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Programming

190

Keysight 53147A/148A/149A Operating and Programming Guide

Operation Status Register

:STAT:OPER:PTR 0; NTR 16

Detect transition from measuring to

non-measuring.

:STAT:OPER:ENABLE 16

Enable to detect measuring.

*SRE 128

Assert SRQ on Operation Summary bit.

Содержание 53147A

Страница 1: ...Keysight 53147A 148A 149A Microwave Frequency Counter Power Meter DVM Operating and Programming Guide ...

Страница 2: ...ess of these rights customarily provided to the public to use modify reproduce release per form display or disclose commercial computer software or commercial com puter software documentation No additional government requirements beyond those set forth in the EULA shall apply except to the extent that those terms rights or licenses are explicitly required from all providers of commercial computer ...

Страница 3: ...reau of Standards to the extent allowed by the Institute s calibration facility and to the calibration facilities of other International Standards Organization members Warranty Keysight warrants Keysight hardware accessories and supplies against defects in materials and workmanship for a period of one year from date of shipment If Keysight receives notice of such defects during the warranty period...

Страница 4: ...TENT ALLOWED BY LOCAL LAW THE ABOVE WARRANTIES ARE EXCLUSIVE AND NO OTHER WARRANTY OR CONDITION WHETHER WRITTEN OR ORAL IS EXPRESSED OR IMPLIED AND Keysight SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR PURPOSE Keysight will be liable for damage to tangible property per incident up to the greater of 300 000 or the a...

Страница 5: ...ion indicate precautions which must be taken to maintain safe operation of the instrument Direct current DC Alternating current AC Caution risk of danger refer to this manual for specific Warning or Caution information Caution risk of electric shock Earth ground terminal Frame or chassis ground terminal Alternating current AC Direct current DC ...

Страница 6: ...rcuitry WARNING WHEN MEASURING POWER LINE SIGNALS BE EXTREMELY CAREFUL AND ALWAYS USE A STEP DOWN ISOLATION TRANSFORMER WHICH OUTPUT IS COMPATIBLE WITH THE INPUT MEASUREMENT CAPABILITIES OF THIS PRODUCT THIS PRODUCT S FRONT AND REAR PANELS ARE TYPICALLY AT EARTH GROUND THUS NEVER TRY TO MEASURE AC POWER LINE SIGNALS WITHOUT AN ISOLATION TRANSFORMER WARNING INSTRUCTIONS FOR ADJUSTMENTS WHILE COVERS...

Страница 7: ...ng unless qualified to do so For continued protection against fire replace the line fuse s with fuses of the same current rating and type for example normal blow time delay Do not use repaired fuses or short circuited fuseholders Acoustic Noise Emissions LpA 47 dB at operator position at normal operation tested per EN 27779 All data are the results from type test Geräuschemission LpA 47 dB am Arbe...

Страница 8: ...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 Service Center or visit http about keysight com en companyinfo environment takeback shtml for more information Sales and Technical Support To contact Keysight for sales and technical support refer to t...

Страница 9: ...Electronic Equipment WEEE Directive 8 Product category 8 Sales and Technical Support 8 List of Figures 17 List of Tables 19 In This Guide Contents and Organization 22 Related Documents 23 Types of Service Available if Instrument Fails 24 Standard Repair Services Worldwide 24 Express Repair Performance Calibration Service USA Only 24 Repair Instrument Yourself 24 Repackaging for Shipment 25 Descrip...

Страница 10: ...nce 38 The Rear Panel at a Glance 39 Operating the Instrument 40 2 Operating Your Instrument Introduction 68 Chapter Summary 68 How this Instrument Works for You 69 Summary of the Measurement Sequence 70 Using the Selection Keys 71 Sequencing Through the Menu 71 Numeric Entry 72 Changing States 73 Using the Clear and Reset Local Keys 75 Acknowledging Messages 75 Other Function Selection Keys 76 Me...

Страница 11: ...ative Power Example 109 Offsetting a Power Measurement 110 Power Offset Example 110 Measuring Voltage 112 Voltage Measurement Example 112 Using the Menu 113 3 Programming Introduction 125 Chapter Summary 126 How to Use This Chapter 128 New Users 128 Experienced Programmers 129 Applications 130 Assumptions 131 Related Documentation 132 Front Panel to SCPI Command Map 134 Command Summary 139 SCPI Co...

Страница 12: ...stem Command Syntax 160 Common Command Syntax 161 Abbreviated Commands 161 Keyword Separator 161 Optional Keyword 162 Parameter Types 162 Parameter Separator 164 Query Parameters 164 Suffixes 165 Command Terminator 166 Using Multiple Commands 167 Program Messages 167 Program Message Syntax 167 Overview of Response Message Formats 169 Response Messages 169 Response Message Syntax 169 Response Messa...

Страница 13: ...195 Commands for Displaying Relative Results 195 Commands for Enabling and Disabling the Display 195 Programming the Instrument to Synchronize Measurements 196 Synchronizing Measurement Completion 196 Resetting the Instrument and Clearing the Interface 196 Using the WAI Command 197 Using the OPC Command 198 Using the OPC Command to Assert SRQ 198 Writing SCPI Programs 200 Programming Examples 202 ...

Страница 14: ...242 STATus QUEStionable Subtree 246 SYSTem Subsystem 249 SYSTem COMMunicate Subtree 249 TRIGger Subsystem 252 UNIT Subsystem 253 Common Commands 254 CLS Clear Status Command 254 DDT arbitrary block Define Device Trigger Command DDT Define Device Trigger Query 255 ESE Standard Event Status Enable Command ESE Standard Event Status Enable Query 255 ESR Event Status Register Query 256 IDN Identificati...

Страница 15: ... Error Types 269 No Error 269 Command Error 269 Execution Error 270 Device Specific or Instrument Specific Error 270 Query Error 271 Error List 271 4 Specifications A Rack Mounting the Instrument Rack Mounting the Instrument 280 B Messages Overview 286 Status Messages 287 Self Test Messages 288 Error Messages 289 C Using the Battery Option Overview 292 Operating the Instrument from the Batteries 2...

Страница 16: ...16 Keysight 53147A 148A 149A Operating and Programming Guide Installing Batteries 296 Charging the Batteries 298 Precautions 299 Index 301 ...

