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Keysight U3606A, User'S And Service Manual

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Summary of Contents for U3606A

Page 1: ...Keysight U3606A Multimeter DC Power Supply User s and Service Guide ...

Page 2: ......

Page 3: ...ent that conflict with these terms the warranty terms in the separate agreement shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be used or copied only in accor dance with the terms of such license Restricted Rights Legend U S Government Restricted Rights Soft ware and technical data rights granted to the federal govern...

Page 4: ...ng current Caution risk of electric shock Three phase alternating current Caution risk of danger refer to this manual for specific Warning or Caution information Earth ground terminal Caution hot surface Protective conductor terminal Out position of a bi stable push control Frame or chassis terminal In position of a bi stable push control Equipotentiality Category II 300 V overvoltage protection E...

Page 5: ...vice and application system power before connecting to the I O terminals When servicing the device use only the specified replacement parts Do not operate the device with the cover removed or loosened Use only the power adapter provided by the manufacturer to avoid any unexpected hazards CAUTION If the device is used in a manner not specified by the manufacturer the device protection may be impair...

Page 6: ...erating temperature 0 C to 55 C Storage temperature 40 C to 70 C Relative humidity Up to 80 at 30 C RH non condensing NOTE The U3606A Multimeter DC Power Supply complies with the following safety and EMC requirements IEC 61010 1 2001 EN61010 1 2001 2nd Edition Canada CAN CSA C22 2 No 61010 1 04 USA ANSI UL 61010 1 2004 IEC 61326 1 2005 EN61326 1 2006 CISPR11 2003 EN55011 2007 Group 1 Class A Canad...

Page 7: ...e with the Australia EMC Framework regulations under the terms of the Radio Communication Act of 1992 ICES NMB 001 indicates that this ISM device complies with the Canadian ICES 001 Cet appareil ISM est confomre a la norme NMB 001 du Canada This instrument complies with the WEEE Directive 2002 96 EC marking requirement This affixed product label indicates that you must not discard this electrical ...

Page 8: ...lectrical or electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive Annex 1 this instrument is classified as a Monitoring and Control Instrument product The affixed product label is as shown below Do not dispose in domestic household waste To return this unwanted instrument contact your nearest Keysight Technologies or visit www ...

Page 9: ...ions and the additional source functions 4 System Related Operation This chapter lists the various items and settings in the utility menu This chapter also describes how to store and recall an instrument state with the U3606A Multimeter DC Power Supply 5 Verification and Performance Tests This chapter contains the procedures for verification of the instrument performance The input connections and ...

Page 10: ...ce Guide 8 Characteristics and Specifications This chapter specifies the characteristics environmental conditions and specifications of the U3606A 9 List of Error Messages The U3606A error messages are summarized in this chapter ...

Page 11: ...f Conformity DoC for this instrument is available on the Web site You can search the DoC by its product model or description http regulations products keysight com DoC search htm NOTE If you are unable to search for the respective DoC please contact your local Keysight representative ...

Page 12: ...12 U3606A User s and Service Guide ...

Page 13: ...lance 10 Product dimensions 10 The front panel at a glance 11 The display at a glance 12 The keypad at a glance 15 The terminals at a glance 20 The rear panel at a glance 23 2 Digital Multimeter Operation Making Measurements 26 Performing voltage measurements 27 Performing current measurements 31 Performing resistance 2 wire measurements 35 Performing low resistance 4 wire measurements 37 Performi...

Page 14: ...ltimeter 71 Front panel triggering 72 Remote interface triggering 73 3 DC Power Supply Operation Basic Operation 76 Constant voltage CV mode 76 Constant current CC mode 78 Protection Functions 80 Overvoltage protection OVP 80 Overcurrent protection OCP 83 Overvoltage limit OV 86 Overcurrent limit OC 88 Square wave Output 90 Sweep Functions 95 Ramp signal 95 Scan signal 97 Selecting a Range 99 Enab...

Page 15: ...t 122 Selecting a dBm reference resistance value 123 Setting the output protection state 124 Configuring the ramp signal parameters 125 Configuring the scan signal parameters 127 Setting the smooth function 129 Enable refresh hold 132 Enable data hold 133 Storing and Recalling Instrument States 134 Storing a state 134 Recalling a stored state 135 Remote Operation 136 Configuring and connecting the...

Page 16: ...est 157 Gain verification test 159 Output verification test 164 Additional Verification Tests 174 Optional capacitance gain verification test 174 Optional square wave output verification test 175 6 Calibration Procedures Calibration Overview 180 Closed case electronic calibration 180 Keysight Technologies calibration services 180 Calibration interval 181 Adjustment is recommended 181 Time required...

Page 17: ...on procedure 194 Adjustments procedures 197 Zero offset adjustment 197 Gain adjustments 199 Output adjustments 212 Finishing the adjustments 221 7 Disassembly and Repair Operating Checklist 224 Cleaning 225 Fuse Replacement 225 Electrostatic Discharge ESD Precautions 230 Mechanical Disassembly 231 General disassembly 231 Replaceable Parts 239 To Order Replaceable Parts 240 Types of Services Availa...

Page 18: ...s 251 Operating specifications 252 Supplementary characteristics 253 DC Power Supply Specifications 257 Safety considerations 257 Specifications assumptions 257 Performance specifications 258 Supplementary characteristics 259 9 List of Error Messages Error Messages 264 Command errors 265 Execution errors 266 Internal errors 267 Query errors 267 Device specific errors 267 Self test errors 268 Calib...

Page 19: ...rement via the current path 41 Figure 2 7 Terminal connections for capacitance measurements 49 Figure 2 8 Terminal connections for continuity tests 51 Figure 2 9 Terminal connections for diode tests 53 Figure 3 1 Constant voltage mode terminal connections 76 Figure 3 2 Constant current mode terminal connections 78 Figure 3 3 Remote sensing connections 102 Figure 3 4 Local sensing connections 102 F...

Page 20: ...tup for CC line and load regulation verification 153 Figure 5 11 Test setup for CC noise effect verification 153 Figure 5 12 Test setup for square wave output verification 154 Figure 5 13 Load transient response time 169 Figure 6 1 SECUR pads location 188 ...

Page 21: ... 54 Table 2 12 Math operations summary 58 Table 3 1 Available frequencies for square wave output 92 Table 4 1 Utility menu key descriptions 110 Table 4 2 Utility menu item descriptions 113 Table 4 3 Ramp signal parameters 125 Table 4 4 Scan signal parameters 127 Table 5 1 Recommended test equipment for performance verification procedures 142 Table 5 2 Zero offset verification test 158 Table 5 3 DC...

Page 22: ...tput adjustment levels 212 Table 6 11 Constant current output adjustment 214 Table 6 12 Constant voltage output adjustment 217 Table 7 1 List of replaceable parts 239 Table 8 1 DC accuracy specifications of reading of range 246 Table 8 2 AC accuracy specifications of reading of range 249 Table 8 3 Frequency accuracy specifications of reading of range 250 Table 8 4 Frequency sensitivity for voltage...

Page 23: ...Instrument 5 Adjusting the Handle 6 To Rack Mount the Instrument 7 Product at a Glance 9 Product dimensions 9 The front panel at a glance 10 The display at a glance 11 The keypad at a glance 14 The terminals at a glance 19 The rear panel at a glance 22 This chapter prepares the U3606A Multimeter DC Power Supply for use and contains a brief description of the instrument front panel display keypad t...

Page 24: ...ttings The rear panel includes a GPIB and USB interface connector as well as output terminals capable of remote sensing When operating over the remote interface the U3606A functions as both a listener and a talker Using an external controller such as a PC you can instruct the U3606A to make a measurement output a source or send data back over the GPIB or USB interfaces Measurement features 5 digit...

Page 25: ...ty with preset time step and end amplitude Excellent load and line regulation Low ripple and noise System features Highly visible vacuum fluorescent display VFD Built in GPIB IEEE 488 and USB interface I O setup easily done from the front panel USB 2 0 full speed interface USBTMC488 2 compatible Compatible with Standard Commands for Programmable Instruments SCPI Automatic power on self test Error ...

Page 26: ... unit If anything is missing or damaged please contact the nearest Keysight Sales Office Power cord U8201A Combo test lead kit test leads alligator clips SMT grabbers fine tip test probes mini grabbers USB Standard A to Type B interface cable Printed Keysight U3606A Multimeter DC Power Supply Quick Start Guide Keysight Automation Ready CD ROM contains the Keysight IO Libraries Suite Keysight U3606...

Page 27: ...nt function with autoranging enabled and Constant voltage CV mode with the output disabled on standby For subsequent power cycles the U3606A returns to the last power off state when power is applied by default You can change this behavior in the utility menu See Changing the power on state on page 116 for more details on changing the instrument power on setting DC voltage measurement Constant volt...

Page 28: ... Adjusting the Handle To adjust the handle grasp the handle by the sides and pull outward Then rotate the handle to the desired position The various positions available are illustrated below Figure 1 1 U3606A handle adjustments Bench top viewing positions Carrying position ...

Page 29: ...e U3606A Multimeter DC Power Supply 1 Remove the carrying handle and the front and rear rubber bumpers before rack mounting the instrument 2 To remove the handle rotate it to a vertical position and pull the ends outward 3 To remove the rubber bumpers stretch a corner and slide it off 4 To rack mount a single instrument order U3606A ICM adapter kit 34190A 5 To rack mount two instruments side by si...

Page 30: ...op of each other The warning sign Stackable Direction located at the bottom side of the front and back rubber bumpers indicate the orientation of the rubber bumpers The rubber bumpers are uniquely designed to firmly secure the units stacked above it preventing any unwanted movements You may stack as many units as you want on top of each other Figure 1 2 U3606A stacking directions Stackable Directi...

Page 31: ...Getting Started 1 Product at a Glance U3606A User s and Service Guide 9 Product at a Glance Product dimensions Figure 1 3 U3606A dimensions 105 mm 329 mm 255 mm ...

Page 32: ...imeter function keys Function keys for multimeter operation See Multimeter operation on page 16 for a complete list of all multimeter key functions 5 Autorange and manual range keys Select a manual range for multimeter operation or enable autoranging See Selecting a Range on page 54 for more information 6 Source function keys Function keys for source operation See Source operation on page 17 for a...

Page 33: ...operation Table 1 1 U3606A display annunciators Annunciator Description A single reading is taken from the input SENSE terminals Trig Single trigger mode is active Hold Hold math operation enabled MinMaxAvg MinMax math operation enabled Avg When Avg is flashing the smooth function is enabled Null Null math operation enabled Diode test function selected Continuity test function selected Resistance ...

Page 34: ...y units Hz kHz MHz mV Voltage units mV V mA Current units mA A μnF Capacitance units nF μF EXT Remote sensing mode enabled CC Constant current mode selected CV Constant voltage mode selected Lo Ω Low resistance 4 wire measurement selected Square wave output selected S1 Output range S1 selected 30 V 1 A S2 Output range S2 selected 8 V 3 A V Voltage unit V for constant voltage mode A Current unit A ...

Page 35: ... Rmt Remote interface control is active OV Overvoltage condition active OC Overcurrent condition active OUT Output is enabled from the output FORCE terminals and remote sense rear output terminals SBY Output is on standby disabled ms Pulse width unit for square wave output Duty cycle unit for square wave output V Voltage unit V for overvoltage protection A Current unit A for overcurrent protection...

Page 36: ...orm a shifted function first press Shift the Shift annunciator will illuminate Then press the key that has the desired label above it The dBm Store Lo Ω Limit Auto Protect Limit 4 5 Recall Trig Utility Save Exit EXT and Range functions operations can only be accessed using the Shift key As an example to enable the limit math operation first press Shift While the Shift annunciator is illuminated pr...

Page 37: ...tility Menu on page 108 and Changing configurable settings on page 109 for more information Press or to enter the edit mode in the utility menu for configurable settings Press or to switch between two values to select a value from the list or to decrease or increase a value See Using the Utility Menu on page 108 and Changing configurable settings on page 109 for more information Press Shift Save t...

Page 38: ...Ω to select the low resistance 4 wire measurement function See Performing low resistance 4 wire measurements on page 35 for more information Press Hz ms to cycle between the frequency Hz pulse width ms and duty cycle measurement functions related to the voltage or current path 1 See Performing frequency pulse width and duty cycle measurements on page 38 for more information Press to select the dio...

Page 39: ... more information Press Shift Auto to enable autoranging and disable manual ranging See Selecting a Range on page 54 for more information Press Shift 4 5 to toggle between 4 digit and 5 digit mode See Setting the Resolution on page 55 for more information 3 Press Shift Trig to enable the single trigger mode See Triggering the Multimeter on page 69 for more information Source operation Press Voltag...

