Home

Agilent 6614C Datasheet

Contents

1. NOTE Support rails or an instrument shelf is required when rack mounting units 368 3 mm i 14 5 6611C 6614C 444 4 mm d 17 5 66312A only mal p a oI Eo A o e i o He ce fiy E i gt a S3 i aa i i Bs i eV H Ca ee E e l O EN a F l J C1 j i if ijl 2 C Co s g y L I 350 5 mm g 13 8 6611C 6614C E s 425 8 mm d L os 16 8 66312A only g Figure 3 1 Outline Diagram 22 Installation 3 Input Connections Connect the Power Cord 1 Unscrew the line fuse cap from the rear panel and verify that the fuse rating matches what is specified on the FUSES label on the rear panel Reinstall the fuse See table 3 1 for part numbers 2 Connect the power cord to the IEC 320 connector on the rear of the unit If the wrong power cord was shipped with your unit contact your nearest Agilent Sales and Support Office refer to the list at the back of this guide to obtain the correct cord NOTE The detachable power cord may be used as an emergency disconnecting device Removing the power cord from the ac input connector will disconnect ac input power to the unit Output Connections The output connector has a termination for the and output the and sense terminals and an earth ground terminal The 5 pin connector is removable and accepts
2. VorAMIN A 100 millisecond acquisition time NOTE VorAMAX __ Measurement samples may not coincide with the actual maximum or minimum point of the waveform Figure 5 5 Front Panel Pulse Measurement Parameters Agilent 66312A only Use the Meter menu for making front panel measurements Action For current measurements press Shift Input Then press W until you obtain the CURR RANG AUTO command Press Enter to activate autoranging Two other selections are also available Select the High Display CURR RANG AUTO range when measuring currents above 20 mA Select the Low range for improved resolution when measuring currents below 20 mA For output waveform measurements press Shift Input Then press Y CURR DET ACDC until you obtain the CURR DET command Check to make sure that the ACDC current detector is selected This provides the best accuracy for waveform measurements Only select the DC current detector if you are making dc current measurements and you require a dc measurement offset better than 1mA on the High current measurement range Note In the Low current measurement range the current detector is fixed at DC With the current detector in dc accurate current measurements cannot be made on waveforms with frequency contents over a few kilohertz On the Function keypad press Meter and press VW repeatedly to access the following measurement parameters dc voltage and current pe
3. At a Glance Front Panel Number Entry Front Panel Annunciators Immediate Action Keys Front Panel Menus At a Glance SCPI Programming Commands At a Glance The Rear Panel At a Glance 2 GENERAL INFORMATION Document Orientation Safety Considerations Options and Accessories Description Capabilities Front Panel Controls Remote Programming Output Characteristic 3 INSTALLATION Inspection Damage Packaging Material Items Supplied Cleaning Location Bench Operation Rack Mounting Input Connections Connect the Power Cord Output Connections Wire Considerations Current Ratings Voltage Drops Multiple Load Connections Remote Sense Connections Sense Leads Stability OVP Considerations INH FLT Connections Controller Connections GPIB Interface RS 232 Interface 4 TURN ON CHECKOUT Introduction Using the Keypad Checkout Procedure In Case of Trouble Error Messages Line Fuse 5 FRONT PANEL OPERATION Introduction Front Panel Description System Keys Function Keys Immediate Action Keys Scrolling Keys Metering Keys Output Control Keys Entry Keys Examples of Front Panel Programming 1 Setting the Output Voltage and Current 2 Querying and Clearing Output Protection 3 Making Front Panel Measurements 4 Programming the Digital Output Port 5 Programming the Output Relay option 760 only 6 Setting the GPIB Address and RS 232 Parameters 7 Saving and Recalling Operating States A SPECIFICATIONS Spec
4. a character string parameter Use an Use an Use an d d d to scroll through the menu commands to scroll through the menu parameters to select a digit in a numeric entry field 39 5 Front Panel Operation Output Control Keys Output control keys control the output functions of the de source Notes 40 Press this key to access the voltage menu Display Command Function VOLT lt value gt Sets the output voltage Press this key to access the current menu Display Command Function CURR lt value gt Sets the output current Press this key to access the output menu list Display Command Function RST Places the dc source in the factory default state PON STATE lt char gt Select the power on state command RST or RCLO RI lt char gt Sets the remote inhibit mode LATCHING LIVE or OFF DFI lt char gt Sets the discrete fault indicator state ON or OFF DFI SOUR lt char gt Selects the DFI source QUES OPER ESB RQS or OFF PORT lt char gt Sets the output port functions RIDFI or DIGIO DIGIO lt char gt Sets and reads the I O port value 0 through 7 RELAY lt char gt Set relay state independent of output ON or OFF REL POL lt char gt Set relay polarity NORM or REV PROT DLY lt value gt Sets the output protection delay in seconds Press this key to display protection status Display Command Function OC OT OV RI FS Status of the protecti
5. MARK SPACE FLOW lt char gt Flow control XON XOFF RTS CTS DTR DSR NONE LANG lt char gt I Selects language SCPI or COMP value a numeric value char a character string parameter Use and to scroll through the command list Use and to scroll through the parameter list Press to place the de source into a previously stored state You can recall up to 4 0 through 3 previously stored states Press to display the system error codes stored in the SCPI error queue This action also clears the queue If there is no error in the queue 0 is displayed Press to store an existing dc source state in non volatile memory The parameters saved are listed under SAV in the dc source Programming Guide You can save up to 4 states 0 through 3 37 5 Front Panel Operation Function Keys Refer to the examples later in this chapter for more details on the use of these keys FUNCTION 2 Input g l OV j E o e A Se A A a _ Prot Cir OCP Cal Figure 5 3 Function Keys Immediate Action Keys Immediate action keys immediately execute their corresponding function when pressed Other function keys have commands underneath them that are accessed when the key is pressed iar This key toggles the output of the dc source between the on and off states It immediately executes its function as soon as you press it When off the dc source output is disabled and the Dis annunciator is on Pr
6. CONFIG section checksum failed Non volatile RAM CAL section checksum failed Non volatile RAM STATE section checksum failed Non volatile RST section checksum failed RAM selftest VDAC IDAC selftest 1 VDAC IDAC selftest 2 VDAC IDAC selftest 3 VDAC IDAC selftest 4 OVDAC selftest Digital I O selftest error Device Dependent Errors 100 through 32767 sets Standard Event Status Register bit 3 Ingrd receiver buffer overrun RS 232 receiver framing error RS 232 receiver parity error RS 232 receiver overrun error Front panel uart overrun Front panel uart framing Front panel uart parity Front panel buffer overrun Front panel timeout CAL switch prevents calibration CAL password is incorrect CAL not enabled Computed readback cal constants are incorrect Computed programming cal constants are incorrect Incorrect sequence of calibration commands CV or CC status is incorrect for this command Output mode switch must be in NORMAL position Too many sweep points Command only applies to RS 232 interface CURRent or VOLTage fetch incompatible with last acquisition Measurement overrange 67 D Line Voltage Conversion WARNING Shock Hazard Operating personnel must not remove instrument covers Component replacement and internal adjustments must be made only by qualified service personnel Open the Unit Turn off ac power and disconnect the power cord from the unit Loosen the two screws on the rear bezel and remov
7. Link 22 5 WA _ HA Tink 22 5 WA High Current Sink measurement Linx 11 1 mA mA Lin 11 1 mA Table B 4 Verification Test Record for Agilent 66312A or Agilent 6612C Model Agilent Test Description Minimum Specification Date Recorded Results Maximum Specification Voltage Programming and Measurement Low Voltage Vout 10 mV V 10 mV Front Panel measurement Vout 3 mV mV Vou 3 mV High Voltage Vou 19 980 V V 20 020 V Front Panel measurement Vout 9 MV mV Vou 9 mV Current Programming and Measurement High Range Low Current Lout IlmA A 1 mA High Current Lout 1 998 A A 2 002 A Front Panel measurement Tour 4 5 MA mA Tour 4 5 MA Current Measurement Low Range Low Current measurement Tour 2 5 WA _ HA Tour 2 5 WA High Current measurement Tout 22 5 WA _ HA Tour 22 5 WA Current Sink Measurement Low Current Sink measurement Link 22 5 WA HA Link 22 5 WA High Current Sink measurement Link 4 85 mA mA Link 4 85 mA 57 B Verification and Calibration Table B 5 Verification Test Record for Agilent 6613C Date Recorded Results Model Agilent 6613C Test Description Maximum Specification Minimum Specification Voltage Programming and Measurement 20 mV _ V 20 mV Vout 6 mV mV Vout 6 MV 49 955 V V 50 045 V Vout 21 mV Vout 21 mV mV Low Voltage Vout Front Panel measurem
8. avoid excessive voltage drops due to the impedance of the wires In general if the wires are heavy enough to carry the maximum short circuit current without overheating excessive voltage drops will not be a problem The voltage drops across the load wires should be limited to less than two volts Refer to Table 3 2 to calculate the voltage drop for some commonly used AWG copper wire Multiple Load Connections When the unit is in local sensing mode and you are connecting multiple loads to the output connect each load to the output terminals using separate load leads This minimizes mutual coupling effects and takes full advantage of the dc source s low output impedance Each pair of wires should be as short as possible and twisted or bundled to reduce lead inductance and noise pickup If cabling considerations require the use of distribution terminals that are located remotely from the dc source connect the dc source s output terminals to the remote distribution terminals by a pair of twisted or bundled wires Connect each load to the distribution terminals separately Remote voltage sensing is recommended under these circumstances Sense either at the remote distribution terminals or if one load is more sensitive than the others sense directly at the critical load 26 nde ah AE 4 SENSE oe e m m m e Local E Remote 50VDC gr a NOTE Connector is removable H R H H twist or
9. bundle each pair Figure 3 2 Multiple Load Connections 24 Installation 3 Remote Sense Connections Under normal operation the de source senses the output voltage at the output terminals on the back of the unit External sense terminals are available on the back of the unit that allow the output voltages to be sensed at the load compensating for impedance losses in the load wiring You cannot remote sense at the front panel binding posts The output connector accepts wires sizes from AWG 22 to AWG 12 Disconnect the mating plug to make your wiring connections When the sense wire connections are complete set the Remote Local switch on the back of the unit to Remote switch is out Sense Leads The sense leads are part of the dc source s feedback path and must be kept at a low resistance less than several ohms to maintain optimal performance Connect the sense leads carefully so that they do not become open circuited If the sense leads are left unconnected or become open during operation the dc source will regulate at the output terminals resulting in a 3 to 5 increase in output over the programmed value Shorting the sense leads trips the OVP circuit NOTE It is good engineering practice to twist and shield all signal wires to and from the sense connectors Connect the shield at the dc source end only Do not use the shield as one of the sensing conductors S eds L SENS
10. calibrating your dc source If the de source passes the verification procedures the unit is operating within its calibration limits and does not need to be recalibrated Equipment Required The equipment listed in the following table or the equivalent to this equipment is required for verification and calibration Table B 1 Equipment Required Characteristics Recommended Model Digital Voltmeter Resolution 10 nV 1 V Agilent 3458A Readout 8 5 digits Accuracy gt 20 ppm 15 A 0 1 Q 0 04 TC 5ppm C Guildline 9230 15 Load Resistor 400 Agilent 6611C calibration and all p n 0811 2878 3 W min TC 20ppm C models verification 1 1 kQ Agilent 6612C amp 66312A calibration 2500 Q Agilent 6613C calibration 5000 Agilent 6614C calibration Power Supply 8V 5A Agilent 6611C or Agilent 6631B GPIB Controller Full GPIB capabilities HP Series 200 300 or equivalent The 4 terminal current shunt is used to eliminate output current measurement error caused by voltage drops in the load leads and connections It has special current monitoring terminals inside the load connection terminals Connect the voltmeter directly to these current monitoring terminals Test Setup Figure B 1 shows the setup for the tests Be certain to use load leads of sufficient wire gauge to carry the full output current see chapter 3 53 B Verification and Calibration NOTE Connector is removable EL NOTE Connector i
11. can be used to adjust the magnitude of the output voltage or current Only the flashing digit is changed by these keys Use the and gt keys to move the flashing digit a These keys move the flashing digit in a numeric entry field to the right or left This lets you increment or decrement a specific digit in the entry field using the m and keys or the RPG knob Used only to access a third level key function the numeric entry keys These third level function keys are labeled in green 0 through 9 are used for entering numeric values is the decimal point is the minus sign For example to enter 33 6 press Enter Number 3 3 6 Enter J DE Back space The backspace key deletes the last digit entered from the keypad This key lets you correct one or more wrong digits before they are entered This key aborts a keypad entry by clearing the value This key is convenient for correcting a wrong value or aborting a value entry The display then returns to the previously set function Q D D 2 m 3 2 lt This key executes the entered value or parameter of the presently accessed command Until you press this key the parameters you enter with the other Entry keys are displayed but not entered into the dc source Before pressing Enter you can change or abort anything previously entered into the display After Enter is pressed the dc source returns to Meter mode 41 5 Front Panel Operation Examp