Страница 17: ...9 Simplified Common Command Syntax Diagram 161 Figure 3 10 Simplified Program Message Syntax Diagram 167 Figure 3 11 Simplified Response Message Syntax Diagram 170 Figure 3 12 53147A 148A 149A SCPI Status Reporting Summary Functional Diagram 175 Figure 3 13 Status Byte and Service Request Enable 176 Figure 3 14 Standard Event Status Reporting 179 Figure 3 15 Operation and Questionable Data Status ...

Страница 18: ...18 Keysight 53147A 148A 149A Operating and Programming Guide Figure C 1 Battery Charge Level Indicator 292 Figure C 2 External DC Power Connector 294 Figure C 3 Removing and Installing Batteries 296 ...

Страница 19: ...T State 149 Table 3 4 Unaffected by RST 150 Table 3 5 Command and Query Parameter Types 163 Table 3 6 Suffix Multipliers 165 Table 3 7 Response Message Data Types 170 Table 3 8 Status Byte Register 177 Table 3 9 Standard Event Status Register 179 Table 3 10 Transition Filter Definition 183 Table 3 11 Operation Status Register 185 Table 3 12 Questionable Data Status Register 187 Table 3 13 Summary ...

Страница 20: ...20 Keysight 53147A 148A 149A Operating and Programming Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 21: ... this preface a quick reference guide four chapters three appendices and an index This preface contains the following information Contents and Organization pg 22 Related Documents pg 23 Types of Service Available if Instrument Fails pg 24 Repackaging for Shipment pg 25 Description of the Microwave Frequency Counter Power Meter DVM pg 26 Options pg 27 Accessories Supplied and Available pg 28 Manual...

Страница 22: ...tor s reference You are given an overview of each group of front panel keys operating functions and menus followed by a series of exercises that guide you through the operation of the instrument Chapter 3 Programming provides information that you can use to remotely operate the instrument Chapter 4 Specifications lists the specifications and characteristics of the instrument Appendix A Rack Mounti...

Страница 23: ...he following Series 200 Application Notes Fundamentals of Electronic Frequency Counters Application Note 200 Keysight part number 02 5952 7506 Understanding Frequency Counter Specifications Application Note 200 4 Keysight part number 02 5952 7522 Fundamentals of Time and Frequency Standards Application Note 52 1 Keysight part number 02 5952 7870 ...

Страница 24: ...itical Owner repair repair the unit yourself using the Assembly Level Service Guide Standard Repair Services Worldwide Contact your nearest Keysight Service Center to arrange to have your instrument repaired Express Repair Performance Calibration Service USA Only If downtime is critical you can receive your repaired instrument via overnight shipment Just call 1 800 403 0801 and ask for Express Rep...

Страница 25: ... be sure you do the following Attach a tag to the instrument identifying the owner and indicating the required service or repair Include the instrument model number and full serial number Place the instrument in its original container if available with appropriate packaging material Secure the container with strong tape or shipping bands If the original shipping container is not available place yo...

Страница 26: ...sight 53147A 148A 149A includes Frequency Relative Frequency Frequency Offset Power Power Offset Relative Power and DC voltages All of these features are accessible from the front panel and over the GPIB and RS 232 interfaces The Keysight 53147A 148A 149A includes the following additional measurement functions and features that are designed specifically for manufacturing and service applications 1...

Страница 27: ...are installed at the factory and are ready for operation on delivery Refer to the Retrofitting Options chapter in the Keysight 53147A 148A 149A Assembly Level Service Guide for information on installing options in the field Hardware High Stability Oven Timebase Option 001 Battery DC Power Input Option 002 Rack Mount Kit Option 1CM Soft Carrying Case Option 007 Retrofit Options 001 and 002 can be i...

Страница 28: ...Keysight 34132B Accessories Available Soft Carrying Case Keysight P N 53147 80016 Automotive Power Adapter Keysight P N 53150 60214 Battery Keysight P N 53150 80010 GPIB Cables Keysight 10833A B C D RS 232 Cable Keysight P N 53150 60215 Power Sensors Keysight 8480 series Manuals Supplied Keysight 53147A 148A 149A Operating and Programming Guide Keysight P N 53147 90009 Keysight 53147A 148A 149A As...

Страница 29: ... is designed for experienced users of the Keysight 53147A 53148A and 53149A It is intended to be used as a tool to trigger your memory If you are using the instrument for the first time it is recommended that you at least read Chapter 1 Getting Started first The Quick Reference Guide which follows this page consists of a menu tree that may be torn out of the guide for external use ...

Страница 30: ...HEAD 8481D HEAD OFF SAVE 0 to 9 PRESET PWR REF ON PWR REF OFF BAUD 4800 BAUD 2400 BAUD 1200 BAUD 19200 BAUD 14400 BAUD 9600 HEAD 8481A GPIB ADDR 0 to 30 CUSTOM HEAD 1 CUSTOM HEAD 2 CUSTOM HEAD 3 99 99 00 00 AVERAGES 01 AVERAGES 99 RATE FAST RATE MED RATE SLOW RATE HOLD GHz MHz kHz Hz Rate RESOL 1 HZ RESOL 10 KHZ RESOL 100 KHZ RESOL 1 MHZ GHz MHz kHz Hz Offset Resol Freq GHz MHz kHz Hz Resol Offset...

Страница 31: ...gramming Guide 31 1 Getting Started The Front Panel at a Glance 32 The Front Panel Indicators at a Glance 33 The Front Panel Menus at a Glance 35 The Display Annunciators at a Glance 36 The Display Special Characters at a Glance 38 The Rear Panel at a Glance 39 Operating the Instrument 40 ...

Страница 32: ...m 1MΩ COUNTER CHANNEL 2 50MHz to 20 GHz 50Ω DAMAGE 27 dBm 6 7 8 12 9 10 11 Gate 29 13 14 15 17 4 16 19 5 18 20 2 nW Pwr Ref 1 Power Standby switch 2 Average Power Offset key 3 LCD display 4 Selection keys active indicator 5 Display Power dBm W key 6 Instrument function indicators Counter Power Meter DVM 7 Power Reference Output connector 8 Channel 1 input connector 9 Channel 2 input connector 10 P...

