 6642A 6643A 6644A 6645A Output Prog ramm ing Ra nge (max im um programm able values) Voltage: 8.190 V 20.475 V 35.831 V 61.425 V 122.85 V Current: 20.475 A 10.237 A 6.142 A 3.583 A 1.535 A Overvoltage Protection (OVP): 8.8 V 22 ...
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Agilent Technologies 667xA - page 18
General Inform ation 18 Table 1-lb. Supplemental Characteristics for Series 664xA (continued) 1 Parameter A gilent Model Number 6641A 6642A 6643A 6644A 6645A Maximum AC Line Current Ratings 100 Vac nom inal: 120 Vac nom inal: 220 Vac nom inal: 230 Vac nom inal: 240 Vac nom inal: 4.4 A rm s 3.8 A rm s 2.2 A rm s 2.1 A rm s 2.0 A rm s Maximum Reverse ...
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Agilent Technologies 667xA - page 19
General Inform ation 19 Table 1-1b. Supplemental Characteristics for Series 664xA (continued) 1 Parameter A ll Models Digital Port Ch aracteristics ( s ee T a b l e 1 - 6 ) GPIB Interface Capabilities ( s ee T a b l e 1 - 6 ) Serial Link Capabilities ( s ee T a b l e 1 - 6 ) Recom m ended Calibration Interval: 1 year Safety Com pliance Com plies wi ...
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Agilent Technologies 667xA - page 20
General Inform ation 20 Table 1-1b. Supplemental Characteristics for Series 664xA (continued) 1 Parameter A ll Models Output Impedance Curves (Typical): Notes: l For Performance Specif ications, see Table l-la. ...
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Agilent Technologies 667xA - page 21
General Inform ation 21 Table 1- 2a. Performance Sp ecification s for Series 665xA 1 Parameter A gilent M odel Number 6651A 6652A 6653A 6654A 6655A Output Rat ings Voltage: 0 - 8 V 0 - 20 V 0- 35 V 0 - 60 V 0 - 120 V Current:@ 40 ° ° ° ° C 0 - 50 A 0 - 25 A 0 - 15 A 0 - 9 A 0 - 4 A Current:@ 50 ° ° ° ° C 0 - 45 A 0 - 22.5 A 0 - 13.5 A 0 - 8 ...
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Agilent Technologies 667xA - page 22
General Inform ation 22 Table 1-2b. Supplemental Characteristics for Series 665xA 1 Parameter Agilent Model Number 6651A 6652A 6653A 6654A 6655A Output Prog ramm ing Ra nge (max im um programm able values) Voltage: 8.190 V 20.475 V 35.831 V 61.425 V 122.85 V Current: 51.188 A 25.594 A 15.356 A 9.214 A 4.095 A Overvoltage Protection (OVP): 8.8 V 22. ...
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Agilent Technologies 667xA - page 23
General Inform ation 23 Table 1-2b. Supplemental Characteristics for Series 665xA (continued) 1 Parameter A gilent Model Number 6651A 6652A 6653A 6654A 6655A Maximum AC Line Current Ratings 100 Vac nom inal: 120 Vac nom inal: 220 Vac nom inal: 230 Vac nom inal: 240 Vac nom inal: 12 A rm s (15 AM fu se) 10 A rm s (12 AM fu se) 5.7 A rm s (7 AM fu se ...
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Agilent Technologies 667xA - page 24
General Inform ation 24 Table 1-2b. Supplemental Characteristics for Series 665xA (continued) 1 Parameter A ll Models Digital Port Ch aracteristics ( s ee T a b l e 1 - 6 ) GPIB Interface Capabilities ( s ee T a b l e 1 - 6 ) Serial Link Capabilities ( s ee T a b l e 1 - 6 ) Recom m ended Calibration Interval: 1 year Safety Com pliance Com plies wi ...
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Agilent Technologies 667xA - page 25
General Inform ation 25 Table 1-2b. Supplemental Characteristics for Series 665xA (continued) 1 Parameter A ll Models Output Impedance Curves (Typical): Notes: l For Performance Specif ications, s ee Table l-2a. ...
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Agilent Technologies 667xA - page 26
General Inform ation 26 Table 1- 3a. Performance Sp ecifications f or Series 667xA 1 Parameter A g ilent M odel Number 6671A 6672A 6673A 6674A 6675A Output Rat ings Voltage: 0 - 8 V 0 - 20 V 0- 35 V 0 - 60 V 0 - 120 V Current:@ 0 to 55 ° ° ° ° C 0 - 220 A 0 - 100 A 0 - 60 A 0 - 35 A 0 - 18 A Program m ing Accuracy (@ calibration temperature* ± ...
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Agilent Technologies 667xA - page 27
General Inform ation 27 Table 1-3b. Supplemental Characteristics for Series 667xA 1 Parameter Agilent Model Number 6671A 6672A 6673A 6674A 6675A Output Prog ramm ing Ra nge (max im um programm able values) Voltage: 8.190 V 20.475 V 35.831 V 61.425 V 122.85 V Current: 225.23 A 102.37 A 61.43 A 35.83 A 18.43 A Overvoltage Protection (OVP): 10.0 V 24. ...
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Agilent Technologies 667xA - page 28
General Inform ation 28 Table 1-3b. Supplemental Characteristics for Series 667xA (continued) 1 Parameter A gilent Model Number 6671A 6672A 6673A 6674A 6675A Rem ote Sensing Capability Voltage Drop Per Le ad: Load Voltage: Up to 1/2 of rat ed outpu t voltage. Subtract voltage drop in load leads from specif ied output volta ge ra ting. Load Regu lat ...
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Agilent Technologies 667xA - page 29
General Inform ation 29 Table 1-3b. Supplemental Characteristics for Series 667xA (continued) 1 Parameter A ll Models Digital Port Ch aracteristics ( s ee T a b l e 1 - 6 ) GPIB Interface Capabilities ( s ee T a b l e 1 - 6 ) Serial Link Capabilities ( s ee T a b l e 1 - 6 ) Recom m ended Calibration Interval: 1 year Safety Com pliance Com plies wi ...
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Agilent Technologies 667xA - page 30
General Inform ation 30 Table 1-3b. Supplemental Characteristics for Series 667xA (continued) 1 Parameter A ll Models Output Impedance Curves (Typical): Notes: l For Performance Specif ications, s ee Table l-3a. ...
