Agilent Technologies 66319B User Manual Download Page 142

Page: 142 / 180

B - Performance, Calibration, and Configuration

142

DC Power Supply

8V @ 5A (for current sink verification/calibration)
25 V source (for DVM verification/calibration)

Agilent 6611C, 6631B
6631C, or 6633B

GPIB Controller

Full GPIB capabilities (only required if you are
calibrating the unit over the GPIB)

HP Series 200/300 or
equivalent

Oscilloscope

Sensitivity: 1 mV
Bandwidth Limit: 20 MHz
Probe: 1:1 with RF tip

Agilent 54504A or
equivalent

RMS Voltmeter

True RMS
Bandwidth: 20 MHz
Sensitivity: 100

Agilent 3400B or
equivalent

Variable-Voltage Transformer

Adjustable to highest rated input voltage range.
Power: 500 VA

RC network (required for stable
operation in H-remote mode)

Capacitor: fixed film 25

F, 50V

Resistor: 0.25

Ω

, 1W

p/n 0160-8387

Measurement Techniques

Test Setup

Figure B-1 shows the setup for the tests. Use load leads of sufficient wire gauge to carry the full output
current. An RC network is needed if the unit is operated in LRemote or HRemote mode (see chapter 3).

Load

-S

resistor

Ammeter

Load

-S

resistor

Ammeter

External

DC supply

400 ohm

Electronic

Load

NOTE: Connector

is removable

DVM, Scope, or

RMS Voltmeter

-S

NOTE: Connector

is removable

External DC

Supply

Voltmeter

-S

DVM connector

Output 1

connector

connect this lead only

when calibrating the unit

(only for

verification)

(for CV tests)

Electronic

Load

-S

Current
monitor

NOTE: Connector

is removable

DVM, Scope, or

RMS Voltmeter

(for CC tests)

(see note)

Note: Replace electronic
load with DC supply for
-3A Current Sink test.

Figure B-1. Verification and Calibration Test Setup

p/n 0699-4707

Summary of Contents for 66319B

Page 1: ...66319B D 66321B D Mobile Communications DC Source Featuring programmable output resistance Refer to page 18 for a brief description of the model differences Agilent Part No 5964 8184 Microfiche No 596...

Page 2: ...r products returned to Customer from another country Agilent Technologies shall pay for return of products to Customer Warranty services outside the country of initial purchase are included in Agilent...

Page 3: ...d 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...

Page 4: ...r 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 C...

Page 5: ...68 EEC and carries the CE Marking accordingly EMC Information ISM Group 1 Class A Emissions As detailed in Electromagnetic Compatibility EMC Certificate of Conformance Number CC TCF 00 030 based on T...

Page 6: ...ified 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 sheet...

Page 7: ...el Differences 17 Option 521 Description Agilent 66319B D only 21 3 INSTALLATION 23 Installation and Operation Checklist 23 Inspection 24 Location 25 Input Connections 26 Output Connections 26 DVM Con...

Page 8: ...urement Commands 98 Output Commands 108 Status Commands 117 System Commands 121 Trigger Commands 122 Common Commands 130 A SPECIFICATIONS 137 Specifications 137 Supplemental Characteristics 138 B PERF...

Page 9: ...t Cir Save Error 1 2 3 4 5 6 7 8 9 0 SYSTEM FUNCTION ENTRY CV CC Unr Dis OCP Prot Cal Shift Rmt Addr Err SRQ Input Backspace 1 2 3 4 5 6 7 Channel Res 4 Turns the dc source on and off 5 System keys re...

Page 10: ...ION USE SPECIFIED LINE FUSE S INH FLT 2 3 4 5 1 6 S OUTPUT 2 0 12V 0 1 5A OUTPUT 1 0 15V 0 3A S S DVM 4 Output 2 connector Agilent 66319B D only Connector plug is removable 5 Output 1 connector Connec...

Page 11: ...tage or current immediately Use the Function keys and knob to change the displayed settings Use the arrow keys to edit individual digits in the displayed setting Increments the flashing digit Decremen...

Page 12: ...key to exit the calibration mode Shift The Shift key has been pressed Rmt The remote programming interface is active Press the Local key to return the unit to front panel control Addr The interface is...

Page 13: ...VERCURRENT Protection status example shows overcurrent tripped RST Places the dc source in the factory default state COUPLING ALL Couples or decouples output 1 and output 2 NONE or ALL 1 COMP LLOCAL S...

Page 14: ...d n 1 SEQuence 1 2 STATus NAME TRANsient ACQuire PRESet CONTinuous SEQuence 1 bool OPERation EVENt NAME TRANsient bool CONDition INSTrument ENABle n COUPling OUTPut STATe NONE ALL 1 NTRansition n MEAS...