Page 40: ...tion Functions on page 78 for more information Press Shift Protect to set the overcurrent protection value for the CV output or the overvoltage protection value for the CC output 5 See Protection Functions on page 78 for more information Press Shift Range to toggle between range S1 30 V 1 A and range S2 8 V 3 A 6 See Selecting a Range on page 97 for more information Press to toggle between source ...

Page 41: ...nctions while the U3606A is in square wave output mode 5 The overcurrent and overvoltage protection features are only active when the output protection state is enabled See Chapter 4 Setting the output protection state starting on page 122 for more information 6 You can only change the range when the instrument output is in the standby state the SBY annunciator is illuminated CAUTION To avoid dama...

Page 42: ...se width measurement via the voltage path Capacitance measurement LO 1000 Vrms on all ranges 0 3 A short circuit Diode test LO 1000 Vrms on all ranges 0 3 A short circuit Resistance 2 wire measurement LO 1000 Vrms on all ranges 0 3 A short circuit Continuity test Low resistance 4 wire measurement LO 1000 Vrms on all ranges 0 3 A short circuit 1000 Vdc on all ranges 3 15 A 250 V FF fuse DC current ...

Page 43: ...o 3 A 1 OVP S1 0 V to 33 V S2 0 V to 8 8 V OV S1 0 V to 31 5 V S2 0 V to 8 4 V Ramp output Amplitude CV 0 V to 30 V 1 CC 0 A to 3 A 1 Number of steps 1 to 10000 steps Scan output Amplitude CV 0 V to 31 5 V 1 CC 0 A to 3 15 A 1 Number of steps 1 to 100 steps Dwelling time 1 to 99 s Square wave output Amplitude 0 V to 30 V 1 Frequency 27 predefined values Duty cycle 256 steps Pulse width 256 steps 1...

Page 44: ...from the instrument 4 Kensington security slot Anti theft system using Kensington locks 5 GPIB interface connector GPIB IEEE 488 connector physical interface See Configuring and connecting the GPIB interface on page 135 for more information 6 Chassis ground lug Connect to earth ground or to unit chassis to eliminate noise caused by ground loops 7 Rear output terminals Rear panel terminals for remo...

Page 45: ...ments 38 Performing capacitance measurements 46 Performing continuity tests 49 Performing diode tests 51 Selecting a Range 54 Setting the Resolution 55 Math Operations 56 Null 57 dBm measurements 59 dB measurements 60 MinMax 62 Limit 64 Hold 67 Triggering the Multimeter 69 Front panel triggering 70 Remote interface triggering 71 This chapter contains detailed information on how to take measurement...

Page 46: ...measurement NOTE Most basic measurements can be made using the instrument factory default settings For remote operation refer to the MEASure CONFigure and CALCulate subsystem in the U3606A Programmer s Reference CAUTION Ensure that terminal connections are correct for that particular measurement before making any measurement For each measurement connect the test leads as shown To avoid damaging th...

Page 47: ...erminal connections for voltage measurements AC or DC voltage source NOTE The U3606A will automatically select a suitable range for voltage measurements by default autoranging To manually select a range see Selecting a Range on page 54 for more information The U3606A resolution is set to 5 digits by default To change the resolution see Setting the Resolution on page 55 for more information ...

Page 48: ...minals V red and LO black respectively as shown in Figure 2 1 3 Probe the test points and read the display Table 2 1 DC voltage measurement summary Item Description Available ranges 19 9999 mV 100 000 mV 1 00000 V 10 0000 V 100 000 V 1000 00 V Measurement method Sigma Delta A to D converter Input impedance 10 MΩ 2 range typical in parallel with capacitance 120 pF Input protection 1000 Vrms on all ...

Page 49: ...gure 2 1 3 Probe the test points and read the display Table 2 2 AC voltage measurement summary Item Description Available ranges 100 000 mV 1 00000 V 10 0000 V 100 000 V 750 00 V Measurement method AC coupled true rms Input impedance 1 MΩ 2 range typical in parallel with capacitance 120 pF Input protection 750 Vrms on all ranges Crest factor For 5 1 errors included Limited by the peak input and 10...

Page 50: ...e and staircase waveforms without any DC offset However you may choose to return the measured AC signal with DC offset by using the AC DC function The AC DC voltage measurement measures AC voltage with DC offset 1 Press again until the AC DC annunciator is shown on the display to make AC DC voltage measurements 2 Connect the red and black test leads to input terminals V red and LO black respective...

Page 51: ...erminal connections for current measurements AC or DC current source NOTE The U3606A will automatically select a suitable range for current measurements by default autoranging To manually select a range see Selecting a Range on page 54 for more information The U3606A resolution is set to 5 digits by default To change the resolution see Setting the Resolution on page 55 for more information ...

Page 52: ...ack respectively as shown in Figure 2 2 3 Probe the test points and read the display Table 2 3 DC current measurement summary Item Description Available ranges 10 0000 mA 100 000 mA 1 00000 A 3 0000 A Measurement method Sigma Delta A to D converter Burden voltage and shunt resistance 0 2 V 10 Ω for 10 mA range 0 2 V 1 Ω for 100 mA range 0 3 V 0 1 Ω for 1 A range 0 7 V 0 01 Ω for 3 A range Input pr...

Page 53: ... read the display Table 2 4 AC current measurement summary Item Description Available ranges 10 0000 mA 100 000 mA 1 00000 A 3 0000 A Measurement method AC coupled true rms Burden voltage and shunt resistance 0 2 V 10 Ω for 10 mA range 0 2 V 1 Ω for 100 mA range 0 3 V 0 1 Ω for 1 A range 0 7 V 0 01 Ω for 3 A range Input protection Protected with a 3 15 A 500 V FF fuse Crest factor For 5 1 errors i...

Page 54: ...e and staircase waveforms without any DC offset However you may choose to return the measured AC signal with DC offset by using the AC DC function The AC DC current measurement measures AC current with DC offset 1 Press again until the AC DC annunciator is shown on the display to make AC DC current measurements 2 Connect the red and black test leads to input terminals I red and LO black respective...

Page 55: ...high voltage capacitors before measuring resistance or conductance or testing circuit continuity to avoid damaging the U3606A or the device under test Resistance Test current NOTE The U3606A will automatically select a suitable range for 2 wire resistance measurements by default autoranging To manually select a range see Selecting a Range on page 54 for more information The U3606A resolution is se...

Page 56: ... to input terminals red and LO black respectively as shown in Figure 2 3 3 Probe the test points and read the display Table 2 5 Resistance measurement summary Item Description Available ranges 100 000 Ω 1 00000 kΩ 10 0000 kΩ 100 000 kΩ 1 00000 MΩ 10 0000 MΩ 100 000 MΩ Measurement method Two wire open circuit voltage limited to 5 V Input protection 1000 Vrms on all ranges 0 3 A short circuit ...

Page 57: ...all high voltage capacitors before measuring resistance or conductance or testing circuit continuity to avoid damaging the U3606A or the device under test NOTE DC power supply functions are locked The DC power supply functions are locked when you select the low resistance Lo Ω measurements You cannot use the DC power supply module simultaneously with the digital multimeter module when you are meas...

Page 58: ...re resistance measurements Resistance Test current NOTE The U3606A will automatically select a suitable range for 4 wire low resistance measurements by default autoranging To manually select a range see Selecting a Range on page 54 for more information The U3606A resolution is set to 5 digits by default To change the resolution see Setting the Resolution on page 55 for more information ...

Page 59: ...econd red and black test leads to input terminals SENSE and LO SENSE respectively as shown in Figure 2 4 4 Probe the test points and read the display Table 2 6 Low resistance measurement summary Item Description Available ranges 100 mΩ 1000 mΩ 10 Ω Measurement method Four wire the test current is sent from the FORCE terminals and the resistance is measured by the SENSE terminals Input protection F...

Page 60: ...e measurements voltage or current Therefore before setting the frequency measurement it is advisable to configure the AC voltage see Measuring AC voltage on page 27 or AC current see Measuring AC rms current on page 31 measurements first Making the connections Connect the test leads as shown below Figure 2 5 Terminal connections for frequency pulse width and duty cycle measurements via the voltage...

Page 61: ...h chosen The U3606A will automatically select a suitable range for AC voltage and AC current measurements by default autoranging To manually select a range see Selecting a Range on page 54 for more information The U3606A resolution is set to 5 digits by default To change the resolution see Setting the Resolution on page 55 for more information CAUTION If the frequency signal measured is below 20 H...

Page 62: ...lash briefly before the frequency measurement display is shown 2 Connect the red and black test leads to input terminals V red and LO black respectively as shown in Figure 2 5 3 Probe the test points and read the display Table 2 7 Frequency measurement voltage path summary Item Description Available ranges 100 000 mV 1 00000 V 10 0000 V 100 000 V 750 00 V range is based on the voltage level of the...

Page 63: ...ress Hz ms to make frequency measurements via the voltage path The AC voltage measurement display will flash briefly before the frequency measurement display is shown 2 Press Hz ms again until the pulse width annunciator is shown on the display to make pulse width measurements 3 Connect the red and black test leads to input terminals V red and LO black respectively as shown in Figure 2 5 4 Probe t...

Page 64: ...ress Hz ms to make frequency measurements via the voltage path The AC voltage measurement display will flash briefly before the frequency measurement display is shown 2 Press Hz ms again until the duty cycle annunciator is shown on the display to make duty cycle measurements 3 Connect the red and black test leads to input terminals V red and LO black respectively as shown in Figure 2 5 4 Probe the...

Page 65: ...will flash briefly before the frequency measurement display is shown 2 Connect the red and black test leads to input terminals I red and LO black respectively as shown in Figure 2 6 3 Probe the test points and read the display Table 2 8 Frequency measurement current path summary Item Description Available ranges 10 0000 mA 100 000 mA 1 00000 A 3 0000 A range is based on the current level of the si...

Page 66: ...ess Hz ms to make frequency measurements via the current path The AC current measurement display will flash briefly before the frequency measurement display is shown 2 Press Hz ms again until the pulse width annunciator is shown on the display to make pulse width measurements 3 Connect the red and black test leads to input terminals I red and LO black respectively as shown in Figure 2 6 4 Probe th...

Page 67: ...ess Hz ms to make frequency measurements via the current path The AC current measurement display will flash briefly before the frequency measurement display is shown 2 Press Hz ms again until the duty cycle annunciator is shown on the display to make duty cycle measurements 3 Connect the red and black test leads to input terminals I red and LO black respectively as shown in Figure 2 6 4 Probe the ...

Page 68: ...at the correct capacitance value is obtained For measuring capacitance values greater than 1 mF a delayed response should be expected from the front panel display For remote interface operation increase the SCPI query timeout value Typically 10000 ms For measuring small capacitance values press Null with the test leads open to subtract the residual capacitance of the instrument and leads CAUTION D...

Page 69: ...own below Figure 2 7 Terminal connections for capacitance measurements Capacitance NOTE The U3606A will automatically select a suitable range for capacitance measurements by default autoranging To manually select a range see Selecting a Range on page 54 for more information The resolution for capacitance measurement is fixed to 3 digits ...

Page 70: ...ls red and LO black respectively refer to Figure 2 7 on page 47 3 Probe the test points and read the display Table 2 9 Capacitance measurement summary Item Description Available ranges 1 nF 10 nF 100 nF 1 μF 10 μF 100 μF 1000 μF 10000 μF Measurement method Computed from constant current source charge time typical 0 2 V to 1 4 Vac signal level Input protection 1000 Vrms on all ranges 0 3 A short ci...

Page 71: ...ower and discharge all high voltage capacitors before measuring resistance or conductance or testing circuit continuity to avoid damaging the U3606A or the device under test Test current Open or closed circuit NOTE The U3606A will automatically select a suitable range for continuity measurements by default autoranging To manually select a range see Selecting a Range on page 54 for more information...

Page 72: ...ectively as shown in Figure 2 8 3 Probe the test points The instrument beeps when the continuity measurement is less than or equal to the continuity threshold Table 2 10 Continuity function summary Item Description Measurement method 0 83 mA 0 2 constant current source open circuit voltage limited to 5 V Audible tone Continuous beep when reading is less than threshold resistance of 10 Ω at 1 0 kΩ ...

Page 73: ...the connections Connect the test leads as shown below Figure 2 9 Terminal connections for diode tests CAUTION Disconnect circuit power and discharge all high voltage capacitors before checking diodes to avoid damaging the U3606A or the device under test Forward bias diode Test current Reverse bias diode Test current ...