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Agilent Technologies 667xA - page 31
General Inform ation 31 Table 1- 4a. Performance Sp ecifications f or Series 668xA 1 Parameter A g ilent M odel Number 6680A 6681A 6682A 6683A 6684A Output Rat ings Voltage: 0 - 5 V 0 - 8 V 0- 21 V 0 - 32 V 0 - 40 V Current:* 0 - 875 A 0 - 580 A 0 - 240 A 0 - 160 A 0 - 128 A *Derated lin early 1%/ ° C from 40 ° C to 55 ° C Program m ing Accuracy ...
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Agilent Technologies 667xA - page 32
General Inform ation 32 Table 1-4b. Supplemental Characteristics for Series 668xA 1 Parameter A gilent M odel Number 6680A 6681A 6682A 6683A 6684A Ripple & Noise (fro m 20 Hz to 2 0 MH z with outp uts ungro unded , o r with eithe r out put te rminal gr ounde d) Constant Current:** rms ** With load inductance > 5 µ H. 290 mA 190 mA 40 mA 28 ...
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Agilent Technologies 667xA - page 33
General Inform ation 33 Table 1-4b. Supplemental Characteristics for Series 668xA (continued) 1 Parameter A gilent Model Number 6680A 6681A 6682A 6683A 6684A Rem ote Sensing Capability Voltage Drop Per Le ad: Load Voltage: Up to 1/2 of rat ed outpu t voltage. Subtract voltage drop in load leads from specif ied output volta ge ra ting. Load Regu lat ...
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Agilent Technologies 667xA - page 34
General Inform ation 34 Table 1-4b. Supplemental Characteristics for Series 668xA (continued) 1 Parameter A ll Models Comm and Pr ocessing Time (A verage tim e for output voltage to ch ange af ter receipt of digital data w hen the su pply is connected directly to the GPIB B us): 20 m s Monotonicity: Output is m o notonic over entire rated voltage, ...
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Agilent Technologies 667xA - page 35
General Inform ation 35 Table 1-4b. Supplemental Characteristics for Series 668xA (continued) 1 Parameter A ll Models Output Impedance Curves (Typical): OUTPUT I MPEDANCE ( MILLIOHMS) 100 1K 10K 20 10 5 2.5 1.25 0.625 0.312 0.156 0.078 0.039 0.01 95 50K 30 Agilent 6680A FREQUENC Y (HZ) * ** CV MOD E CC MOD E 1K 10K 20 10 5 2.5 1.25 0.625 0.312 0.15 ...
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Agilent Technologies 667xA - page 36
General Inform ation 36 Table 1- 5a. Performance Sp ecifications f or Series 669xA 1 Parameter A g ilent M odel Number 6690A 6691A 6692A Output Rat ings Voltage: 0 - 15 V 0 - 30 V 0- 60 V Current:* 0 - 440 A 0 - 220 A 0 – 110 A *Derated lin early 1%/ ° C from 40 ° C to 55 ° C Program m ing Accuracy (@ 25 ± 5 °C ) Voltage: 0.04% + 15 m V 30 m ...
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Agilent Technologies 667xA - page 37
General Inform ation 37 Table 1-5b. Supplemental Characteristics for Series 669xA 1 Parameter A gilent M odel Number 6690A 6691A 6692A Ripple & Noise (fro m 20 Hz to 2 0 MH z with outp uts ungro unded , o r with eithe r out put te rminal gr ounde d) Constant Current:** rms ** With load inductance > 5 µ H. 200 mA 50 mA 30 mA Output Prog ramm ...
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Agilent Technologies 667xA - page 38
General Inform ation 38 Table 1-5b. Supplemental Characteristics for Series 669xA (continued) 1 Parameter A gilent Model Number 6690A 6691A 6692A Rem ote Sensing Capability Voltage Drop Per Le ad: Load Voltage: Up to 1/2 of rat ed outpu t voltage. Subtract voltage drop in load leads from specif ied output volta ge ra ting. Load Regu lation: Degrada ...
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Agilent Technologies 667xA - page 39
General Inform ation 39 Table 1-5b. Supplemental Characteristics for Series 669xA (continued) 1 Parameter A ll Models Comm and Pr ocessing Time (A verage tim e for output voltage to ch ange af ter receipt of digital data w hen the su pply is connected directly to the GPIB B us): 20 m s Monotonicity: Output is m o notonic over entire rated voltage, ...
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Agilent Technologies 667xA - page 40
General Information 40 Table 1-5b. Supplemental Characteristics for Series 669xA (continued) 1 Parameter All Models Output Impedance Curves (Typical): Agilent 6690A 0.01 0.1 1 10 100 1000 10 100 1000 10000 100000 Frequency (in Hz) Magnitude (in milliohms) CC mode CV mode * ** Agilent 6691A Frequency (in Hz) Magnitude (in milliohms) CC mode CV mode ...
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Agilent Technologies 667xA - page 41
General Inform ation 41 Table 1-6. Supplemental GPIB Char acteristics for A ll M odels - Parameter A ll M odels Digital Port Ch aracteristics Maximu m ratings: 16.5Vdc betw een termi nals 1& 2; 3&4; and from 1 or 2 to chassis ground FLT/I NH Operation FLT/IN H Term inals 1 & 2: I ol (low -level ou tput current) V ol (lo w-level out put ...
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Agilent Technologies 667xA - page 42
General Inform ation 42 Table 1- 7. Operato r Replaceable Parts List (cont inued) Description (Unless otherwise specified, parts apply to all m odels.) A gilent Part No. Fuse s, Series 664xA M6A 250V (f or 100 Vac lin e voltag e, referen ce design ator F450) M5A 250V (f or 120 Vac lin e voltag e, referen ce design ator F450) M3A 250V (f or 220/230/ ...
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Agilent Technologies 667xA - page 43
Ins tallation 43 2 Installation Inspection Damage When y o u receive y our power su pply, in spect it for any obviou s damage that m ay hav e occurred durin g sh ipmen t. If there is damag e, notify the sh ipping carrier and th e nearest A gilent Sal es and Su pport Office im mediately . Warranty in formation i s printed in the front of this gu id ...