Page 15: ...tained within Getting Started Map Task Where to find information Quick Reference Section Chapter 1 General information Model differences Capabilities and characteristics Chapter 2 Installing the unit...

Page 16: ...ormation AXS1 Rack mount kit for two side by side units of equal depth Consists of Lock link kit p n 5061 9694 and Flange kit p n 5062 3974 1CM1 Rack mount kit for one unit p n 5062 3972 521 Solid sta...

Page 17: ...capabilities of the Agilent 66321B with the addition of a second electrically isolated output Figure 2 2 describes output characteristic of this second output which is primarily used to provide voltag...

Page 18: ...ier models not covered in this manual order manual p n 5964 8125 2 Available only on units with firmware revision A 03 01 and up Front Panel Controls The front panel has both rotary and keypad control...

Page 19: ...t 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 output voltage rising to its Vset va...

Page 20: ...tput resistance This compensates for any additional voltage drop in the load leads between the remote sense points and the phone terminals see Figure 3 4 In phone test fixtures the cell phone terminal...

Page 21: ...elay Mode Output ON Output OFF Dry D 1 Closes the output relay 2 Closes the sense relay 3 Programs the output 1 Downprograms the output 2 Opens the sense relay 3 Opens the output relay Hot H 1 Program...

Page 22: ......

Page 23: ...mpers the unit goes into a protect state with the output disabled Check the Operating Settings and Conditions Are you able to communicate remotely with the dc source If not check that the address is s...

Page 24: ...Part Number Description Power Cord contact the nearest Agilent Sales and Support Office A power cord appropriate for your location Digital I O connector 1252 1488 4 terminal digital plug for connecti...

Page 25: ...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 Do not block the fan exh...

Page 26: ...r to the section on Open Sense Lead Protection in this chapter Install the connector plug with its supplied sense jumpers before applying power to the unit Output 2 Agilent 66319B D units have a secon...

Page 27: ...higher slew rate currents 0 2 amps s and long wiring lengths 10 to 20 ft the inductance can have as much effect as the resistance To minimize inductance twist the load leads The inductance will be on...

Page 28: ...ixture The open sense detect circuit will check for continuity in the sense leads when the output turned on from disabled to enabled Figure 3 3 shows how to connect remote sense leads and load leads w...

Page 29: ...S S TWIST LEADS WIRE RESISTANCE LENGTH MUST BE UNDER 50 CM 20 INCHES TWIST PAIR FIXTURE CONNECTIONS CAN USE NEGATIVE RESISTANCE PROGRAMMING TO COMPENSATE FOR LEAD RESISTANCE Figure 3 4 Remote Sense Co...

Page 30: ...ead path For battery powered devices undetected open sense connections can cause incorrect battery charger calibration incorrect test results due to erroneous voltage settings and low voltage phone sh...

Page 31: ...r the output 1 pin to its sense pin and jumper the output 1 pin to its sense pin Otherwise the unit will go into a protected state with the output disabled Keep load leads as short as possible Load le...

Page 32: ...t you are testing leave the input capacitance set to LLocal mode initially This is because in LLocal mode the output of the dc source will be stable when testing cellular phones that have virtually an...

Page 33: ...iggered the SCR will continuously sink a large current from the battery possibly damaging the dc source To avoid this you can either disable the OVP circuit or you can connect an external protection d...

Page 34: ...uits V common mode 4Vdc V comon mode 25Vdc Figure 3 6 DVM Measurement Example NOTE The DVM is not designed to measure voltages that are greater than 25 Vdc or less than 4 5 Vdc with respect to the neg...

Page 35: ...n output A situation where this could occur is illustrated by R1 in figure 3 7 which has only a 12 Vdc drop across it but is 36 Vdc Vlead with respect to the negative terminal of the main output You c...

Page 36: ...V 5 V 13 5 V on the positive side and 8 5V 5 V 3 5 V on the negative side with both voltages now being within the common mode range of the DVM 66319D 66321D OUTPUT 1 DVM INPUT 6 V Bias Transformer AC...

Page 37: ...etween pins INH and common and then clear the protection circuit This can be done either from the front panel or over the GPIB In example B the FLT output of one unit is connected to the INH input of...

Page 38: ...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 addr...

Page 39: ...de with the Dis annunciator on and all others off In Meter mode the n nnnV digits indicate the output voltage and the nnnnA digits indicate the output current The flashing digit on the display indicat...

Page 40: ...rcurrent 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 turn on 16 Press Shift OCP 0...

Page 41: ...n the unit off and remove the shorting wire from the output terminals The next time the unit turns on it will be restored to the RST or factory default state In Case of Trouble Dc source failure may o...

