Hp 6627A Manuale Utente Pagina 1

1OPERATING MANUALSYSTEMDC POWER SUPPLIESHP MODELS 6621A, 6622A,6623A, 6624A, and 6627AHP Part No 5957-6377HP Model 6621A, Serials 3213A-01681 and Abov

Programming with a Series 200/300 Computer100a serial poll to determine on which output the overvoltage occurred. Note that this example assumes that

Programming with a Series 200/300 Co

Programming with a Series 200/300 Computer102LINE 10: Assigns the I/O path name to the power supply.LINE 20: Declare a common block for the I/O path n

Programming with a Series 200/300 Co

Programming with a Series 200/300 Computer104LINE 10: Assigns the I/O pathname to the power supply.LINE 20,30: Enter the operating voltage and current

Command Summary106Table C-l. Command Summary (continued)Command DescriptionDSP? Queries the present status of the display (see page 78). Response is e

Command Summary108Table C-l. Command Summary (continued)Command DescriptionSRQ? Queries the present setting of the reasons for issuing an SRQ (see pag

Error Codes and M

General Information 111General InformationIntroductionThis chapter contains a general description of your power supply, as well as its performance

Error Codes and Messages110Table D-2. ERROR ResponsesError Code(ERR? query)Message(ERR key)Explanation0 NO ERROR Indicates there are no errors.1 INVA

Error Codes and M

Manua

Addendum114ADDENDUMI. Generally Applicable AnnotationsConsistent with good engineering practice, leads attached to customer accessible signal/

HP Sales and Suppo

General Information12Accessories10833A HP-IB cable, 1 m (3.3 ft)10833B HP-IB cable, 2 m (6.6 ft)10833C HP-IB cable, 4 m (13.2 ft)10833D HP-IB

General Information 13Storage and recall of programmed voltage and current values for all outputs.Queries of programmed functions or settings.Outpu

General Information14The HP-IB board also processes measurement and status data received from the output boards. This data may be read backove

General Information 15SpecificationsTable 1-2 lists the performance specifications for the HP 662xA power supplies. Performance specifications desc

General Information16Programming resolution: Average programming step size.Current Sinking ( - Current): Each output can sink as well as sourc

General Information 17Table 1-2. SpecificationsPERFORMANCE SPECIFICATIONS (0 to 55°C unless otherwise specified)Outputs: 40 W Low 40 W High 80 W Lo

General Information18Table 1-3. Supplemental CharacteristicsOutputs 40 W Low 40 W High 80 W Low 80 W HighVoltage Voltage Voltage VoltageTemper

General Information 19Table 1-3. Supplemental Characteristics (continued)Outputs 40 W Low 40 W High 80 W Low 80 W HighVoltage Voltage Voltage Volta

2CERTIFICATIONHewlett-Packard Company certifies that this product met its published specifications at time of shipment from the factory.Hewlett-Packar

General Information20Table 1-3. Supplemental Characteristics (continued)Output Impedance:Approximated by a resistance in parallel with an indu

General Information 21Figure 1-4. CV Operation with Capacitive Load, Stability Graph for all Outputs

General Information22Figure 1-5. CC Operation with Inductive Load, Small Signal Stability Graph for HV (0 to 50 V) Outputs

General Information 23Figure 1-6. CC Operation with Inductive Load, Small Signal Stability Graph for LV (0 to 20 V) Outputs

General Information24Figure 1-7. Output Impedance (Typical) Graphs (See Supplemental Characteristics, Table 1-1)

Installation 252InstallationIntroductionThis ch

Installation26Figure 2-1. Outline DiagramInput Power RequirementsYou can operate this power supply from a nominal 100 V, 120 V, 220 V or 240 V single

Installation 27Figure 2-2. Rear Panel Detail (6

Installation28Power CordThe power supply is shipped from the factory with a power cord that has a plug appropriate for your location. Figure 2-4shows

Installation 29FIRE HAZARD Make sure the replac

3SAFETY SUMMARYThe following general safety precautions must be observed during all phases of operation, service, and repair of thisinstrument. Failur

Getting Started 313Getting StartedIntro

Getting Started32 • The proper fuse is installed and the line cord is plugged in.If you have any questions concerning installation or power requireme

Getting Started 33Table 3-1. Controls a

Getting Started34Table 3-1. Controls and Indicators (continued)Number Controls/lndicators Description Page7Output Control Keys(These twelve keys areou

Getting Started 35Table 3-1. Controls a

Getting Started36Figure 3-4. Typical Display at Power-OnSelf-Test ErrorsIf the supply fails the power-on self-test, all power supply outputs will rema

Getting Started 37Voltage Test1. Set th

Getting Started386. Check that the display reads approximately 0 volts and the minimum current limit value (0.05 to 0.13A dependingupon the model and

Getting Started 39OUTPUTThe HP BASIC la

4SAFETY SUMMARY (continued)GENERALAny LEDs used in this product are Class 1 LEDs as per IEC 825-1.ENVIRONMENTAL CONDITIONSThis instrument is intended

Getting Started40Getting Data From The SupplyThe supply is capable of measuring the values of its output parameters in response to queries. In this ex