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Agilent Technologies 667xA - page 44
Installat ion 44 Table 2-1. Items Supplie d (continued) Output hardware Series 667x A only Output h ardw are (screws w ith nuts an d lockwash ers) for secu ring y our load wires to the outpu t bus bars (see Table 1-6). Guide change page If applicable, chan ge sheets may be included with this g uide. If th ere are change s heets, m ake the indicated ...
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Agilent Technologies 667xA - page 45
Ins tallation 45 Input Pow er Source Refer to the applicable paragraphs below for in formation on the input pow er so urce. Do not apply pow er to the power supply until directed to do so in Chapter 3. Check th e line RATING label on th e rear of your su pply and verif y th at the voltage show n there corresponds to the nominal lin e voltage of y o ...
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Agilent Technologies 667xA - page 46
Installat ion 46 The power cord s upplied w ith power su pply may or may not inclu de a power plu g (see "Options" in Chapter l) at one en d of the cord. Termin ating conn ections and a ground lu g are attached to th e other end of the cord. See Figure 2- 2 and proceed as follow s: 1. If they are not already in place, position the strain ...
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Agilent Technologies 667xA - page 47
Ins tallation 47 Installing the Series 668xA Power Cord The Series 668x A pow er supply requires a 3-phas e power source t hat provi des 7350 VA (6000 W) ma xim um. The su pply has a delta input (no neu tral connection) and w ill accept p ower f rom either delta (triang le) or wy e (star) sources. T wo voltage rang es are available (see "A C I ...
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Agilent Technologies 667xA - page 48
Installation 48 Figure 2 - 5. Connecting the Series 668xA Power Cord Installing the Series 669xA Power Cord The Series 66 9xA power supply requires a 3 - phase power source that provides 9000 VA (7950 W) maximum. The supply has a delta input (no neutral connection) and will accept power from either delta (triangle) or wye (star) sources. Two voltag ...
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Agilent Technologies 667xA - page 49
Installation 49 3. Tighten the screws securing the clamp . 4. Insert the line cord with the cable clamp into one of the two openings on the safety cover. (The figure shows the line cord installed in the bottom opening.) Tighten the cable clamp to the safety cover. 5. Remove the insulation from the pre - striped end of the three ac lines. Secure the ...
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Agilent Technologies 667xA - page 50
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Agilent Technologies 667xA - page 51
Turn-On Check out 51 3 Turn-On Checkout Note This chapter pro vides a preliminary introduction to the power supply f ront panel. See "Chapter 5 - Front Panel" for more details. Introduction Successf ul tests in this chapter provide a hi gh deg ree of conf idence that th e pow er supply is operating properly. For verification tests, see ? ...
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Agilent Technologies 667xA - page 52
Turn-On Checkout 52 Pow er-On Ch eckout (A ll Models) 1. Connect th e power cord to the pow er source (for Series 668x A & 669xA , turn on the saf ety disconnect sw itch). 2. Turn the front panel power sw itch to ON (1). 3. The power s upply undergoes a self- test w hen you tu rn it on. If the test is norm al, the follow ing sequen ce appears o ...
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Agilent Technologies 667xA - page 53
Turn-On Check out 53 Checking the Voltage Function The tests in Table 3-1 check the basic voltage fu nctions w ith no load connected to th e power supply . T he VOLTS displa y will sh o w v arious readings. Ign ore the AMPS display . Table 3-1. Checking the Voltage Functions (Output Terminals Open) Procedure Display Explanat ion Outpu t Termin als ...
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Agilent Technologies 667xA - page 54
Turn-On Checkout 54 Checking the Current Function ENERGY HAZARD . Som e supplies (Series 668x A/669xA) can provide more th an 240 VA at m ore than 2 V. If th e output connections touch , severe arcing m ay occur resulting in burns, ig nition or welding of parts. Do not attempt to mak e connections w hile the output is live. The tests in Table 3-2 c ...
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Agilent Technologies 667xA - page 55
Turn-On Check out 55 Table 3-2. Checking the Current Functions (Output T erminals Shorted) (continued) A ction Display Explanation Pre ss AMPS 0.000 Dis annunciat or t urns on. Pre ss You hav e disabled the overcu rrent protection circuit. The OCP annuncia tor turns o ff. Pre ss ( )** You hav e cleared the overcurren t protection circuit. The Prot ...
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Agilent Technologies 667xA - page 56
Turn-On Checkout 56 Series 669xA supplies, if the Red indicator appears in the f use win dow on the rear pan el, then on e or more of the line fuses are open. If th e supply has a defective fu se, replace it only once. If it fails again , investig ate the reason for the fai lure. Proceed as follow s: Series 664xA and 665xA Supplies The line fus e i ...
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Agilent Technologies 667xA - page 57
Turn-On Check out 57 Series 668xA Supplies The line fus es are located on the rear pan el (see Figure 2-5). Proceed as follow s: l. Turn of f th e front pan el power sw itch and rem ove the in put pow er (unplug the power cord or open the sa fety disconnect). 2. Rem ove the ac inpu t safety cover f rom the rear panel. 3. Unscr ew the fuse cap s and ...
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Agilent Technologies 667xA - page 58
Turn-On Checkout 58 Tabl e 3-3. Pow er-On Selftest Erro rs Error No. Display Failed Test Erro r No. Display Failed Test El FP RAM Front Panel RAM E8 SEC RAM Secondary RAM E2 FP ROM Front Panel ROM checksu m E9 SEC ROM Secondary R OM checksum E3 EE CHKSUM EEPROM E10 SEC 5V Secondary 5 V ADC reading E4 PRI XRAM P rimary external RAM Ell TEM P Seconda ...
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Agilent Technologies 667xA - page 59
User Connections 59 4 User Connectio ns Rear Panel Connections (All Model s) Make application load con nections to th e output termin als or bus bars , analog con nector, and dig ital connector as show n on the rear-panel draw ing for y our model pow er supply. These con nections are org anized by series as follow s: Series 664x A and 665xA ...
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Agilent Technologies 667xA - page 60
User Connections 60 A nalog Connector (A l l M odels) This connector, w hich is on th e rear panel, is for con necting remote sen se leads, external current m onitors, and external program ming s ources. The conn ector accepts w ires sizes from AWG 22 to AWG 12. Insert Wires Agilent S eries 664xA & 665xA IP Current prog rammi ng in put. VP ...