Page 42: ...ense open incorrect voltage reading on the sense leads the unit may need to be recalibrated If the front panel display shows OVLD this indicates that the output voltage or current is beyond the range...

Page 43: ...the Local key on the front panel to put the unit in local mode Front Panel Description 66319D DUAL OUTPUT Mobile Communications DC Source LINE Off On Local Address Recall Meter Protect Voltage Curren...

Page 44: ...ary control lets you set the output voltage or current as well as menu parameters Press and to select the resolution then adjust the value with the knob 4 Line This turns the dc source on or off 5 Sys...

Page 45: ...ADDRESS value Sets the GPIB Address LANG char Selects language SCPI ROM char Firmware revision number SN char Unit serial number Press to place the dc source into a previously stored state You can re...

Page 46: ...et 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...

Page 47: ...reading V reading A Measures output dc voltage and current reading V MAX Measures peak output voltage reading V MIN Measures minimum output voltage reading V HIGH Measures the high level of a voltage...

Page 48: ...mode LATCHING LIVE OFF DFI char Sets the discrete fault indicator state ON OFF DFI SOUR char Selects the DFI source QUES OPER ESB RQS OFF 2 PORT char Sets the output port functions RIDFI DIGIO TRIGGE...

Page 49: ...using the 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...

Page 50: ...put specific menu commands are identified by a 1 or a 2 Also the CV CC and UNR annunciators apply to the selected channel 2 7 003V 0 004A Select the DVM on Agilent 66321D 66319D units Action Display Y...

Page 51: ...setting is low enough to cause the unit to go into CC mode 8 003V 0 400A 2 The easiest way to enter an accurate value On the Function keypad press Current On the Entry keypad press Enter Number 4 Ente...

Page 52: ...d in the previous example Note that no front panel changes affect the output of the unit unless it has been enabled Set the output 2 voltage Action Display 1 Press Meter then Shift Channel to select o...

Page 53: ...have an application where an external voltage applied to the output may interfere with the broken sense lead detect circuitry Error messages can occur at any time during the operation of the unit Whe...

Page 54: ...sample interval and buffer size that you program over the GPIB This is because you can qualify measurement triggers over the GPIB which makes the GPIB measurements independent of the front panel measu...

Page 55: ...t 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 with the best measurement resolution NOTE In the 0 02A current...

Page 56: ...ter to activate any changes CURR DET ACDC 7 Making DVM Measurements Agilent 66321D 66319D only The front panel DVM measurement function is only active when Output 1 is selected As shipped from the fac...

Page 57: ...ollector logic signal can be used to signal external devices when a fault condition is detected DFI ON 5 Scroll to the DFI SOUR command to select the internal source that drives this signal Use the ke...

Page 58: ...a saved state as follows Action Display 1 Recall the state saved in location 0 by pressing Recall Enter Number 0 Enter RCL 0 Select the power on state of the dc source as follows Action Display 1 On...

Page 59: ...mended as a reference only if you intend to do fairly sophisticated programming Helpful for finding precise definitions of certain types of SCPI message formats data types or common commands The above...

Page 60: ...evision F 01 02 National Instruments VISA 1 1 Downloading and Installing the Driver NOTE Before installing the VXIplug play instrument driver make sure that you have one of the supported applications...

Page 61: ...Commands for Programmable Instruments is a programming language for controlling instrument functions over the GPIB SCPI is layered on top of the hardware portion of IEEE 488 2 The same SCPI commands a...

Page 62: ...sending several commands within a single message Use a semicolon to separate commands within a message There is an implied header path that affects how commands are interpreted by the dc source The h...

Page 63: ...separator Common commands do not affect the header path you may insert them anywhere in the message VOLTage TRIGgered 17 5 INITialize TRG OUTPut OFF RCL 2 OUTPut ON Using Queries Observe the followin...

Page 64: ...into a query VOLTage VOLTage PROTection If a query contains a parameter place the query indicator at the end of the last header VOLTage PROTection MAX Message Unit Separator When two or more message u...

Page 65: ...3 2 73E2 MAX MIN and MAX are the minimum and maximum limit values that are implicit in the range specification for the parameter Bool Boolean Data Example 0 1 or ON OFF Suffixes and Multipliers Class...

Page 66: ...statement OPC can be used to cause the controller to wait for commands to complete before proceeding with its program OPC This sets the OPC status bit when all pending operations have completed Since...

Page 67: ...DEF MEAS FETC SCAL CURR LOW SENS SWE POIN CLS MEAS FETC SCAL CURR MAX SENS SWE TINT ESE ESE ESR MEAS FETC SCAL CURR MIN STAT OPER EVEN IDN MEAS FETC SCAL VOLT DC STAT OPER COND OPC OPC OPT MEAS FETC...

Page 68: ......