Страница 33: ...wer Meter and the DVM are disabled only the Counter LED is lit If both frequency and power measurements are displayed the Counter and the Power Meter are enabled the Counter and Power Meter LEDs are lit If a voltage reading and a power reading are displayed the DVM and the Power Meter are enabled the Power Meter and DVM LEDs are lit If only a voltage reading is displayed the DVM is the only functi...

Страница 34: ...149A Operating and Programming Guide NOTE It is normal for the fan to run when the instrument is in Standby mode Power is supplied to the timebase whenever the instrument is connected to a power source and the fan runs to cool the power supply ...

Страница 35: ... RECALL 0 to 9 CH1 LPF ON CH1 LPF OFF FM AUTO FM OFF REF OSC EXT REF OSC INT HEAD 8487A HEAD 8485A HEAD 8482A HEAD OFF SAVE 0 to 9 PRESET PWR REF ON PWR REF OFF BAUD 4800 BAUD 2400 BAUD 1200 BAUD 19200 BAUD 14400 BAUD 9600 HEAD 8481D HEAD 8481A GPIB ADDR 0 to 30 RATE FAST RATE MED RATE SLOW RATE HOLD Rate Resol RESOL 1 HZ RESOL 10 KHZ RESOL 100 KHZ RESOL 1 MHZ Freq Offset CUSTOM HEAD 1 CUSTOM HEAD...

Страница 36: ...n averaged Pwr The instrument is set to measure Power Power Meter is on Rel Pwr The displayed power measurement is relative to a previously stored power value Pwr Offset The displayed power value is offset by a previously entered power value dB dBm Watts mW mW nW Indicates the unit of measurement for the currently displayed power value Provides a real time analog representation of the Power measur...

Страница 37: ...ht 53147A 148A 149A Operating and Programming Guide 37 Pwr Ref Indicates that the 1 mW power reference output is turned on Shows the amount of charge in the batteries if the Battery option is installed Annunciator Description ...

Страница 38: ...on arrow keys NOTE The special characters shown above are intended to help you navigate within the Menu When the right pointer is flashing it indicates the current setting for the selected Menu option When the left pointer is flashing it indicates that you can use the selection arrow keys to change the setting for the current Menu option To switch between the two press the right arrow key when the...

Страница 39: ...erviceable parts inside Refer all servicing to qualified personnel RS 232 GPIB Counter Power Meter DVM This unit must be earth grounded Made in U S A of domestic and foreign content BATTERY PACK Made in U S A of domestic and foreign content Battery Battery Charging EXTDC 11 to 18VDC 2 1 3 4 5 6 7 8 2 1 3 4 9 6 12 7 8 10 11 Standard With Battery Option 1 AC Input Power module Senses incoming voltag...

Страница 40: ...measurements or to adjust any of the instrument s settings The following procedures are provided Turning the Instrument On Turning the Display Backlight Off or On Selecting an Input Channel Using the Menu Setting the Serial Port Baud Rate Measuring Frequency Measuring Relative Frequency Offsetting a Frequency Measurement Setting the Power Head Model Number Measuring Power Measuring Relative Power ...

Страница 41: ... The following legend defines the meanings of the icons used throughout this chapter 1 Press key one time and release 2 Multiple key presses 3 Result 4 Auto operation 5 Connect signal 6 Disconnect signal 7 Indicator off 8 Indicator on 9 Indicator flashing 4 3 5 6 7 9 8 1 2 Legend ...

Страница 42: ...d Programming Guide Turning the Instrument On To turn on the instrument press and release the POWER button on the front panel Ch 12 Rel Freq Offset Avg On Rel Pwr Offset dB dBm Watts mW uW Ext Ref Error Shift Hold Rate Rmt SRQ Ch 2 Freq POWER Standby nW Pwr Ref ...

Страница 43: ...momentarily As soon as the Counter acquires the input signal it displays the signal s value NOTE The internal Reference Oscillator requires 15 minutes to reach a stable operating temperature Since the Reference Oscillator receives power only when the instrument is on or in Standby mode no measurements should be taken unless the instrument has been receiving power for at least that amount of time S...

Страница 44: ...ging Settings Use the Selection arrow keys to navigate to the setting you want to change and then to actually make the changes For example the diagram on the next page shows how to change the setting of the Reference Oscillator from INTernal to EXTernal In this example a reference signal is applied to the External Reference connector but no signal is applied to the Channel 2 input Ch 2 Freq Shift ...

Страница 45: ...ndicate that the arrow keys are now active Since the Reference Oscillator setting is the first one displayed when you invoke the Menu unless you ve used the Menu to change another setting since you turned the instrument on you don t have to use the up arrow key or the down arrow key to get to it Ch 2 Freq Shift Shift Menu Reset Local Enter Ch 2 Ext Ref ...

Страница 46: ...emaining settings available in the Menu in the manner described above The Menu also contains some items that provide information only no settings are required or possible for these such as Battery Voltage Operation Hours and information that identifies the instrument Keysight model number firmware version number serial number and installed option codes These menu options and the ones described bel...

Страница 47: ...Getting Started 1 Keysight 53147A 148A 149A Operating and Programming Guide 47 Setting the Serial Port Baud Rate Menu Example Menu Reset Local Enter Ch 2 Freq Shift Shift Ch 2 Freq ...

Страница 48: ...48 Keysight 53147A 148A 149A Operating and Programming Guide Selecting the Counter Input Channel You can toggle between Counter Channels 1 and 2 by pressing the Chan Select key Chan Select Ch 1 Freq Ch 2 Freq Chan Select ...

Страница 49: ...e same procedure applies to making a basic frequency measurement on Channel 2 However since Channel 2 is automatically selected when you turn on the instrument the channel selection step is unnecessary unless you previously selected Channel 1 Ch 2 Freq Ch 1 Freq Chan Select Ch 1 Freq COUNTER DAMAGE 30 dBm 10 Hz to 125 MHz Ch 2 Freq CHANNEL 1 1M CAUTION The Channel 2 input path circuits contain sen...

Страница 50: ...ounter cannot display measurements simultaneously Pressing the Display DVM key toggles the upper portion of the display between the DVM and the Counter CAUTION The 2 9 mm Planar Crown a connector used for the Channel 2 input on the Keysight 53149A must be handled with care to prevent damage and or contamination especially since it acts as a wave guide as well as an electrical connection Observe th...