Getting Started 41To set the voltage of

Getting Started42Overcurrent Protection. The output will go to the off state (0 volts and min. current) when the overcurrent protection(OCP) feature i

Output Connections and Operating Information 43

Output Connections and Operating Information44Operating QuadrantsFigure 4-2 shows the operating locus of your power supply in three quadrants. The are

Output Connections and Operating Information 45

Output Connections and Operating Information46A fixed overvoltage threshold of approximately 120% of the maximum rated output voltage is built into ea

Output Connections and Operating Information 47

Output Connections and Operating Information48available in the load leads for prolonged operation into a 5 A load during ac low line at high ambient t

Output Connections and Operating Information 49

5DECLARATION OF CONFORMITYaccording to ISO/IEC Guide 22 and EN 45014Manufacturer's Name: Hewlett-Packard CompanyManufacturer's Address: 150

Output Connections and Operating Information50sensing is especially useful for CV operation with load impedances that vary or have significant lead re

Output Connections and Operating Information 51

Output Connections and Operating Information52Overvoltage Trigger ConnectionsEach output of your power supply has two OV terminals on its rear panel t

Output Connections and Operating Information 53

Output Connections and Operating Information54Power Supply Protection ConsiderationsBattery ChargingIf you are using your supply in a battery charging

Output Connections and Operating Information 55

Output Connections and Operating Information56CC OperationFor CC operation, set the output voltages as outlined in CV operation (page 55), or alternat

Output Connections and Operating Information 57

Output Connections and Operating Information58CC OperationFor CC operation, the current setting of each output must be programmed to the desired opera

Output Connections and Operating Information 59

6WHAT THIS MANUAL CONTAINSThis is the Operating manual for the HP 6621A through 6624A and 6627A Series of Multiple Output Linear SystemPower Supplies.

Remote Operation 615Remote OperationIntroduct

Remote Operation62providing the controller is configured to service interrupts. A service request can be generated whenever there is a fault onone of

Remote Operation 63Power-On Service Request (

Remote Operation64The power supply will also return numeric data (ASCII characters) to your computer. The format of the numbers returneddepends upon t

Remote Operation 65Figure 5-2 (Sheet 2 of 2).

Remote Operation66Table 5-1. Power Supply CommandsCommand Header *Output Channel Data Range Syntax (Fig. 5-2)Set Voltage VSET 1,2,3,4 See Table 5-4 C4

Remote Operation 67NOTES: 1. Output channels

Remote Operation68Order of ExecutionWhen you send a set of instructions to the power supply, they are executed in the order in which they are received

Remote Operation 69Voltage ProgrammingTo prog

7Table Of Contents1 General InformationIntroduction...

Remote Operation70Table 5-4. Programmable Output Ranges for the HP 662lA-6624A and 6627A SuppliesModel OutputChannelOperatingRange *Output Voltage(Avg

Remote Operation 71Example 2: VSET 1,20Now ou

Remote Operation72To enable an output after it went into overvoltage, you must first remove the overvoltage condition and then send the OVreset comman

Remote Operation 73At power-on, each of the r

Remote Operation74Figure 5-3. Functional Relationship of Status RegistersThe supply has one serial poll register which services all outputs and provid

Remote Operation 75The Mask and Fault Registe

Remote Operation76The first four bits (0 to 3) in the register tell whether or not a particular output has a fault. If there is a fault in one of theo

Remote Operation 77Service Request Enable/Dis

Remote Operation78Table 5-7 summarizes all the conditions under which a service request will be generated.Table 5-7 Condition for Generating a Service

Remote Operation 79DSP 1You can also find out

8Table Of Contents (continued) Positive and Negative Voltages...

Remote Operation80The supply will respond with a ''1" which indicates that CMODE is on or a "0" which indicates that CMODE is

Remote Operation 81HARDWARE ERR 10 An output

Local Operation 836Local OperationIntrodu

Local Operation84Figure 6-1. Front Panel (Model 6624A shown)Pressing the ENTER key will enter the values displayed for the function indicated, initiat

Local Operation 85Enabling/Disabling an O

Local Operation86Table 6-1. Bit Arrangement of the Status, Mask, and Fault RegistersBit Position7 6 5 4 3 2 1 0Bit Weight128 64 32 16 8 4 2 1Condition

Local Operation 87ADDRThe supply's p

Calibration Procedures 89ACalibration

9Table Of Contents (continued) Setting Voltage...

Calibration Procedures90Figure A-1. Calibration Setup

Calibration Procedures 91Table A-1. Ca

Calibration Procedures92NOTE Do not turn the power supply off during the calibration procedures. Otherwise, the correction constantsare not stored. E

Calibration Procedures 93Repeat comman

Calibration Procedures94450 !460 OUTPUT @Ps;''IDATA";Chan,Ilo,Ihi470 !480 IF FNPs _ err < >0 THEN Finish490 !500 OUTPUT @Ps;"

Calibration Procedures 95LINE 300: Ins

Programming with a Series 200/300 Co

Programming with a Series 200/300 Computer98Voltage and Current Programming With VariablesYou can use variables in a program to represent data values

Programming with a Series 200/300 Co