Page 69: ...tion When the dc source is first turned on it wakes up with the output state set OFF In this state the output voltage is set to 0 The following commands are given implicitly at power on RST CLS STAT P...

Page 70: ...es Output Current All models have a programmable current function The command to program the current is CURR n or CURR2 n for models that have a second output where n is the current limit in amperes I...

Page 71: ...Arrows show the transitions between states These are labeled with the input or event that causes the transition to occur LEVEL INITIATED STATE IDLE STATE ABORt RCL RST TRIGGER RECEIVED INITiate IMMed...

Page 72: ...trigger source for output triggers is a command from the bus Since BUS is the only trigger source the following command is provided for completeness only TRIG SOUR BUS Generating Triggers Single Trigg...

Page 73: ...rrent is measured by acquiring a number of readings at the selected time interval applying the Hanning window function to the readings and averaging the readings Windowing is a signal conditioning pro...

Page 74: ...al number of waveform cycles are not captured provided that at least three or more waveform cycles are in the measurement buffer If there are only one or two waveform cycles the Hanning window will no...

Page 75: ...e has three current measurement ranges The command that controls the ranges is SENS CURR RANG value MIN MAX Enter the value of the current that you expect to measure When the range is set to 3A the ma...

Page 76: ...c waveform use FETC VOLT MAX or FETC VOLT MIN FETC CURR MAX or FETC CURR MIN High Low Measurements The value of the high level or low level of a pulse can also be measured High and low level measureme...

Page 77: ...e that all triggered measurement functions discussed the next section also apply to DVM measurements NOTE There is only one measurement system in the dc source Therefore you can perform only one measu...

Page 78: ...e output 2 voltage and current 4 Select the trigger source 5 Enable the trigger system 6 Fetch the triggered measurements SCPI Triggering Nomenclature The dc source uses the following sequence name an...

Page 79: ...tem is waiting for a trigger signal in the initiated state Before you generate a trigger you must select a trigger source The following measurement trigger sources can be selected BUS Selects GPIB bus...

Page 80: ...OP VOLT NEG TRIG ACQ SLOP VOLT NEG TRIG ACQ LEV VOLT level Trigger occurs on falling edge when signal crosses negative hysteresis band limit Measurement time time interval X number of points Figure 7...

Page 81: ...stem for a number of sequential acquisitions use TRIG ACQ COUN CURR number or TRIG ACQ COUN VOLT number With this setup the instrument performs each acquisition sequentially storing the digitized read...

Page 82: ...s are taken after the trigger Values greater than zero can be used to program a delay time from the receipt of the trigger until the data points that are entered into the buffer are valid Delay time o...

Page 83: ...UNR N U QUESTIONABLE STATUS 1 4 8 16 32 128 1 4 8 16 32 128 LOGICAL OR OPC N U QYE DDE EXE CME N U PON EVENT ENABLE STANDARD EVENT STATUS DATA DATA DATA OUTPUT QUEUE QUEUE NOT EMPTY 1 CONDITION 1 EVEN...

Page 84: ...3 4 5 6 7 QUES MAV ESB MSS RQS OPER Status Byte and Service Request Enable Registers Questionable status summary bit Message Available summary bit Event Status Summary bit Master Status Summary bit Re...

Page 85: ...grammed by Common commands The Standard Event event register latches events relating to instrument communication status see figure 7 7 It is a read only register that is cleared when read The Standard...

Page 86: ...ng actions Step 1 Determine which summary bits are active Use STB or serial poll Step 2 Read the corresponding Event register for each summary bit to determine which events caused the summary bit to b...

Page 87: ...Phases of a Status Transition You can monitor a status signal for both its positive and negative transitions For example to generate RQS when the dc source either enters the CC constant current condi...

Page 88: ...r relay circuits As shipped from the factory the port is shipped for inhibit fault operation You can change the configuration of the port to operate as a general purpose digital input output port with...

Page 89: ...he Specifications table in the Appendix A Related Commands Where appropriate related commands or queries are included These are listed because they are either directly related by function or because r...

Page 90: ...ect the output that is displayed 1 2 MODE mode Set display mode NORM TEXT TEXT DATA string Sets the text that is displayed FORMat DATA type Specifies data type and length for all array queries BORDer...

Page 91: ...nt measurement detector ACDC DC FUNCtion function Configures the measurement sensor VOLT CURR DVM LEAD STATus Returns the setting of the open sense detection circuit PROTection STATe state Enables dis...

Page 92: ...and error string LANGuage language Sets the programming language SCPI VERSion Returns the SCPI version number TRIGger SEQuence2 ACQuire IMMediate Triggers the measurement immediately COUNt CURRent n...