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Agilent Technologies 667xA - page 61
User Connections 61 Connecting Seri es 664xA and 665xA Power Suppl ies to the Load Output Safety Co ver + Outpu t Terminal - Output Term inal Signal Co mm on O utput Sense Switch Analog Connector Figure 4-3a. Series 664xA and 665xA Rear P anel Output Connections Output Isolation The output of the pow er supply is is olated f ...
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Agilent Technologies 667xA - page 62
User Connections 62 Series 664xA/665xA Power Supplies, Maxim um OVP External Capacitance ( µ µ µ µ F) 6641A 6642A 6643A 6644A 6645A 6651A 6652A 6653A 6654A 6655A 700,000 35,000 15,000 7,000 3,000 1.6 (F) 100,000 50,000 18,000 8,000 If a load capacitance approach es the specifi ed limit, it is recomm ended that you do n o t mak e it a norm al pr ...
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Agilent Technologies 667xA - page 63
User Connections 63 Note If the sense term inals are left unconnected, the v oltage at the bus bars w ill increase app roximately 3 to 5% over the prog ramm ed value. Since it is m easured at the sense term inals, the voltage readback w ill not reflect this in creased output. Remote Voltage Sensing The dashed lines in the w iring diagrams illustrat ...
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Agilent Technologies 667xA - page 64
User Connections 64 Stability Using re mote sensi ng under unusual co mbinatio ns of lo ad -lead lengths a nd la rge lo ad c apa cita nces may cause your application to form a low-pass filter that becom es part of the voltage f eedback loop. T he extra phas e shif t created by th is filter can deg rade the supply 's stability and result in poo ...
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Agilent Technologies 667xA - page 65
User Connections 65 c Load Conn ection d Lo ad s e Analog Connector A Set sw itch for local o r (optio nal) remote sensing B Connect for remote sensing (optional) Figure 4-3c. Series 664xA and 665xA Multiple Load Connection (Remote Sensing Optional) Connecting Supplies in A uto-Parallel Auto-Par a llel Wiring. Figure 4-3d illustrates how pow er sup ...
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Agilent Technologies 667xA - page 66
User Connections 66 Auto-Parallel Program m ing. Pr ogram only the output current of the f irst (" master") supply in the series; th e "slave" supplies automatically track the master's output. Program the output cu rrent of the slav e supplies to zero. However, the voltage and OVP settings of the slav e supplies must be set ...
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Agilent Technologies 667xA - page 67
User Connections 67 Connecting Supplies in Series Floating voltages mu st not exceed ± 240 Vdc. N o output term inal m ay be m ore than 240 V from chassis gro und. Figure 4 -3f shows how power sup plie s can b e co nnecte d in ser ies fo r highe r volt age o utput. Series connection s are straightforw ard in this case. Program each power su pply i ...
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Agilent Technologies 667xA - page 68
User Connections 68 Analog connector l=Vo ltage pr ogra mming source 0 to --5 V 2=Cur re nt pr ogra mming source 0 to --5 V Figure 4-3g. Series 664xA and 665xA A nalog Programming Connections If you cannot avoid capacitive co upling, it may help to place capacito rs from the unused progra mm ing inp uts to ground . Especially w ith auto-paralle ...
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Agilent Technologies 667xA - page 69
User Connections 69 Output Safety Co ver Analog Conn ector -Ou tput Bus Bar -Local Sen se Terminal + Local Sense Terminal + Output Bus Ba r Signal Co mm on L ocal Sense Jum p ers Rear Knoc kouts Bo ttom Kno ckout A In sert screw driver blade in slot and pry out B Bend along j oint an d break off WARNING DO NO ...
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Agilent Technologies 667xA - page 70
User Connections 70 Q= L 1 RC xt int e R + w here: C = m odel-dependent internal capacitan ce (see below); L = in ductance of the load; Rext = equivalen t series resistan ce of the load; R int = model- dependent internal resistan ce (see below): 6671A 6672A 6673A 6674A 6675A C= 44,000 µ F 44,000 µ F 12,000 µ F 7,000 µ F 2,100 µ F R int = 1.8 m ...
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Agilent Technologies 667xA - page 71
User Connections 71 Connectin g the Sense L eads You mu st co nnect the positive side of th e load to the +S analog connector pin and the n egative side of the load to the -S analog con nector pin (see Fig ure 4-1). Connect th e sense leads carefully so that they do not becom e open-circu ited. If sen se leads are left open during operation, the su ...
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Agilent Technologies 667xA - page 72
User Connections 72 Load Leads Rem o te Sense Points Cl, C2 = 33 µ F C3 = Load by pass capacitor R1, R2 = 20 Ω , 1% Figure 4-4b . Series 667xA Sen se Lead Bypass Netw ork Connecting One Pow er Supply to a Single Load Figu r e 4-4c sh ow s how to con nect a singl e pow er supply to one load. Keep outpu t load leads close togeth er (small ...
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Agilent Technologies 667xA - page 73
User Connections 73 Loa ds Load Conn ection Analog Connector A Connect for r emote se nsing (o pti onal) B Connect f o r local sensin g (default) Figure 4-4d . Series 667x A Multiple Load Connection (Remote Sensing Optiona l) Connecting Supplies in A uto-Parallel Auto-Parallel Wiring (Figure 4-4e). Figure 4-4e illustrates h ow pow er su ...
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Agilent Technologies 667xA - page 74
User Connections 74 Auto-Parallel Program m ing. Pr ogram only th e output current of the first ("m aster") supply in the series; th e "slave" supplies automatically track the master' s output. Pro gram the output curren t of the slave su pplies to zero. However, the voltage and OVP settings of th e slave supplies m ust be ...
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Agilent Technologies 667xA - page 75
User Connections 75 External Voltage Control The setup show n in Figu re 4-4g allow s an extern al dc voltage to program th e power supply o utput. A voltage applied to the voltage program mi ng inpu t programs th e o utput voltage an d a voltage applied to the current program ming in put program s the outpu t current. See Fig ure 4-1 for an explan ...
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Agilent Technologies 667xA - page 76
User Connections 76 Connecting Seri es 668xA and 669xA Power Suppl ies to the Load ENERGY HAZARD . These pow er supplies can provi de more t han 240 VA at more than 2 V. If the output connections touch, severe arcing m ay occur resu lting in bu rns, ignition or welding of parts. Do not attempt to m ake connections to live output circuits. An al ...