Page 74: ...he diode and the black test lead to the negative terminal cathode Refer to Figure 2 9 on page 51 4 Read the display NOTE The resolution for diode tests is fixed to 3 digits Table 2 11 Diode function summary Item Description Measurement method 0 83 mA 0 2 constant current source Audible tone Continuous beep when level is below 50 mV DC Single tone for normal forward biased diode or semiconductor ju...

Page 75: ...ered good if the multimeter displays OPEn in reverse bias mode A diode is considered shorted if the multimeter displays approximately 0 V in both forward and reverse bias modes and the U3606A beeps continuously A diode is considered open if the multimeter displays OPEn in both forward and reverse bias modes NOTE The U3606A can display diode forward bias of up to approximately 1 2 V The forward bia...

Page 76: ...nput signal is greater than can be measured on the selected range the multimeter provides these overload indications OL from the front panel or 9 9E 37 from the remote interface For frequency pulse width and duty cycle measurements ranging applies to the input voltage or input current of the signal not its frequency The range is fixed for diode 1 Vdc range tests The U3606A remembers the selected r...

Page 77: ...e low resistance measurements 5 digit readings have the best accuracy and noise rejection 4 digit readings provide for faster readings The range and resolution of the frequency pulse width and duty cycle measurements follows the configuration of the AC voltage or the AC current function Continuity and diode tests have a fixed 4 digit display Capacitance measurements have a fixed 3 digit display Ke...

Page 78: ...h measurement function All math operations can be toggled off by pressing Shift Exit All math operations are automatically turned off when changing measuring functions Range changing is allowed for all math operations For remote operation refer to the CALCulate subsystem in the U3606A Programmer s Reference Table 2 12 Math operations summary Measurement functions Allowed math operations Null dBm d...

Page 79: ...sed for calculating null measurements is The null value is adjustable you can set it to any value between 0 and 120 of the highest range for the present function Enabling the null operation For any measurement function you can directly measure and store the null value by pressing Null with the test leads open nulls the test lead capacitance shorted nulls the test lead resistance or across a desire...

Page 80: ...ly displayed in the upper secondary display The display will then return to normal 5 Press Shift Exit to exit the edit mode without saving NOTE In resistance measurement the U3606A will read a non zero value even when the two test leads are in direct contact because of the resistance of these leads Use the null function to zero adjust the display In DC voltage measurement mode the thermal effect w...

Page 81: ... of power delivered to a reference resistance relative to 1 mW The formula used for calculating dBm measurements is You can select the reference resistance value through the utility menu The default settings is 600 Ω See Selecting a dBm reference resistance value on page 121 for more information Enabling the dBm operation Press Shift dBm to enable the dBm operation The dBm annunciator is illuminat...

Page 82: ...formula used for calculating dB measurements is The relative value can take any value between 0 dBm and 120 000 dBm The default relative value is 0 dBm You can either let the instrument automatically measure this value or you can enter a specific value Enabling the dB operation Press Shift dBm dB to enable the dB operation The first displayed reading is always precisely 00 000 dB The dB annunciato...

Page 83: ... and edit the relative value 2 Press or to select which digit position or range to be changed 3 Press or to increase or decrease the value 4 Press Shift Save to save the changes donE will be briefly displayed in the upper secondary display The display will then return to normal 5 Press Shift Exit to exit the edit mode without saving ...

Page 84: ...splayed Press MinMax again to step through the maximum reading the Max annunciator is illuminated minimum reading the Min annunciator is illuminated average reading the Avg annunciator is illuminated or present reading the MaxMinAvg annunciator is illuminated NOTE This math operation applies to all measurement functions except continuity and diode test The stored statistical data are cleared when ...

Page 85: ...tes the average of all readings and records the number of readings taken since the MinMax function was enabled Accumulated statistics are Max maximum reading since the MinMax function was enabled Min minimum reading since the MinMax function was enabled Avg average of all readings since the MinMax function was enabled MaxMinAvg present reading actual input signal value Press Shift Exit to exit the...

Page 86: ...er limit value you select must be larger than the lower limit value The initial factory settings for both values is zero Enabling the limit operation Press Shift Limit to enable the limit operation The Limit annunciator is illuminated and the limit function is enabled NOTE This math operation applies to all measurement functions except continuity and diode test The instrument clears all limits aft...

Page 87: ... within the specified limits HI when the reading is above the high limit and LO when the reading is below the low limit Each time the input value transitions from PASS to HI or from PASS to LO or when transitioning directly from HI to LO or LO to HI the instrument beeps once if the beeper is enabled Press Shift Exit to exit the limit mode ...

Page 88: ...and lower LO limit values by positioning your cursor on the HI or LO message shown in the lower secondary display 5 Press or to increase or decrease the value 6 Press Shift Save to save the changes The display will automatically revert to the next limit display For example if you press Shift Save after editing the upper limit HI value the instrument will save your specified value and switch to the...

Page 89: ...s the variation preset in the utility menu The instrument beeps once if the beeper is enabled when a reading value is updated See Enable refresh hold on page 130 for more information on configuring the refresh hold settings For voltage current and capacitance measurements the reading value will not be updated when the reading falls below the threshold preset in the utility menu For continuity and ...

Page 90: ...ons 68 U3606A User s and Service Guide Enabling the hold operation Press Hold to enable the hold operation The Hold annunciator is illuminated and the hold function is enabled Press Hold again or Shift Exit to exit the hold mode Hold annunciator ...

Page 91: ...tion You can enable the single trigger function to manually trigger the U3606A readings See Front panel triggering on page 70 for more information on the single trigger function From the remote interface triggering the U3606A is a three step process 1 Configure the U3606A for measurement by selecting the function range resolution and so on 2 Specify the U3606A trigger source The U3606A Multimeter ...

Page 92: ...ss Shift Trig once to enable the single trigger mode The Trig annunciator is illuminated and the single trigger function is enabled A single reading is taken and another reading is taken each time you press Trig You do not need to press Shift again Press Shift Trig again to exit the single trigger mode NOTE The single trigger mode is available from the local interface only Trig annunciator ...

Page 93: ... the trigger source you must place the instrument in the wait for trigger state using the INITiate IMMediate or READ command A trigger will not be accepted from the selected trigger source until the instrument is in the wait for trigger state Refer to the U3606A Programmer s Reference for the syntax and complete descriptions for these commands Software bus triggering The bus trigger mode correspon...

Page 94: ... the U3606A and returns a measurement The READ command does not overwrite the bus trigger and if selected generates an error It will only trigger the instrument and return a measurement when the IMMEdiate trigger is selected The INITiate command only initiates the measurement and needs a trigger TRG command to make the actual measurement Refer to the U3606A Programmer s Reference for the syntax an...

Page 95: ...1 Overvoltage limit OV 84 Overcurrent limit OC 86 Square wave Output 88 Sweep Functions 93 Ramp signal 93 Scan signal 95 Selecting a Range 97 Enabling the Output 98 Remote Sensing 99 This chapter contains examples on how to operate the DC power supply from the front panel The simple examples discussed in this chapter shows you how to program the output voltage and current functions the protection ...

Page 96: ...lected value while the load current varies as required by the load In constant current mode the U3606A regulates the output current at the selected value while the voltage varies as required by the load The U3606A is also capable of generating square waves with selectable frequency pulse width and duty cycle values Constant voltage CV mode Making the connections Connect the load as shown below Fig...

Page 97: ... disabled SBY Ensure that the CV annunciator is flashing Press Voltage again if it is not 3 Press or to select which digit position to be changed 4 Press or to increase or decrease the value 5 Press Voltage again Shift Save or Shift Exit to save the changes and exit the edit mode 6 Press to regulate the output voltage CV annunciator OUT SBY NOTE The output voltage is limited by the range selected ...

Page 98: ...er Supply Operation Basic Operation 76 U3606A User s and Service Guide Constant current CC mode Making the connections Connect the load as shown below Figure 3 2 Constant current mode terminal connections LOAD ...

Page 99: ... disabled SBY Ensure that the CC annunciator is flashing Press Current again if it is not 3 Press or to select which digit position to be changed 4 Press or to increase or decrease the value 5 Press Current again Shift Save or Shift Exit to save the changes and exit the edit mode 6 Press to regulate the output current CC annunciator OUT SBY NOTE The output current is limited by the range selected ...

Page 100: ...heck OVP operation and how to clear the OVP condition Setting the OVP trip level 1 The OVP trip level can be programmed when the output is enabled OUT or disabled SBY Ensure that the U3606A is operating in constant current mode The CC annunciator is illuminated Press Shift Protect to enter the OVP edit menu 2 Press or to select which digit position to be changed 3 Press or to increase or decrease ...

Page 101: ...ble the U3606A output cause the CC annunciator to flash and the OV and Error annunciator to illuminate The triP message appears on the display after a few seconds of inactivity NOTE The OVP feature is always enabled by default whenever you select constant current mode You can disable the OVP feature by disabling the output protection state from the utility menu See Chapter 4 Setting the output pro...

Page 102: ...otect to save the changes 2 Alternatively press Shift Exit or Shift Protect to exit the edit mode without changing the OVP trip level 3 You may read and clear the error message by accessing the utility menu See Reading error messages on page 114 for more information 4 Press to turn the output on 5 If the OVP continues to trip try lowering the regulated output current or raising the OVP trip level ...

Page 103: ...e output is enabled OUT or disabled SBY Ensure that the U3606A is operating in constant voltage mode The CV annunciator is illuminated Press Shift Protect to enter the OCP edit menu 2 Press or to select which digit position to be changed 3 Press or to increase or decrease the value The OCP value is set to the maximum protection limits by default 1 1000 A when range S1 is selected and 3 3000 A when...

Page 104: ...fault whenever you select constant voltage mode You can disable the OCP by disabling the output protection state from the utility menu See Chapter 4 Setting the output protection state starting on page 122 for more information If the OCP value is set to a lesser value than the OC value the OC value will be adjusted to equal the OCP value The OCP value is not applicable for square wave output The O...

Page 105: ... immediately prompt you to change the OCP trip level Use the directional keys to select a higher OCP trip level and press Shift Save or Voltage Protect to save the changes 2 Alternatively press Shift Exit or Shift Protect to exit the edit mode without changing the OCP trip level 3 You may read and clear the error message by accessing the utility menu See Reading error messages on page 114 for more...

Page 106: ...The OV level can be programmed when the output is enabled OUT or disabled SBY Ensure that the U3606A is operating in constant current mode The CC annunciator is illuminated 1 Press Shift Limit to enter the OV edit menu 2 Press or to select which digit position to be changed 3 Press or to increase or decrease the value The OV value is set to the maximum protection limits by default 30 000 V when ra...

Page 107: ... set to a greater value than the OVP value the OVP value will be adjusted to equal the OV value If the OV value is set to zero this will result in the output current being dropped to zero for limiting The OV value is not applicable for square wave output The OV value is limited by the range selected Press Shift Range to select an appropriate range You can only select a range when the output is dis...

Page 108: ...The OC level can be programmed when the output is enabled OUT or disabled SBY Ensure that the U3606A is operating in constant voltage mode The CV annunciator is illuminated 1 Press Shift Limit to enter the OC edit menu 2 Press or to select which digit position to be changed 3 Press or to increase or decrease the value The OC value is set to the maximum protection limits by default 1 0000 A when ra...

Page 109: ... set to a greater value than the OCP value the OCP value will be adjusted to equal the OC value If the OC value is set to zero this will result in the output voltage being dropped to zero for limiting The OC value is not applicable for square wave output The OC value is limited by the range selected Press Shift Range to select an appropriate range You can only select a range when the output is dis...

Page 110: ...Press to select the square wave mode When the U3606A is operating in the square wave mode the square wave annunciator on the front panel is illuminated 2 The default frequency is 600 Hz as shown on the upper secondary display Press again to cycle through the amplitude duty cycle and pulse width values The default amplitude is 0 V the default duty cycle is 50 and the default pulse width is 0 8333 m...

Page 111: ...ct which digit position to be changed 3 Press or to increase or decrease the value 4 Press again or Shift Save to save the changes Square wave amplitude NOTE Pressing again will save the changes and display the next square wave parameter While still in the edit mode Pressing Shift Save will save the changes and exit the edit mode The square wave amplitude is limited by the range selected Press Shi...

Page 112: ...m 3 Press again or Shift Save to save the changes Table 3 1 Available frequencies for square wave output Frequency Hz 0 5 2 5 6 10 15 25 30 40 50 60 75 80 100 120 150 200 240 300 400 480 600 800 1200 1600 2400 4800 Square wave frequency Ensure that either the duty cycle or pulse width value is displayed here NOTE Pressing again will save the changes and display the next square wave parameter While...

Page 113: ...le duty cycle values The duty cycle can be stepped through 256 steps where each step is 0 390625 more than the previous step The best resolution the display can offer is 0 001 3 Press again or Shift Save to save the changes Square wave duty cycle NOTE Pressing again will save the changes and display the next square wave parameter While still in the edit mode Pressing Shift Save will save the chang...

