HP E3633A Скачать руководство пользователя страница 45 | Manualshive

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Chapter 3 Front-Panel Operation
Programming Overvoltage Protection

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VOLT:PROT {<voltage>|MIN|MAX}

Set the OVP level

VOLT:PROT:STAT {OFF|ON)

Disable or enable the OVP circuit

VOLT:PROT:CLE

Clear the tripped OVP circuit

N o t e

The power supply’s OVP circuit contains a crowbar SCR, which effectively shorts the
output of the power supply whenever the overvoltage condition occurs. If external
voltage source such as a battery is connected across the output, and the overvoltage
condition inadvertently occurs, the SCR will continuously sink a large current from
the source; possibly damaging the power supply. To avoid this a diode must be
connected in series with the output as shown in Figure 3-1 on next page.

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Содержание E3633A

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Страница 3: ...3A 50V 4A range selection key E3634A 3 Overvoltage protection key 4 Overcurrent protection key 5 Display limit key 6 Recall operating state key 7 Store operating state Local key 8 Error Calibrate key 9 I O Configuration Secure key 10 Output On Off key 11 Control knob 12 Resolution selection keys 13 Voltage current adjust selection key ...

Страница 4: ...lays error codes generated during operation self test and calibration or enables calibration mode the power supply must be unsecured before performing calibration See Service Guide for more details on calibration 9 I O Configuration Secure key3 Configures the power supply for remote interfaces or secure or unsecure the power supply for calibration See Service Guide for more details on how to secur...

Страница 5: ...to the appropriate position using the resolution selection keys and change the blinking digit value to the desired current limit by turning the control knob 6 Press the key to enable the output After about 5 seconds the display will go to output monitoring mode automatically to display the voltage and current at the output or the display will go to output monitoring mode immediately by pressing th...

Страница 6: ... OCP The overcurrent protection function is enabled when the annunciator turns on or the overcurrent protection circuit has caused the power supply to shutdown when the annunciator blinks CAL The power supply is in calibration mode Limit The display shows the limit values of voltage and current ERROR Hardware or remote interface command errors are detected and the error bit has not been cleared OF...

Страница 7: ...e chapter 3 Set the HP IB bus address see chapter 3 Set the RS 232 baud rate and parity see chapter 3 1 Power line voltage setting 2 Power line fuse holder assembly 3 AC inlet 4 Power line module 5 HP IB IEEE 488 interface connector 6 RS 232 interface connector 7 Rear output terminals I O Config ...

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Страница 14: ...1 General Information ...

Страница 15: ... specificproceduresislocated at the appropriate places in this manual See also Safety at the beginning of this manual for general safety information Safety and EMC Requirements This power supply is designed to comply with the following safety and EMC Electromagnetic Compatibility requirements IEC 1010 1 1990 EN 61010 1 1993 A2 1995 Safety Requirements for Electrical Equipment for Measurement Contr...

Страница 16: ...E9 100 Vac 10 47 63 Hz input voltage 1CM Rack mount kit HP part number 5063 9243 910 Extra manual set same language as the selected language manual set when you order the power supply Accessories The accessories listed below may be ordered from your local Hewlett Packard Sales Office either with the power supply or separately HP No Description 10833A HP IB cable 1 m 3 3 ft 10833B HP IB cable 2 m 6...

Страница 17: ... operation Overvoltage protection OVP and overcurrent protection OCP Three storage locations 1 to 3 for user defined operating states Automatic turn on self test Remote sensing for load voltage at the front or rear panel terminals User calibration from the front panel or over the remote interfaces The front panel operation permits Easy to use of knob control Output range selection Enabling or disa...

Страница 18: ...orescent Display includes Displaying actual values of output voltage and current meter mode Or displaying the limit values of voltage and current limit mode Checking the operating status from the annunciators Checking the type of error from the error codes messages Connections to the power supply s output and to chassis ground are made to binding posts on the front panel and to the rear output ter...

Страница 19: ...hipped with a detachable 3 wire grounding type power cord The ac line fuse is an extractor type on the rear panel The power supply can be calibrated from the front panel directly or with a controller over the HP IB or RS 232 interface using calibration commands Correction factors are stored in nonvolatile memory and are used during output programming Calibration from the front panel or a controlle...

Страница 20: ...dentsand scratches and that the display is not scratched or cracked Electrical Check Chapter 2 describes an initial operation procedure which when successfully completed verifies to a high level of confidence that the power supply is operating in accordance with its specifications Detailed electrical verification procedures are included in the Service Guide Cooling and Location Cooling The power s...