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Agilent Technologies 667xA - page 77
User Connections 77 Inductive Loads Inductiv e loads present n o loop stability problem s in CV mode. In CC mode, indu ctive loads will f orm a parallel res onance w ith the pow er supply 's ou tput capacitor, poss ibly causin g curren t ringin g in the load. For a giv en indu ctance, the pow er supply 's CC con trol loop can be m ade to ...
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Agilent Technologies 667xA - page 78
User Connections 78 OVP Consider ations The power s upply OVP circuit sens es voltage n ear the outpu t bus bars, n o t at the load. Therefore the s ignal s ensed by the OVP circ uit ca n be si gnifica ntly higher t han the a ctual volta ge at the lo ad. When usi ng remote sensing, you must pr ogr am the OVP trip volt age high e nough to co mpensat ...
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Agilent Technologies 667xA - page 79
User Connections 79 Connecting One Pow er Supply to a Single Load Figu r e 4-5c sh ow s how to con nect a singl e pow er supply to one load. Keep outpu t load leads close togeth er (small loop area) to obtain a low inductance and low impedance con nection to th e load. If y o u w ish to use rem ote sensing, conn ect the sense leads at the load as s ...
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Agilent Technologies 667xA - page 80
User Connections 80 Connecting Supplies in A uto-Parallel Note Refer to Appendix F f or more inf o rmation about auto-parallel operation. Auto-Parallel Wiring (Figure 4-5e). Figure 4- 5e shows how power supplies can be auto- p aralleled for increased cu rrent outp ut. Up to t hree sup pli es can b e co nnect ed fo r auto -pa rall el op er atio n. U ...
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Agilent Technologies 667xA - page 81
User Connections 81 Connecting Supplies in Series Floating voltag es m ust not exceed ± 60 Vdc. No outpu t term inal may be more th an 60 V f rom ch assis ground . Figure 4-5f illu strates how power supplies can be conn ected in series for increased voltage capability . Series connections are straigh tforw ard in this case. Program each power supp ...
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Agilent Technologies 667xA - page 82
User Connections 82 External Voltage Control The setup s how n in Fig ure 4-5g allows an extern al dc voltag e to program th e power suppl y ou tput. A zero-to- full scale voltag e applied to th e voltage program ming input produces a proportional zero- to-full s cale outpu t volta ge. The volt age pro gra mm ing sour ce is r efer ence d to the p r ...
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Agilent Technologies 667xA - page 83
User Connections 83 Controll er Connections Figure 4- 6 show s two bas ic way s of con necting your pow er supply to a controller. They are "link ed" and "stand-alon e confi gurati ons. Stand-A lone Connections See Fig ure 4-6A . Each stand- alone pow er supply has its ow n GPIB bus address . Stand- alone power s upplies m ay be conn ...
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Agilent Technologies 667xA - page 84
User Connections 84 A B From 1 to 16 direct s upplies m ay be conn ected to 1 controller GPIB interf ace. Ti ghten co nnect or t humbscrews by hand. Do no t use a scre wdriver . Do not stack m ore than 3 connectors on a GPIB receptacle. GPIB cable (see Accessories in C hapter 1) From 1 to 15 linked su pplies m ay be con ...
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Agilent Technologies 667xA - page 85
Front Panel Op eration 85 5 Front Panel Oper ation Introduction This chapter shows y ou how to operate the front panel. It is assu med th at you are f amiliar w ith the turn- o n checkout procedure in C hapter 3. That chapter descri bes how to perform basic pow er supply fu nction s from the control pan el. operations that y ou can perform are: ■ ...
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Agilent Technologies 667xA - page 86
Front Panel Operation 86 Figure 5-1. Front P anel Controls and Indicators Table 5- 1. Front Pan el Controls an d Indicato rs (see Figure 5- 1) Control or Indicator Function or Indication Displ ay VOLTS Show s present outpu t volt age of the pow er supply . AMPS Show s present outpu t curren t of th e power suppl y. Status Annunciato ...
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Agilent Technologies 667xA - page 87
Front Panel Op eration 87 Table 5-1. Front Pane l Controls and Indicator s (continued) Output Rota ry Controls Voltage Rotate clockw ise to increase output voltage or program setting. Use to rapidly set an approximate output value (see and keys). Current Rotate clockw ise to increase output current or prog ram setting. Us e to rapid ...
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Agilent Technologies 667xA - page 88
Front Panel Operation 88 Table 5-1. Front Pane l Controls and Indicator s (continued) ENTRY Keys (cont inued) thru Press to select nu merical v alues . Pre ss to e nter a minus sign. Press to delete the last keypad entry . Use this key to remove one or more incorrect digits bef ore they are entered. 3 These four en try k eys operate ...
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Agilent Technologies 667xA - page 89
Front Panel Op eration 89 Figure 5-2. Typic al Power Supply Operating Curve Programming Voltage To program th e output f or 4.5 volts, proceed as follow s: ■ Pre ss . T he display w ill change from meter m ode to indicate VOLTS . ■ Pre ss . If y o u discov er a m istake bef ore pressing , erase the incorrect v alue with th e backspace key . ■ ...
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Agilent Technologies 667xA - page 90
Front Panel Operation 90 Checking OVP O peration Assum ing the above operating conditions (v oltage programm ed to 4 .5 V and OVP pro gram med to 4.8 V), trip the OVP circuit as follow s: ■ Gradually increase the output v oltage by pressing until the OVP circuit trips. This will cau se the output voltag e to drop to zero and t he Prot annunciato ...
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Agilent Technologies 667xA - page 91
Front Panel Op eration 91 Programming Overcurrent Protection When en abled, overcurren t protection rem oves the pow er supply outpu t when ever it goes in to CC operation . This prevents the supply from in definitely supp lyin g the f ull programm ed current to the load. Setting The OCP Pr otection To activate overcurrent protection , press . T he ...
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Agilent Technologies 667xA - page 92
Front Panel Operation 92 Unregulated Operation If the pow er supply goes into a m ode of operation that is neither CV n o r CC, the Unr a nnunciator will light. An unregulated condition limits th e output current to a value that is safe f o r the power su pply. Som e unregu lated states occur so briefly that they do not turn on the Unr annuncia tor ...