Page 93: ...tatus clear state RCL n Recall instrument state RST Reset SAV n Save instrument state SRE n Set service request enable register SRE Return service request enable register STB Return status byte TRG Tr...

Page 94: ...yntax CALibrate CURRent SOURce DC POSitive Parameters None Examples CAL STAT 1 enable calibration CAL CURR start current calibration Related Commands CAL CURR NEG CAL LEV CAL DATA CALibrate CURRent2 A...

Page 95: ...ate DATE date Parameters date Examples CAL DATE 3 22 99 CAL DATE 22 3 99 Query Syntax CALibrate DATE Returned Parameters SRD CALibrate DVM Agilent 66321D 66319D only This command initiates the calibra...

Page 96: ...A password is required if the calibration mode is being enabled and the existing password is not 0 If the password is not entered or is incorrect an error is generated and the calibration mode remains...

Page 97: ...ry Syntax DISPlay CHANnel Returned Parameters NR1 0 or 1 DISPlay MODE Switches the display between its normal instrument functions and a mode in which it displays text sent by the user Text messages a...

Page 98: ...d the type length for all array queries Supported types are ASCII and REAL When ASCII is selected the response format for these queries is NR3 Numeric Response Data This format is selected at RST The...

Page 99: ...current in amps The output voltage or current is digitized whenever a measure command is sent or an acquire trigger occurs The time interval is set by SENSe SWEep TINTerval The position of the trigger...

Page 100: ...s MEAS CURR FETC CURR DC Returned Parameters NR3 Related Commands MEAS VOLT SENS CURR RANG MEASure CURRent2 Agilent 66319B D only This query measures the output current at the auxiliary output Output...

Page 101: ...FETCh CURRent LOW These queries return the Low level current of a current pulse waveform The instrument first measures the minimum and maximum data points of the pulse waveform It then generates a hi...

Page 102: ...ntax MEASure SCALar DVM DC FETCh SCALar DVM DC Parameters None Examples MEAS DVM DC FETC DVM DC Returned Parameters NR3 MEASure DVM ACDC FETCh DVM ACDC Agilent 66321D 66319D only These queries measure...

Page 103: ...ameters NR3 Related Commands MEAS CURR ACDC MEASure VOLTage HIGH FETCh VOLTage HIGH These queries return the High level voltage of a voltage pulse waveform The instrument first measures the minimum an...

Page 104: ...mum value is returned by these queries Query Syntax MEASure SCALar VOLTage LOW FETCh SCALar VOLTage LOW Parameters None Examples MEAS VOLT LOW FETC VOLT LOW Returned Parameters NR3 Related Commands ME...

Page 105: ...rameters ACDC or DC RST Value ACDC Examples SENS CURR DET ACDC SENS CURR DET DC Query Syntax SENSe CURRent DETector Returned Parameters CRD SENSe CURRent RANGe This command selects the dc current meas...

Page 106: ...age measurement at the main output output 1 Command Syntax SENSe FUNCtion function Parameters VOLTage CURRent DVM Examples SENS FUNC VOLT Query Syntax SENSe FUNCtion Returned Parameters SRD SENSe PROT...

Page 107: ...n dc and in ac dc rms measurement calculations The following functions can be selected HANNing A signal conditioning window that reduces errors in dc and rms measurement calculations in the presence o...

Page 108: ...t when an output state is recalled the outputs are set to the state in which they were in when the state was saved regardless of the output coupling setting Command Syntax INSTrument COUPle OUTPut STA...

Page 109: ...compensates the output of the dc source according to the input capacitance of the phone being tested as well as the type of output connections being used The following table summarizes the four progra...

Page 110: ...the Questionable event summary bit bit 3 of the Status Byte Register OPERation selects the Operation Event summary bit bit 7 of the Status Byte Register ESB selects the Standard Event summary bit bit...

Page 111: ...protection OCP this command also delays OCP Overvoltage protection is not affected by this command Command Syntax OUTPut PROTection DELay NRf Parameters 0 to 2 147 483 647 Unit seconds RST Value 0 08...

Page 112: ...mand enables or disables the overcurrent protection OCP function on all output channels If the dc source overcurrent protection function is enabled and the dc source goes into constant current operati...

Page 113: ...command Command Syntax SOURce CURRent2 LEVel TRIGgered AMPLitude NRf Parameters see Table A 3 Default Suffix A amperes RST Value 10 of MAX Examples CURR2 TRIG 1 CURR2 LEV TRIG 1 Query Syntax SOURce C...

Page 114: ...mmand causes a write cycle to nonvolatile memory Nonvolatile memory has a finite maximum number of write cycles Programs that repeatedly cause write cycles to nonvolatile memory can eventually exceed...