12. high range current calibration sequence CAL CURR MEAS LOW CAL CURR MEAS AC CAL SAVE CAL PASS lt value gt Notes value a numeric value Begin low range current measurement calibration Begin ac current calibration sequence Saves the calibration constants in non volatile memory Set new calibration password char a character string parameter Use and to scroll through the menu commands Use and to scroll through the menu parameters Use and to select a digit in a numeric entry field Front Panel Calibration 59 B Verification and Calibration These procedures assume you understand how to operate front panel keys see chapter 5 Enable Calibration Mode Action Reset the unit by selecting Output scrolling to RST and pressing Enter Press Output On Off to enable the output To begin calibration press Shift Cal scroll to CAL ON and press Enter Enter the calibration password from Entry keypad and press Enter If the password is correct the Cal annunciator will come on If CAL DENIED appears then an internal switch has been set to prevent the calibration from being changed See the Service Manual lf the password is incorrect an error occurs If the active password is lost the calibration function can be recovered by setting an internal switch that defeats password protection See the Service Manual Voltage Programming and Measurement Calibration 10 Action Connect the DMM dc volts mode dir
13. number 2110 0788 Mark the voltage setting that the unit has been set to on the rear panel label Close the Unit e Replace the outer cover Reconnect the power cord and turn on the unit List of Fuses F301 2110 0633 1 Fuse T2 5A 250V for 100 120 Vac input F301 2110 0788 1 Fuse T1 25A 250V for 220 230 Vac input F303 2110 0699 1 Fuse sub min MSA 125V F305 2110 0699 1 Fuse sub min MSA 125V F306 2110 0699 1 Fuse sub min MSA 125V F308 2110 0932 1 Fuse smt M5A 125V F309 2110 0685 1 Fuse sub min T7A 125V 6611C F309 2110 0967 1 Fuse sub min T4A 125V 6612C 66312A F309 2110 0967 1 Fuse sub min T4A 125V 6613C F309 2110 0967 1 Fuse sub min T4A 125V 6614C F310 2110 0932 1 Fuse smt M5A 125V F311 2110 1138 1 Fuse smt M15A 125V 6611C F311 2110 1013 1 Fuse smt M12A 125V 6612C 66312A F311 2110 0915 1 Fuse smt M7A 125V 6613C F311 2110 0932 1 Fuse smt M5A 125V 6614C 70 Index eee terminals 23 S S terminals 23 0 9 41 A ac line conversion 69 accessories 18 ACDC current detector 44 airflow 22 annunciators Addr 36 Cal 36 CC 36 CV 36 Dis 36 Err 36 OCP 36 Prot 36 Rmt 36 Shift 36 SRQ 36 Unr 36 AWG ratings 23 cables 18 calibration 59 current programming high range 61 current programming low range 61 enable 60 equipment 53 error messages 62 menu 59 OVP 60 password 62 peak current 61 s
14. output is in constant voltage mode CC The dc source output is in constant current mode Unr The dc source output is in an unregulated state Dis The dc source output is disabled off OCP The overcurrent protection state is enabled Prot One of the dc source s output protection features is activated Cal The dc source is in calibration mode Shift The Shift key is pressed to access an alternate key function Rmt The selected interface GPIB or RS 232 is in a remote state Addr The interface is addressed to talk or to listen Err There is a message in the SCPI error queue SRQ The interface is requesting service from the controller The rotary control lets you set the output voltage or current as well as menu parameters Press and gt to select the resolution then adjust the value with the knob Front panel binding posts let you connect loads to the front of the unit Before using the front panel binding posts make sure that the sense switch on the back of the unit is set to Local This turns the dc source on or off The system keys let you Return to Local mode front panel control Set the dc source GPIB address Set the RS 232 interface communication baud rate and parity bit Display SCPI error codes and clear the error queue Save and recall up to 4 instrument operating configurations Function access command menus that let you Enable or disable the output Select metering functions Program output voltage and current
15. peak voltage and current Agilent 66312A only 16 bit measurement resolution low range accurate down to 2 microamperes Triggered acquisition of digitized current and voltage waveforms Agilent 66312A only Front panel control with 14 character vacuum fluorescent display keypad and rotary control for voltage and current settings Built in GPIB and RS 232 interface programming with SCPI command language Non volatile state storage and recall with SCPI command language Over voltage over current over temperature and RI DFI protection features Extensive selftest status reporting and software calibration eff Front Panel Controls The front panel has both rotary RPG and keypad controls for setting the output voltage and current The panel display provides digital readouts of a number of output measurements Annunciators display the operating status of the dc source System keys let you perform system functions such as setting the GPIB address and recalling operating states Front panel Function keys access the dc source function menus Front panel Entry keys let you select and enter parameter values Refer to chapter 5 for a complete description of the front panel controls Remote Programming NOTE When shipped all units are set to the SCPI programming language The language setting is saved in non volatile memory To change the programming language from SCPI to Compatibility language press the front panel Address key u
16. ranges 43 multiple loads 24 N non volatile memory clearing 47 storing 37 40 OC 43 72 operating features 19 option 760 46 options 18 OT 43 output characteristic 20 connections 23 connector 21 control keys 40 current setting 42 enable 42 rating 20 voltage setting 42 output relay 46 OV 43 OVLD 34 43 OVP capacitor discharge limit 26 circuit 26 Pp power cord 21 23 power receptacle 18 preliminary checkout 31 print date 6 protection FS 43 OC 43 OT 43 OV 43 RI 43 Q query protection 43 R rack mount kit 18 rack mounting 22 rear panel connections 26 28 29 recalling operating states 47 remote programming 19 remote sensing 25 stability 26 repacking 21 RI 43 signal 26 RIDFI 45 RS 232 46 connections 29 interface 29 S safety class 18 safety warning 18 saving operating states 47 selftest errors 34 sense connections 25 service guide 18 setting voltage current 42 shift annunciator 31 shift key 31 shorting switch 27 specifications 49 stability with remote sensing 26 supplemental characteristics 50 system errors 65 system keys 37 Address 37 Error 37 Interface 37 Local 37 RCL 37 Save 37 Shift 37 Index a turn on checkout 31 55 _Vv verification current measurement accuracy 55 current programming 55 equipment 53 setup 53 test record 57 voltage measurement
17. the and v keys You will only see the changes if the output is ON NOTE Press the Meter key to exit a menu at any time and return to meter mode If the Err annunciator on the display is on press the Shift key followed by the Error key to see the error number See table 4 2 at the end of this chapter 2 Check that the dc source You should be able to hear the fan and feel the fan is on air coming from the back of the unit 3 Press Voltage VOLT 0 000 Programs the output to 20 volts After the value Enter Number VOLT lt 20 gt is entered the display returns to Meter mode lt 2 0 gt Enter Because the output has not been enabled the meter still indicates approximately 0 volts 4 Press Output On Off lt 20 003 gt V Turns the output on The Dis annunciator should 0 0006A be off and CV should be on 5 Press Shift OV VOLT PROT Display shows the overvoltage protection trip lt 22 00 gt voltage for your unit 32 10 11 12 13 14 15 16 Procedure Press Enter Number 8 Enter Press Shift OV Enter Number lt 2 2 gt Enter Press Shift Prot Clear Press Output on off Connect a jumper wire across the and output terminals Press Output on off Press Current Enter Number lt 2 gt Enter Press Shift OCP Press Shift OCP Press Shift Prot Clear Turn the unit off and remove the shorting wire from the output terminals Display VOLT PROT 8 0 449V 0 145A V
18. the front panel Address menu All SCPI and COMPatibility commands are available through RS 232 programming When the RS 232 interface is selected the GPIB interface is disabled The RS 232 connector is a DB 9 male connector Adapters are available to connect the de source to any computer or terminal with a properly configured DB 25 connector see Table 2 2 Pin O0OWMWANI NN BP WN 12345 6789 Figure 3 6 RS 232 Connector Input Output Description no connection Input Receive Data RxD Output Transmit Data TxD Output Data Terminal Ready DTR Common Signal ground Input Data Set Ready DSR Output Request to Send RQS Input Clear to Send CTS no connection 29 Turn On Checkout Introduction Successful tests in this chapter provide a high degree of confidence that the dc source is operating properly For verification tests see appendix B Complete performance tests are given in the Service Guide NOTE This chapter provides a preliminary introduction to the dc source front panel See chapter 5 for more details Using the Keypad E shift ja Jand Y Janad E Some of the front panel keys perform two functions one labeled in black and the other in blue You access the blue function by first pressing the blue shift key Release the key after you press it The Shift annunciator will be on indicating that you have access to any key s shifted function Used to access a th
19. wires sizes from AWG 22 to AWG 12 Disconnect the mating plug from the unit by pulling it straight back Front panel binding posts are available to connect load wires for bench operation The front panel binding posts are paralleled with the rear panel and connections Before using the front panel binding posts make sure that the sense switch on the back of the unit is set to Local NOTE Front panel binding posts are provided for convenience Only the rear panel terminals are optimized for noise regulation and transient response as documented in Appendix A Wire Considerations To minimize the possibility of instability on the output e keep load leads as short as possible bundle or twist the leads tightly together to minimize inductance Current Ratings Fire Hazard To satisfy safety requirements load wires must be large enough not to overheat when carrying the maximum short circuit current of the dc source If there is more than one load then any pair of load wires must be capable of safely carrying the full rated current of the de source The following table lists the characteristics of AWG American Wire Gage copper wire Table 3 2 Ampacity and Resistance of Stranded Copper Conductors AWG No Ampacity in free air Resistance at 20 deg C Q m QO ft 0 0345 0 01054 0 0217 0 00663 0 0137 0 00417 0 0086 0 00262 0 0054 0 00165 23 3 Installation Voltage Drops The load wires must also be large enough to
20. 0 is not available on Agilent 66312A units To control the relays independently of the Output On Off switch proceed as follows Action On the Function keypad press Output and scroll through the Output menu until you get to the RELAY command The display indicates whether the relay is presently closed ON or open OFF Use the and v keys to select either ON to close the relay or OFF to open the relay Note that the output relays always open or close whenever the Output On Off key is pressed To control the polarity of the output relays proceed as follows 6 Setting the GPIB Address and RS 232 Parameters Action On the Function keypad press Output and scroll through the Output menu until you get to the REL POL command The display indicates the present condition of the relay either normal or reversed Use the and Vv keys to select either NORM or REV NORMal causes the relay polarity to be the same as the dc source output REVerse causes the relay polarity to be opposite to that of the dc source output Display RELAY ON RELAY OFF Display REL POL NORM RELAY OFF Your dc source is shipped with the GPIB address set to 5 This address can only be changed from the front panel using the Address menu located under the Address key This menu is also used to select the RS 232 interface and specify RS 232 parameters such baud rate and parity Set the GPIB address as follows 1 2 Action On the System keypa
21. DMM reading CAL DATA 0 00 to stabilize Then read the DMM and compute the first current value DMM reading shunt resistance Press Enter Number and enter the first current value 17 Press Shift Cal scroll to CAL LEV use to scroll to P2 the CAL LEV P2 second calibration point and press Enter 18 Press Shift Cal and scroll to CAL DATA Wait for the DMM reading CAL DATA 0 00 to stabilize Then read the DMM and compute the second current value DMM reading shunt resistance Press Enter Number and enter the second current value Low Range Current Measurement Calibration Action Display 19 Press Shift Cal scroll to CAL CURR MEAS LOW and press CAL CURR MEAS LOW Enter 20 Connect the appropriate calibration load resistor as shown in figure B 1B Connect the DMM in current mode in series with the load 21 Press Shift Cal scroll to CAL LEV and press Enter to select the CAL LEV P1 first calibration point 22 Press Shift Cal and scroll to CAL DATA Wait for the DMM CAL DATA 0 00 reading to stabilize Then press Enter Number and enter the current reading displayed on the DMM AC Current Measurement Calibration Agilent 66312A only Action Display 23 Disconnect all loads from the dc source 24 Press Shift Cal scroll to CAL CURR MEAS AC and press CAL CURR MEAS AC Enter 25 Wait for the dc source to compute the ac current calibration constant The display returns to Meter mode when the calculation is complet
22. Display the protection status state Set and clear protection functions Set the output state at power on Calibrate the dc source A and scroll through the front panel menu commands Entry keys let you Enter programming values Increment or decrement programming values h and select the front panel menu parameters Front Panel Operation 5 System Keys Refer to the examples later in this chapter for more details on the use of these keys SYSTEM Error r oe Save Za ae D U Figure 5 2 System Keys This is the blue unlabeled key which is also shown as Brit Jin this guide Pressing this key accesses the alternate or shifted function of a key such as ERROR Release the key after you press it The Shift annunciator is lit indicating that the shifted keys are active Press to change the dc source s selected interface from remote operation to local front panel operation Pressing the key will have no effect if the interface state is already Local Local with Lockout or Remote with Lockout Press to access the system address menu This menu lets you configure the dc source s interface Address Menu entries are stored in non volatile memory Display Command Function ADDRESS lt value gt Sets the GPIB Address INTF lt char gt Selects an interface GPIB or RS232 BAUDRATE lt value gt Selects baud rate 300 600 1200 2400 4800 9600 PARITY lt char gt Message parity NONE EVEN ODD