Страница 21: ...ble as Option 1CM P N 5063 9243 Installation instructions and hardware are included with each rack mounting kit Any HP System II instrument of the same size can be rack mounted beside the HP E3633A or E3634A DC power supply Remove the front and rear bumpers before rack mounting the power supply To remove the rubber bumper stretch a corner and then slide it off T o rack mount a single instrument or...

Страница 22: ...tion Installation 21 1 To rack mount two instrument side by side order lock link kit 5061 9694 and flange kit 5063 9214 To install one or two instruments in a sliding support shelf order shelf 5063 9256 and slide kit 1494 0015 ...

Страница 23: ...rd that has a plug appropriate for your location Contact the nearest HP Sales and Service Office if the wrong power line cord is included with your power supply Your power supply is equipped with a 3 wire grounding type power cord the third conductor being the ground The power supply is grounded only when the power line cord is plugged into an appropriate receptacle Do not operate your power suppl...

Страница 24: ...line module 100 or 115 Vac 6 3 AT fuse 230 Vac 3 15 AT fuse 4 Remove the power cord Remove the fuse holder assembly with a flat blade screwdriver from the rear panel 6 Rotate the power line voltage selector until the correct voltage appears 100 115 or 230 Vac 7 Replace the power line voltage selector and the fuse holder assembly in the rear panel ...

Страница 25: ...Chapter 1 General Information Input Power Requirements 24 ...

Страница 26: ...2 Initial Operation ...

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Страница 33: ...Chapter 2 Initial Operation Output Checkout 32 ...

Страница 34: ...3 Front Panel Operation ...

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Страница 45: ...D VHFRQG DQG WKH OVP DQQXQFLDWRU ZLOO QRW EOLQN DQ PRUH1 7KH RXWSXW ZLOO UHWXUQ WR WKH PHWHU PRGH1 5HPRWH LQWHUIDFH RSHUDWLRQ VOLT PROT voltage MIN MAX Set the OVP level VOLT PROT STAT OFF ON Disable or enable the OVP circuit VOLT PROT CLE Clear the tripped OVP circuit N o t e The power supply s OVP circuit contains a crowbar SCR which effectively shorts the output of the power supply whenever the...

Страница 46: ...Chapter 3 Front Panel Operation Programming Overvoltage Protection 45 3 Figure 3 1 Recommended Protection Circuit for Battery Charging ...

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Страница 74: ...4 Remote Interface Reference ...

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Страница 77: ... CURRent PROTection STATe CURRent PROTection TRIPped CURRent PROTection CLEar VOLTage LEVel IMMediate AMPLitude voltage MIN MAX UP DOWN VOLTage LEVel IMMediate AMPLitude MIN MAX VOLTage LEVel IMMediate STEP INCRement numeric value DEFault VOLTage LEVel IMMediate STEP INCRement DEFault VOLTage LEVel TRIGgered AMPLitude voltage MIN MAX VOLTage LEVel TRIGgered AMPLitude MIN MAX VOLTage PROTection LEV...

Страница 78: ...ELay seconds MIN MAX DELay SOURce BUS IMM SOURce TRG DISPlay WINDow STATe OFF ON STATe TEXT DATA quoted string TEXT DATA TEXT CLEar SYSTem BEEPer IMMediate ERRor VERSion OUTPut RELay STATe OFF ON RELay STATe STATe OFF ON STATe IDN RST TST SAV 1 2 3 RCL 1 2 3 Triggering Commands System Related Commands ...

Страница 79: ...r SECure CODE new code SECure STATe OFF ON code SECure STATe STRing quoted string STRing VOLTage DATA numeric value VOLTage LEVel MIN MID MAX VOLTage PROTection STATus QUEStionable CONDition EVENt ENABle enable value ENABle SYSTem ERRor CLS ESE enable value ESE ESR OPC OPC PSC 0 1 PSC SRE enable value SRE STB WAI Calibration Commands Status Reporting Commands ...

Страница 80: ...Reference SCPI Command Summary 79 4 SYSTem LOCal REMote RWLock CLS ESR ESE enable value ESE IDN OPC OPC PSC 0 1 PSC RST SAV 1 2 3 RCL 1 2 3 STB SRE enable value SRE TRG TST WAI RS 232 Interface Commands IEEE 488 2 Common Commands ...

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Страница 83: ... power supply Table 4 1 HP E3633A Programming Ranges Table 4 2 HP E3634A Programming Ranges 0 8V 20A Range 0 20V 10A Range Voltage Programming Range 0 V to 8 24V 0 V to 20 60 V MAX Value 8 24 V 20 60 V MIN Value 0 V 0 V DEFault Value 0 V 0 V RST Value 0 V Current Programming Range 0 A to 20 60 A 0 A to 10 30 A MAX Value 20 60 A 10 30 A MIN Value 0 A 0 A DEFault Value 20 A 10 A RST Value 20 00 A 0 ...