Page 114: ...re each step is 1 256 frequency more than the previous step The display will automatically adjust to a 5 digit resolution ranging from 9 9999 ms to 9999 9 ms 3 Press again or Shift Save to save the changes When all the appropriate parameters have been set press to generate the square wave Square wave pulse width NOTE Pressing again will save the changes and display the next square wave parameter W...

Page 115: ...owing parameters the amplitude end position and the number of steps required to reach the amplitude end position You can configure the ramp signal parameters in the utility menu See Configuring the ramp signal parameters on page 123 for detailed instructions on setting the amplitude end position and number of steps The ramp dwelling time will be set to the fastest of the instrument capability typi...

Page 116: ...u want to fine tune the ramp signal parameters press Shift Utility to access the utility menu See Configuring the ramp signal parameters on page 123 for more information on configuring the ramp signal parameters Press Shift Save to save the changes and Shift Exit to exit the utility menu 4 Press Ramp Scan to select the ramp function Ensure that the Ramp annunciator is shown on the display 5 Press ...

Page 117: ...iled instructions on setting the amplitude end position number of steps and dwelling time length The total dwell time will increase with respect to the number of steps and the scan dwell time per step selected The scan dwell time is defined as the length of time the scan signal will dwell in the present step before incrementing to the next step Time t Amplitude V A Amplitude end position Scan dwel...

Page 118: ...tude end position will be limited by the range selected The respective annunciator S1 or S2 will illuminate accordingly 3 If you want to fine tune the scan signal parameters press Shift Utility to access the utility menu See Configuring the scan signal parameters on page 125 for more information on configuring the ramp signal parameters Press Shift Save to save the changes and Shift Exit to exit t...

Page 119: ...er voltage range Press Shift Range to toggle between range S1 and S2 The output range S1 and S2 annunciators will illuminate respectively when selected Output range annunciator NOTE The S1 range is selected by default You cannot change the range when the output is enabled OUT The output should always be on stand by SBY before the range or output function can be changed See Enabling the Output on p...

Page 120: ...utput is disabled the output voltage and current go to zero and the SBY annunciator is illuminated When the output is enabled the U3606A regulates the output voltage and current at the selected value and the OUT annunciator is illuminated The key is also used to generate the square wave output at the selected amplitude frequency pulse width and duty cycle The output state is stored in volatile mem...

Page 121: ...emote sense points By connecting the power supply for remote voltage sensing voltage is sensed at the load rather than at the U3606A output terminals FORCE This will allow the U3606A to automatically compensate for the voltage drop in applications with long lead lengths as well as to accurately read back the voltage across the load Refer to Chapter 8 Characteristics and Specifications starting on ...

Page 122: ...en connecting the sensing leads to the load Figure 3 3 Remote sensing connections Figure 3 4 Local sensing connections NOTE The metal shorting bars should be removed from the rear output and sense terminals for remote sensing connections For local voltage sensing connections the sense leads must be connected to the output terminals S S LOAD Rear output terminals Shielded two wire cable S S LOAD Re...

Page 123: ...terminal block 1 Turn off the power Remove all connections between the front output terminals and the load Remove any metal shorting bars connected to the rear output terminals 2 Loosen the two captive screws in the rear output terminal block with a Phillips screwdriver 3 Gently pull the rear output terminal block out ...

Page 124: ...3606A end only The other end of the shield should be left unconnected Observe the polarity when connecting the sensing leads to the load You can connect the output leads to either one of the two or terminals They are internally shorted 5 Tighten the top screws of the rear output terminal block to firmly secure the sensing and output connections 6 Place the rear output terminal block back in place ...

Page 125: ...ilted angled CAUTION Avoid connecting the load leads from the rear terminal block to the load as shown above Loosening the top screws at an inclined angle will damage the terminal block screws See Connecting the load leads to the rear terminal block on page 101 for the proper steps to connect the load leads from the rear terminal block to the load ...

Page 126: ...e value See Constant voltage CV mode on page 74 for more information 5 Press Shift EXT to enable remote sensing When the U3606A is operating in remote sensing mode the EXT annunciator on the front panel is illuminated 6 Press to regulate the output voltage 7 Press Shift EXT again to disable remote sensing CAUTION Do not use the shield as one of the sensing conductors The other end of the shielded ...

Page 127: ...When remote sensing add 5 mV to this specification for each 1 V drop between the positive sensing point S and output terminals due to the change in load current Because the sense leads are part of the U3606A feedback path keep the resistance of the sense leads at or below 0 5 Ω per lead to maintain the above specified performance Output rating The rated output voltage and current specifications in...

Page 128: ...3 DC Power Supply Operation Remote Sensing 106 U3606A User s and Service Guide ...

Page 129: ...nce value 121 Setting the output protection state 122 Configuring the ramp signal parameters 123 Configuring the scan signal parameters 125 Setting the smooth function 127 Enable refresh hold 130 Enable data hold 131 Storing and Recalling Instrument States 132 Storing a state 132 Recalling a stored state 133 Remote Operation 134 Configuring and connecting the GPIB interface 135 Configuring and con...

Page 130: ...ect a value from the list Decrease or increase a value by using the directional keys The utility menu also displays error messages and hardware revision codes The contents of the utility menu are summarized in Table 4 2 on page 111 Table 4 1 Utility menu key descriptions Key Description Press Shift Utility to access the utility menu Press or to step through the menu items Press or to switch betwee...

Page 131: ...ary display 3 Press or to step through the menu items When stepping through the configurable items the present setting for each item is displayed in the primary display 4 To change a setting use the and keys to switch between two values to select a value from the list or to decrease or increase a value 5 When the correct setting is displayed in the primary display press Shift Save to save the sett...

Page 132: ...ing edited will flash Use these keys to position the cursor on a digit When the cursor is positioned on a digit use these keys to edit the value When you are done editing save the new value by pressing Shift Save Or press Shift Exit to exit the edit mode without saving Key Description Press to move the cursor to the left Press to move the cursor to the right Key Description Press to increment the ...

Page 133: ...N Mb Select IOb to view interface board program code revision Select Sb to view source board program code revision Select Mb to view measurement board program code revision See Reading the program code revision on page 115 for more information diSP L 03 L 02 L 01 Cycle through the VFD display brightness levels See Adjusting the display brightness on page 116 for more information P on rESEt LASt Se...

Page 134: ...ormation db rEF NNNN Ω Set dB reference impedance value from 1 Ω to 9999 Ω See Selecting a dBm reference resistance value on page 121 for more information triP Sby YES no Select YES to enable the output protection or no to disable the output protection The factory default for the output protection state is YES See Setting the output protection state on page 122 for more information rAMP CV CC Pres...

Page 135: ...count from 0 0 to 9 9 Set the count to 0 0 to disable the fluctuation function See Setting the smooth function on page 127 for more information NNNN Set the number of points from 2 to 1999 See Setting the smooth function on page 127 for more information rHoLd t NNN nH N N Set the refresh hold variation t NNN in percentage When the variation of the measuring value exceeds the preset setting the ref...

Page 136: ...ry display 3 If there are no errors in the error queue the primary display shows nonE 4 If there are one or more errors totAL is shown in the primary display and NN is shown in the lower secondary display where NN is the total number of errors in the error queue For example if there are seven errors in the queue 07 will be shown in the lower secondary display 5 Errors are numbered and stored in th...

Page 137: ...he program code revision from the front panel 1 To access the utility menu press Shift Utility 2 The first utility menu item Error will be shown in the upper secondary display 3 Press The next menu item P CodE will be shown in the upper secondary display 4 Press or to cycle between the interface board IOb source board Sb and measurement board Mb program code revisions 5 After reading the program c...

Page 138: ...ess levels L 01 L 02 or L 03 5 After setting the appropriate brightness level press Shift Save to save or press Shift Exit to exit the edit mode without saving 6 Press Shift Exit to exit the utility menu Changing the power on state The following procedure shows you how to enable or disable the automatic recall of the power off state when the power is turned on For remote interface operation refer ...

Page 139: ...xit the utility menu Configuring the beeper Normally the U3606A beeps whenever certain conditions are met for example the U3606A beeps when a stable reading is captured in reading hold mode The beep driving frequency is set to 3840 Hz by default but may be disabled through the front panel When the beep driving frequency is set to 2400 Hz or 3840 Hz a single beep occurs for the following cases turn...

Page 140: ...y 3 Press or until the menu item bEEP is shown in the upper secondary display 4 Press or to change the beep driving frequency Select OFF to disable the beeper 5 After selecting the appropriate beep driving frequency press Shift Save to save or press Shift Exit to exit the edit mode without saving 6 Press Shift Exit to exit the utility menu Connecting to a remote interface The following procedure s...

Page 141: ...e cursor on the GPIB address number Use the directional keys to select an appropriate GPIB address from 1 to 30 See Editing values on page 110 for more information 7 After selecting the appropriate remote interface connection press Shift Save to save or press Shift Exit to exit the edit mode without saving 8 Press Shift Exit to exit the utility menu NOTE See Remote Operation on page 134 for more i...

Page 142: ...e interface operation refer to the TST command in the U3606A Programmer s Reference 1 To access the utility menu press Shift Utility 2 The first utility menu item Error will be shown in the upper secondary display 3 Press or until the menu item SELF t is shown in the upper secondary display 4 Press or to select YES 5 Press Shift Save to save The instrument will automatically exit the utility menu ...

Page 143: ...mW The following procedure shows you how to select an appropriate dBm reference resistance value 1 To access the utility menu press Shift Utility 2 The first utility menu item Error will be shown in the upper secondary display 3 Press or until the menu item db rEF is shown in the upper secondary display The factory default dBm reference resistance value is 600 Ω 4 Press or to change the dBm refere...

Page 144: ...mation The following steps shows you how to enable or disable the output source protection 1 Press Shift Utility to access the utility menu 2 The first utility menu item Error will be shown in the upper secondary display 3 Press or until the menu item triP Sby is shown in the secondary display as shown in the figure below 4 Press or to switch between YES and no Select YES to enable the output prot...

Page 145: ...ess Shift Utility 2 The first utility menu item Error will be shown in the upper secondary display 3 Press or until the menu item rAMP is shown in the upper secondary display Table 4 3 Ramp signal parameters Ramp signal Output Items Constant Voltage Constant Current Range S1 S2 S1 S2 Amplitude end position 1 1 Amplitude start position is fixed at 0 V or A by default 0 V to 30 000 V 0 V to 8 400 V ...

Page 146: ...alues on page 110 for more information 7 Press or until the cursor is position on the ramp signal number of steps Press or to change the number of steps for the ramp signal to increment from zero to the amplitude end position See Editing values on page 110 for more information Amplitude end position NN NNN V or N NNNN A Number of steps NNNNN Ramp signal range CV CC ramp signal parameters NOTE The ...

Page 147: ...irst utility menu item Error will be shown in the upper secondary display 3 Press or until the menu item SCAn is shown in the upper secondary display 4 Press Voltage or Current if you wish to configure the scan signal parameters for CV or CC output The CV or CC annunciator illuminates respectively when selected Table 4 4 Scan signal parameters Scan signal Output Items Constant Voltage Constant Cur...

Page 148: ...ress or until the cursor is position on the scan signal dwelling time Press or to change the scan signal dwelling time See Editing values on page 110 for more information 9 After configuring the scan signal parameters press Shift Save to save or press Shift Exit to exit the edit mode without saving 10 Press Shift Exit to exit the utility menu Amplitude end position NN NNN V or N NNNN A Number of s...

Page 149: ... readings obtained using the smooth function are easier to read as the readings are stabilized The smooth function and the average function of the MinMax operation are independent functions and mutually exclusive in which they cannot occur at the same time When the smooth function is enabled the AVG annunciator will be flashing to indicate its ON state The smooth function will start its calculatio...

Page 150: ...function calculations will reset For example a smooth function with a 5 V signal and a fluctuation count of 1 0 will only smooth the input raw signal to the existing smooth calculation if the input signal is between 4 9 V and 5 1 V The next input signal will then be compared to the newly smoothed signal If the input signal is out of the set fluctuation count range of the smoothed signal the smooth...

Page 151: ...orm the smooth function calculation depends on the number of points set For example if the number of points is set to 10 N 10 the smooth function will only use a maximum of 10 readings for averaging instead of an incremental value as used in the average function of the MinMax operation When the instrument reaches the 11th reading or more it will take the previous averaged value multiply by N 1 and...