23. E i ec a _ i Local E Remote sense switch out NOTE Connector is removable twisted or 4 shielded pair LOAD Figure 3 3 Remote Sense Connections 25 3 Installation The overvoltage protection circuit senses voltage near the output terminals not at the load Therefore the signal sensed by the OVP circuit can be significantly higher than the actual voltage at the load When using remote sensing you must program the OVP trip voltage high enough to compensate for the voltage drop between the output terminals and the load Also if the sum of the programmed voltage and the load lead drop exceeds the dc source s maximum voltage rating this may also trip the OV protection circuit Stability When the unit is configured for remote sensing it is possible for the impedance of the load wires and the capacitance of the load to form a filter which becomes part of the unit s feedback loop This can degrade the unit s stability and result in poor transient response performance In extreme cases it may also cause oscillations The wiring guidelines previously discussed under Wire Considerations will eliminate most stability problems associated with load lead inductance If additional measures are required keep the load capacitance as small as possible use larger diameter load wires to reduce resistance OVP Considerations The dc source s OVP circuit contains a crowbar SCR which effectively shorts the output of the
24. GPIB interface you can vary both the sampling rate and the number of data points in each measurement If you are using the Agilent 66312A dc source to measure waveform data the GPIB interface also lets you qualify the triggers that initiate the measurements With this flexibility measurement accuracy can be improved for waveforms with frequencies as low as several Hertz Refer to chapter 3 in the Programming Guide for more information Two current measurement ranges can be selected in the Input menu A high current range is available for measuring output currents up to 30 higher than the maximum rating of the dc source A low current range is available for improved resolution when measuring output currents below 20 milliamperes The low current measurement range is accurate to 0 1 of the reading 2 5 microamperes When the current Range is set to AUTO the unit automatically selects the range that provides the best measurement resolution NOTE If the front panel display indicates OVLD the output has exceeded the measurement capability of the instrument If the front panel display indicates an GPIB measurement is in progress As previously mentioned the Agilent 66312A dc source has the capability of measuring output waveform parameters such as peak minimum high level and low level as illustrated in the following figure 43 5 Front Panel Operation 46 8 microsecond sampling rate V or AHIGH V or ALOW
25. OLT PROT lt 22 gt lt 20 003 gt V 0 0034A 0 0005V lt 0 2005 gt A 0 0452V lt 1 998 gt A 0 0005V 0 0003A 0 0005V 0 0003A 0 0452V lt 1 998 gt A Turn On Checkout 4 Explanation Programs the OVP to 8 volts which is less than the previously set output voltage Because the OVP voltage entered was less than the output voltage the OVP circuit tripped The output dropped to zero CV turned off and Prot turned on Programs the OVP to a value greater than the output voltage setting of the unit This prevents the OV circuit from tripping again when the protection condition is cleared Clears the protection condition thus restoring the output of the unit Prot turns off and CV turns on Turn the output off Shorts the output of the unit The CC annunciator is on indicating that the unit is in constant current mode The unit is sourcing output current at 10 of the maximum rating the default output current limit setting Programs the output current to lt 2 gt ampere You enabled the overcurrent protection circuit The circuit then tripped because the unit was operating in constant current mode The CC annunciator turns off and the OCP and Prot annunciators come on You have disabled the overcurrent protection circuit The OCP annunciator turns off Restores the output The Prot annunciator turns off CC is on The next time the unit turns on it will be restored to the RST or factory default s
26. Pressure Lp lt 70 dB A At Operator Position Normal Operation According to EN 27779 Type Test Printing History The edition and current revision of this manual are indicated below Reprints of this manual containing minor corrections and updates may have the same printing date Revised editions are identified by a new printing date A revised edition incorporates all new or corrected material since the previous printing date Changes to the manual occurring between revisions are covered by change sheets shipped with the manual In some cases the manual change applies only to specific instruments Instructions provided on the change sheet will indicate if a particular change applies only to certain instruments This document contains proprietary information protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated into another language without the prior consent of Agilent Technologies The information contained in this document is subject to change without notice Copyright 1997 Agilent Technologies Edition 1 November 1997 Update 1 July 1999 Update 2 January 2000 Update 3 March 2004 Table of Contents Warranty Information Safety Summary Declaration Page Acoustic Noise Information Printing History Table of Contents 1 QUICK REFERENCE Agilent 66312A Dynamic Measurement DC Source and Agilent 6611C 6612C 6613C 6614C System DC Power Supply The Front Panel
27. Protect In this example OC indicates thatan OC overcurrent condition has occurred Other protection indicators are OT overtemperature OV overvoltage RI remote inhibit and FS internal fuse is open 2 On the Function keypad press Current This displays the present output CURR 0 2045 current limit 10 of the maximum rating is the default current limit setting 2 amp unit 3 To restore normal operation after the cause of the overcurrent condition has been removed press Shift Prot Clr The OCP annunciator then will go off 3 Making Front Panel Measurements When the dc source is operating in front panel meter mode all front panel measurements are calculated from a total of 2048 readings taken at a 46 8 microsecond sampling rate The unit alternates between voltage and current measurements Therefore the data acquisition time for a single front panel voltage or current measurement is about 100 milliseconds The sample rate and number of data points are fixed and there are no trigger controls for front panel measurements This fixed sampling rate and data acquisition time combined with a built in windowing function reduces errors due to sampling a non integral number of cycles of a waveform for frequencies of 25 Hz or greater Note that the windowing function is less accurate when measuring output waveforms for frequencies less than 25 Hz causing the front panel meter to jitter When controlling the unit over the
28. SED ON CONTRACT TORT OR ANY OTHER LEGAL THEORY ASSISTANCE The above statements apply only to the standard product warranty Warranty options extended support contacts product maintenance agreements and customer assistance agreements are also available Contact your nearest Agilent Technologies Sales and Service office for further information on Agilent s full line of Support Programs Safety Summary The following general safety precautions must be observed during all phases of operation of this instrument Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of the instrument Agilent Technologies assumes no liability for the customer s failure to comply with these requirements GENERAL This product is a Safety Class 1 instrument provided with a protective earth terminal The protective features of this product may be impaired if it is used in a manner not specified in the operation instructions Any LEDs used in this product are Class 1 LEDs as per IEC 825 1 This ISM device complies with Canadian ICES 001 Cet appareil ISM est conforme a la norme NMB 001 du Canada ENVIRONMENTAL CONDITIONS This instrument is intended for indoor use in an installation category II pollution degree 2 environment It is designed to operate at a maximum relative humidity of 95 and at altitudes of up to 2000 meters Refer to the specifications ta
29. SS command CAL PASS 0 Enter the new password from the keypad You can use any number with up to six digits and an optional decimal point If you want the calibration function to operate without requiring any password change the password to 0 zero NOTE If you want the calibration function to operate without requiring any password change the password to 0 zero 62 Verification and Calibration Calibration Over the GPIB You can calibrate the dc source by using SCPI commands within your controller programming statements Be sure you are familiar with calibration from the front panel before you calibrate from a controller Each front panel calibration command has a corresponding SCPI command When you write your calibration program perform the calibration procedure in the same order as the front panel procedure documented in this appendix The SCPI calibration commands are explained in chapter 3 of the dc source Programming Guide Calibration error messages that can occur during GPIB calibration are shown in table B 3 B 63 Error Messages Error Number List This appendix gives the error numbers and descriptions that are returned by the dc source Error numbers are returned in two ways Error numbers are displayed on the front panel Error numbers and messages are read back with the SYSTem ERRor query SYSTem ERRor returns the error number into a variable and returns two parameters an NR1 and a string Th
30. USER S GUIDE Dynamic Measurement DC Source Agilent Model 66312A System DC Power Supply Agilent 6611C 6612C 6613C and 6614C cae Agilent Technologies Agilent Part No 5962 8194 Microfiche No 5962 8195 Printed in Malaysia March 2004 Warranty Information CERTIFICATION Agilent Technologies certifies that this product met its published specifications at time of shipment from the factory Agilent Technologies further certifies that its calibration measurements are traceable to the United States National Bureau of Standards to the extent allowed by the Bureau s calibration facility and to the calibration facilities of other International Standards Organization members WARRANTY This Agilent Technologies hardware product is warranted against defects in material and workmanship for a period of one year from date of delivery Agilent software and firmware products which are designated by Agilent for use with a hardware product and when properly installed on that hardware product are warranted not to fail to execute their programming instructions due to defects in material and workmanship for a period of 90 days from date of delivery During the warranty period Agilent Technologies will at its option either repair or replace products which prove to be defective Agilent does not warrant that the operation for the software firmware or hardware shall be uninterrupted or error free For warranty service with the exception of warranty opti
31. accuracy 55 voltage programming 55 verification tests 31 W warranty 2 wire current ratings 23 wiring considerations 23 73 Agilent Sales and Support Office For more information about Agilent Technologies test and measurement products applications services and for a current sales office listing visit our web site http www agilent com find tmdir You can also contact one of the following centers and ask for a test and measurement sales representative United States Agilent Technologies Test and Measurement Call Center P O Box 4026 Englewood CO 80155 4026 tel 1 800 452 4844 Canada Agilent Technologies Canada Inc 5150 Spectrum Way Mississauga Ontario L4W 5G1 tel 1 877 894 4414 Europe Agilent Technologies Test amp Measurement European Marketing Organisation P O Box 999 1180 AZ Amstelveen The Netherlands tel 31 20 547 9999 Japan Agilent Technologies Japan Ltd Measurement Assistance Center 9 1 Takakura Cho Hachioji Shi Tokyo 192 8510 Japan tel 81 426 56 7832 fax 81 426 56 7840 Technical data is subject to change 74 Latin America Agilent Technologies Latin American Region Headquarters 5200 Blue Lagoon Drive Suite 950 Miami Florida 33126 U S A tel 305 267 4245 fax 305 267 4286 Australia New Zealand Agilent Technologies Australia Pty Ltd 347 Burwood Highway Forest Hill Victoria 3131 tel 1 800 629 485 Australia
32. acement and internal adjustments must be made only by qualified service personnel Instruments that appear damaged or defective should be made inoperative and secured against unintended operation until they can be repaired by qualified service personnel saPeTYSyMBOIS SYMBOLS gt gt gt p e ARTEO AEE al 2 WARNING Caution Direct current Alternating current Both direct and alternating current Three phase alternating current Earth ground terminal Protective earth ground terminal Frame or chassis terminal Terminal is at earth potential Used for measurement and control circuits designed to be operated with one terminal at earth potential Terminal for Neutral conductor on permanently installed equipment Terminal for Line conductor on permanently installed equipment On supply Off supply Standby supply Units with this symbol are not completely disconnected from ac mains when this switch is off To completely disconnect the unit from ac mains either disconnect the power cord or have a qualified electrician install an external switch In position of a bi stable push control Out position of a bi stable push control Caution risk of electric shock Caution hot surface Caution refer to accompanying documents The WARNING sign denotes a hazard It calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in personal injury Do not pr