Page 115: ...nds VOLT2 TRIG SOURce VOLTage PROTection This command lets you limit the maximum allowable output voltage that can be programmed either from the front panel or over the GPIB This feature is in additio...

Page 116: ...is transferred to the output terminals when a trigger occurs In order for a trigger to occur the trigger subsystem must be initiated see the INITiate command in the trigger subsystem Command Syntax S...

Page 117: ...eration Event register clears it Query Syntax STATus OPERtion EVENt Parameters None Returned Parameters NR1 Register Value Examples STAT OPER Related Commands CLS STAT OPER NTR STAT OPER PTR Table 8 4...

Page 118: ...se the following actions When a bit in the Operation NTR register is set to 1 then a 1 to 0 transition of the corresponding bit in the Operation Condition register causes that bit in the Operation Eve...

Page 119: ...UNR2 output 2 is unregulated Agilent 66319B D only RI remote inhibit is active UNR the output is unregulated OC2 output 2 overcurrent protection has tripped Agilent 66319B D only Meas Ovld measuremen...

Page 120: ...the corresponding bit in the Questionable Condition register causes that bit in the Questionable Event register to be set If the same bits in both NTR and PTR registers are set to 1 then any transiti...

Page 121: ...error codes You can use the front panel Error key to read errors from the queue Errors generated at the front panel are not put into the queue but appear immediately on the display Query Syntax SYSTem...

Page 122: ...Pending trigger levels are reset to their corresponding immediate values ABORt also resets the WTG bit in the Operation Condition Status register see chapter 7 about programming the status registers...

Page 123: ...bit in the Status Operation Condition register after both transient and acquire trigger sequences have completed WTG is the logical or of both transient and acquire sequences 3 If INITiate CONTinuous...

Page 124: ...only once at the start of the acquisition period After each completed measurement the instrument waits for the next valid trigger condition to start another measurement This continues until the count...

Page 125: ...his command defines a band around the trigger level through which the signal must pass before an internal measurement can occur The band limit above and below the trigger level is one half of the hyst...

Page 126: ...Teresis DVM TRIGger ACQuire HYSTeresis DVM Returned Parameters NR3 Related Commands TRIG SEQ2 LEV DVM TRIGger SEQuence2 HYSTeresis VOLTage TRIGger ACQuire HYSTeresis VOLTage This command defines a ban...

Page 127: ...ery Syntax TRIGger SEQuence2 LEVel CURRent TRIGger ACQuire LEVel CURRent Returned Parameters NR3 Related Commands TRIG SEQ2 LEV VOLT TRIG SEQ2 HYST CURR TRIGger SEQuence2 LEVel DVM TRIGger ACQuire LEV...

Page 128: ...OLTage Returned Parameters NR3 Related Commands TRIG SEQ2 LEV CURR TRIG SEQ2 HYST VOLT TRIGger SEQuence2 SLOPe CURRent TRIGger ACQuire SLOPe CURRent This command sets the slope of an internally trigge...

Page 129: ...THer POSitive NEGative RST Value POSitive Examples TRIG SEQ2 SLOP VOLT POS TRIG ACQ SLOP VOLT EITH Query Syntax TRIGger SEQuence2 SLOPe VOLTage TRIGger ACQuire SLOPe VOLTage Returned Parameters CRD Re...

Page 130: ...s the Status Byte and the Error Queue If CLS immediately follows a program message terminator NL then the output queue and the MAV bit are also cleared Command Syntax CLS Parameters None ESE This comm...

Page 131: ...posed of four fields separated by commas Query Syntax IDN Returned Parameters AARD Field Information Agilent Technologies Manufacturer xxxxxA model number followed by a letter suffix 0 zero or the uni...

Page 132: ...ed Query Syntax OPT Returned Parameters AARD PSC This command controls the automatic clearing at power on of the Service Request Enable and the Standard Event Status Enable registers The query returns...

Page 133: ...OUR CURR PROT STAT OFF DISP MODE NORM SOUR LIST COUN 0 DISP TEXT SOUR VOLT 0 INIT CONT OFF SOUR VOLT LIM 15 V0 INST COUP OUTP STAT ALL SOUR VOLT TRIG 0 NONE option 521 units SOUR VOLT2 0 OUTP OFF SOUR...

Page 134: ...bit position enables the corresponding Status Byte Register bit and all such enabled bits then are logically ORed to cause Bit 6 of the Status Byte Register to be set When the controller conducts a s...

Page 135: ...s NR1 Register binary value TRG This common command generates a trigger when the trigger subsystem has BUS selected as its source The command has the same affect as the Group Execute Trigger GET comma...

Page 136: ......