Page 152: ...e 110 for more information 5 Press or until the cursor is position on the refresh hold threshold nH N N Press or to change the refresh hold threshold 0 1 to 9 9 for voltage current and capacitance measurements See Editing values on page 110 for more information 6 After configuring the refresh hold variation press Shift Save to save or press Shift Exit to exit the edit mode without saving 7 Press S...

Page 153: ...e upper secondary display 3 Press or until the menu item rHoLd is shown in the upper secondary display 4 Press or to change the refresh hold variation to OFF See Editing values on page 110 for more information 5 Press Shift Save to save or press Shift Exit to exit the edit mode without saving 6 Press Shift Exit to exit the utility menu NOTE To enable refresh hold again enter a value for the refres...

Page 154: ...iguration to State 0 whenever a power down event occurs For remote operation refer to the MEMory STATe RECall AUTO SAV and RCL commands in the U3606A Programmer s Reference Storing a state To store an instrument state 1 Press Shift Store The Store annunciator will begin flashing 2 Press or until the state number 01 to 16 you want to store to is shown on the primary display 3 Press Store or Shift S...

Page 155: ...unciator will begin flashing 2 Press or until the state number 01 to 16 you want to recall from is shown on the primary display 3 Press Recall or Shift Save to recall the selected state The upper secondary display briefly shows donE when the state is successfully recalled 4 The instrument will then return to normal operation NOTE Select state 00 to recall the instrument last power down state ...

Page 156: ...you select the GPIB interface you must select a unique address for the U3606A The current address for the U3606A is displayed on the lower secondary display in the utility menu You can select between two USB class USB TMC or USB CDC USB TMC is the default USB 2 0 full speed communication protocol interface that is compliant to USB standards while USB CDC is simulates a serial communication RS 232 ...

Page 157: ...e that all connectors are fully seated and that the lock screws are firmly finger tightened GPIB address Each device on the GPIB interface must have a unique address You can set the U3606A address to any value between 0 and 30 The current address is displayed on the secondary display at the bottom left The address is set to 01 when the U3606A is shipped from the factory The GPIB address can be set...

Page 158: ... as a custom control interface data interface audio or mass storage related interfaces To install the USB CDC driver see the USB CDC Driver Installation Guide in the U3606A Product Reference CD ROM Then connect the instrument to your PC using the USB 2 0 cable included with the instrument NOTE To easily configure and verify an interface connection between the U3606A Multimeter DC Power Supply and ...

Page 159: ...for the device to respond before this operation returns an error default value is 5000 milliseconds Some measurements may result in a delayed response time in the U3606A Multimeter DC Power Supply It is recommended that you increase the SCPI query timeout to 15000 milliseconds or longer to avoid SCPI query timeout errors Remote programming using SCPI commands During remote programming various SCPI...

Page 160: ...4 System Related Operation Remote Operation 138 U3606A User s and Service Guide ...

Page 161: ...etup 147 Output verification test setup 148 Verification and Performance Tests Overview 153 Self test 154 Performance Verification Tests 155 Zero offset verification test 155 Gain verification test 157 Output verification test 162 Optional capacitance gain verification test 172 Optional square wave output verification test 173 Additional Verification Tests 172 This chapter contains the procedures ...

Page 162: ... Fluke 5520A 20 of instrument 1 year specification DC current Calibrator Fluke 5520A 20 of instrument 1 year specification AC voltage Calibrator Fluke 5520A 20 of instrument 1 year specification AC current Calibrator Fluke 5520A 20 of instrument 1 year specification Resistance Calibrator Fluke 5520A 20 of instrument 1 year specification Frequency Function Arbitrary waveform generator Keysight 3325...

Page 163: ...O8064A or Infiniium equivalent Sensitivity 1 mV Bandwidth limit 20 MHz Probe 1 1 with RF tip 10 1 with RF tip for 50 V RMS voltmeter R S URE3 or equivalent 20 Hz to 20 MHz Load transient response time Oscilloscope Keysight DSO8064A or Infiniium equivalent Sensitivity 1 mV Bandwidth limit 20 MHz Probe 1 1 with RF tip 10 1 with RF tip for 50 V Electronic load Keysight 6060B Voltage range 30 Vdc Curr...

Page 164: ...witches AC voltage source Keysight 6813B Capable of supplying 90 Vac to 250 Vac Current monitoring resistor shunt ISOTEK Co model A H 0 01 Ω 0 1 TCR less than 20 ppm C Constant current noise effect AC DC current converter Tektronix TCP305 and Tektronix TCPA300 Fix resistive load 30 Ω 50 W 2 5 Ω 50 W Differential amplifier Lecroy DA1855A Bandwidth 20 MHz AC coupling Amplifier 10 50 Ω feed thru term...

Page 165: ...sed to connect disconnect and short the load resistor An electronic load however if available can be used in place of a variable load resistor The electronic load is considerably easier to use than load resistors It eliminates the need for connecting resistors or rheostats in parallel to handle power it is much more stable than a carbon pile load and it simplifies the work of switching between loa...

Page 166: ...sistor To eliminate the output measurement errors caused by voltage drops in the leads and connections connect the current monitoring resistor between the output terminal and the load as a four terminal device Connect the current monitoring leads inside the load lead connections directly at the monitoring points on the resistor element ...

Page 167: ...to earth ground Except where noted in the procedures connect the calibrator LO source to earth ground at the calibrator It is important that the LO to earth ground connection be made at only one place in the circuit to avoid ground loops Because the instrument is capable of making highly accurate measurements you must take special care to ensure that the calibration standards and test procedures u...

Page 168: ...r low thermal offset measurement Shielded twisted pair PTFE interconnecting cables of minimum length are recommended between the calibrator and the U3606A Cable shields should be earth ground referenced This configuration is recommended for optimal noises and settling time performance during calibration Zero offset verification test setup Figure 5 1 Test setup for zero offset short verification Co...

Page 169: ...er s and Service Guide 147 Gain verification test setup Figure 5 2 Test setup for DC voltage AC voltage resistance and capacitance gain verification Figure 5 3 Test setup for DC current and AC current gain verification Calibrator Calibrator Alternate connection path ...

Page 170: ...148 U3606A User s and Service Guide Figure 5 4 Test setup for frequency gain verification Output verification test setup Figure 5 5 Test setup for CV programming and readback accuracy verification Function Arbitrary waveform generator BNC Digital multimeter ...

Page 171: ... Test setup for CV load and line regulation verification Figure 5 7 Test setup for CV noise effect verification LOAD Digital multimeter Electronic load V V Vout V1 V2 R 1 R 1 R2 R2 4 3 2 1 Differential amplifier Oscilloscope RMS voltmeter 50 Ω termination Fix resistive load 50 Ω termination BNC BNC BNC ...

Page 172: ...6A User s and Service Guide Figure 5 8 Test setup for load transient response time verification Figure 5 9 Test setup for CC programming and readback accuracy verification 4 3 2 1 LOAD Oscilloscope Electronic load BNC Digital multimeter Current monitoring resistor ...

Page 173: ... for CC line and load regulation verification Figure 5 11 Test setup for CC noise effect verification LOAD Digital multimeter Electronic load Current monitoring resistor V V Vout V1 V2 R 1 R 1 R2 R2 TCPA300 TCP305 Fix resistive load Differential amplifier RMS voltmeter 50 Ω termination BNC BNC BNC AC DC converter ...

Page 174: ...e Tests Input Connections 152 U3606A User s and Service Guide Figure 5 12 Test setup for square wave output verification 4 3 2 1 Oscilloscope Universal counter frequency Alternate path for square wave frequency output verification ...

Page 175: ...istics and Specifications starting on page 241 You can perform three different levels of verification and performance tests Self test A series of internal verification tests which give a high confidence that the instrument is operational Performance Verification Tests An extensive set of tests that are recommended as an acceptance test when you first receive the instrument or after performing adju...

Page 176: ...age 114 or use the SYSTem ERRor query from the remote interface see the U3606A Programmer s Reference A list of the possible self test errors is given on page 266 If repair is required contact the Keysight Service Center You can initiate a more complete self test from the utility menu see Performing a self test on page 120 or by sending the TST command to the instrument from a remote interface Thi...

Page 177: ...instrument Verification checks are only performed for those functions and ranges with unique offset calibration constants Measurements are checked for each function and range as described in the procedure on the next page Zero offset verification procedure 1 Connect the shorting plug to the V red and LO input terminals see Figure 5 1 on page 146 Leave the current input open 2 Select each function ...

Page 178: ...n test Input Function Range Error from nominal 1 year Short DC voltage 100 mV 0 008 mV 1 V 0 00005 V 10 V 0 0005 V 100 V 0 005 V 1000 V 0 05 V Resistance 100 Ω 0 008 Ω 1 kΩ 0 00005 kΩ 10 kΩ 0 0005 kΩ 100 kΩ 0 005 kΩ 1 MΩ 0 00005 MΩ 10 MΩ 0 0005 MΩ 100 MΩ 0 005 MΩ Open DC current 10 mA 0 0015 mA 100 mA 0 005 mA 1 A 0 00007 A 3 A 0 00021 A ...

Page 179: ...e 5 2 on page 147 2 Press to select the DC voltage function The DC annunciator will be illuminated 3 Select each range in the order shown below Provide the indicated input voltage Compare the measurement results to the appropriate test limits shown in Table 5 3 Be certain to allow for appropriate source settling when using the Fluke 5520A Table 5 3 DC voltage gain verification test Input voltage R...

Page 180: ...w for appropriate source settling when using the Fluke 5520A AC voltage verification test 1 Connect the calibrator to the front panel V red and LO black input terminals see Figure 5 2 on page 147 2 Press to select the AC voltage function The AC annunciator will be illuminated 3 Select each range in the order shown below Provide the indicated input voltage and frequency Compare the measurement resu...

Page 181: ...ncy Compare the measurement results to the appropriate test limits shown in Table 5 6 Be certain to allow for appropriate source settling when using the Fluke 5520A Table 5 5 AC voltage gain verification test Input voltage Input frequency Range Error from nominal 1 year 10 mV 1 Hz 100 mV 0 12 mV 100 mV 1 Hz 100 mV 0 3 mV 0 1 V 1 kHz 1 V 0 0012 V 1 V 1 kHz 1 V 0 003 V 1 V 1 kHz 10 V 0 012 V 10 V 1 ...

Page 182: ... test limits shown in Table 5 7 Be certain to allow for appropriate source settling when using the Fluke 5520A Table 5 6 AC current gain verification test Input current Input frequency Range Error from nominal 1 year 1 mA 1 kHz 10 mA 0 015 mA 10 mA 1 kHz 10 mA 0 06 mA 10 mA 1 kHz 100 mA 0 15 mA 100 mA 1 kHz 100 mA 0 6 mA 0 1 A 1 kHz 1 A 0 0015 A 1 A 1 kHz 1 A 0 006 A 1 A 1 kHz 3 A 0 008 A 3 A 1 kH...

Page 183: ...ltage Compare the measurement results to the appropriate test limits shown in Table 5 8 Be certain to allow for appropriate source settling when using the Fluke 5520A 10 MΩ 10 MΩ 0 0255 MΩ 10 MΩ 100 MΩ 0 205 MΩ 1 Specifications stated are for 2 wire resistance measurements using the Null math operation Without Null add 0 2 Ω additional error Table 5 8 Frequency gain verification test Input frequen...

Page 184: ...nd black output terminals see Figure 5 5 on page 148 2 Turn on the instrument Press Voltage to select the constant voltage mode Ensure that the S1 30 V 1 A range is selected the S1 annunciator is illuminated Press Shift Range again if it is not 3 Output each value in the order shown below Record the output voltage reading on the digital multimeter Compare the measurement results to the appropriate...

Page 185: ...ont panel red and black output terminals in parallel with a digital multimeter see Figure 5 6 on page 149 5 Operate the electronic load in constant resistance mode and set its resistance to 30 Ω Ensure that the U3606A is operating within the specified limit and protection values If not adjust the electronic load by increasing the resistance so that the current drops slightly until the U3606A is op...

Page 186: ...onnect an additional electronic load across the front panel red and black output terminals in parallel with a digital multimeter see Figure 5 6 on page 149 6 Operate the electronic load in constant resistance mode and set its resistance to 30 Ω Ensure that the U3606A is operating within the specified limit and protection values If not adjust the electronic load by increasing the resistance so that...

Page 187: ...e Ensure that the S1 30 V 1 A range is selected the S1 annunciator is illuminated Press Shift Range again if it is not 4 Set the output voltage to the full rated value 30 V for S1 range and current to full scale Enable the output 5 Configure the differential amplifier as follows i Set to the AC mode positive and negative to remove the DC component ii Set to the differential mode iii Set the gain t...