33. ak voltage minimum voltage high level of a voltage pulse waveform low level of a voltage pulse waveform rms voltage peak current minimum current high level of a current pulse waveform low level of a current pulse waveform rms current Agilent 66312A only fete eH HH OH O 4 Programming the Digital Output Port 44 lt reading gt V lt reading gt A lt reading gt V MAX lt reading gt V MIN lt reading gt V HIGH lt reading gt V LOW lt reading gt V RMS lt reading gt A MAX lt reading gt A MIN lt reading gt A HIGH lt reading gt A LOW lt reading gt A RMS Front Panel Operation Your dc source is shipped with the output port function set to RIDFI mode In this mode the port functions as a remote inhibit input with a discrete fault indicator output signal You can also configure the port to act as a Digital Input Output device To configure the RIDFI mode of the port proceed as follows Action 1 On the Function keypad press Output 2 Scroll through the Output menu by pressing V The PORT command lets you select either the RIDFI or the DIGIO function 3 Scroll to the RI command to configure the Remote INHibit indicator Use the and v keys to select either LIVE or LATCHING either of which enable the RI indicator With RI enabled a low true on the INH input will disable the output of the unit LIVE causes the output of the unit to track the state of the INH input LATCHING latches the output
34. ampened with water to clean the external case parts Do not attempt to clean internally WARNING To prevent electric shock unplug the unit before cleaning 21 3 Installation Location Figure 3 1 gives the dimensions of your dc source The dc source must be installed in a location that allows sufficient space at the sides and back for adequate air circulation see Bench Operation NOTE This dc source generates magnetic fields that may affect the operation of other instruments If your instrument is susceptible to operating magnetic fields do not locate it in the immediate vicinity of the dc source Typically at three inches from the dc source the electromagnetic field is less than 5 gauss Many CRT s such as those used in computer displays are susceptible to magnetic fields much lower than 5 gauss Check susceptibility before mounting any display near the dc source Bench Operation A fan cools the dc source by drawing air in through the sides and exhausting it out the back Minimum clearances for bench operation are 1 inch 25 mm along the sides Do not block the fan exhaust at the rear of the unit Rack Mounting The dc source can be mounted in a standard 19 inch rack panel or cabinet Table 2 1 documents the Agilent part numbers for the various rack mounting options that are available for the dc source Installation instructions are included with each rack mount option
35. an not running check your power source to be certain line voltage is being supplied to the dc source If the power source is normal the dc source fuse may be defective 1 Turn off the front panel power switch and unplug the power cord 2 Remove the fuse from the rear panel 3 If the fuse is defective replace it with a fuse of the same type see Input Connections in chapter 3 4 Turn on the dc source and check the operation NOTE If the dc source has a defective fuse replace it only once If it fails again the dc source requires service 34 Front panel Operation Introduction Here is what you will find in this chapter e acomplete description of the front panel controls front panel programming examples NOTE The dc source must be in set to Local mode to use the front panel controls Press the Local key on the front panel to put the unit in local mode Front Panel Description ee CEP Prot Cal Shift Rmt Addr Err SRQ SYSTEM FUNCTION TE a ee b b Figure 5 1 Front Panel Overall View ENTRY 35 5 Front Panel Operation Display Annunciators Rotary Control Output Connectors Line System Keys Function Keys Entry Keys 36 14 character vacuum fluorescent display for showing output measurements and programmed values Annunciators light to indicate operating modes and status conditions CV The dc source
36. ate command RST or RCLO m PROT DLY 0 08 Sets the output protection delay in seconds ry RILATCHING Sets the remote inhibit mode LATCHING LIVE or OFF m DFI OFF Sets the discrete fault indicator state ON or OFF y_ DFLSOUR OFF Selects the DFI source QUES OPER ESB RQS or OFF Ee PORT RIDFI Sets the output port functions RIDFI or DIGIO m DIGIO 7 Sets and reads the 1 0 port value 0 through 7 y RELAY ON Sets the output relay state ON or OFF M RELAY NORM Sets the output relay polarity NORM or REV Shit VOLT PROT 22 Sets overvoltage protection level CURR RANG HIGH Sets current range HIGH LOW or AUTO Po CURR DET ACDC Sets current measurement detector ACDC or DC Shift Cal CAL ON Accesses calibration menu See User s Guide Use and No t am on Agilent 6611C 6614C or in Compatibility mode to select menu parameters Use Meter to exit any menu and return to metering mode Not available on Agilent 66312A 13 1 Quick Reference SCPI Programming Commands At a Glance NOTE Some optional commands have been omitted for clarity Refer to the Programming Guide for a complete description of all programming commands ABORt CALibrate CURRent SOURCce POSitive MEASure LOWRange AC DATA lt n gt LEVel P1 P2 P3 P4 PASSword lt n gt SAVE STATe lt bool gt lt n gt VOLTage DC PROTection DISPlay STATe
37. aving 62 setup 53 voltage measurement 60 voltage programming 60 capacitor discharge limit 26 CC mode 42 checkout procedure 32 cleaning 21 clear protection 43 controller connections 28 controls and indicators 19 conversion ac line 69 crowbar circuit 26 current measurement range 43 CV mode 20 42 D damage 21 DC current detector 44 DFI signal 26 DIGIO 45 digital connector 21 26 digital I O 26 digital output port 45 dimensions 22 disabling multiple units 27 F enable output 42 enter value 42 entry keys 41 41 0 9 41 Backspace 41 Clear Entry 41 Enter Number 41 error messages 34 error numbers 65 features 19 FLT 45 FLT output 26 front panel 19 35 annuncuiators 36 connections 23 controls and indicators 35 keys 36 FS 38 43 FS status 26 function keys 38 A 38 Cal 40 Current 40 immediate action 38 Input 39 Meter 39 71 Index OCP 38 Output 40 Output On Off 38 OV 40 Prot Clear 38 Protect 40 Voltage 40 fuses 23 G ground earth 18 guide programming 17 guide user s 17 H history 6 GPIB 46 address 46 connections 28 interface 28 INH 45 INH input 26 input connections 23 power 18 inspection 21 line fuse replacing 34 line voltage conversion 69 load line 20 load voltage drops 24 location 22 M making measurements 43 manuals 21 measurement
38. b Turns the dc source on and off 10 b Y System keys e return to Local mode e set the GPIB address e set the RS 232 interface display SCPI error codes e save and recall instrument states Function keys e enable disable output select metering functions program voltage and current e set and clear protection functions I a scroll through the front panel menu commands Entry keys e enter values e increment or decrement values and EZI select front pane menu parameters E and select a digit in the numeric entry field Quick Reference 1 Front Panel Number Entry Enter numbers from the front panel using one of the following methods Use the arrow keys and knob to change voltage or current settings NOTE The output must be ON to see the displayed values change in Meter mode AND Use the Function keys and knob to change the displayed settings AND o Use the arrow keys to edit individual digits in the displayed setting Increments the flashing digit Decrements the flashing digit Moves the flashing digit to the right Moves the flashing digit to the left Enter Enters the value when editing is complete PEOLE Use the Function keys and Entry keys to enter a new value NOTE If you make a mistake use the Backspace key to delete the number or press the Meter key to return to meter mode E f
39. b Be Met 00 m m mO 11 1 Quick Reference Front Panel Annunciators CB i so E a A A cv cc Unr Dis OCP Prot Cal Shift Rmt Addr Err SRQ The output is operating in constant voltage mode ie The output is operating in constant current mode Unr The output is unregulated Dis The output is OFF Press the Output On Off key to turn the output on OCP The over current protection state is ON Press the OCP key to turn over current protection off protection features Press the Prot Clear key to clear the Prot Indicates that the output has been disabled by one of the protection condition Cal Calibration mode is ON Scroll to the Cal Off command and press the Enter key to exit the calibration mode Shift The Shift key has been pressed Rmt The selected Remote programming interface either GPIB or RS 232 is active Press the Local key to return the unit to front panel control Addr The interface is addressed to talk or listen Err There is an error in the SCPI error queue Press the Error key to view the error code SRQ The interface is requesting service Immediate Action Keys Output A toggle switch that turns the output of the dc source on or On Off off Activates front panel control when the unit is in remote mode unless a Lockout command is in effect Resets the protection circuit and allows the unit to return to its last programm
40. bles for the ac mains voltage requirements and ambient operating temperature range BEFORE APPLYING POWER Verify that the product is set to match the available line voltage the correct fuse is installed and all safety precautions are taken Note the instrument s external markings described under Safety Symbols GROUND THE INSTRUMENT To minimize shock hazard the instrument chassis and cover must be connected to an electrical ground The instrument must be connected to the ac power mains through a grounded power cable with the ground wire firmly connected to an electrical ground safety ground at the power outlet Any interruption of the protective grounding conductor or disconnection of the protective earth terminal will cause a potential shock hazard that could result in personal injury ATTENTION Un circuit de terre continu est essentiel en vue du fonctionnement s curitaire de l appareil Ne jamais mettre l appareil en marche lorsque le conducteur de mise la terre est d branch FUSES Only fuses with the required rated current voltage and specified type normal blow time delay etc should be used Do not use repaired fuses or short circuited fuseholders To do so could cause a shock or fire hazard DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE Do not operate the instrument in the presence of flammable gases or fumes DO NOT REMOVE THE INSTRUMENT COVER Operating personnel must not remove instrument covers Component repl
41. d press Address Enter the new address For example Press Enter Number 7 Enter Configure the RS 232 interface as follows 46 Action On the System keypad press Address Scroll through the Address menu by pressing V The interface command lets you select the RS 232 interface The baudrate command lets you select the baudrate The parity command lets you select the parity The flow command selects the flow control options The and Vv keys let you select the command parameters Display ADDRESS 5 ADDRESS 7 Display ADDRESS 5 INTF RS232 BAUDRATE 9600 PARITY EVEN XON XOFF Front Panel Operation 5 7 Saving and Recalling Operating States NOTE This capability is only available when the unit is set to the SCPI programming language You can save up to 4 states from location 0 to location 3 in non volatile memory and recall them from the front panel All programmable settings are saved Save an operating state in location 1 as follows Action Display 1 Set the instrument to the operating state that you want to save 2 Save this state to location 1 Press Save Enter Number 1 Enter SAV 1 Recall a saved state as follows Action Display 1 Recall the state saved in location 1 by pressing Recall Enter Number RCL 1 1 Enter Select the power on state of the dc source as follows Action Display 1 On the Function keypad press Output and scroll through the Output PON STATE RST menu until you get to
42. dc source whenever the OVP trips If an external voltage source such as a battery is connected across the output and the OVP is inadvertently triggered the SCR will continuously sink a large current from the battery possibly damaging the dc source To avoid this program the OVP setting to its maximum value to prevent it from inadvertently tripping Additionally an internal fuse is connected in series with the SCR This fuse will open to prevent large currents from damaging the SCR If this internal fuse has opened The FS status annunciator will be set Refer to the Service Manual for instructions about replacing this fuse In addition the OVP circuit s SCR crowbar has been designed to discharge capacitances up to a specific limit This limit is Agilent 6611C 127 000 uF Agilent 6613C 20 000 uF Agilent 6612C and 66312A 50 000 uF Agilent 6614C 10 000 uF If your load capacitance approaches this limit it is recommended that you do not intentionally trip the OVP and discharge the capacitance through the SCR as part of your normal testing procedure as this may lead to long term failure of some components INH FLT Connections This rear panel connector has a fault output port and an inhibit input port The fault FLT output also referred to as the DFI discrete fault indicator signal in the front panel and SCPI commands is an open collector circuit that pulls the positive output low with respect to the negative chassis referenc
43. e 61 B Verification and Calibration Saving the Calibration Constants WARNING Storing calibration constants overwrites the existing ones in non volatile memory If you are not sure you want to permanently store the new constants omit this step The dc source calibration will then remain unchanged 26 27 Action Display Press Shift Cal scroll to CAL SAVE and press Enter CAL SAVE Press Shift Cal select CAL OFF and press Enter to exit Calibration mode CAL OFF RST and RCL will also set the calibration state to OFF Calibration Error Messages Errors that can occur during calibration are shown in the following table Table B 6 GPIB Calibration Error Messages Error Meaning 401 CAL switch prevents calibration This is a hardware disable see the Service Manual 402 CAL password is incorrect 403 CAL not enabled 404 Computed readback cal constants are incorrect 405 Computed programming cal constants are incorrect 406 Incorrect sequence of calibration commands Changing the Calibration Password The factory default password is 0 You can change the password when the dc source is in calibration mode which requires you to enter the existing password Proceed as follows Os E Action Display Begin by pressing Shift Cal and scrolling to the CAL ON command CAL ON 0 0 Enter the existing password from Entry keypad and press Enter Press Shift Cal and scroll to the CAL PA