Страница 51: ...annel 1 The Counter stores the current frequency reading when you press the Rel Freq key It then subtracts this value from all subsequent readings and displays the difference until you press the Rel Freq key again Ch 1 Freq Shift Ch 1 Freq Shift Rel Freq Ch 1 Rel Freq NOTE If the input signal fluctuates the value displayed varies as the Counter continues to take measurements You can vary the speed...

Страница 52: ...d to set the value and sign of the offset and to turn the Frequency Offset function on In the diagram on the next page the Frequency Offset function is enabled first and the offset value is then entered However the order doesn t matter so you can also enter the offset value first and then turn the offset function on NOTE The Frequency Offset and Relative Frequency functions can be used simultaneou...

Страница 53: ...d 1 Keysight 53147A 148A 149A Operating and Programming Guide 53 Ch 2 Freq Offset On Off Freq Ch 2 Offset Resol Freq Offset Rate Freq Offset Freq Offset Enter Freq Offset Ch 2 Shift Ch 2 Shift Freq Offset Freq Offset ...

Страница 54: ...ly set to use a model 8481A power sensor and that you intend to use a model 8482A power sensor NOTE When you select a power head sensor you are implementing a preconfigured calibration table for that head There are five preconfigured tables for head models 8481A 8481D 8482A 8485A and 8487A and three custom calibration tables CUST 1 CUST 2 and CUST 3 You can modify the frequency calibration factor ...

Страница 55: ...Getting Started 1 Keysight 53147A 148A 149A Operating and Programming Guide 55 Menu Reset Local Enter Ch 2 Freq Shift Shift Ch 2 Freq ...

Страница 56: ...wing diagram assumes that the power sensor head being used has been selected in the instrument s menu and that the signal to be measured is connected to the head NOTE When the power of a signal applied to the Power Meter Input connector exceeds the maximum rated power for the Power Meter head the Power Meter displays HI Ch 2 Freq Display Power Ch 2 Freq Pwr dBm ...

Страница 57: ...r power this procedure assumes that a signal is currently applied to the power meter and that power is being displayed Display Power dBm W Shift Ch 2 Freq Pwr mW Shift Ch 2 Freq Pwr dBm Ch 2 Freq Pwr dBm NOTE If a signal having an amplitude that exceeds the Power Meter specifications is applied and power measurement is enabled the annunciators for the power reading display HI to indicate that the ...

Страница 58: ...ft and Rel Pwr Offset On Off keys as shown in the diagram below this example assumes that a signal is currently applied to the Power Meter input connector The Power Meter stores the current power reading when you press the Rel Pwr key It then subtracts this value from all subsequent readings and displays the difference until you press the Rel Pwr key again Ch 2 Freq Pwr dBm Shift Shift Ch 2 Freq P...

Страница 59: ...error or to display the difference in power between two signals To display an offset power measurement you need to set the value and sign of the offset and to turn the Power Offset function on In the following diagram the Power Offset function is enabled first and the offset value is then entered However the order doesn t matter so you can also enter the offset value first and then turn the offset...

Страница 60: ...147A 148A 149A Operating and Programming Guide Offset On Off Shift Rel Pwr Avg Pwr Offset Pwr Offset dB dB Pwr Offset Enter Pwr Offset dB Ch 2 Freq Pwr Offset dB Ch 2 Freq Pwr dBm Ch 2 Freq Pwr Offset dB Shift Ch 2 Freq Pwr Offset dB ...

Страница 61: ...nt Rate The measurement rate determines how frequently the instrument takes measurements frequency power and or voltage You can set the measurement rate to FAST MED medium SLOW or HOLD single measurement taken each time you press the Reset Local key Ch 2 Freq Enter Ch 2 Freq Hold Rate Shift Ch 2 Freq ...

Страница 62: ...ents the instrument takes and averages before displaying the result The default setting is one no averages are performed and the maximum setting is 99 Note that the tens position 10 through 90 and the units position 0 through 9 are adjusted separately and that you cannot set the number of averages to zero Ch 1 Freq Avg Enter Ch 1 Freq Avg On Enter Ch 1 Freq Avg On Pwr Offset ...

Страница 63: ...ou press the up arrow key the value changes to one However when you adjust the value in the units position for the number of measurements to be averaged rollover does not occur If you press the up arrow when the value in the tens position is zero and the value in the units position is nine or if you press the down arrow when the value in the tens position is zero and the value in the units positio...

Страница 64: ...1 Getting Started 64 Keysight 53147A 148A 149A Operating and Programming Guide Ch 2 Freq Resol Ch 2 Freq Enter Freq Offset ...

Страница 65: ...eturn for that source the meter indicates the positive value of the voltage If the positive test lead is applied to a negative voltage source and the negative lead is applied to a return for that source the meter indicates the negative value of the voltage Ch 2 Freq Display DVM Ch 2 Freq DVM DAMAGE 60 VDC NOTE The DVM automatically selects the appropriate voltage range to display the measurement w...

Страница 66: ...1 Getting Started 66 Keysight 53147A 148A 149A Operating and Programming Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 67: ...t Sequence 70 Using the Selection Keys 71 Using the Clear and Reset Local Keys 75 Other Function Selection Keys 76 Measuring Frequency 80 Setting the Resolution and Measurement Rate 82 Setting the Number of Averages 86 Measuring Relative Frequency 89 Offsetting a Frequency Measurement 90 Measuring Power 93 Measuring Relative Power 109 Offsetting a Power Measurement 110 Measuring Voltage 112 Using ...

Страница 68: ...rement Sequence pg 70 Using the Selection Keys pg 71 Numeric Entry pg 72 Changing States pg 73 Acknowledging Messages pg 75 Using the Clear and Reset Local Keys pg 75 Other Function Selection Keys pg 76 Measuring Frequency pg 80 Setting the Resolution and Measurement Rate pg 82 Setting the Number of Averages pg 86 Measuring Relative Frequency pg 89 Offsetting a Frequency Measurement pg 90 Measurin...

Страница 69: ...u to select such things as the timebase source the GPIB address and the RS 232 serial port baud rate The instrument also allows you to store your selections in non volatile memory thus these settings are not lost when power has been off or after a remote interface reset Automatically displays measurement s when you have selected a measurement function Accepts your entry for a menu item when you pr...