Page 188: ...t the oscilloscope and connect an RMS voltmeter in its place see Figure 5 7 on page 149 Do not disconnect the 50 Ω feed thru termination 10 Configure the RMS voltmeter as follows i Set the high pass filter to 10 Hz ii Enable AC coupling 11 Obtain the maximum rms voltage measurement as indicated in the RMS voltmeter Divide the value by 10 to get the constant voltage rms noise measurement The result...

Page 189: ...n page 150 5 Operate the electronic load in transient operation mode between one half of the output full rated value and the output full rated value at a 1 Hz rate with 50 duty cycle 6 Set the oscilloscope for DC coupling internal synchronization and lock on either the positive or negative load transient 7 Adjust the oscilloscope to display transients as shown in Figure 5 13 Note that the pulse wi...

Page 190: ...esistor by its resistance Record and compare the measurement results to the appropriate test limits shown in Table 5 12 CC load effect load regulation This test measures the change in the output current resulting from a change in the load from full rated output voltage to short circuit 1 Turn off the instrument and connect a 0 01 Ω current shunt monitoring resistor between the front panel red and ...

Page 191: ... in Table 5 13 CC source effect line regulation This test measures the change in output current that results from a change in AC line voltage from the minimum value to the maximum value 1 Turn off the instrument and connect a 0 01 Ω current shunt monitoring resistor across the front panel red and black output terminals and a digital multimeter across the current shunt monitoring resistor see Figur...

Page 192: ...line voltage limit Record the output current reading on the digital multimeter 9 Compare the difference between the measurement results to the appropriate test limits shown in Table 5 14 CC noise effect This test measures the RMS output current in the frequency range from 20 Hz to 1 MHz 1 Turn off the instrument and connect a 2 5 Ω fix resistive load between the front panel red and black output te...

Page 193: ...to full scale Enable the output 7 Configure the differential amplifier as follows i Set to the AC mode positive and negative to remove the DC component ii Set to the differential mode iii Set the gain to 10 iv Set the attenuation to 1 v Set the low pass filter to 1 MHz bandwidth limit to filter out input signals containing higher frequencies vi Set to the zero precision current generator vii Set t...

Page 194: ...e indicated input capacitance Compare the measurement results to the appropriate test limits shown in Table 5 15 Be certain to allow for appropriate source settling when using the Fluke 5520A Table 5 15 Optional capacitance gain verification test Input capacitance Range Error from nominal 1 year 0 4 nF 1 nF 0 016 nF 1 nF 10 nF 0 06 nF 10 nF 100 nF 0 6 nF 0 1 μF 1 μF 0 006 μF 1 μF 10 μF 0 06 μF 10 ...

Page 195: ...ator is illuminated Press Shift Range again if it is not 3 Output each value in the order shown below Record the output voltage reading on the oscilloscope Compare the measurement results to the appropriate test limits shown in Table 5 16 4 Repeat step 2 and step 3 for the S2 8 V 3 A range Press Shift Range to select the S2 range the S2 annunciator is illuminated 1000 μF 1000 μF 15 μF 10000 μF 100...

Page 196: ...y cycle output verification test 1 Turn off the instrument and connect an oscilloscope between the front panel red and black output terminals see Figure 5 12 on page 152 2 Turn on the instrument Press to select the square wave mode 3 Output each value in the order shown below Record the output duty cycle reading on the oscilloscope Compare the measurement results to the appropriate test limits sho...

Page 197: ...dditional Verification Tests U3606A User s and Service Guide 175 Table 5 18 Square wave duty cycle output verification test Output duty cycle Output amplitude Range Error from nominal 1 year 50 4800 Hz 30 V 30 V 2 55 50 4800 Hz 8 V 8 V 2 55 ...

Page 198: ...5 Verification and Performance Tests Additional Verification Tests 176 U3606A User s and Service Guide ...

Page 199: ...setting the security code to the factory default 185 Calibration Count 188 Calibration Message 189 Using the Front Panel for Adjustments 190 Selecting the adjustment mode 190 Entering adjustment values 190 Aborting a calibration in progress 191 General calibration procedure 192 Adjustments procedures 195 Zero offset adjustment 195 Gain adjustments 197 Output adjustments 210 Finishing the adjustmen...

Page 200: ...rection factors are stored in the nonvolatile memory until the next calibration adjustment is performed The nonvolatile EEPROM calibration memory does not change when power has been turned off after a Factory Reset RST command or after an Instrument Preset SYSTem PRESet command Keysight Technologies calibration services Keysight Technologies offers calibration services at competitive prices When y...

Page 201: ...ibration interval you select Keysight recommends that a complete re adjustment is always performed at the calibration interval This is necessary to ensure that the instrument will remain within the specification for the next calibration interval This criteria for re adjustment provides the best long term stability Performance data measured during performance verification tests see Chapter 5 Verifi...

Page 202: ...Zero calibration Shorting plug Dual banana plug with copper wire short between the two input terminals DC voltage Calibrator Fluke 5520A 20 of instrument 1 year specification DC current Calibrator Fluke 5520A 20 of instrument 1 year specification Calibrator Fluke 5520A 20 of instrument 1 year specification AC current Calibrator Fluke 5520A 20 of instrument 1 year specification Resistance Calibrato...

Page 203: ...ests to characterize the instrument See Verification and Performance Tests Overview on page 153 3 Unsecure the instrument for calibration See Unsecuring the instrument for calibration on page 182 4 Perform the adjustment procedures Adjustments procedures on page 195 5 Secure the instrument against calibration Change the calibration code if necessary See Changing the calibration security code on pa...

Page 204: ...code may contain up to 12 alphanumeric characters The first character must be a letter The remaining characters can be letters or numbers You do not have to use all 12 characters Unsecuring the instrument for calibration Before you can adjust the instrument you must unsecure it by entering the correct security code The default security code is ATU3606A NOTE You can unsecure the instrument from the...

Page 205: ...o AT01A234 from the remote interface When unsecuring from the front panel the first three characters and any characters after the seventh through twelfth characters are ignored In our example the code now becomes 1A23 From the front panel any letters A in this example are represented by the numeral 0 Use this code to unsecure 1023 Example 3 Assume that the calibration security code has been set to...

Page 206: ...AiL is displayed in the primary display for 3 seconds after which the calibration security code edit mode will appear again To unsecure the instrument from the remote interface Send the CALibration SECurity CODE mode code command from the remote interface CAL SEC CODE OFF ATU3606A This command unsecures the instrument for calibration The default security code is ATU3606A The security code can only...

Page 207: ...curity code you may follow the steps below to change the security code back to the factory default ATU3606A To unsecure the instrument without the correct security code follow the steps below CAL SEC State OFF ATU3606A This command unsecures the instrument for calibration The default security code is ATU3606A The security code can only be changed when the instrument is unsecured CAL SEC CODE ABC12...

Page 208: ...orary short between the two exposed metal pads on the main printed circuit PC board assembly The general location is shown in Figure 6 1 On the U3606A PC board the pads are marked as SECUR Figure 6 1 SECUR pads location WARNING Be careful not to touch the power line connections or high voltages on the power input module and transformer Power is present even if the instrument is turned off when the...

Page 209: ...r cord 7 Remove the temporary short installed in step 3 8 Reassemble the instrument 9 Unsecure the instrument with the default security code ATU3606A Use 3606 if you are unsecuring the instrument from the front panel 10 You can now enter a new security code if you wish See Changing the calibration security code on page 185 Be sure you record the new security code CAUTION Never calibrate the instru...

Page 210: ...r to 0 Since the value increments by one for each calibration point a complete calibration may increase the value by many counts The calibration count is stored in the nonvolatile memory and does not change when power has been turned off after a Factory Reset RST command or after an Instrument Preset SYSTem PRESet command Reading the calibration count 1 Unsecure the instrument for calibration See ...

Page 211: ...ssage may contain up to 40 characters You can record a calibration message only when the instrument is unsecured You can read the calibration message from the remote interface only whether the instrument is secured or unsecured To store a calibration message use the CALibration STRing and CALibration STRing commands from the remote interface See the U3606A Programmer s Reference for more informati...

Page 212: ...fore performing any adjustments you must first unsecure the instrument for calibration See Unsecuring the instrument for calibration on page 182 for more information Once unsecured CALib is displayed on the lower secondary display to indicate that you are in adjustment mode Entering adjustment values In the adjustment procedures to enter an input calibration value from the front panel use these ke...

Page 213: ...ort a calibration at any time on any module by pressing Shift Key Description Press to increment the digit Press to decrement the digit OUT SBY CAUTION If you abort a calibration in progress when the instrument is attempting to write new calibration constants to EEPROM you may lose all calibration constants for the function Typically upon re applying power the instrument will report error 705 Cal ...

Page 214: ... code you entered is correct PASS is briefly displayed in the primary display the instrument goes into the adjustment mode CALib is displayed on the lower secondary display and the reference input value of the next adjustment item is displayed on the upper secondary display For example if the reference input of the next adjustment item is shorting the input terminals the upper secondary display wi...

Page 215: ... is a voltage current resistance capacitance or temperature value set up the Fluke 5520A calibrator or another device with an equivalent standard of accuracy to provide the necessary input 4 With the required reference input applied to the correct terminals press to start the adjustment During calibration the primary display will indicate the uncalibrated reading and the calibration indicator CALi...

Page 216: ...p 4 until all adjustments for that particular function have been completed 6 Select another function to be calibrated Repeat step 3 to step 5 For a key that hosts more than one function for example press again to switch to the next function 7 After calibrating all the functions press Shift Exit or Shift to exit adjustment mode 8 Power off the instrument and then power on it again The instrument is...

Page 217: ...ents 1 Follow the steps outlined below Review the Test Considerations on page 145 before beginning this test 2 After unsecuring the instrument the instrument goes into the adjustment mode CALib is shown on the lower secondary display with the upper secondary display showing Short Connect the shorting plug between the V red and LO black front panel input terminals Leave the current input I red open...

Page 218: ...e 5 Remove the shorting plug from the input terminals 6 Press Shift MinMax The display CALib in the lower secondary display starts flashing to indicate that the calibration is in progress 7 The primary display will show the measurement functions and ranges as the adjustments progress Successful completion of the adjustment is indicated by a short beep and the primary display briefly showing PASS A...

Page 219: ...res Adjustments for each function should be performed ONLY in the order shown Gain adjustment considerations The zero offset adjustment procedure must have been recently performed prior to beginning any gain adjustment procedures Be sure to allow the instrument to warm up and stabilize for 120 minutes before performing the adjustments Consider the thermal effects as you are connecting test leads t...

Page 220: ...ut values Function Range Valid amplitude input values Page DC voltage 100 mV 1 V 1 V 10 V 100 V 1000 V 0 9 to 1 1 full scale page 199 AC voltage 10 mV 100 mV 1 V 10 V 100 V 750 V 0 9 to 1 1 full scale page 201 Frequency Autorange 1 kHz Input 100 mVrms 900 Hz to 1100 Hz page 202 Resistance 2 wire 100 Ω 1 kΩ 10 kΩ 100 kΩ 1 MΩ 10 MΩ 0 9 to 1 1 full scale page 203 DC current 10 mA 100 mA 1000 mA 0 9 t...

Page 221: ...ment item 3 Configure each adjustment item shown in Table 6 3 4 Use or to select the adjustment item 5 Apply the input signal shown in the Input column of Table 6 3 AC current 1 mA 10 mA 100 mA 1000 mA 0 9 to 1 1 full scale page 206 Capacitance 0 4 nF 1 nF 10 nF 100 nF 1 μF 10 μF 100 μF 100 μF 10000 μF 0 9 to 1 1 full scale page 207 Table 6 2 Valid gain adjustment input values continued Function R...

Page 222: ...he primary display showing FAiL and a calibration error number appearing in the upper secondary display Correct the problem and repeat this procedure 8 Repeat step 3 through step 7 for each gain adjustment point shown in Table 6 3 9 Verify the DC voltage gain adjustments using the DC voltage gain verification test on page 157 Table 6 3 DC voltage gain adjustment Adjustment item Input voltage Short...

Page 223: ...he Input column of Table 6 4 6 Enter the actual applied input see Entering adjustment values on page 190 7 Press to start the adjustment The display CALib in the lower secondary display starts flashing to indicate that the calibration is in progress Successful completion of the adjustment is indicated by a short beep and the primary display briefly showing PASS An adjustment failure is indicated b...

Page 224: ... Configure each adjustment item shown in Table 6 5 4 Use or to select the adjustment item 5 Apply the input signal shown in the Input column of Table 6 5 6 Enter the actual applied input see Entering adjustment values on page 190 Table 6 4 AC voltage gain adjustment Adjustment item Input voltage Vrms Input frequency 10 000 mV 1 kHz 10 mV 1 kHz 100 000 mV 1 kHz 100 mV 1 kHz 1 00000 V 1 kHz 1 V 1 kH...