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Agilent Technologies 667xA - page 93
Front Panel Op eration 93 Whenev er you w ish, y ou can return th e pow er supply to the original factory reset state. To do this, sim ply h old dow n the key w hen y ou turn on th e supply . T he display in dicates RST POWER-ON to verify that the pow er supply has con figu red its turn-on state to the original reset state. From now on it w ill con ...
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Agilent Technologies 667xA - page 94
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Agilent Technologies 667xA - page 95
Calibrati on 95 A Calibration Introduction The power s upply m ay be calibrated either from the front panel or f r om a con troller over the GPIB. The procedures giv en here apply to all m od els. Important These instru ctions do n ot include verif ication procedures. If y o u need to perf orm v erification as a erequisite to or as part of y our ca ...
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Agilent Technologies 667xA - page 96
Calibration 96 • Ov ervoltage protection (OVP). • Output cur rent . • Ou tput curren t readback. • C urrent m onitor input I M (Series 668x A/669xA only ). You do not ha ve to do a com p lete calibration each tim e. If appropriate, you m ay calibrate only the voltage or curren t and proceed to "Saving th e Calibration Constan ts". ...
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Agilent Technologies 667xA - page 97
Calibrati on 97 Figure A -1. Calibration Test Setup c) Series 668xA /669xA Setup ...
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Agilent Technologies 667xA - page 98
Calibration 98 Table A - 2. Typical Fr ont Panel Calibra tion Procedure A ction Display Response Enabling the Calibratio n Mode 1. B egin c alib rat ion b y pressing . 2. Enter calibrat ion pass w ord from Entry k ey pad. If passw ord is correct the Cal annunciator will come on. If passw ord is incorrect, an error occu rs 2 . Note: The initial (fac ...
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Agilent Technologies 667xA - page 99
Calibrati on 99 Table A -2. T ypical Fr ont Panel Calibr ation Proce dure (continued) A ction Display Response Calibrating Current Monitor (I M ) (Series 668xA /669xA On ly ) If you perform this calibration, then you must recalibrate the current output. 1. Ma ke ce rtai n the ap pro pri ate shunt resist or ( see T ab le A-1) i s the onl y load o n ...
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Agilent Technologies 667xA - page 100
Calibration 100 Calibratio n Ov er the GPIB You can calibrate th e pow er supply by usin g SCPI com mands w ithin you r controller program ming statements. Be s ure y o u are fam iliar w ith calibration from the front panel before you calibrate f rom a controller. The SCPI calibration comm ands are related to the front panel calibration controls as ...
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Agilent Technologies 667xA - page 101
Calibrati on 101 CA L:CURR: MON (Series 668xA /669xA only ) This comm and sets the power supply to the current m onitor (I MON ) calibration point that is then en tered with CAL:CURR[:DATA]. The output curr ent must be calibrated af ter CAL:CURR:MON is perf ormed. Comm and Syntax CALibrate:CURRent:MONito r Param eters <NRf+> Exam ples CAL: CU ...
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Agilent Technologies 667xA - page 102
Calibration 102 CA L: VOLT This comm and is used to calibrate the output voltage. The comm and enters voltage value th at you obtain from an external meter. (If you are entering th e voltage value, allow tim e for the DVM to stabilize.) You must f irst select a calib ration level (CAL:VOLT: LEV) for the value bein g entered. Two succes sive v alues ...
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Agilent Technologies 667xA - page 103
Calibrati on 103 10 ! Ag ilent BASIC Calibration Program 20 ! 30 DIM Resp$ [255],Err_m sg$[255] 40 ! 50 Volt_cal: ! Voltage DAC calibration 60 Err_foun d=0 70 PRINT TABXY(5, 10)," CONNECT I NSTRUMENT S AS SHOWN IN FIG. A-1(1). Then Press Co ntinue" 80 PAUS E 90 CLEAR SCREE N 100 ! 110 ! Assi gn pow er supply GPIB address 120 ! 130 ASSIGN ...
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Agilent Technologies 667xA - page 104
Calibration 104 540 Password i s option al - on ly required if set to non- zero value 550 Default pas sw ord is four- digit m odel nu m ber 560 ! 570 ! LINE 590 PA SSWOR D MUST BE EDITED FOR MOD EL OTHER T HAN 6680 580 ! 590 OUTPUT @Ps;"CA L:S TATE ON, 6680" 600 OUTPUT @Ps;"VOL T :LEV 2" 610 ! Refer to Table A -1 f or correct s ...
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Agilent Technologies 667xA - page 105
Operation Verification 105 B Operation Verification Introduction This appendix provides op eration verification test procedures. The tests do not check all the operating param eters, b ut verify that the pow er supply is perf ormi ng properly . T he required test equipm ent and acceptable test results are specified in tables at the end of this appe ...
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Agilent Technologies 667xA - page 106
Operation Verification 106 Figure B-1. Verif ication T est Setup c) Series 668xA /669xA Setup ...
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Agilent Technologies 667xA - page 107
Operation Verification 107 Performing the Tests General Measurement Techniques Figure B- 1 show s the setup f or the tests. Be certain to use load leads of suf ficient w ire gaug e to carry the outpu t current (s e e Table 4-1). To avoid noise pickup, u se coaxial cable or sh ielded pairs for the test leads. Programming the Pow er Supply Table 1-lb ...
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Agilent Technologies 667xA - page 108
Operation Verification 108 Current Programming and Readback A ccuracy This test verif ies that th e current prog rammin g and readback are w ithin specification. Con nect the appropriate cu rrent mon itoring res istor (see Table B-1) as show n in Figure B- 1(2). T he accuracy of the res istor m ust be as specified in the table. Table B- 3. Current ...
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Agilent Technologies 667xA - page 109
Operation Verification 109 Table B- 4. Operatio n Verificatio n Test Parameters for Series 664xA Test Descrip tion M inimum Spec Results * M aximum Spec Measu rement Uncertainty MODEL Agil ent 6641A Voltage Program ming and Readback Low Vo ltage (0 V) V out -5 m V ____________ mV + 5 mV 2.0 µ V Front Pan el Display Readback Vout - 6 .0 m V _______ ...