Страница 70: ...Resol and or Pwr Offset Shift Avg keys to enter the offset values 6 Use the Resol Rate Shift and Avg keys to configure the display 7 Use the Menu Shift Reset Local key to set the reference oscillator source to select the Channel 1 low pass filter to configure the Counter s response to frequency modulation to select a Power Meter head and or to select a previously saved set of user settings 8 If yo...

Страница 71: ...r down arrow key to go forward to the next menu function or back to the previous menu function Pressing either of these keys repeatedly cycles through the list of menu functions Press the right arrow key to select a function When you do this the flashing annunciator changes direction and the current setting flashes to indicate that you can now use the up and down arrow keys to cycle through the av...

Страница 72: ...ious page Press the Sign key to change the sign of the numeric value Press the Enter key to complete a numeric entry If you change the value of a numeric entry but you forget to press the Enter key the value of the entry is not changed NOTE In most cases when you reach the top or bottom of a list of settings or the left or right end of a numerical field the focus rolls over to the opposite end of ...

Страница 73: ... of available states These functions and the states you can choose for each of them are Reference Oscillator REF OSC Internal INT External EXT Serial Port Baud Rate BAUD 1200 2400 4800 9600 14400 19200 Frequency Modulation FM Automatic AUTO Off OFF Channel 1 Low Pass Filter CH1 LPF On ON Off OFF Measurement Rate Rate key Fast FAST Medium MED Slow SLOW Hold HOLD Resolution Resol key 1 Hz 10 Hz 100 ...

Страница 74: ...rom the displayed menu function or front panel key function to the setting for that function Press the up or down arrow key to cycle through the available choices Press the Enter key to complete the setting If you change the setting of a function but you forget to press the Enter key the setting of the function is not changed NOTE The Sign key has no function and is ignored in menu selections and ...

Страница 75: ...he Clear key also restores the previous setting but it closes the Menu or the front panel key function setting display at the same time If you press the Reset Local key while the instrument is taking measurements it resets the current operation and forces the instrument to reacquire and re measure the signal Pressing the Reset Local key while the instrument is in Remote Mode forces the instrument ...

Страница 76: ...Freq Offset Shift Resol key Frequency Freq key Calibration Factor Cal Factor Shift Freq key Measurement Rate Rate Shift key Number of Averages Avg key Power Offset Pwr Offset Shift Avg key Use the Selection keys in the manner described earlier in this chapter see Numeric Entry and Changing States to adjust the settings for these functions Detailed procedures for using the Resol Freq Offset Freq Ca...

Страница 77: ...e Chan Select key in the COUNTER section of the front panel to toggle between the two Counter input channels Frequency offset measurement COUNTER Offset On Off Press the Offset On Off key in the COUNTER section of the front panel to turn the frequency offset function on or off Relative frequency measurement COUNTER Rel Freq Press the Rel Freq key in the COUNTER section of the front panel to measur...

Страница 78: ...ift and then press the Rel Pwr key the Offset On Off key in the POWER METER section of the front panel to measure the difference in power between the current measurement and the measurement taken at the time you pressed the Rel Pwr key Unit of measurement for power POWER METER dBm W Shift Display Power To toggle between measuring power in dBm and in Watts press the Shift key and then press the dBm...

Страница 79: ...he upper portion of the display between voltage measurement and frequency measurement Frequency and power measurements can be displayed simultaneously as can voltage and power measurements Frequency measurements and voltage measurements can be displayed alone but power measurements are always accompanied by either the frequency display or the voltage display ...

Страница 80: ...tion only 2 Press the POWER button on the front panel The Standby indicator goes off and all segments of the front panel display are temporarily activated TESTING is displayed while the instrument performs its power on self test If the instrument passes all of the tests SELF TEST OK is displayed and the instrument then displays its model number firmware version number GPIB address and CH2 NO SIGNA...

Страница 81: ...d the Ch 1 and Freq annunciators are activated If a signal is presently applied to the Channel 1 input the measured frequency is then displayed If no signal is applied CH1 NO SIGNAL is displayed until an input signal is connected to the Channel 1 input connector CAUTION The Channel 2 input path circuits contain sensitive GaAs semiconductors To prevent damage to these components always adhere to st...

Страница 82: ...ffect how often the Counter takes measurements Setting the Resolution The Counter s resolution setting determines the number of digits displayed for measurements and the precision of the measurements Since less time is required to compute each measurement as the resolution of the measurements is reduced the resolution setting also affects the rate at which measurements are taken and displayed As a...

Страница 83: ...ys to change the setting 2 Press the up arrow or down arrow key to decrease or increase the resolution You can press these keys as many times as necessary to locate the setting you want to use The available resolution settings are 1 Hz the default 10 Hz 100 Hz 1 kHz 10 kHz 100 kHz and 1 MHz 3 Press the Enter key to activate your setting and exit the resolution setting mode The setting you chose is...

Страница 84: ...ic measurements so that a single measurement is made each time you press the Reset Local key Rate Setting Example 1 Press the Rate key to enter the rate setting mode The current rate setting is displayed the current value and the indicator between the arrow keys are flashing to indicate that you can use the up and down arrow keys to change the setting NOTE The measurement resolution has a direct e...

Страница 85: ...effect The measurement rate is adjusted accordingly you can observe the effect on measurement speed by monitoring the flash rate of the Gate indicator The rate annunciator is activated when either SLOW or MEDIUM is selected for the rate When you select HOLD the HOLD annunciator is activated 4 If you set the rate to HOLD press the Reset Local key to initiate a measurement The instrument computes th...

Страница 86: ... number of averages to 0 Averages Setting Example 1 Press the Avg key to enter the averages setting mode The current averages setting is displayed the current value and the indicator between the arrow keys are flashing to indicate that you can use the up and down arrow keys to change the setting NOTE When a large number of averages is selected for a frequency measurement in combination with a high...

Страница 87: ...isplayed the instrument immediately takes another measurement discards the oldest measurement included in the current average computation recomputes the average and displays the new NOTE For most of the instrument s settings when you continue to press either the up arrow or the down arrow key when you reach the end of the available settings the value for the setting rolls over to the value at the ...