Page 225: ... test on page 161 Resistance gain adjustment procedure Review the Test Considerations on page 145 and Gain adjustment considerations on page 197 sections before beginning this procedure This procedure adjusts the gain for the two wire resistance function The gain for the 100 MΩ range is derived from the 10 MΩ range and does not have a separate adjustment point 1 Press to enter the resistance gain ...

Page 226: ...ure is indicated by a long beep the primary display showing FAiL and a calibration error number appearing in the upper secondary display Correct the problem and repeat this procedure 8 Repeat step 3 through step 7 for each gain adjustment point shown in Table 6 6 9 Verify the resistance gain adjustments using the Resistance gain verification test on page 160 NOTE Always complete tests in the same ...

Page 227: ...djustment item 5 Apply the input signal shown in the Input column of Table 6 7 6 Enter the actual applied input see Entering adjustment values on page 190 7 Press to start the adjustment The display CALib in the lower secondary display starts flashing to indicate that the calibration is in progress Successful completion of the adjustment is indicated by a short beep and the primary display briefly...

Page 228: ...in adjustment considerations on page 197 sections before beginning this procedure 1 Press twice to enter the AC current gain calibration The AC annunciator will be illuminated 2 The primary display will show the uncalibrated value and the upper secondary display will show the reference value of the adjustment item 3 Configure each adjustment item shown in Table 6 8 4 Use or to select the adjustmen...

Page 229: ...this procedure 8 Repeat step 3 through step 7 for each gain adjustment point shown in Table 6 8 9 Verify the AC current gain adjustments using the AC current verification test on page 159 Capacitance gain adjustment procedure Review the Test Considerations on page 145 and Gain adjustment considerations on page 197 sections before beginning this procedure 1 Press to enter the capacitance gain calib...

Page 230: ... the primary display showing FAiL and a calibration error number appearing in the upper secondary display Correct the problem and repeat this procedure 8 Repeat step 3 through step 7 for each gain adjustment point shown in Table 6 9 9 Verify the capacitance gain adjustments using the Optional capacitance gain verification test on page 172 NOTE If the zero offset adjustment procedure has been recen...

Page 231: ...procedures U3606A User s and Service Guide 209 10 00 nF 10 nF 100 0 nF 100 nF 1 000 μF 1 μF 10 00 μF 10 μF 100 0 μF 100 μF 1000 μF 1000 μF 10000 μF 10000 μF Table 6 9 Capacitance gain adjustment continued Adjustment item Input capacitance ...

Page 232: ...nt levels Output adjustment can be accomplished using the following output levels NOTE Front and rear terminal output adjustment The U3606A Multimeter DC Power Supply needs to be calibrated twice once for the front panel output terminals and again for the rear panel output terminals When you have completed the voltage and current output adjustments for the front panel output terminals repeat the e...

Page 233: ...ure that the S2 8 V 3 A range is selected the S2 annunciator is illuminated Press Current again if it is not 3 The primary display will show the uncalibrated value and the upper secondary display will show the reference level of the adjustment item 4 Configure each adjustment item shown in Table 6 11 5 Use or to select the adjustment item 6 Press to start the adjustment The display CALib in the lo...

Page 234: ...shown in Table 6 11 8 Repeat step 3 through step 7 for the S1 30 V 1 A range Press Current to select the S1 range the S1 annunciator is illuminated For adjustment item LOAd connect a 30 Ω 50 W load across the front panel red output terminal and the I red terminal Leave the black terminal and LO black terminal connected 9 Verify the constant current adjustments using the CC programming and readback...

Page 235: ...nter the constant voltage output calibration Ensure that the S2 8 V 3 A range is selected the S1 annunciator is illuminated Press Voltage again if it is not 3 The primary display will show the uncalibrated value and the upper secondary display will show the reference level of the adjustment item 4 Configure each adjustment item shown in Table 6 12 5 Use or to select the adjustment item S1 30 V 1 A...

Page 236: ... and a calibration error number appearing in the upper secondary display Correct the problem and repeat this procedure 7 Repeat step 3 through step 6 for each output adjustment item shown in Table 6 12 8 Repeat step 3 through step 7 for the S1 30 V 1 A range Press Voltage to select the S1 range the S1 annunciator is illuminated For adjustment item LOAd connect an additional 30 Ω 50 W load across t...

Page 237: ...he instrument and connect the rear panel and output terminals to the I red and LO black input terminals Table 6 12 Constant voltage output adjustment Range Adjustment item Output voltage S2 8 V 3 A OUt L 0 V OUt H 8 V S1 30 V 1 A OUt L 0 V OUt H 30 V LOAd 1 1 See step 8 for information on how to connect the LOAd adjustment item 30 V with additional 30 Ω 50 W load NOTE Ensure that the rear panel se...

Page 238: ...stment items 4 Repeat step 3 through step 7 of the CC output adjustment procedure front output terminals on page 211 for the S1 30 V 1 A range Press Voltage to select the S1 range the S1 annunciator is illuminated For adjustment item LOAd connect a 30 Ω 50 W load across the front panel rear output terminal and the I red terminal Leave the rear terminal and LO black terminal connected S S NOTE Do n...

Page 239: ...he Test Considerations on page 145 and Input Connections on page 146 sections before beginning this procedure 1 Turn off the instrument and connect the rear panel and output terminals to the V red and LO black input terminals S S 30 Ω 50 W load NOTE Ensure that the rear panel sense terminals S and S are shorted to the rear panel output and terminals See Remote sensing connections on page 100 for m...

Page 240: ...s 4 Repeat step 3 through step 7 of the CV output adjustment procedure front output terminals on page 213 for the S1 30 V 1 A range Press Voltage to select the S1 range the S1 annunciator is illuminated For adjustment item LOAd connect an additional 30 Ω 50 W load across the rear panel and output terminals Leave the connections from the output terminals and to the input terminals V and LO intact S...

Page 241: ... on page 162 Finishing the adjustments 1 Remove all shorting plugs and connections from the instrument 2 Reset the calibration message Calibration Message on page 189 3 Record the new calibration count Calibration Count on page 188 4 Press Shift Exit or Shift to exit the adjustment mode 5 The instrument will be secured and returns to normal operation S S 30 Ω 50 W load V ...

Page 242: ...6 Calibration Procedures Adjustments procedures 220 U3606A User s and Service Guide ...

Page 243: ...lace the current input fuse 226 Electrostatic Discharge ESD Precautions 228 Mechanical Disassembly 229 General disassembly 229 Replaceable Parts 237 To Order Replaceable Parts 238 Types of Services Available 239 Repackaging for Shipment 240 This chapter will help you troubleshoot a failing instrument It also describes how to obtain repair service and lists the replaceable assemblies ...

Page 244: ... that the power line fuse is installed and not open Verify the power line voltage setting Does the instrument fail self test Remove all test connections to the instrument and run the self test again Errors may be induced by AC signals present on the input terminals of the instrument during the self test Long test leads can act as an antenna causing pick up of AC signals Remove all load connections...

Page 245: ... test leads 2 If possible turn the instrument over and shake out any dirt that may have accumulated in the terminals 3 Wipe the case with a damp cloth and mild detergent do not use abrasives or solvents Wipe the contacts in each terminal with a clean cotton swab moistened with alcohol Fuse Replacement To replace the power line fuse The power line fuse is located within the U3606A fuse holder assem...

Page 246: ...e Guide S B 5 20 mm fuse Keysight part number A02 62 25026 2U If you are certain that the fuse is faulty replace it with one of the same size and rating 1 Disconnect power cord Using a flat blade screwdriver gently pry open the fuse holder assembly as shown below ...

Page 247: ...ser s and Service Guide 225 2 Remove the fuse holder assembly from the rear panel 3 Remove the faulty power line fuse and replace it with a new power line fuse in the fuse holder assembly 4 Re insert the fuse holder assembly into the rear panel ...

Page 248: ...front panel The fuse is a 3 15 A 500 V F B 6 3 32 mm fuse Keysight part number A02 62 25657 1U If you are certain that the fuse is faulty replace it with one of the same size and rating 1 Disconnect all input terminal connections Place a flat blade screwdriver on the fuse holder assembly as shown below and push in 2 Turn the screwdriver anti clockwise to remove the fuse holder assembly from the fr...

Page 249: ...ervice Guide 227 3 Remove the faulty current input fuse and replace a new current input fuse into the fuse holder assembly 4 Re insert the fuse holder assembly into the front panel Turn the screwdriver clockwise to fasten the fuse holder assembly in place ...

Page 250: ...0 V The following guidelines will help prevent ESD damage when servicing the instrument or any electronic device Disassemble instruments only in a static free work area Use a conductive work area to reduce static charges Use a conductive wrist strap to reduce static charge accumulation Minimize handling Keep replacement parts in original static free packaging Remove all plastic foam vinyl paper an...

Page 251: ... off the power Remove all cables from the instrument 2 Remove the carry handle Rotate the handle upright and pull out from the sides of the instrument WARNING SHOCK HAZARD Only service trained personnel who are aware of the hazards involved should remove the instrument covers To avoid electrical shock and personal injury make sure to disconnect the power cord from the instrument before removing th...

Page 252: ...isassembly 230 U3606A User s and Service Guide 3 Remove the instrument bumpers Pull from a corner and stretch the bumpers off the instrument 4 Remove the rear bezel Loosen the two captive screws in the rear bezel and remove the rear bezel ...

Page 253: ...Disassembly and Repair 7 Mechanical Disassembly U3606A User s and Service Guide 231 5 Remove the cover Remove the screws in the bottom of the cover 6 Slide the cover off the instrument ...

Page 254: ...l 7 Remove the push rod and disconnect the display cable a Turn the instrument over and gently move the power switch push rod towards the front of the instrument to disengage it from the switch Be careful not to twist or bend the push rod b Disconnect the two ribbon cable connectors from the front panel ...

Page 255: ...de 233 c Disconnect the individual wires from the top layer circuit board as shown below 8 Remove the top layer circuit board Loosen the four captive screws in the top layer circuit board and remove the top layer circuit board Remove the protective metal sheet as well 1 2 3 4 5 ...

Page 256: ...y and Repair Mechanical Disassembly 234 U3606A User s and Service Guide 9 Disconnect the individual wires from the bottom layer circuit board as shown below 10 Remove the two screws holding the front panel 1 2 3 4 ...

Page 257: ...nical Disassembly U3606A User s and Service Guide 235 11 You can now pry the side of the front panel from the chassis and remove it Front panel disassembly 12 Loosen the two captive screws and remove the keypad and display assembly ...

Page 258: ...6 U3606A User s and Service Guide 13 Remove the keypad and display assembly The rubber keypad and VFD display assembly can now be pulled out from the plastic housing 14 To reassemble all the modules again just follow the disassembly procedure backwards ...

Page 259: ...s includes a brief description of each part with applicable Keysight part number Table 7 1 List of replaceable parts Part number Description A02 1 25373 1 Cover A02 15 25200 1 Rear bezel A02 15 25453 1 Push knob A02 62 25026 2U Fuse 2 A 250 V S B 5 20 mm A02 62 25600 2U Front panel fuse holder A02 62 25657 1U Fuse 3 15 A 500 V F B 6 3 32 mm U3401 40001 Rubber bumper kit front and rear U3606 00200 ...

Page 260: ...sight part number Note that not all parts listed in this chapter are available as field replaceable parts To order replaceable parts from Keysight do the following 1 Contact your nearest Keysight Sales Office or Service Center 2 Identify the parts by the Keysight part number shown in the replaceable parts list 3 Provide the instrument model number and serial number ...

Page 261: ...Worldwide To obtain service for your instrument in warranty under service contract or post warranty contact your nearest Keysight Technologies Service Center They will arrange to have your unit repaired or replaced and can provide warranty or repair cost information where applicable To obtain warranty service or technical support information you can contact Keysight Technologies at one of the foll...

Page 262: ...l number and full serial number Place the unit in its original container with appropriate packaging material for shipping Secure the container with strong tape or metal bands If the original shipping container is not available place your unit in a container which will ensure at least 4 inches of compressible packaging material around all sides for the instrument Use static free packaging materials...

Page 263: ...C specifications 247 Frequency specifications 248 Duty cycle and pulse width specifications 249 Operating specifications 250 Supplementary characteristics 251 DC Power Supply Specifications 255 Safety considerations 255 Specifications assumptions 255 Performance specifications 256 Supplementary characteristics 257 This chapter specifies the characteristics environmental conditions and specificatio...