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Agilent Technologies 667xA - page 110
Operation Verification 110 Table B- 4. Operatio n Verificatio n Test Parameters for Series 664xA (continued ) Test Descrip tion M inimum Spec Results * M aximum Spec Measu rement Uncertainty MODEL Agil ent 6645A Voltage Program ming and Readback Low Vo ltage (0 V) V out - 51 m V ____________ mV + 51 mV 2.0 µ V Front Pan el Display Readback Vout -8 ...
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Agilent Technologies 667xA - page 111
Operation Verification 111 Table B- 5. Operatio n Verificatio n Test Parameters for Series 665xA Test Descrip tion M inimum Spec Results * M aximum Spec Measu rement Uncertainty MODEL Agil ent 6651A Voltage Program ming and Readback Low Vo ltage (0 V) V out -5 m V ____________ mV + 5 mV 2.0 µ V Front Pan el Display Readback Vout - 6 .0 m V _______ ...
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Agilent Technologies 667xA - page 112
Operation Verification 112 Table B- 5. Operatio n Verificatio n Test Parameters for Series 665xA (continued ) Test Descrip tion M inimum Spec Results * M aximum Spec Measu rement Uncertainty MODEL Agil ent 6655A Voltage Program ming and Readback Low Vo ltage (0 V) V out - 51 m V ____________ mV + 51 mV 2.0 µ V Front Pan el Display Readback Vout -8 ...
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Agilent Technologies 667xA - page 113
Operation Verification 113 Table B- 6. Operatio n Verificatio n Test Parameters for Series 667xA Test Descrip tion M inimum Spec Results * M aximum Spec Measu rement Uncertainty MODEL Agil ent 6671A Voltage Program ming and Readback Low Vo ltage (0 V) V out -8 m V ____________ mV + 8 mV 1.6 µ V Front Pan el Display Readback Vout -12 m V __________ ...
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Agilent Technologies 667xA - page 114
Operation Verification 114 Table B- 6. Operatio n Verificatio n Test Parameters for Series 667xA (continued ) Test Descrip tion M inimum Spec Results * M aximum Spec Measu rement Uncertainty MODEL Agil ent 6675A Voltage Program ming and Readback Low Vo ltage (0 V) V out - 120 m V ____________ mV + 120 mV 3.0 µ V Front Pan el Display Readback Vout ...
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Agilent Technologies 667xA - page 115
Operation Verification 115 Table B- 7. Operatio n Verificatio n Test Parameters for Series 668xA Test Descrip tion M inimum Spec Results * M aximum Spec Measu rement Uncertainty MODEL Agil ent 6680A Voltage Program ming and Readback Low Vo ltage (0 V) V out - 0.005 V ____________ V + 0.005 V 1.0 µ V Front Pan el Display Readback Vout - 7 .5 m V __ ...
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Agilent Technologies 667xA - page 116
Operation Verification 116 Table B- 7. Operatio n Verificatio n Test Parameters for Series 668xA (continued ) Test Descrip tion M inimum Spec Results * M aximum Spec Measu rement Uncertainty MODEL Agil ent 6684A Voltage Program ming and Readback Low Vo ltage (0 V) V out - 40 m V ____________ mV + 40 mV 2.0 µ V Front Pan el Display Readback Vout -6 ...
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Agilent Technologies 667xA - page 117
Operation Verification 117 Table B- 8. Operatio n Verificatio n Test Parameters for Series 669xA Test Descrip tion M inimum Spec Results * M aximum Spec Measu rement Uncertainty MODEL Agil ent 6690A Voltage Program ming and Readback Low Vo ltage (0 V) V out - 0.015 V ____________ V + 0.015 V 1.0 µ V Front Pan el Display Readback Vout -22.5 m V ___ ...
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Agilent Technologies 667xA - page 118
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Agilent Technologies 667xA - page 119
Line Voltage Conversion 11 9 C Line Voltage Conv er sion Series 664xA and 665xA Pow er Suppli es SHOCK HAZ ARD . Hazardous voltage can rem ain inside the pow er supply even af ter it has been turned of f. This procedure sh ould on ly be done by qualified electron ics service person nel. Line v o ltage conv ersion is accom plished by: ■ Series 664 ...
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Agilent Technologies 667xA - page 120
120 Line Voltage Conv ersion Figure C-2. Series 665xA Line Select Jumpers Series 667xA Power Suppl ies SHOCK HAZ ARD . Hazardous voltage can rem ain inside the pow er supply even af ter it has been turned of f. This procedure sh ould on ly be done by qualified electron ics service person nel. Line v oltage conversion is accomplish ed by settin g a ...
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Agilent Technologies 667xA - page 121
Line Voltage Conversion 12 1 Series 668xA /669xA Pow er Supplies SHOCK HAZ ARD . Hazardous voltage can rem ain inside the pow er supply even af ter it has been turned of f. This procedure sh ould on ly be done by qualified electron ics service person nel. Line v o ltage conv ersion is accom p lished by chang ing jum per cable positions on the ac in ...
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Agilent Technologies 667xA - page 122
122 Line Voltage Conv ersion Figure C-4. Remov ing t he Series 668xA /669xA Inn er Cover Figure C-5. Series 668xA/669xA Line Con version Ju mpers ...
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Agilent Technologies 667xA - page 123
Digital Port Functions 123 D Digital Port Functions Digital Connector A 4- pin con nector an d a quick -discon nect mati ng pl ug are prov ided for digital in put and outpu t sig nals (s ee Figure D-l for w iring con nections , and Table 1-5 in C hapter 1 for electrical characteris tics). T his digital port can be config ured to provide either Faul ...
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Agilent Technologies 667xA - page 124
124 Digital Port Functions In Figure D- 2, the INH input is connected to a sw itch that shorts pin 3 to pin 4 when ever it is necessary to externally d isable the output of th e supply. This w ill activate the remote inhi bit (RI) fault protection circuit, causin g the f ront panel Prot annuncia tor t o co me on. I t also sets the RI event b it in ...
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Agilent Technologies 667xA - page 125
Digital Port Functions 125 GPIB GPIB GPIB Figure D-3. E xamples of FLT Outputs Figure D-4. Digital P ort Configuration Jumper ...
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Agilent Technologies 667xA - page 126
126 Digital Port Functions Changing the Port Confi gurati on As sh ipped from the factory , the digital port is configu red for FLT/INH operation. You can change the conf iguration of the port to op erate as a general-purpose digital in put/output port to control your custom circuitry as show n in Figure D-4. To change t he po rt c onfigur ati on, ...