Страница 88: ...e average computation NOTE If the measurement rate is set to HOLD and a value larger than 1 is set for averages the first set of measurements is not initiated until you press the Reset Local key When you do the instrument displays the AVERAGING message while it takes the first set of measurements When the first set of measurements is complete and the averaging result is displayed the instrument re...

Страница 89: ...same time the Counter saves the frequency measurement it was displaying at the time you pressed the Rel Freq key and it computes and displays the difference between the stored measurement and all subsequent measurements until the relative frequency function is deactivated You can also use the Relative Frequency function to measure the difference between two different signals To do this activate th...

Страница 90: ...r and press the Chan Select key if necessary to activate Channel 1 The display should look like this 2 Press the Shift key and then press the Freq Offset Resol key in the MODIFY section of the front panel The Shift annunciator activates when you press the Shift key When you press the Freq Offset key the Shift annunciator disappears and the Freq Offset annunciator at the left side of the display ac...

Страница 91: ...set entered in Steps 2 and 3 The display should look like this Since the offset function can be used to add or subtract a fixed value to from the measurement result you can use this feature to tune or align the odd frequencies of a local oscillator LO If you enter the target frequency as a negative offset the Counter displays the difference between the LO s frequency and the target frequency You c...

Страница 92: ...2 Operating Your Instrument 92 Keysight 53147A 148A 149A Operating and Programming Guide NOTE The maximum value that can be entered for Frequency Offset is 49 999 999 999 Hz ...

Страница 93: ...the appropriate calibration factor for the frequency of the signal The five power head models that have pre recorded calibration factor tables in the instrument s non volatile memory are listed under Power Head Selection HEAD on page 121 You can also modify the data points frequency calibration factor data pairs in the preconfigured calibration factor tables add data points to these tables and add...

Страница 94: ...brate the Power Meter if you change the power head if the instrument is shut off for any period of time if the ambient temperature changes by 5 C 9 F or more and if the GPIB INIT command is sent to the instrument In any case you should calibrate the Power Meter at least once a day CAUTION Always follow the directions provided with the power head in addition to the instructions provided in this man...

Страница 95: ...Enter NOTE The upper portion of the display may show a frequency measurement or a voltage measurement if a signal is applied to the Counter or DVM input and the Counter or DVM is enabled In this example the Counter is enabled but no signal is applied so the upper portion of the display shows CH2 NO SIGNAL If the DVM is enabled with no signal applied the upper portion of the display will show VDC 0...

Страница 96: ... values in the stored calibration tables If you prefer you can use the Cal Factor key to enter the calibration factor value directly NOTE Three empty tables are provided for compatible power sensor heads that the instrument does not have pre recorded tables for You can create your own table by entering a set of frequency power factor data points for a power head by selecting CUST 1 CUST 2 or CUST ...

Страница 97: ...easurement changes from dB or dBm to Watts mW μW or nW as shown below Modifying and Adding Calibration Factor Tables The HEAD menu option provides access to preconfigured editable calibration factor tables for five models of Keysight power sensor heads models 8481A 8481D 8482A 8485A and 8487A and three custom tables You can modify the frequency calibration factor values in any of the data points f...

Страница 98: ...fter HEAD changes from to and OFF or the currently selected power head model number begins to flash 4 Select the model number of the power head you intend to modify the data point s for by pressing the up and or down arrow key repeatedly until the correct model number is displayed and then press Enter You can now change the values of the frequency power factor data points that are stored in the in...

Страница 99: ...urrently displayed calibration table 6 Press the right arrow key again The flashing indicator after LIST changes from to and the first digit in the frequency value begins to flash You can now use the up and down arrow keys to change the value of the first digit of the frequency value You can also use the right and left arrow keys to move between the digits of the frequency value and use the up and...

Страница 100: ...7 8 9A 01 you can change the instrument s setting to match the 50 MHz reference calibration factor RCF of your power head When the frequency reading on the display is 00 05 GZ 50 MHz you can change the RCF to the one for your particular power head After doing this always re zero and recalibrate the instrument see Steps 7 through 9 on page 96 All units shipped from the factory after August 2001 hav...

Страница 101: ...and exit the menu Whether you save and move to the next data point or save and exit all of the data points in the current table are immediately resorted into order by frequency This is important to keep in mind since the next data point in order may no longer be the same one that was in that position in the list before you made changes to the data point you just adjusted dB dBm Watts mW uW Ch 2 Fr...

Страница 102: ...e recorded power head calibration tables Table 2 2 Calibration Table Data Point Values Power Head Model Number Frequency Calibration Factor 8481A RCF 100 0 50 MHz 100 0 100 MHz 99 8 2 GHz 99 0 3 GHz 98 6 4 GHz 98 0 5 GHz 97 7 6 GHz 97 4 7 GHz 97 1 8 GHz 96 6 9 GHz 96 2 10 GHz 95 4 11 GHz 94 9 12 4 GHz 94 3 13 GHz 94 3 14 GHz 93 2 15 GHz 93 0 16 GHz 93 0 17 GHz 92 7 18 GHz 91 8 ...

Страница 103: ... 1 GHz 99 4 2 GHz 99 5 3 GHz 98 6 4 GHz 98 6 5 GHz 98 5 6 GHz 98 5 7 GHz 98 6 8 GHz 98 7 9 GHz 99 5 10 GHz 98 6 11 GHz 98 7 12 GHz 99 0 12 4 GHz 99 1 13 GHz 98 9 14 GHz 99 4 15 GHz 98 9 16 GHz 99 1 17 GHz 98 4 18 GHz 100 1 Table 2 2 Calibration Table Data Point Values continued Power Head Model Number Frequency Calibration Factor ...

Страница 104: ...mming Guide 8482A RCF 98 0 0 1 MHz 98 0 0 3 MHz 99 5 1 MHz 99 3 3 MHz 98 5 10 MHz 98 5 30 MHz 98 1 100 MHz 97 6 300 MHz 97 5 1 GHz 97 0 2 GHz 95 0 3 GHz 93 0 4 2 GHz 91 0 Table 2 2 Calibration Table Data Point Values continued Power Head Model Number Frequency Calibration Factor ...