44. e solutions for your design and test requirements Convenient bench top features Up to 50 Watts output power Easy to use knob for voltage and current settings Highly visible vacuum fluorescent front panel display Excellent load and line regulation low ripple and noise Measurement capability down to microampere levels Current sinking up to 30 of the rated current Instrument state storage e Portable case Flexible system features GPIB IEEE 488 and RS 232 interfaces are standard SCPI Standard Commands for Programmable Instruments compatibility Triggered acquisition of digitized output current and voltage waveforms Agilent 66312A only TO setup easily done from the front panel 1 Quick Reference The Front Panel At a Glance 14 character display Annunciators shows output measurements and programmed values SYSTEM indicate operating modes and status conditions Rotary control sets voltage current and menu parameters Use e and gt to set the resolution then adjust the value with the knob Front panel output connectors Unr Dis CEP Prot Cal Shift Rmt Addr FUNCTION Error Input ov CECE ELE Err SRQ Cir Entry LINE 1 ere Bal 5 Enter Number a Save Prot Cir OCP 7 8 9 0 Cal o m On ENTRY
45. e following table lists the errors that are associated with SCPI syntax errors and interface problems It also lists the device dependent errors Information inside the brackets is not part of the standard error message but is included for clarification When errors occur the Standard Event Status register records them in bit 2 3 4 or 5 as described in the following table Table C 1 Error Numbers Error Error String Description Explanation Examples Number Command Errors 100 through 199 sets Standard Event Status Register bit 5 100 Command error generic 101 Invalid character 102 Syntax error unrecognized command or data type 103 Invalid separator 104 Data type error e g numeric or string expected got block data 105 GET not allowed 108 Parameter not allowed too many parameters 109 Missing parameter too few parameters 112 Program mnemonic too long maximum 12 characters 113 Undefined header operation not allowed for this device 121 Invalid character in number includes 9 in octal data etc 123 Numeric overflow exponent too large exponent magnitude gt 32 k 124 Too many digits number too long more than 255 digits received 128 Numeric data not allowed 131 Invalid suffix unrecognized units or units not appropriate 65 C Error Messages 66 Suffix not allowed Invalid character data bad cha
46. e the bezel use a 15 Torx drive e Remove the two screws on the bottom of the unit use a 15 Torx drive Pull the cover back to remove it from the unit Configure the Power Transformer Locate the ac input wiring harness on the left side of the transformer Use aneedlenose pliers and connect the ac input wiring harness according to the information in the following figure white red grey grey orange spare 120 VAC orang 220 VAC gt white violet Mwhite yellow _ white violet white yellow ESICI Top part of transformer Top part of transformer white red grey Front of unit Front of unit re grey orange spare f orang 100 VAC white violet white yellow 230 VAC white violet white yellow Top part of transformer Top part of transformer All AN white red grey Front of unit Front of unit Figure D 1 Power Transformer AC Input Connections 69 D Line Voltage Conversion Install the Correct Line Fuse Unscrew the line fuse cap from the rear panel and install the correct fuse For 100 120 Vac operation T2 5A time delay part number 2110 0633 For 220 230 Vac operation T1 25A time delay part
47. ection Damage When you receive your dc source inspect it for any obvious damage that may have occurred during shipment If there is damage notify the shipping carrier and the nearest Agilent Sales and Support Office immediately The list of Agilent Sales and Support Offices is at the back of this guide Warranty information is printed in the front of this guide Packaging Material Until you have checked out the dc source save the shipping carton and packing materials in case the unit has to be returned If you return the dc source for service attach a tag identifying the model number and the owner Also include a brief description of the problem Items Supplied The following user replaceable items are included with your dc source Some of these items are installed in the unit Table 3 1 Items Supplied Part Number Description Power Cord contact nearest Agilent A power cord appropriate for your location Sales and Support Office 1252 1488 A 4 terminal digital plug that connects to the back of the unit 0360 2604 A 5 terminal plug that connects to the back of the unit Line Fuse 2110 0633 T2 5A 250V time delay for 100 120 Vac operation 2110 0788 T1 25A 250V time delay for 220 230 Vac operation 5041 8801 feet for bench mounting 5962 8194 Contains installation checkout and front panel information Programming Guide 5962 8198 Contains detailed GPIB programming information Cleaning Use a dry cloth or one slightly d
48. ectly to the dc source Do not connect the load resistor or current shunt Press Shift Cal scroll to CAL VOLT and press Enter Press Shift Cal scroll to CAL LEV and press Enter to select the first calibration point Press Shift Cal scroll to CAL DATA press Enter Number and enter the voltage value displayed on the DMM Press Shift Cal scroll to CAL LEV use to scroll to P2 the second calibration point and press Enter Press Shift Cal scroll to CAL DATA press Enter Number and enter the second voltage value displayed on the DMM Overvoltage Protection Calibration 11 12 60 Action Press Shift Cal scroll to CAL VOLT PROT and press Enter Wait for the dc source to compute the OVP calibration constant The display returns to Meter mode when the calculation is complete Display RST 00 003V 0 0006A CAL ON 0 0 CAL DENIED OUT OF RANGE Display CAL VOLT CAL LEV P1 CAL DATA 0 00 CAL LEV P2 CAL DATA 0 00 Display CAL VOLT PROT Verification and Calibration B Current Programming and High Range Measurement Calibration Action Display 13 Connect the appropriate current monitor as shown in figure B 1A Connect the DMM in dc mode across the current shunt 14 Press Shift Cal scroll to CAL CURR and press Enter CAL CURR 15 Press Shift Cal scroll to CAL LEV and press Enter to select the CAL LEV P1 first calibration point 16 Press Shift Cal and scroll to CAL DATA Wait for the
49. ed common The high impedance inhibit INH input also referred to as the RI remote inhibit signal in the front panel and SCPI commands is used to shut down the power supply output whenever the INH is pulled low with respect to the INH chassis referenced common The connector accepts wires sizes from AWG 22 to AWG 12 Disconnect the mating plug to make your wire connections 26 Installation 3 NOTE It is good engineering practice to twist and shield all signal wires to and from the digital connectors If shielded wire is used connect only one end of the shield to chassis ground to prevent ground loops Figure 3 4 shows how you can connect the FLT INH circuits of the dc source In example A the INH input connects to a switch that shorts the Inhibit pin to common whenever it is necessary to disable output of the unit This activates the remote inhibit RI circuit which turns off the dc output The front panel Prot annunciator comes on and the RI bit is set in the Questionable Status Event register To re enable the unit first open the connection between pins INH and common and then clear the protection circuit This can be done either from the front panel or over the GPIB RS 232 In example B the FLT output of one unit is connected to the INH input of another unit A fault condition in one of the units will disable all of them without intervention either by the controller or external circuitry The controller can be made a
50. ed state OCP A toggle switch that enables or disables overcurrent protection Quick Reference 1 Front Panel Menus At a Glance ADDRESS 7 Sets the GPIB Address INTF GPIB Selects an interface GPIB or RS232 BAUDRATE 300 Selects baud rate 300 600 1200 2400 4800 9600 PARITY NONE Selects message parity NONE EVEN ODD MARK SPACE FLOW NONE Selects flow control XON XOFF RTS CTS DTR DSR NONE LANG SCPI Selects language SCPI or COMP RCL 0 Recalls instrument state ETT AE SAV 0 Saves present instrument state ERROR 0 Displays errors in SCPI error queue 12 000V 0 204A Measures output voltage and current 12 500V MAX Measures peak output voltage 1 000V MIN Measures minimum output voltage 12 330V HIGH Measures the high level of a voltage pulse waveform 0 080V LOW Measures the low level of a voltage pulse waveform 12 000V RMS Measures rms voltage 0 350A MAX Measures peak output current 0 050A MIN Measures minimum output current 0 400A HIGH Measures the high level of a current pulse waveform 0 012A LOW Measures the low level of a current pulse waveform 0 210A RMS Measures rms current VOLT 20 000 Sets the output voltage DHE S Q D urrent CURR 2 000 Sets the output current OC Protection status example shows overcurrent tripped RST Places the dc source in the factory default state ry PON STATE RST Select the power on st
51. ent High Voltage Vou Front Panel measurement Current Programming and Measurement High Range Low Current Lout 0 5 mA A 0 5 mA High Current Iou 0 999 A A 1 001 A Front Panel measurement Tout 2 2 MA mA Tout 2 2 MA Current Measurement Low Range Low Current measurement Tour 2 5 WA _ HA Tour 2 5 WA High Current measurement Tout 22 5 WA _ HA Tour 22 5 WA Current Sink Measurement Low Current Sink measurement Link 22 5 WA _ HA Tink 22 5 WA High Current Sink measurement Iink 2 8 mA mA Table B 6 Verification Test Record for Agilent 6614C Tsik 2 8 mA Model Agilent 6614C Test Description Minimum Specification Date Recorded Results Maximum Specification Voltage Programming and Measurement Low Voltage Vou 50 mV V 50 mV Front Panel measurement Vout 12 mV mV Vou 12 mV High Voltage Vou 99 900 V V 100 100 V Front Panel measurement V out 42 mV mV Vou 42 mV Current Programming and Measurement High Range Low Current Lout 0 25 mA A 0 25 mA High Current Iou 0 4995 A A 0 5005 A Front Panel measurement Tou 1 1 mA _ mA Tour 11 1 mA Current Measurement Low Range Low Current measurement Tour 2 5 WA _ HA Tout 2 5 UA High Current measurement Tout 22 5 WA _ HA Tour 22 5 WA Current Sink Measurement Low Current Sink measurement Link 22 5 WA HA Link 22 5 WA Hi
52. ess this key to reset the protection circuit and allow the unit to return to its last programmed state The condition that caused the protection circuit to become active must be removed prior to pressing this key or the unit will shut down again and display the Prot annunciator again If FS protection is displayed on the front panel the unit must be opened and an internal fuse replaced as described in the Service manual Press this key to toggle between OCP enabled and disabled If OCP is enabled the output will become disabled if the output mode changes from CV to CC mode The OCP annunciator indicates the state of OCP Scrolling Keys Scrolling keys let you move through the commands in the presently selected function menu al Press a to bring up the next command in the list Press A to go back to the previous command in the list Function menus are circular you can return to the starting position by continuously pressing either key The following example shows the commands in the Input function menu CURR RANGE lt char gt Pr CURR DET lt char gt 38 Front Panel Operation 5 Metering Keys Metering keys control the metering functions of the dc source When the unit is operating in front panel meter mode all front panel measurements are calculated from a total of 2048 readings taken at a 46 8 microsecond sampling rate Therefore the total acquisition time for a single front panel measurement is about 100 milliseco
53. f p n 5062 3996 and Slide kit p n 1494 0015 Service manual with extra operating manuals Support rails are required when rack mounting units Use E3663A support rails for Agilent rack cabinets and E3664A for non Agilent GPIB cables 1 0 meter 3 3 ft 2 0 meters 6 6 ft 4 0 meters 13 2 ft 0 5 meters 1 6 ft RS 232 cable 9 pin F to 9 pin F rack cabinets Table 2 2 Accessories Part Number 10833A 10833B 10833C 10833D 34398A 2 5 meter null modem printer cable with one 9 pin M to 25 pin F adapter RS 232 adapter kit contains 4 adapters 34399A 9 pin M to 25 pin M for pc or printer 9 pin M to 25 pin M for pc or printer 9 pin M to 25 pin M for modem 9 pin M to 9 pin M for modem 18 General Information 2 Description Both the Agilent 66312A Dynamic Measurement DC Source and the Agilent 6611C 6612C 6613C and 6614C System DC Power Supplies combine two instruments in one unit They include a de source which produces dc output with programmable voltage and current amplitude and a highly accurate voltage and current meter with the capability to measure very low level currents Additionally the Agilent 66312A Dynamic Measurement DC Source has the ability to measure and characterize output voltage and current of pulse or ac waveforms Capabilities Output Voltage and Current control with 12 bit programming resolution Extensive measurement capability dc voltage and current rms and
54. fax 61 3 9272 0749 tel 0 800 738 378 New Zealand fax 64 4 802 6881 Asia Pacific Agilent Technologies 24 F Cityplaza One 1111 King s Road Taikoo Shing Hong Kong tel 852 3197 7777 fax 852 2506 9284 Manual Updates The following updates have been made to this manual since the November 1997 printing indicated on the Printing History page 7118 99 The Isink rating referred to on page 20 has been corrected Additional information about CV mode operation has also been added to this page Notes have been added to Table A 1 for the Ripple and Noise specifications as well as the DC Measurement Accuracy Voltage specification A note has been added to table A 2 for the OVP Accuracy characteristic and the Isolation to Ground characteristic has been corrected Steps 19 and 20 on page 61 under Low Range Current Measurement Calibration have been switched 1 7 00 All references to HP have been changed to Agilent All references to HP IB have been changed to GPIB A note about magnetic fields has been added to page 22 On page 49 the model reference for note 3 has been corrected 2 21 01 Fuse part numbers on page 21 and 68 have been corrected A note has been added to Table A 1 for the Programming Accuracy specification 4 11 03 The Canada ICES NMB 001 statement has been added to page 3 A correction has been made to the Programming Accuracy note in table A 1 10 2 03 The Ripple and Noise specification
55. for Model 6614C has changed in table A 1 3 9 04 The ac input ratings and fuse information has been updated as per IEC 61010 1 requirements throughout the manual The Declaration of Conformity has been updated on page 5 5 11 09 A URL has been added to the declarations pages to obtain the latest declaration of conformity Corrections have been made to Figure 3 5 The RF field annotation note has been removed from Table A 1