Page 137: ...5 mV NA 0 2 0 5 mA4 0 1 0 2 mA 0 1 2 5 A 0 2 15 mV 0 2 3 mA NA NA NA Ripple and Noise in the range of 20 Hz to 20 MHz with outputs ungrounded or with either terminal grounded Voltage rms p p Current r...

Page 138: ...01 15 A 0 1 0 2 m 0 03 1 5 mV 0 03 0 4 mA NA Readback Accuracy Temperature Coefficient change C Voltage 3 A Current dc 3 A Current acdc 1 A Current range 0 02A Current range 0 01 300 V 0 02 15 A 0 05...

Page 139: ...tage 0 8 V max High level input voltage 2 V min Low level input current 1 mA Pulse width 100 s minimum INH time delay 4 ms typical Trigger latency 15 6 s to 32 s Digital I O Characteristics Maximum ra...

Page 140: ...to 25 Vpk Maximum DC Differential Voltage 25 V peak Maximum AC Differential Voltage with a sinewave input 10 V rms2 Supplemental Characteristics Maximum Continuous Input Capability without damage betw...

Page 141: ...MPORTANT Perform the calibration verification before calibrating your dc source If the dc source passes the verification procedures the unit is operating within its calibration limits and does not nee...

Page 142: ...ilm 25 F 50V Resistor 0 25 1W p n 0160 8387 Measurement Techniques Test Setup Figure B 1 shows the setup for the tests Use load leads of sufficient wire gauge to carry the full output current An RC ne...

Page 143: ...ormance Tests NOTE Performance tests verify that the dc source complies with the specifications listed in Table A 1 Performance tests are indicated by the word performance after the test Calibration v...

Page 144: ...or the appropriate model under Voltage Programming and Readback 0 Volts Also note that the CV annunciator is on The output current reading should be approximately zero d Program the output voltage to...

Page 145: ...iodic and random deviations PARD in the output ripple and noise combine to produce a residual ac voltage superimposed on the dc output voltage CV PARD is specified as the rms or peak to peak output vo...

Page 146: ...ions given in the following paragraphs Current Programming and Readback Accuracy performance calibration This test verifies that the current programming and 3A range readback are within specification...

Page 147: ...n in Figure B 1c using the 400 ohm load resistor Set the DMM to operate in current mode b Turn on the dc source and set the current range readback to 0 02A Program the output voltage to zero and the c...

Page 148: ...uld be made and the average of these readings calculated An example of how to do this is given below using an Agilent 3458A System Voltmeter programmed from the front panel Set up the voltmeter and ex...

Page 149: ...e Adjust the transformer to the lowest rated line voltage refer to Table A 2 in Appendix A under Mains Input Ratings f Record the output current reading DVM reading current monitoring resistor in ohms...

Page 150: ...t the load voltage to 15 V and the current to 0 A c Program output 1 to 10 V and set the output resistance to zero ohms d Record the voltage reading on the external DMM V1 and the current reading disp...

Page 151: ...imits specified for the DVM in Table A 3 h Set output 1 to zero volts and repeat step g Performance Test Equipment Form Test Facility _________________________ Report Number ________________________ _...

Page 152: ...gramming and Readback Low current 0 A Iout Front Panel Display Readback High Current Full Scale Iout Front Panel Display Readback 2 3 mA Iout 0 5mA 2 99717 A Iout 6 5mA _________ _________ _________ _...

Page 153: ...______ __________ 6 mV 1 mV Transient Response1 Time in 400 s 20 mV __________ 20 mV CONSTANT CURRENT TESTS Current Programming and Readback Output 2 Low Current 0 A Output 2 High Current Full Scale O...

Page 154: ...e Turns calibration mode on when the correct password value is entered CAL OFF Turns calibration mode off CAL LEV char Advance to next step in sequence P1 or P2 CAL DATA value Enter an external calibr...

Page 155: ...t shunt Select output 1 6 Press Shift Cal scroll to CAL VOLT and press Enter CAL VOLT 7 Press Shift Cal scroll to CAL LEV and press Enter to select the first calibration point CAL LEV P1 8 Press Shift...

Page 156: ...Display 23 Disconnect all loads from the dc source but leave the sense jumpers in place Do not connect any equipment to the output until after step 24 24 Press Shift Cal scroll to CAL CURR MEAS R3 an...

Page 157: ...econd current value DMM reading shunt resistance Press Enter Number and enter the second current value in amperes Press Enter CAL DATA 0 00 Resistance Calibration Action Display 42 Disconnect all load...

Page 158: ...ternal DMM Numbers entered from the external DMM should have an accuracy and resolution of 0 1 mV or better Because this second value is negative you must place a minus sign in front of the value Pres...

Page 159: ...a new password using the CAL PASS command The new password becomes active after CAL SAVE and CAL OFF are programmed Then with the calibration switches in the normal position you can turn calibration o...