Страница 105: ...9 6 GHz 98 5 8 GHz 98 3 10 GHz 98 1 11 GHz 97 8 12 GHz 97 6 12 4 GHz 97 6 14 GHz 97 4 16 GHz 97 0 17 GHz 96 7 18 GHz 96 6 19 GHz 96 0 20 GHz 96 1 21 GHz 96 2 22 GHz 95 3 23 GHz 94 9 24 GHz 94 3 25 GHz 92 4 26 GHz 92 2 26 5 GHz 92 1 Table 2 2 Calibration Table Data Point Values continued Power Head Model Number Frequency Calibration Factor ...

Страница 106: ... 8 2 GHz 99 5 3 GHz 98 9 4 GHz 98 8 5 GHz 98 6 6 GHz 98 5 7 GHz 98 4 8 GHz 98 3 9 GHz 98 3 10 GHz 98 3 11 GHz 98 1 12 GHz 97 9 13 GHz 98 0 14 GHz 98 2 15 GHz 97 7 16 GHz 96 8 17 GHz 97 0 18 GHz 96 3 19 GHz 95 9 20 GHz 95 2 21 GHz 95 6 22 GHz 95 5 Table 2 2 Calibration Table Data Point Values continued Power Head Model Number Frequency Calibration Factor ...

Страница 107: ... 1 28 GHz 95 0 29 GHz 94 4 30 GHz 94 0 31 GHz 93 7 32 GHz 93 8 33 GHz 93 0 34 GHz 93 2 34 5 GHz 93 5 35 GHz 93 1 36 GHz 92 0 37 GHz 92 4 38 GHz 90 9 39 GHz 90 3 40 GHz 91 4 41 GHz 90 6 42 GHz 89 9 43 GHz 89 1 44 GHz 88 1 45 GHz 86 9 46 GHz 85 8 47 GHz 85 4 Table 2 2 Calibration Table Data Point Values continued Power Head Model Number Frequency Calibration Factor ...

Страница 108: ...ent 108 Keysight 53147A 148A 149A Operating and Programming Guide 8487A continued 48 GHz 83 2 49 GHz 81 6 50 GHz 80 2 Table 2 2 Calibration Table Data Point Values continued Power Head Model Number Frequency Calibration Factor ...

Страница 109: ...at the time you pressed the Rel Pwr key and it computes and displays the difference in power between the stored measurement and all subsequent measurements until the relative power function is deactivated You can also use the Relative Power function to measure the difference in power between two different signals To do this activate the Relative Power function as described in the previous paragrap...

Страница 110: ...the Power Offset function on Power Offset Example 1 Connect a signal to the Power Meter input connector and activate power measurement by pressing the Display Power key The display should look like this the values are simulated in these illustrations 2 Press the Shift key and then press the Pwr Offset Avg key The Shift annunciator activates when you press the Shift key When you press the Pwr Offse...

Страница 111: ...value 5 Press the Enter key to confirm the offset value and exit the offset entry display The Pwr Offset annunciator is deactivated and the measurement display returns 6 Press the Offset On Off key in the POWER area of the front panel The Pwr Offset annunciator is activated and the value of the display is adjusted to reflect the value and sign of the offset entered in Steps 3 and 4 The display sho...

Страница 112: ... power input connector on the rear panel and to an appropriate power source or with the Battery option turn on the Battery power switch 2 Press the Display DVM key in the DVM section of the front panel The DVM display is activated as shown below 3 Insert the connector on the end of the red test lead into the red DVM connector and insert the connector on the black test lead into the black DVM conne...

Страница 113: ...f and the first menu item is displayed If you have not previously invoked the Menu since you last turned the instrument on the first menu item is REF OSC the Reference Oscillator 2 Press the right arrow key to change the setting for the Reference Oscillator The flashing annunciator in the display reverses direction to indicate that you can now change the setting by pressing either the up arrow key...

Страница 114: ...panel PWR REF Turns the reference signal available on the Power Meter Output connector ON or OFF SAVE Saves a copy of the current user settings in non volatile memory Nine sets 0 8 can be saved and Set 0 is automatically read on startup RECALL Reads and implements a stored set of user settings from one of nine 0 8 that are stored in non volatile memory CH1 LPF Turns the Channel 1 Low Pass Filter a...

Страница 115: ... the down arrow key to get to it When you press the right arrow key the flashing annunciator changes direction and the current setting for the Reference Oscillator INT internal or EXT external flashes This indicates that you can now change this setting Use either the up arrow key or the down arrow key to change the setting If there are more than two settings available for the currently selected fu...

Страница 116: ...ess REF OSC is set to EXT and it detects a 1 2 5 or 10 MHz reference signal on the Reference connector on the back panel If an external reference signal is present you can force the Counter to use the internal reference oscillator by setting the REF OSC menu option to INT The available settings are EXT external and INT internal and the default setting is INT NOTE Always terminate each setting you ...

Страница 117: ...is automatically used when the instrument is powered on The Save and Recall functions enable faster and easier operation reduce operator errors and reduce training requirements Recall User Settings RECALL Up to nine sets of settings you make for the instrument s configurable functions can be saved in non volatile memory The RECALL menu option allows you to select and implement any of the sets you ...

Страница 118: ...9600 14 400 and 19 200 bps The default setting is 9600 bps Preset When PRESET is displayed pressing the Enter key loads the default settings for most of the instrument s functions These functions and their default settings are listed in the following table Table 2 3 Factory Default Function Settings Function Available Settings Default Setting Reference Oscillator REF OSC INT Internal EXT External ...

Страница 119: ...hrough 99 01 Power Offset Pwr Offset key POWER METER Offset On Off key 99 99 through 99 99 dBm Off On 0 Off Measurement Rate Rate key FAST MED SLOW HOLD FAST Display Backlight On Off On Off key On Off On Channel Selection Chan Select key Channel 1 Channel 2 Channel 2 Power Measurement Units dBm W key dBm dBm dB W W mW μW nW dBm Relative Frequency Rel Freq key Off On Off Relative Power Rel Pwr key ...

Страница 120: ...n in operation since its last calibration This value does not include Standby hours This information is useful for scheduling routine maintenance and calibration For additional information on maintenance and calibration see the Assembly Level Service Guide Battery Voltage BATT VOLTAGE If the Battery Option Option 002 is installed the current battery voltage is displayed in digital and analog form ...