Page 264: ...isplay VFD OPERATING ENVIRONMENT Operating temperature from 0 C to 55 C Relative humidity up to 80 at 30 C RH non condensing Altitude up to 2000 meters Pollution degree 2 For indoor use only STORAGE COMPLIANCE 40 C to 70 C SAFETY COMPLIANCE Certified with IEC 61010 1 2001 EN61010 1 2001 2nd Edition Canada CAN CSA C22 2 No 61010 1 04 USA ANSI UL 61010 1 2004 EMC COMPLIANCE Certified with IEC 61326 ...

Page 265: ...ges DIMENSIONS W H D 255 105 329 mm with rubber bumpers 215 87 312 mm without rubber bumpers WEIGHT 3 774 kg with rubber bumpers 3 535 kg without rubber bumpers WARRANTY Please refer to http www keysight com go warranty_terms 3 years for the product 3 months for the standard accessories unless otherwise specified Please note that for the product the warranty does not cover Damage from contaminatio...

Page 266: ...28 C to 55 C Relative humidity RH up to 80 at 30 C proportional to 50 for 30 C to 55 C DC specifications Table 8 1 DC accuracy specifications of reading of range Function Range 1 Test current or burden voltage 24 Hours 2 23 ºC 1 ºC 90 Days 23 ºC 5 ºC 1 Year 23 ºC 5 ºC Temperature coefficient 0 ºC to 18 ºC 28 ºC to 55 ºC DC voltage 19 9999 mV 0 012 0 04 0 015 0 04 0 025 0 04 0 0015 0 0005 100 000 m...

Page 267: ...0 05 0 005 0 0050 0 0005 100 000 kΩ 10 µA 0 04 0 005 0 04 0 005 0 05 0 005 0 0050 0 0005 1 00000 MΩ 900 nA 0 05 0 005 0 05 0 005 0 06 0 005 0 0050 0 0005 10 0000 MΩ 205 nA 0 20 0 005 0 20 0 005 0 25 0 005 0 0150 0 0005 100 000 MΩ 205 nA 10 MΩ 1 60 0 005 1 60 0 005 2 00 0 005 0 1500 0 0005 Low resistance 5 100 mΩ 1 0000 A 0 25 0 05 1000 mΩ 0 1000 A 0 25 0 03 10 Ω 0 1000 A 0 25 0 03 Continuity 1 000...

Page 268: ... the noise interference which might be induced due to the test leads a shielded test cable is recommended for measuring resistance above 100 kΩ 5 Specifications stated are for 4 wire low resistance measurements The test current is sent from the FORCE terminals and the resistance is measured by the SENSE terminals 6 Specifications stated are for the voltage measured at the input terminals only The ...

Page 269: ...11 2 00 0 2 2 00 0 2 2 00 0 2 0 02 0 02 1 20 over range on all ranges except for 750 Vac range 2 Relative to calibration standards 3 Specifications stated are for input signals greater than 5 of range 4 Available ranges 100 000 mV 1 00000 V 10 0000 V 100 000 V 750 00 V 5 For 750 V range accuracy is specified for input less than 200 Vrms 6 For 100 mV range the 10 kHz to 30 kHz accuracy is 1 5 0 3 7...

Page 270: ...003 0 005 Current path 10 mA to 3 A 2 Hz 0 18 0 003 0 005 20 Hz 0 04 0 003 0 005 20 Hz to 10 kHz 0 02 0 003 0 005 1 For 100 mV and 1 V ranges the measurable frequency is up to 1 MHz at 0 5 V signal Minimum input frequency is 1 Hz NOTE All frequency counters are susceptible to errors when measuring low voltage low frequency signals Shielding inputs from external noise pickup is critical for minimiz...

Page 271: ...current measurement Input range Minimum sensitivity rms sine wave 20 Hz to 10 kHz 10 mA 1 mA 100 mA 10 mA 1 000 A 100 mA 3 A 300 mA Table 8 6 Duty cycle and pulse width resolution and accuracy Function Range Resolution Accuracy of full scale Duty cycle 100 000 1 0 001 0 3 0 2 per kHz Pulse width 199 999 ms 2 0 001 ms Duty cycle Frequency 1999 99 ms 2 0 01 ms Duty cycle Frequency 1 The range is cal...

Page 272: ...ltage 10 V at 1 kHz Slow 5 digit 15 17 17 Fast 4 digit 70 31 32 AC current 1A at 1 kHz Slow 5 digit 15 16 17 Fast 4 digit 70 37 37 Resistance 100 kΩ Slow 5 digit 15 17 17 Fast 4 digit 70 27 31 Capacitance 10 μF Slow Fast 3 digit 5 4 4 4 6 Frequency voltage path at 10 V 1 kHz Slow 5 digit 9 2 7 2 7 Fast 4 digit 9 2 7 2 7 Frequency current path at 1 A 1 kHz Slow 5 digit 9 2 7 2 7 Fast 4 digit 9 2 7 ...

Page 273: ...hunt resistance 0 2 V 10 Ω for 10 mA range 0 2 V 1 Ω for 100 mA range 0 3 V 0 1 Ω for 1 A range 0 7 V 0 01 Ω for 3 A range Input protection Protected with a 3 15 A 500 V FF fuse Response time Approximately 0 15 s when the displayed reading reaches 99 9 DC value of the tested input signal at the same range AC voltage Measurement method AC coupled true rms Maximum input voltage 750 Vrms 1200 Vpeak 3...

Page 274: ...sponse time Approximately 2 5 s when the displayed reading reaches 99 9 AC rms value of the tested input signal at the same range 1 Any current measurement greater than 500 mA will have a temporary thermo effect If you wish to measure a smaller current or offset current measurement immediately after a high current measurement ensure that the U3606A is cooled down Resistance Measurement method Two ...

Page 275: ...ion where 0 3 V reading 0 8 V Input protection 1000 Vrms on all ranges 0 3 A short circuit Capacitance Measurement method Computed from constant current source charge time typical 0 2 V to 1 4 Vac signal level Maximum voltage at full scale For 1 nF to 10 μF range 1 5 V For 100 μF to 10000 μF 0 33 V Input protection 1000 Vrms on all ranges 0 3 A short circuit Response time Approximately 1 s for 100...

Page 276: ...cations 254 U3606A User s and Service Guide Measurement noise Rejection CMRR common mode rejection ratio for 1 kΩ unbalanced in LO lead DC 140 dB AC 70 dB NMRR Normal Mode Rejection Ratio 60 Hz 0 1 5 digits 65 dB 4 digits 0 dB 50 Hz 0 1 5 digits 55 dB 4 digits 0 dB ...

Page 277: ...are listed in the following pages Specifications are warranted in the temperature range of 0 C to 55 C with a fix resistive load Supplemental characteristics which are not warranted but are descriptions of performance are determined either by design or testing Specifications assumptions Specifications stated are after 60 minutes of warm up with no load Operating temperature at 18 C to 28 C 64 4 F ...

Page 278: ...ear over GPIB and USB or front panel with respect to actual output 23 ºC 5 ºC of output offset Voltage 0 05 5 mV Current 0 15 3mA Ripple and noise With outputs ungrounded or with either output terminal grounded 20 Hz to 1 MHz Normal mode voltage 2 mVrms 30 mVpp Normal mode current 1 mArms Front terminal load regulation of output offset Voltage 3 mV 1 Current 0 03 0 3 mA Rear terminal load regulati...

Page 279: ...ltage protection for CC mode Accuracy 0 5 0 5 V Activation time 2 2ms Overcurrent protection for CV mode Accuracy 0 5 0 05 A Activation time 2 2 ms 1 Contacts and leads resistance may contribute an additional error of 6 mV A typical 2 Average time for the detection of OVP or OCP condition Table 8 8 DC power supply performance specifications continued Parameter Specifications Maximum output program...

Page 280: ...ms Table 8 9 Square wave output specifications Parameter Specifications Amplitude accuracy offset Range S1 0 2 V Range S2 0 2 V Amplitude resolution Range S1 1 mV Range S2 1 mV Frequency accuracy of frequency setting offset Range 27 steps 1 0 005 1 count Frequency resolution 0 01 Hz Duty cycle accuracy of duty cycle setting Range 256 steps 0 39 to 99 60 0 4 2 3 Duty cycle resolution 0 39 3 Pulse w...

Page 281: ... than 100 Hz an additional 0 1 per 100 Hz is added The accuracy of the pulse width should be calculated as Calculation example Frequency setting 4800 Hz Duty cycle setting 50 The pulse width accuracy for frequency setting 4800 Hz and duty cycle setting 50 is calculated as 0 2083 ms 10 625 μs Accuracy 0 4 frequency 100 1 0 1 Specification of duty cycle Accuracy Duty cycle setting Specification of d...

Page 282: ...lt 0 V to 31 500 V 0 V to 8 4000 V 0 A to 1 0500 A 0 A to 3 1500 A Step 1 step to 100 steps 1 step to 100 steps Dwelling time 1 s to 99 s 1 s to 99 s Table 8 11 Ramp output specifications Ramp Constant voltage Constant current Range S1 S2 S1 S2 Amplitude 1 1 Amplitude start position is fixed at 0 V or A by default 0 V to 31 500 V 0 V to 8 4000 V 0 A to 1 0500 A 0 A to 3 1500 A Step 1 step to 10000...

Page 283: ...Guide 9 List of Error Messages Error Messages 262 Command errors 263 Execution errors 264 Internal errors 265 Query errors 265 Device specific errors 265 Self test errors 266 Calibration errors 267 The U3606A error messages are summarized in this chapter ...

Page 284: ... the interface specific errors the errors in the global error queue will be retrieved If more than 20 errors have occurred the last error stored in the queue the most recent error is replaced with error number 350 Queue overflow No additional errors are stored until you remove the previously stored errors from the queue If no errors have occurred when you read the error queue the instrument respon...

Page 285: ...r 100 Command error 101 Invalid character 102 Syntax error 103 Invalid separator 104 Data type error 108 Parameter not allowed 109 Missing parameter 112 Program mnemonic too long 113 Undefined header 120 Numeric data error 121 Invalid character in number 123 Exponent too large 128 Numeric data not allowed 130 Suffix error 131 Invalid suffix 134 Suffix too long 138 Suffix not allowed 141 Invalid ch...

Page 286: ...ter bit 4 150 String data error 151 Invalid string data 158 String data not allowed Table 9 1 List of command errors continued Error code Error message Table 9 2 List of execution errors Error code Error message 200 Execution error 211 Trigger ignored 213 Init ignored 214 Trigger deadlock 220 Parameter error 221 Settings conflict 222 Data out of range 223 Too much data 230 Data corrupt or stale ...

Page 287: ...fic errors The following table shows the list of device specific errors These errors set the Standard Event Status register bit 3 Table 9 3 List of internal errors Error code Error message 350 Queue overflow Table 9 4 List of query errors Error code Error message 410 Queue INTERRUPTED 420 Query UNTERMINATED Table 9 5 List of device specific errors Error code Error message 510 Voltage output over p...

Page 288: ...of device specific errors continued Error code Error message Table 9 6 List of self test errors Error code Error message 630 EEPROM read failure 631 Program ROM Checksum failed 632 Program RAM failed 633 Display board failed 634 ADC failed 635 Interface board failed 636 Source board failed 637 I O Processor Failed Self Test 638 Source Processor Failed Self Test 639 DC Path error 640 AC Path attenu...

Page 289: ... amplified 11 error Table 9 6 List of self test errors continued Error code Error message Table 9 7 List of calibration errors Error code Error message 701 Cal security pads short 702 Cal secured 703 Invalid secure code 704 Secure code too long 705 Cal aborted 706 Cal value out of range 707 Cal signal measurement out of range 708 Cal signal frequency out of range 709 No cal for this function or ra...

Page 290: ... failed DCI corrections 744 Cal checksum failed RES corrections 745 Cal checksum failed ACV corrections 746 Cal checksum failed ACI corrections 747 Cal checksum failed FREQ correction 748 Cal checksum failed CAP corrections 750 Source board failed on reading 751 Source board failed on sense Table 9 7 List of calibration errors continued Error code Error message ...

Page 291: ...List of Error Messages 9 Error Messages U3606A User s and Service Guide 269 ...

Page 292: ...urope tel 31 20 547 2111 Japan tel 81 426 56 7832 fax 81 426 56 7840 Korea tel 080 769 0800 fax 080 769 0900 Latin America tel 305 269 7500 Taiwan tel 0800 047 866 fax 0800 286 331 Other Asia Pacific Countries tel 65 6375 8100 fax 65 6755 0042 Or visit Keysight World Wide Web at www keysight com find assist Product specifications and descriptions in this document are subject to change without noti...

Page 293: ...This information is subject to change without notice Keysight Technologies 2009 2017 Edition 11 November 2017 U3606 90013 U3606 90013 www keysight com ...

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