56. gh Current Sink measurement Isin 1 7 mA mA Isin 1 7 mA 58 Verification and Calibration B Performing the Calibration Procedure NOTE The calibration procedure can only be performed using the SCPI language commands Use either the front panel Address key to access the LANG command or use the SYSTem LANGuage command to change the programming language to SCPI Table B 1 lists the equipment required for calibration Figure B 1 shows the test setup You do not have to do a complete calibration each time If appropriate you may calibrate only the voltage or current and proceed to Saving the Calibration Constants However the voltage or current calibration sequence must be performed in its entirety The following parameters may be calibrated voltage programming and measurement overvoltage protection OVP current programming and measurement low range measurement ac current measurement eff Front Panel Calibration Menu The Entry keypad is used for calibration functions Press this key to access the calibration menu Display Command Function CAL ON lt value gt Turns calibration mode on when the correct password value is entered CAL OFF Turns calibration mode off CAL LEV lt char gt Advance to next step in sequence P1 or P2 CAL DATA lt value gt Enter an external calibration measurement CAL VOLT Begin voltage calibration sequence CAL VOLT PROT Begin voltage protection calibration CAL CURR Begin
57. ibility EMC Certificate of Conformance Number CC TCF 00 030 based on Technical Construction File TCF HPNJ8 dated Apr 25 2000 Assessed by Celestica Ltd Appointed Competent Body Westfields House West Avenue Kidsgrove Stoke on Trent Straffordshire ST7 1TL United Kingdom Safety Information and Conforms to the following safety standards TEC 61010 1 2001 EN 61010 1 2001 Canada CSA C22 2 No 1010 1 1992 UL 61010B 1 2003 This DoC applies to above listed products placed on the EU market after January 1 2004 Easy Date Bill Darcy Regulations Manager For further information please contact your local Agilent Technologies sales office agent or distributor or Agilent Technologies Deutschland GmbH Herrenberger Strape 130 D71034 B blingen Germany Revision B 00 00 Issue Date Created on 11 24 2003 3 14 Document No Eagle 11 24 doc PM To obtain the latest Declaration of Conformity go to http regulations corporate agilent com and click on Declarations of Conformity Acoustic Noise Information Herstellerbescheinigung Diese Information steht im Zusammenhang mit den Anforderungen der Maschinenlaminformationsverordnung vom 18 Januar 1991 Schalldruckpegel Lp lt 70 dB A Am Arbeitsplatz Normaler Betrieb Nach EN 27779 Typpriifung Manufacturer s Declaration This statement is provided to comply with the requirements of the German Sound Emission Directive from 18 January 1991 Sound
58. ifications Supplemental Characteristics B VERIFICATION AND CALIBRATION Introduction Equipment Required Test Setup Performing the Verification Tests Turn On Checkout Voltage Programming and Measurement Accuracy Current Programming and Measurement Accuracy Performing the Calibration Procedure Front Panel Calibration Menu Front Panel Calibration Calibration Error Messages Changing the Calibration Password Calibration Over the GPIB C ERROR MESSAGES Error Number List D LINE VOLTAGE CONVERSION Open the Unit Configure the Power Transformer Install the Correct Line Fuse Close the Unit INDEX Quick Reference Agilent 66312A Dynamic Measurement DC Source and Agilent 6611C 6612C 6613C 6614C System DC Power Supply The Agilent 66312A is a 40 Watt high performance dc power supply that provides dynamic measurement and analysis of voltage and current waveforms It is designed to simplify the testing of digital cellular and mobile phones For example data acquired using its dynamic measurement capability can be used in determining the battery operating time of digital wireless communications products The Agilent 6611C 6612C 6613C and 6614C are 40 and 50 Watt high performance dc power supplies with output current measurement capability in the microampere range They are well suited for testing portable battery powered products Additionally the combination of bench top and system features in these dc sources provide versatil
59. ird level key function the numeric entry keys These third level function keys are labeled in green These keys let you scroll up and down through the choices in the presently selected function menu All menu lists are circular you can return to the starting position by continuously pressing either key These keys let you select the previous or the next parameter for a specific command If the command has a numeric range these keys increment or decrement the existing value In meter mode these keys can be used to adjust the magnitude of the output voltage or current Only the flashing digit is changed by these keys Use the and gt keys to move the flashing digit These Entry keys move the flashing digit in a numeric entry field to the right or left This lets you increment or decrement a specific digit in the entry field using the and keys or the rotary control knob The backspace key is an erase key If you make a mistake entering a digit and have not yet pressed Enter you can delete the digit by pressing Backspace Delete more digits by repeatedly pressing this key Executes the entered value or parameter of the presently accessed command Until you press this key the parameters you enter with the other keys are displayed but not entered into the dc source After pressing Enter the dc source returns to Meter mode 31 4 Turn On Checkout Checkout Procedure The tests in this section checks for output voltage and c
60. les of Front Panel Programming You will find these examples on the following pages NYDN FWN Setting the output voltage and current Querying and clearing output protection Making front panel measurements Programming the digital port Programming the output relay option 760 only Setting the GPIB address or RS 232 parameters Saving and recalling operating states Similar examples are given in the dc source Programming Guide using SCPI commands 1 Setting the Output Voltage and Current Set the output voltage Action Display 1 To enter an approximate value without using the voltage menu On the Entry 7 003V 0 004A keypad press or to select the 1 s digit in the voltage field Then rotate the front panel RPG knob to obtain 7 V If the unit is in CC mode you won t see the output voltage change until the voltage setting is low enough to cause the unit to go into CV mode The easiest way to enter an accurate value On the Function keypad press VOLT 7 000 Voltage On the Entry keypad press 7 Enter To make minor changes to an existing value On the Function keypad press VOLT 8 000 Voltage On the Entry keypad press or to select the digit in the numeric field that you wish to change For example move the flashing digit to the ones column to change a value in this column Then press to scroll from 7 000 to 8 000 Then press Enter Set the output current Action Display To enter an approximate value without usi
61. lt bool gt MODE NORMal TEXT TEXT lt display_string gt INITiate IMMediate SEQuence 1 2 NAME TRANsient ACQuire CONTinuous SEQuence 1 lt bool gt NAME TRANsient lt bool gt MEASure FETCh2 ARRay CURRent VOLTage SCALar CURRent DC ACDC 1 HIGH 1 LOW 1 MAX 1 MIN VOLTage DC ACDC 1 HIGH 1 LOW MAX 1 MIN OUTPut STATe lt bool gt NORelay DFI STATe lt bool gt SOURce QUES OPER ESB RQS OFF PON STATe RST RCLO PROTection CLEar DELay lt n gt RELay STATe lt bool gt POLarity NORM REVS RI MODE LATCHing LIVE OFF Not available on Agilent 6611C 6614C 2Fetch commands not available on Agilent 6611C 6614C 3 Not available on Agilent 66312A 14 SENSe CURRent RANGe lt n gt DETector ACDC DC FUNCtion VOLT CURR SWEep OFFSet POINts lt n gt POINts lt n gt TINTerval lt n gt WINDow HANN RECT SOURce CURRent LEVel IMMediate lt n gt TRIGgered lt n gt PROTection STATe lt bool gt DiGital DATA lt n gt FUNCtion RIDF DIG VOLTage LEVel IMMediate lt n gt TRIGgered lt n gt PROTection lt n gt STATus PRESet OPERation EVENt CONDition ENABle lt n gt NTRansition lt n gt PTRansition lt n gt QUEStionable EVENt CONDition ENABle lt n gt NTRansition lt n gt PTRansition lt n gt SYSTem ERRor LANGuage SCPI COMPatibilit
62. ms 2mA 1 mA 1 mA 1 mA 20 MHz with outputs ungrounded or with either terminal grounded Load Regulation Voltage 2 mV 2 mV 4 mV 5 mV change in output voltage Current 1mA 0 5 mA 0 5 mA 0 5 mA or current for any load change within ratings Line Regulation Voltage 0 5 mV 0 5 mV 1mV 1 mV change in output voltage Current 0 5 mA 0 5 mA 0 25 mA 0 25 mA or current for any line change within ratings Transient Response lt 100 us Time for the output voltage to recover to its previous level within 0 1 of the voltage rating of the unit or 20 millivolts following a change in load current of up to 50 of the output current rating 10 05 3 32mA Agilent 6611C 1 53mA Agilent 66312A 12C 1 01mA Agilent 6613C 0 63mA Agilent 6614C when programming between zero and 0 03 of full scale current Applies for output voltages greater than 10mV Agilent 6611C 12C 25mV Agilent 6613C and 50mV Agilent 6614C gt For Agilent 66312A applies in SCPI mode with current detector set to DC With current detector set to ACDC accuracy is 0 2 four times the fixed error value In COMPatibility mode accuracy is 0 2 six times the fixed error value For Agilent 66312A from 1 MHz to 20 MHz 0 5mV 15mV Applies at rear terminals with unit set to remote sensing and with sense terminals externally jumpered to their respective output terminals 49 A Specifications Supplemental Characteristics Table A 2 lists the su
63. nal pull up Agilent 66312A Agilent 6611C 6614C Low level input current 0 4 V 1 25 mA High level input current 5 V 0 25 mA Low level input voltage 0 8 V max High level input voltage 2 0 V min Isolation to Ground 50 Vdc 240 Vdc Maximum from either output terminal to chassis Recommended Calibration 1 year Interval from the date the unit is put into service Regulatory Compliance Listing pending UL 3111 1 Certified to CSA 22 2 No 1010 1 Conforms to IEC 1010 1 Complies with EMC directive 89 336 EEC ISM Group Class B Dimensions Height 88 1 mm 3 5in 88 1 mm 3 5in see figure 3 1 Width 212 8 mm 8 4in 212 8 mm 8 4in Depth 444 4 mm 17 5 in 368 3 mm 14 5 in Net weight 8 8 kg 19 5 Ibs 8 2 kg 18 16 lbs Shipping weight 11 1 kg 24 5 lbs 10 6 kg 23 5 lbs 52 Verification and Calibration Introduction This appendix includes verification and calibration procedures for the Agilent 66312A 6611C 6612C 6613C and 6614C dc source Instructions are given for performing the procedures either from the front panel or from a controller over the GPIB The verification procedures do not check all the operating parameters but verify that the dc source is performing properly Performance Tests which check all the specifications of the dc source are given in the applicable dc source Service Manual Important Perform the verification procedures before
64. nds Refer to Making Front Panel Measurements for more information NOTE You can vary the both the sampling rate and the number of data points in each measurement when controlling the unit over the GPIB interface Refer to chapter 3 in the Programming Guide Press this key to access the meter menu list Also use this key to exit a menu at any time and return to meter mode Display Measurement lt reading gt V lt reading gt A Measures output dc voltage and current lt reading gt V MAX Measures peak output voltage lt reading gt V MIN Measures minimum output voltage lt reading gt V HIGH Measures the high level of a voltage pulse waveform lt reading gt V LOW Measures the low level of a voltage pulse waveform lt reading gt V RMS Measures rms voltage lt reading gt A MAX Measures peak output current lt reading gt A MIN Measures minimum output current lt reading gt A HIGH Measures the high level of a current pulse waveform lt reading gt A LOW Measures the low level of a current pulse waveform lt reading gt A RMS Measures rms current Press this key to access the following metering functions Display CURR RANGE lt char gt CURR DET lt char gt Notes Command Function Select current range AUTO LOW or HIGH Select current measurement bandwidth ACDC or DC Not available on Agilent 6611C 6614C or in Compatibility mode reading the returned measurement value a numeric value char
65. ng the current menu On the Entry 8 003V 0 400A keypad press or to select the tenths digit in the current field Rotate the front panel RPG knob to obtain 0 4A If the unit is in CV mode you won t see the output current change until the current setting is low enough to cause the unit to go into CC mode The easiest way to enter an accurate value On the Function keypad press CURR 0 400 Current On the Entry keypad press 4 Enter To make minor changes to an existing value On the Function keypad press CURR 0 500 Current On the Entry keypad press or to select the digit in the numeric field that you wish to change For example move the flashing digit to the tenths column to change a value in this column Then press to scroll from 0 400 to 0 500 Then press Enter Enable the output 42 Action Display On the Function keypad press Output On Off to enable the output The Dis 8 003 V _ 0 500A annunciator will go off indicating that the voltage is now applied to the output terminals The A display indicates the actual output current Front Panel Operation 5 2 Querying and Clearing Output Protection The de source will disable its output if it detects an overvoltage or overcurrent fault condition Other automatic fault conditions such as overtemperature also will disable the output Query and clear the dc source overcurrent protection feature as follows Action Display 1 On the Function keypad press
66. ngs within high current limits see table B 3 4 5 or 6 Normal Result CURR RANG LOW Output current near 0 A Readings within low current measurement see table B 3 4 5 or 6 Output current near 20 mA Readings within high current measurement see table B 3 4 5 or 6 Normal Result CURR RANG LOW CURR DET DC Output current near 20 mA Readings within low current sink measurement see table B 3 4 5 or 6 CURR RANG HIGH Output current near Isink see table B 2 Readings within high current sink measurement see table B 3 4 5 or 6 Verification and Calibration B Table B 3 Verification Test Record for Agilent 6611C Model Agilent 6611C Test Description Minimum Specification Date Recorded Results Maximum Specification Voltage Programming and Measurement Low Voltage Vout 5 mV V 5 mV Front Panel measurement Vout 2 mV mV Vou 2 MV High Voltage Vou 7 991 V V 8 009 V Front Panel measurement Vout 4 4 mV ____mvV V ou 4 4 mV Current Programming and Measurement High Range Low Current Iout 2mA A 2mA High Current Iou 4 9955 A A 5 0045 A Front Panel measurement Tour 10 5 mA mA Tour 10 5 mA Current Measurement Low Range Low Current measurement Tour 2 5 WA _ HA Tour 2 5 WA High Current measurement Tout 22 5 WA _ HA Tour 22 5 WA Current Sink Measurement Low Current Sink measurement