Page 160: ...sation mode CFG COUP char Sets the output coupling mode CFG RELAY1 char Sets the output 1 relay mode Option 521 units only CFG RELAY2 char Sets the output 2 relay mode Option 521 units only CFG OVP ch...

Page 161: ...4 or 5 as described in the following table Table C 1 Error Numbers Error Number Error String Description Explanation Examples Command Errors 100 through 199 sets Standard Event Status Register bit 5 1...

Page 162: ...n error generic 222 Data out of range e g too large for this device 223 Too much data out of memory block string or expression too long 224 Illegal parameter value device specific 225 Out of memory 27...

Page 163: ...selftest error Device Dependent Errors 100 through 32767 sets Standard Event Status Register bit 3 213 Ingrd receiver buffer overrun 220 Front panel uart overrun 221 Front panel uart framing 222 Front...

Page 164: ......

Page 165: ...programmed to generate 3 ampere pulses with a duty cycle of 100 microseconds at 1000 Hz The dc source address is 705 and the load address is 706 If required change these parameters in the appropriate...

Page 166: ...hen this program runs it returns 100 measurement data points as well as the MIN MAX HIGH and LOW data in the following format 030585 031869 0344369 031655 0320829 0325109 0333669 0340089 0320825 03144...

Page 167: ...t viPrintf instrumentHandle RST n turn on the output viPrintf instrumentHandle OUTP 1 n Set output voltage 2V and current 1A levels turn output on viPrintf instrumentHandle VOLT 5lg CURR 5lg n 2 0 1 0...

Page 168: ...VOLT MAX n lf resultMAX viQueryf instrumentHandle FETC VOLT MIN n lf resultMIN viQueryf instrumentHandle FETC VOLT HIGH n lf resultHIGH viQueryf instrumentHandle FETC VOLT LOW n lf resultLOW display m...

Page 169: ...acquisition Dynamic voltage measurements dc 5 002660 V rms 5 002660 V max 5 080140 V min 1 996970 V high 5 002310 V low 3 538550 V Array Data 0 2 000360 V Array Data 1 1 999680 V Array Data 2 1 99832...

Page 170: ......

Page 171: ...the transformer Use a needle nose pliers and connect the ac input wiring harness according to the information in figure E 1 on the following page Install the Correct Line Fuse Install the correct line...

Page 172: ...llow white violet white yellow white violet white yellow white violet white yellow 230 VAC Top part of transformer Front of unit 100 VAC Top part of transformer Front of unit 1 2 3 4 5 6 7 1 2 3 4 5 6...

Page 173: ...nce 158 saving 159 setup 142 voltage measurement 155 voltage programming 155 calibration commands CAL CURR 94 CAL CURR MEAS AC 95 CAL CURR MEAS LOWR 94 CAL CURR MEAS R3 94 CAL CURR2 94 CAL DATA 95 CAL...

Page 174: ...cause of interrupt 86 device clear 66 DFI 88 DFI signal 37 DIGIO 57 digital connector 24 37 digital I O 37 connections 38 digital I O port 88 digital output port 57 dimensions 25 disabling multiple u...

Page 175: ...ommands 108 INST COUP OUTP STAT 108 internal 129 internal triggers 80 internally triggered measurements 78 L language dictionary 89 language setting 18 latching 111 lead resistance 27 line fuse 171 re...

Page 176: ...1 overcurrent protection 70 OVERTEMPERATURE 41 OVERVOLTAGE 41 overvoltage protection 33 OVLD 41 54 55 56 OVP circuit 33 disable 33 disabling 33 48 P PARD 145 149 performance equipment 141 resistance p...

Page 177: ...n 30 servicing operation status 86 servicing questionable status events 86 setting output trigger system 71 setting resistance 51 setting voltage current 51 52 shorting switch 37 single triggers 72 80...

Page 178: ...OUN DVM 124 TRIG SEQ2 COUN VOLT 125 TRIG SEQ2 DEF 130 TRIG SEQ2 HYST CURR 125 TRIG SEQ2 HYST DVM 126 TRIG SEQ2 HYST VOLT 126 TRIG SEQ2 LEV CURR 127 TRIG SEQ2 LEV DVM 127 TRIG SEQ2 LEV VOLT 128 TRIG SE...

Page 179: ...4245 fax 305 267 4286 Canada Agilent Technologies Canada Inc 5150 Spectrum Way Mississauga Ontario L4W 5G1 tel 1 877 894 4414 Australia New Zealand Agilent Technologies Australia Pty Ltd 347 Burwood...

Page 180: ...with firmware revisions A 03 01 and up Corrections have also been made to the test record cards in Appendix B for ISO 17025 2 9 05 The Declaration Page is updated Further corrections have been made t...

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