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Agilent Technologies 667xA - page 127
Digital Port Functions 127 Relay Li nk Operation Relay link operation cannot be u sed with units th at outpu t m ore than 50 amps . (Som e 667xA series uni ts; all 668xA and 669xA series un its.) The digital port can be con figu red to provide relay control outputs f or the A gilent 59510A or 59511A Relay Access o ry. Refer to Figur e D-1 for t he ...
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Agilent Technologies 667xA - page 128
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Agilent Technologies 667xA - page 129
Current Loop Com pensation (Series 668xA Only) 129 E Current Loop Compensation (Series 668xA Only) Introduction This secti on describes how you m ay use cu rrent loop compen sation to optim ize for inductiv e loads or for fast C V/CC m ode crossover. A 7-position com p ensation sw itch for this purpose is located under the cover on the rear of the ...
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Agilent Technologies 667xA - page 130
130 Current Loop Com pensation (Series 668xA Only) For exam ple, examin e Figure E-l f or the Model 6680A/6681A . T he chart s how s that a load com prised of about 1 millih enry indu ctance and 100 m icro ohms resistan ce (see point ) requires sw itch setting 9 (only sw itch 3 closed) to obtain 10% overshoot. If the load resistance is increased to ...
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Agilent Technologies 667xA - page 131
Current Loop Com pensation (Series 668xA Only) 131 Figure E-1. CC Loop Compensation Curves For M odels 6682A and 6683A ...
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Agilent Technologies 667xA - page 132
132 Current Loop Com pensation (Series 668xA Only) Figure E-1. CC Loop Compensation Curves For M odel 6684A Setting the Loop Compensation Sw itch SHOCK/ENE RGY HAZ ARD . This procedure involv es rem oving the outs ide cover and s hould on ly be done by qualified electron ics serv ice personnel. 1. Turn off the pow er switch an d disconnect the pow ...
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Agilent Technologies 667xA - page 133
Using Agilent 668xA/669xA Series Power Supplies in Autoparallel 133 F Using A gilent 668xA /669xA Series Pow er Supplies in A utoparallel Introduction This inform ation is supplem entary to the inform ation in chapter 4. A m axim um of three Ag ilent 668xA /669xA series power suppl ies h avin g th e same model number, may be co nfigure d fo r autop ...
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Agilent Technologies 667xA - page 134
134 Using Agilent 668xA Series Power Supplies in Autoparallel Exam ple: 1 mast er uni t, 2 slav e unit s, A gilen t Models 6680A (5V, 875A ) Iout = Im ( 3.0508 ) - 44.4A The mas ter curren t lim it mu st be set above 44.4A /3.0508 = 14.55A to obtain any ou tput current. For a no- load condition: Master cu rrent =14.55A Each slav e current = -14.55A ...
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Agilent Technologies 667xA - page 135
Ouptut Bu s Bar Opti ons 135 G Output Bus Bar Options Option 601 Installation WA RNING ENERGY H AZARD . T he Series 668xA/669x A power supplies can provide m o re than 240 VA at m ore than 2 V. If the output connections touch, severe arcing m ay occur resulting in burns, ignition or welding of parts. Do no t attemp t to mak e co nnections while the ...
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Agilent Technologies 667xA - page 136
136 Output Bu s Bar Option s Option 602 Installation WA RNING ENERGY H AZARD . T he Series 668xA/669x A power supplies can provide m o re than 240 VA at m ore than 2 V. If the output connections touch, severe arcing m ay occur resulting in burns, ignition or welding of parts. Do no t attemp t to mak e co nnections while the output is live. The Opti ...
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Agilent Technologies 667xA - page 137
Inde x 137 Index —A— ac disc onnect s witc h, 47, 48 accessories, 1 3 air clearence, 4 4 air f low, 44, 52 analog connec tor, 43 analog port, 60 characteristi cs. See Supplem ental Characteris tics connect or conf iguration, 60 signals, 60 analog program ming . See externa l voltage control annunciator , 86 Addr, 86 Cal, 86 CC, 53, 86 CV, 52, 5 ...
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Agilent Technologies 667xA - page 138
138 Inde x —E— energy hazard, 5 4, 7 6, 90 , 95 , 108, 132 error messages calibra tion, 99 checksum, 58 powe r-on, 57 run-tim e, 58 selftest, 57 system . See Progra mm ing Guide externa l voltag e control, 14 664xA and 665xA, 67 667xA , 75 668xA and 669xA, 82 capac itive c oupling, 67 —F— fan, 44, 52, 55 features, 14 fire hazard, 59 FLT out ...
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Agilent Technologies 667xA - page 139
Inde x 139 location, 44 —M— ma nuals, 11, 41 message CAL DENIED, 98 error. See error messag es OC, 91 OUT OF RANG E, 89, 90 PWR ON INIT, 52 RCL 0 PWR-ON, 92 RST POWER-ON, 92 me ter m ode, 52 multiple load connec tions 664xA and 665xA, 65 667xA , 72 668xA and 668xA, 79 —N— nonvolatile m emory , 92 —O— OCP key. See f ront panel k ey s ope ...
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Agilent Technologies 667xA - page 140
140 Inde x Service gui de, 1 3 shock h azard, 119, 120, 121, 126, 132 slide m ount kit, 13 specif ications, 15 664xA , 16 665xA , 21 667xA , 26 668xA , 31 669xA , 36 support rails , 44 switch CC loop com pensation (668xA ), 129, 132 line sele ct for 664xA and 665xA, 119 line sele ct for 667xA , 120 local s ense (664xA /665xA), 51 local s ense , 664 ...
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Agilent Technologies 667xA - page 141
A gilent Sales and Support Offices For more in form ation about Agilen t Technologies tes t and measu remen t products, application s, services , and for a cu rrent sa l e s o f fi c e l i s t i ng , v i s it o ur we b sit e : h t t p : / / www. a gi l e n t . c o m/ f i nd / t md ir You can also con tact one of th e following centers an d ask for ...
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Agilent Technologies 667xA - page 142
Manual Updates The following updates have been made to this manual since the original print date. 3/01/02 All references to the front panel C heck Fuses LED on series 668xA have been removed. 5/01/02 Additional information has been added about Power Cord options. The CC rms noise specification for series 668xA and 669xA is categorized as a suppleme ...
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