67. oceed beyond a WARNING sign until the indicated conditions are fully understood and met The CAUTION sign denotes a hazard It calls attention to an operating procedure or the like which if not correctly performed or adhered to could result in damage to or destruction of part or all of the product Do not proceed beyond a CAUTION sign until the indicated conditions are fully understood and met DECLARATION OF CONFORMITY According to ISO IEC Guide 22 and CEN CENELEC EN 45014 Manufacturer s Name and Address Responsible Party Alternate Manufacturing Site Agilent Technologies Inc Agilent Technologies Malaysia Sdn Bhd 550 Clark Drive Suite 101 Malaysia Manufacturing Budd Lake New Jersey 07828 Bayan Lepas Free Industrial Zone PH HI USA 11900 Penang Malaysia Declares under sole responsibility that the product as originally delivered Product Names a Mobile Communications DC Source b System DC Power Supply Model Numbers a 66332A 66312A 66311B 66311D 66309B 66309D 66319B 66319D 66321B 66321D b 6631B 6632B 6633B 6634B 6611C 6612C 6613C 6614C Product Options This declaration covers all options and customized products based on the above products Complies with the essential requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC including 93 68 EEC and carries the CE Marking accordingly EMC Information ISM Group 1 Class A Emissions As detailed in Electromagnetic Compat
68. of the unit off in response to the inhibit signal 4 Access the Output menu again and scroll through the menu The DFI command lets you enable the Discrete Fault Indicator Use the v key and select ON to enable the FLT output With the FLT output enabled the open collector logic signal can be used to signal external devices when a fault condition is detected 5 Scroll to the DFI SOUR command to select the internal source that drives this signal Use the Vv key to select from the RQS or ESB bits or the Operation or Questionable status registers Status summary bits are explained in chapter 3 of the Programming Guide To configure the DIGIO mode of the port proceed as follows Action 1 On the Function keypad press Output 2 Scroll through the Output menu by pressing V The PORT command lets you select either the RIDFI or the DIGIO function 3 Scroll to the DIGIO command to set and read the Digital Input Output Port Press Enter Number and enter a number from 0 to 7 to program the four bits 0 programs all bits low 7 programs all bits high Press Enter when done Display RST PORT RIDFI RI LIVE RI LATCHING DFI ON DFI SOUR RQS DFI SOUR ESB DFI SOUR OPER DFI SOUR QUES Display RST PORT DIGIO DIGIO 5 5 45 5 Front Panel Operation 5 Programming the Output Relay option 760 only Units with option 760 have isolation and polarity reversal relays connected to the output and sense terminals Option 76
69. on features example shows all tripped Status of the protection features example shows none tripped Press this key to access the overvoltage protection menu Display Command Function VOLT PROT lt value gt Sets overvoltage protection level This key accesses the calibration menu Refer to Appendix B for details These parameters are stored in non volatile memory These status summary bits are explained in chapter 3 of the Programming Guide Not available on Agilent 66312A value a numeric value char a character string parameter Use and to scroll through the menu commands Use and to scroll through the menu parameters Use and to select a digit in a numeric entry field Front Panel Operation 5 Entry Keys Refer to the examples later in this chapter for more details on the use of these keys ENTRY Cir Entry a zz N A N E N E D G y Number 1 S 2 S A 3 A 4 Se 5 5 SS A SS A NS a NF SS gt a S pm D gt A D A N gt SS A 7 SS A 7 A A 8 l 9 S A 0 S A S 2 f e Q Backspace Figure 5 4 Entry Keys gt Y These keys let you scroll through choices in a parameter list that apply to a specific command Parameter lists are circular you can return to the starting position by continuously pressing either key If the command has a numeric range these keys increment or decrement the existing value In meter mode these keys
70. ons this product must be returned to a service facility designated by Agilent Customer shall prepay shipping charges by and shall pay all duty and taxes for products returned to Agilent for warranty service Except for products returned to Customer from another country Agilent shall pay for return of products to Customer Warranty services outside the country of initial purchase are included in Agilent s product price only if Customer pays Agilent international prices defined as destination local currency price or U S or Geneva Export price If Agilent is unable within a reasonable time to repair or replace any product to condition as warranted the Customer shall be entitled to a refund of the purchase price upon return of the product to Agilent LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by the Customer Customer supplied software or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site preparation and maintenance NO OTHER WARRANTY IS EXPRESSED OR IMPLIED AGILENT SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE EXCLUSIVE REMEDIES THE REMEDIES PROVIDED HEREIN ARE THE CUSTOMER S SOLE AND EXCLUSIVE REMEDIES AGILENT SHALL NOT BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER BA
71. pplemental characteristics which are not warranted but are descriptions of typical performance determined either by design or type testing Table A 2 Supplemental Characteristics Parameter Agilent 6611C Agilent6612C Agilent 6613C Agilent 6614C Agilent 66312A Input Rating 100 Vac mains 100 Vac nominal 50 60 Hz 2A 200 VA max at full load 120 Vac mains 120 Vac nominal 50 60 Hz 1 7A 200 VA max 220 Vac mains 220 Vac nominal 50 60 Hz 0 95A 200 VA max 230 Vac mains 230 Vac nominal 50 60 Hz 0 85A 200 VA max Output Programming Voltage 0 8 190 V 0 20 475 V 0 51 188 V 0 102 38 V Range Currrent 0 5 118 A 0 2 0475 A 0 1 0238 A 0 0 5118 A OVP 12 V 0 22 V 0 55 V 0 110 V Average Programming Voltage 2mV Resolution Current 1 25 mA OVP 60 mV OVP Accuracy 24 200 mV 240 mV 600 mV 2 43 A 1 28 A Average Current High Range 213 uA 74 uA 39 uA 21 uA Measurement Low Range 0 6 uA 0 6 uA 0 6 uA 0 6 uA Resolution Programming Accuracy Voltage 0 01 0 15 mV 0 25 mV 0 5 mV 1 mV Temperature Coefficient Current 0 01 30 uA 12 uA 6 uA 3 uA change C9 OVP 0 015 2 mV 4 mV 10 mV 20 mV Readback Accuracy Voltage 0 01 Temperature Coefficient change C Current DC 0 02 Current ACDC 0 05 Current Low Range 0 01 Current 0 01 50 uA 20 uA 10uA 10uA Output Voltage Rise Fall Time 2 ms for a change from 10 to 90 or 90 to 10 of the total excursion Output Voltage Settling Time to se
72. put Record the current reading from the DMM as well as from the front panel display The difference between the two readings should be within the limits specified in the table Set the output voltage to 8 V Record the current reading from the DMM as well as from the front panel display The difference between the two readings should be within the limits specified in the table Current Sink Measurement 13 14 15 16 17 18 19 20 56 Action Turn off the dc source and connect an external supply to the output of the unit as shown in figure B 1C using the 400 ohm load resistor Set the DMM to operate in current mode Turn on the dc source access the Input menu and set the current range to LOW Access the Input menu and set the current sense detector to DC Turn on the external supply and program it to 8 volts and 5 A Program the dc source to 0 V and 0 5 A Press Output On Off to enable the output Record the current reading from the DMM as well as from the front panel display The difference between the two readings should be within the limits specified in the table Access the Input menu and set the current range to HIGH Short out the load resistor by connecting a jumper across it Record the current reading from the DMM as well as from the front panel display The difference between the two readings should be within the limits specified in the table limits see table B 3 4 5 or 6 Readi
73. racter or unrecognized Character data too long Character data not allowed String data error Invalid string data e g END received before close quote String data not allowed Block data error Invalid block data e g END received before length satisfied Block data not allowed Expression error Invalid expression Expression data not allowed Execution Errors 200 through 299 sets Standard Event Status Register bit 4 Execution error generic Data out of range e g too large for this device Too much data out of memory block string or expression too long Illegal parameter value device specific Out of memory Macro error Macro execution error Illegal macro label Macro recursion error Macro redefinition not allowed System Errors 300 through 399 sets Standard Event Status Register bit 3 System error generic Too many errors errors beyond 9 lost due to queue overflow Query Errors 400 through 499 sets Standard Event Status Register bit 2 Query error generic Query INTERRUPTED query followed by DAB or GET before response complete Query UNTERMINATED addressed to talk incomplete programming message received Query DEADLOCKED too many queries in command string Query UNTERMINATED after indefinite response Error Messages C Selftest Errors 0 through 99 sets Standard Event Status Register bit 3 No error Non volatile RAM RDO section checksum failed Non volatile RAM
74. racy 54 Verification and Calibration B Table B 2 Verification Programming Values Full scale Full Scale Isink Voltage Current 6611C 8 5 3A 6612C 66312A 20 2 12A 6613C 50 1 0 6A 6614C 100 0 5 0 3A Turn On Checkout Perform the Turn On Checkout as directed in chapter 4 NOTE The dc source must pass turn on selftest before you can proceed with the verification tests Voltage Programming and Measurement Accuracy This test verifies the voltage programming GPIB measurement and front panel meter functions Values read back over the GPIB should be the same as those displayed on the front panel Measure the dc output voltage at the output terminals Make sure the sense switch is set to remote and the sense terminals are directly jumpered to the output terminals Action 1 Turn off the dc source and connect a DMM to the output terminals 2 Turn on the dc source with no load on the output Set the output voltage to 0 V and the output current to full scale see table B 2 Press Output On Off to enable the output 3 Record voltage readings at the DMM and on the front panel display 4 Set the output voltage to the full scale rated voltage see table B 2 5 Record voltage readings at the DMM and on the front panel display Normal Result Output voltage near 0 V Output current near 0 A Readings within low voltage limits see table B 3 4 5 or 6 Output voltage near full scale Readings
75. re the RS 232 interface see chapter 4 in User s Guide 15 General Information Document Orientation This manual describes the operation of the Agilent Model 66312A Dynamic Measurement DC Source and the Agilent Model 6611C 6612C 6613C and 6614C System DC Power Supplies Unless otherwise noted all units will be referred to by the description dc source throughout this manual The following documents and software are shipped with your dc source e aUser s Guide this document contains installation checkout and front panel information a Programming Guide contains detailed GPIB programming information The following Getting Started Map will help you find the information you need to complete the specific task that you want to accomplish Refer to the table of contents or index of each guide for a complete list of the information contained within Getting Started Map Task Where to find information Installing the unit User s Guide Line voltage connections Computer connections Load connections Checking out the unit User s Guide Verifying proper operation Using the front panel Calibrating the unit Using the front panel User s Guide Front panel keys Front panel examples Using the programming interface User s Guide GPIB interface Programming Guide RS 232 interface Programming the unit using SCPI and Compatibility Programming Guide commands SCPI commands SCPI programming examples Compatibility language Ins
76. rrent F 7 0 25 A Max TTL AS CMOS HC NOTE Connectors Relay Driver are removable Ports 0 1 2 Digital Intput Supply contains Port 2 internal clamp diodes Tala ale for inductive flyback ff l Vis 4321 A Relay Circuits B Digital Interface Circuits Figure 3 5 Digital I O Examples Controller Connections The dc source connects to a controller either through an GPIB or an RS 232 connector GPIB Interface Each dc source has its own GPIB bus address which can be set using the front panel Address key as described in chapter 5 GPIB address data is stored in non volatile memory The dc source is shipped with its GPIB address set to 5 Dc sources may be connected to the GPIB interface in series configuration star configuration or a combination of the two provided the following rules are observed 28 Installation 3 The total number of devices including the controller is no more than 15 The total length of all cables used is no more than 2 meters times the number of devices connected together up to a maximum of 20 meters Refer to table 2 2 for a list of GPIB cables available from Agilent Technologies Do not stack more than three connector blocks together on any GPIB connector Make sure all connectors are fully seated and the lock screws are firmly finger tightened RS 232 Interface The de source has an RS 232 programming interface which is activated by commands located in
77. s removable DG DC Volt t Current Toad ONMIEIET monitor Ammeter Resistor A B 7 ae SENSE NOTE Connector ry Remote Calibration Load Resistor is removable 400 6611C LIK 6612C amp 66312A 2 5K 6613C Set to 5K 6614C Remote DC Load Ammeter resistor 400 ohm External DC supply Figure B 1 Verification amp Calibration Test Setup Performing the Verification Tests NOTE The verification procedure can only be performed using the SCPI language commands Use either the front panel Address key to access the LANG command or use the SYSTem LANGuage command to change the programming language to SCPI The following procedures assume you understand how to operate the dc source from the front panel as explained in chapter 5 When performing the verification tests from an GPIB controller you may have to consider the relatively slow settling times and slew rates of the dc source as compared to computer and system voltmeters Suitable WAIT statements can be inserted into the test program to give the dc source time to respond to the test commands Perform the following tests for operation verification in the order indicated 1 Turn On Checkout 2 Voltage Programming and Measurement Accuracy 3 Current Programming and Measurement Accu