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Страница 85: ...1 RX FDQ VXEVWLWXWH MINimumªª RU MAXimumªª LQ SODFH RI D VSHFLILF YDOXH IRU WKH FXUUHQW SDUDPHWHU1 MIN VHOHFWV WKH ORZHVW FXUUHQW YDOXHV RI 3ªª DPSV1 MAX VHOHFWV WKH KLJKHVW FXUUHQW YDOXHV DOORZHG IRU WKH VHOHFWHG UDQJH1 7KLV FRPPDQG DOVR LQFUHDVHV RU GHFUHDVHV WKH LPPHGLDWH FXUUHQW OHYHO XVLQJ WKH UPªª RU DOWNªª SDUDPHWHU E D SUHGHWHUPLQHG DPRXQW1 7KH FRPPDQG CURRent STEP VHWV WKH DPRXQW RI LQFUH...

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Страница 134: ...6 Application Programs ...

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Страница 136: ...OO IRXQG LQ WKH c vxipnp win win95 RU winnt lib msc RU c vxipnp win win95 RU winnt include GLUHFWRU 1 Diode c Diode C This example program steps the power supply through 11 voltages and measures the current response It prints the voltage step and the current response as a table Note that the HP IB address is the default address from the factory for the power supply include visa h include stdio h i...

Страница 137: ...Unable to set voltage Measure output current ErrorStatus viPrintf power_supply Measure Current n CheckError Unable to write device delay 500 Allow output to wait for 500 msec Retrieve reading ErrorStatus viScanf power_supply lf current CheckError Unable to read voltage printf 6 4f n current Display diode current SendSCPI Output off Turn output off ClosePort Build the address required to open commn...

Страница 138: ...faultRM defaultRM ErrorStatus viOpen defaultRM VISA_address 0 0 power_supply CheckError Unable to open port if bHPIB SendSCPI System Remote void SendSCPI char pString char pdest strcpy commandString pString strcat commandString n ErrorStatus viPrintf power_supply commandString CheckError Can t Write to Driver if bHPIB 0 delay 1000 Unit is milliseconds pdest strchr commandString Search for query co...

Страница 139: ...on Programs Example Program for C and C 138 void CheckError char pMessage if ErrorStatus VI_SUCCESS printf n s pMessage ClosePort exit 0 void delay clock_t wait clock_t goal goal wait clock while goal clock End of Program ...

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Страница 142: ...earContents Dim I As Integer bHPIB True To use RS 232 set the bHPIB to False OpenPort SendSCPI RST Set power on condition SendSCPI Output on Turn on the output For I 5 To 15 SendSCPI Volt Str Cells I 1 Cells I 2 Val SendSCPI Meas Current Next I SendSCPI Output off Turn off the output ClosePort End Sub Private Function OpenPort Dim HPIB_Address As String Dim COM_Address As String If bHPIB Then HPIB...

Страница 143: ...rStatus viWrite power_supply ByVal commandString Len commandString _ actual CheckError Can t Write to Device If bHPIB False Then delay 0 5 End If If InStr commandString Then ErrorStatus viRead power_supply ByVal ReadBuffer 512 actual CheckError Can t Read From Device ReturnString ReadBuffer crlfpos InStr ReturnString Chr 0 If crlfpos Then ReturnString Left ReturnString crlfpos 1 End If SendSCPI Re...

Страница 144: ...ib VISA DLL Alias 256 ByVal vi As Long ByVal Buffer As String ByVal count As Long retCount As Long As Long Declare Function viWrite Lib VISA DLL Alias 257 ByVal vi As Long ByVal Buffer As String ByVal count As Long retCount As Long As Long Declare Function viClear Lib VISA DLL Alias 260 ByVal vi As Long As Long Declaration for Windows 95 NT 4 0 Additional declations for VISA32 DLL are usally in fi...

Страница 145: ...Chapter 6 Application Programs Example Program for Excel 97 144 ...

Страница 146: ...7 Tutorial ...

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Страница 164: ...onths over HP IB and RS 232 or front panel with respect toactual output 25 C 5 C of output offset Voltage 0 05 5 mV Current 0 15 5 mA Ripple and Noise with outputs ungrounded or with either output terminal grounded 20 Hz to 20 MHz Normal mode voltage 0 35 mV rms and 3 mV p p 0 5 mV rms and 3 mV p p Normal mode current 2 mA rms Common mode current 1 5 mA rms Load Regulation of output offset Voltage...

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Страница 169: ...Chapter 8 Specifications Supplemental Characteristics 168 ...

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