78. se W to scroll to the LANG command press to select SCPI then press Enter Refer to the Programming Guide supplied with your dc source for further information about remote programming The dc source may be remotely programmed via the GPIB bus and or from an RS 232 serial port GPIB programming is with SCPI commands Standard Commands for Programmable Instruments which make the dc source programs compatible with those of other GPIB instruments Compatibility commands are also included to make the dc source compatible with the Agilent 6632A 6633A and 6634A Series dc power supplies refer to appendix D in the the Programming Guide Dc source status registers allow remote monitoring of a wide variety of dc source operating conditions 19 2 General Information Output Characteristic The dc source s output characteristic is shown in the following figure The output of the dc source may be adjusted to any value within the boundaries shown Output 4 Voltage Vmax A VSET CV operating line CC operating line an E Output gt Gunent Isink 0 ISET Imax 60 Imax Figure 2 1 Dc Source Output Characteristic The dc source can operate in either constant voltage CV or constant current CC over the rated output voltage and current Although the dc source can operate in either mode it is designed as a constant voltage source This means that the unit turns on in constant voltage mode with the outp
79. talling the VXIplug amp play instrument driver Programming Guide NOTE The driver must be installed on your pc to access the on line information Drivers are available on the web at www agilent com find drivers 17 2 General Information Safety Considerations This de source 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 source equipped with a ground receptacle Refer to the Safety Summary page at the beginning of this guide for general safety information Before installation or operation check the dc source and review this guide for safety warnings and instructions Safety warnings for sp ecific procedures are located at appropriate places in the guide Options and Accessories Table 2 1 Options Description 100 Vac nominal 50 60 Hz 120 Vac nominal 50 60 Hz 220 Vac nominal 50 60 Hz 230 Vac nominal 50 60 Hz Isolation and polarity reversal relays not available on Agilent 66312A Rack mount kit for one unit p n 5062 3972 Rack mount kit for 2 side by side units Consists of Lock link kit p n 5061 9694 and Flange kit p n 5062 3974 Rack mount and slide kit for 2 side by side units of different depth Consists of Support shelf p n 5062 3996 and Slide kit p n 1494 0015 Rack mount slide kit and support shelf for mounting one unit Consists of Fill panel p n 5062 4022 Support shel
80. tate 33 4 Turn On Checkout In Case of Trouble Error Messages De source failure may occur during power on selftest or during operation In either case the display may show an error message that indicates the reason for the failure Selftest Errors Pressing the Shift Error keys will show the error number Selftest error messages appear as ERROR lt n gt where n is a number listed in the following table If this occurs turn the power off and then back on to see if the error persists If the error message persists the dc source requires service Table 4 2 Power On Selftest Errors Error No Failed Test Error 0 No error Error 1 Non volatile RAM RDO section checksum failed Error 2 Non volatile RAM CONFIG section checksum failed Error 3 Non volatile RAM CAL section checksum failed Error 4 Non volatile RAM STATE section checksum failed Error 5 Non volatile RST section checksum failed Error 10 RAM selftest Error 11 to 14 VDAC IDAC selftest 1 to 4 Error 15 OVDAC selftest Error 80 _ Digital I O selftest error Runtime Error Messages Appendix C lists other error messages that may appear at runtime If the front panel display shows OVLD this indicates that the output voltage or current is beyond the range of the meter readback circuit If the front panel display indicates an GPIB measurement is in progress Line Fuse If the dc source appears dead with a blank display and the f
81. the PON state command 2 Use the 4X and v keys to select either RST or RCLO RST sets the power on state of the unit as defined by the RST command RCLO sets the power on state of the unit to the state saved in RCL location 0 Clear the non volatile memory of the dc source as follows Action Display 1 On the Function keypad press Output Enter This returns the unit to RST the factory default settings 2 Save these settings to location 1 Press Save Enter Number 1 SAV 1 Enter 3 Repeat step 2 for memory locations 2 through 4 SAV 2 SAV 3 SAV 4 47 Specifications Specifications Table A 1 lists the specifications of the dc source Specifications are warranted over the ambient temperature range of 0 to 55 C Unless otherwise noted specifications apply when measured at the rear terminals after a 30 minute warm up period Table A 1 Performance Specifications Parameter Agilent 6612C Agilent 6611C Agilent 66312A 6613C 6614C Voltage 0 8V 0 20V 0 50V Current 0 5 A 0 2A O 1A 0 0 5A 25 C 5 C Current 0 05 2 mA 1 mA 0 75 mA 0 5 mA DC Measurement Voltage 0 03 Accuracy Low Current range via GPIB or front panel 20 mA to 20 mA 0 1 meters with respect to actual output 25 C 5 C High Current range 20 mA to rated I 0 2 20 mA to rated I 0 2 Ripple and Noise Voltage rms p p 0 5 mV 3 mV 0 5 mV 3 mV 0 5 mV 4 mV 0 6 mV 5 mV in the range of 20 Hz to Current r
82. ttle within 1 LSB or 0 025 times the rated voltage of the final value Agilent 6611C Option 760 2 4 500mV The sink current does not track the programmed current 3 Following a 30 minute warm up the change in output over 8 hours under constant ambient load and line operating conditions 50 Specifications A Table A 2 Supplemental Characteristics continued Dynamic Measurement Instantaneous Voltage Parameter Accuracy Instantaneous Current Dynamic Measurement Buffer Length System Sampling Rate Range Measurement Time voltage or current Command Processing Time Remote Sense Capability Savable Instrument States applies only in SCPI mode Agilent 66312A Agilent 6611C 6614C not applicable not applicable 50 ms average includes the default time of 30 ms for acquiring data and a 20 ms data processing overhead 0 03 5 mV 0 6 1mA 4096 points 15 6u1s 31 200s 4 ms average for output to begin to change following receipt of digital data Up to 2 V can be dropped across each load lead add 2 mV to the voltage load regulation specification for each 1 V change in the positive output lead due to load current change 4 in locations 0 to 3 RS 232 Interface Baud rates 300 600 1200 2400 4800 9600 Capabilities Data formats 7 bits even or odd parity 8 bits without parity Language SCPI or COMPatibility GPIB Interface Lang
83. uage SCPI or COMPatibility Capabilities Interface AH1 C0 DC1 DT1 El L4 PPO RL1 SH1 SR1 T6 FLT Terminals INH FLT Characteristics INH Terminals Maximum ratings 16 5 Vdc between terminals 1 and 2 3 and 4 and from terminals or 2 to chassis ground Low level output current 1 25 mA max Low level output voltage 0 5 V max Low level input voltage 0 8 V max High level input voltage 2 V min Low level input current 1 mA Pulse width 100 us min Time delay 4 ms typical Digital I O Characteristics Digital OUT Port 0 1 2 open collector Maximum ratings same as INH FLT Characteristics Output leakage 16V 0 1 mA ports 0 1 12 5 mA port 2 Output leakage 5V 0 1 mA ports 0 1 0 25 mA port 2 Low level output sink current 0 5 V 4mA Low level output sink current 1 V 50 mA For full scale current changes with a risetime of 20 us an additional 0 5 error exists in the first data point in the buffer after the change The error percentage increases proportionally with the decrease in risetime This time may be reduced by changing the default conditions of 2048 data points however measurement accuracy will be reduced a COMPatibility language is used to program the Agilent 663xA Series power supplies A Specifications Table A 2 Supplemental Characteristics continued Parameter Digital I O Characteristics continued Digital IN Port 2 inter
84. urrent on the dc source NOTE To perform the checkout procedure you will need a wire for shorting the output terminals together The following procedure assumes that the unit turns on in the factory default state If you need more information about the factory default state refer to the RST command in chapter 4 of the Programming Guide Note that the values shown in the Display column may not exactly match the values that appear on the front panel of your unit If you have not already done so connect the power cord to the unit and plug it in Table 4 1 Checkout Programming Values Model Voltage OV Prot Current Note 6611C 8 12 5 The checkout procedure is written for models 6612C 66312A 20 22 2 6612C and 66312A If you have another 6613C 50 55 1 model enter the correct values from the table 6614C 100 110 0 5 where the procedure calls for an lt input gt Procedure Display Explanation 1 Turn the unit on The dc ee Ren During selftest all display segments are briefly source undergoes a self ADDRESS 5 lit followed by the GPIB Address test when you first turn it on 0 002V 0006A The display then goes into meter mode with the Dis annunciator on and all others off In Meter mode the V digits indicate the output voltage and the A digits indicate the output current The flashing digit on the display indicates the digit that will be affected if changes are made to the displayed values using the rotary control or
85. ut voltage rising to its Vset value There is no command for constant current operation The only way to turn the unit on in constant current mode is by placing a short across the output and then enabling or turning the output on Note that the dc source cannot be programmed to operate in a specific mode After initial turn on the operating mode of the unit will be determined by the voltage setting the current setting and the load resistance In figure 2 1 operating point 1 is defined by the load line traversing the positive operating quadrant in the constant voltage region Operating point 2 is defined by the load line traversing the positive operating quadrant in the constant current region Figure 2 1 also shows a single range two quadrant capability This means that the dc source is capable of sourcing as well as sinking current over the output voltage range from zero volts to the rated maximum The negative current sinking capability of the dc source is not programmable and is fixed at a maximum of approximately 60 of Imax NOTE If you attempt to operate the dc source beyond its output ratings the output of the unit will become unregulated This is indicated by the UNR annunciator on the front panel The output may also become unregulated if the ac input voltage drops below the minimum rating specified in Appendix A Appendix A documents the de source s specifications and supplemental characteristics 20 Installation Insp
86. ware of the fault via a service request SRQ generated by the Questionable Status summary bit Note that the FLT output can also be used to drive an external relay circuit or signal other devices whenever a user definable fault occurs NOTE Connectors are removable INH FLT Switch Normally Open INH Input O INH Common FLT Output A INH Example with One Unit B FLT Example with Multiple Units Figure 3 4 FLT INH Examples 27 3 Installation Digital I O Connections As shown in Table 3 3 and Figure 3 5 the FLT INH connector can also be configured as a digital I O port Information on programming the digital I O port is found in chapter 5 and under SOURce DIGital DATA and SOURce DIGital FUNCtion commands in the Programming Guide The electrical characteristics of the digital connector are described in appendix A Table 3 3 FLT INH DlGital I O Connector FAULT INHIBIT DIGITAL VO FLT Output FLT Common INH Input Input Output 2 INH Common External pull up to 5 V required for pins 1 amp 2 16 5 V Max Digital Output Ports 0 1 2 Coil Cu
87. within high voltage limits see table B 3 4 5 or 6 Current Programming and Measurement Accuracy This test verifies the current programming and measurement Connect the appropriate current monitor see table B 1 as shown in figure B 1A Current Programming and Measurement High Range Action 1 Turn off the dc source and connect the DMM and current monitor as shown in figure B 1A 2 Turn on the dc source access the Input menu and set the current sense detector to DC 3 Set the output voltage to 5 V and the current to 0 A Press Output On Off to enable the output 4 Divide the voltage drop across the current monitor by its resistance Normal Result CURR DET DC Output current near 0 A Readings within low current 55 B Verification and Calibration to convert the value to amperes Record the value Set the output current to full scale see table B 2 Divide the voltage drop across the current monitor by its resistance to convert the value to amperes Record this value and the current reading on the front panel display Current Measurement Low Range 10 11 12 Action Turn off and connect the de source as shown in Figure B 1B using the 400 ohm load resistor Set the DMM to operate in current mode Turn on the dc source access the Input menu and set the current range to LOW Set the output voltage to 0 V and the current to full scale see table B 2 Press Output On Off to enable the out
88. y VERSion LOCal REMote RWLock TRIGger SEQuence2 ACQuire IMMediate COUN t CURRent lt n gt 1 VOLTage lt n gt HYSTeresis CURRent lt n gt 1 VOLTage lt n gt LEVel CURRent lt n gt 1 VOLTage lt n gt SLOPe CURRent POS NEG EITH VOLTage POS NEG EITH SOURce BUS INTernal SEQuence1 TRANsient IMMediate SOURce BUS SEQuence1 DEFine TRANsient SEQuence2 DEFine ACQuire The Rear Panel At a Glance GPIB IEEE 488 RS 232 interface INH FLT remote interface connector connector INHibit internal FauLT connector Connector plug is removable Quick Reference 1 Output and Remote sense connector Connector plug is removable WARN l NG NO OPERATOR SERVICEABLE PARTS INSIDE REFER SERVICING TO SERVICE TRAINED PERSONNEL LINE FUSE a nN 250 RATING GOGOVA 50 60 Hz tsovpe max Ta WA RN ING FOR CONTINUED FIRE PROTECTJON USE SPECIFIED WNE FUSE Remote or Local Fuse holder D Power cord sense switch connector IEC 320 Use the front panel Address menu to Select the GPIB or RS 232 interface see chapter 4 in User s Guide Select the GPIB bus address see chapter 4 in User s Guide Configu

Download Pdf Manuals

Related Search

Related Contents

CCT-5001 MANUAL DE USUARIO    Samsung Galaxy Tab E T377R4 User Manual  LE MACCHINE AGRICOLE USATE - Imamoter    X-Rite 504 SpectroDensitometer  自動絞り付きズームレンズ 取扱説明書  50Hz 2000W IPX4  LISTINO PREZZI - PRICE LIST - 10.12  

Copyright © All rights reserved. Failed to retrieve file