Страница 121: ...option to change the frequency and power factor values in the data points for these power heads to input additional data points for these power heads and to enter data points for power heads other than the five preconfigured models by selecting CUST 1 CUST 2 and or CUST 3 instead of one of the five preconfigured power head models The maximum number of data points that can be saved for any single p...

Страница 122: ...2 Operating Your Instrument 122 Keysight 53147A 148A 149A Operating and Programming Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 123: ...mats 159 Elements of SCPI Commands 160 Using Multiple Commands 167 Overview of Response Message Formats 169 Status Reporting 173 Programming the Instrument for Status Reporting 188 Programming the Instrument to Display Results 193 Commands for Displaying Results 194 Programming the Instrument to Synchronize Measurements 195 Writing SCPI Programs 199 Programming Examples 201 Command Reference 207 A...

Страница 124: ...amming 124 Keysight 53147A 148A 149A Operating and Programming Guide SENSe FUNCtion Subtree 237 STATus Subsystem 241 SYSTem Subsystem 248 TRIGger Subsystem 251 UNIT Subsystem 252 Common Commands 253 Errors 266 ...

Страница 125: ...nstrument s front panel functions via the General Purpose Interface Bus GPIB or the RS 232 serial interface These programming commands conform to the Standard Commands for Programmable Instruments SCPI Standard Version 1992 0 The SCPI standard does not completely redefine how to program instruments over the GPIB or the RS 232 serial interface However it does standardize the structure and content o...

Страница 126: ...ew of Command Types and Formats pg 159 Elements of SCPI Commands pg 160 Using Multiple Commands pg 167 Overview of Response Message Formats pg 169 Status Reporting pg 173 Programming the Instrument for Status Reporting pg 188 Programming the Instrument to Display Results pg 193 Commands for Displaying Results pg 194 Programming the Instrument to Synchronize Measurements pg 195 Writing SCPI Program...

Страница 127: ...Programming Guide 127 MEASure Subsystem pg 220 MEMory Subsystem pg 230 SENSe Subsystem pg 232 SENSe FUNCtion Subtree pg 237 STATus Subsystem pg 241 SYSTem Subsystem pg 248 TRIGger Subsystem pg 251 UNIT Subsystem pg 252 Common Commands pg 253 Errors pg 266 ...

Страница 128: ...peration there are programming examples provided in BASIC Microsoft QuickBASIC and Borland Turbo C However whatever language you use the command strings that control the instrument remain the same NOTE With two minor exceptions the only difference between programming the instrument using the GPIB interface and the RS 232 serial interface is the manner in which you connect the instrument to the com...

Страница 129: ...the programs work consider yourself an experienced programmer and use the section titled Command Reference on page 207 as a reference for detailed information of all the instrument s SCPI commands Experienced Programmers If you have programmed other GPIB instruments you are probably familiar with many of the concepts and techniques discussed in this guide Using the SCPI commands is also very simil...

Страница 130: ...icable to your programming requirements If you need more information than is contained in this guide see the section titled Related Documentation on page 132 Applications After you have read the appropriate information and written some measurement programs you may want to expand the scope of your applications The following two techniques are explained in detail If you are going to write interrupt ...

Страница 131: ... See the section in this chapter titled Related Documentation on page 132 for ordering information If you intend to use the RS 232 serial interface see the section titled Connecting With the RS 232 Serial Interface on page 154 As previously mentioned this guide also assumes you are familiar with the front panel operation of the instrument See Chapters 1 and 2 for detailed information about front p...

Страница 132: ...u are programming more than one instrument that claims conformance to the SCPI standard You can verify the use of standard SCPI commands in different instruments To obtain a copy of this standard contact SCPI Consortium 8380 Hercules Suite P3 La Mesa CA 91942 USA Phone 619 697 8790 FAX 619 697 5955 4 The International Institute of Electrical Engineers and Electronic Engineers IEEE Standard 488 1 1...

Страница 133: ...ts and data types used in SCPI It is intended more for firmware engineers than for instrument users programmers However it can be useful if you need to know the precise definition of specific message formats data types or common commands To obtain a copy of this standard write to The Institute of Electrical and Electronic Engineers Inc 345 East 47th Street New York NY 10017 USA 6 Hewlett Packard C...

Страница 134: ...t to the instrument 1 2 Means use either 1 or 2 numeric_value Means enter a number SENSe Means you must use either all the upper case letters or the entire word The lower case letters are optional For example SENS and SENSE are both valid However SEN is not valid Note SENSe is used here as an example but this convention applies to all SCPI commands NOTE When you see quotation marks in a command s ...

Страница 135: ...f Freq Clear Resol Shift 2 Reset Local 5 Shift Freq Offset Shift Cal Factor Resol 3 4 6 Shift Pwr Offset 8 Pwr Offset Rate 1 Shift Rate Shift On Off COUNTER Offset On Off Rel Freq Chan Select Gate POWER METER Display Power dBm W Store Cal Zero Offset On Off Rel Pwr Chan Select 16 9 Offset On Off Freq Avg 7 10 Zero 11 Cal Display DVM 13 Offset On Off Pwr 12 Display DVM 15 Shift dBm W 14 Display Pow...

Страница 136: ... OFFSet 7 SENSe AVERage COUNt 8 TRIGger SEQuence HOLDoff 9 SENSe FREQuency OFFSet STATe 10 CALibration Zero AUTO ONCE 11 CALibration AUTO ONCE 12 SENSe FUNCtion ON VOLT SENSe FUNCtion OFF VOLT 13 SENSe POWer OFFSet STATe 14 SENSe FUNCtion ON POW SENSe FUNCtion OFF POW 15 UNITs POWer DBM UNITs POWer W 16 SENSe FUNCtion ON FREQ1 SENSe FUNCtion ON FREQ2 Figure 3 1 Front Panel Control to SCPI Command ...

Страница 137: ...137 Figure 3 2 Front Panel Menu to SCPI Command Map Part 1 of 2 REF OSC PWR REF SAVE RECALL BAUD PRESET Instrument ID OP HRS BATT VOLTAGE CH1 LPF HEAD GPIB ADDR FM 3 9 10 12 4 5 Shift Menu Reset Local Freq Offset Menu On Off Clear Rate Shift 1 2 6 7 8 DO SELF TEST 11 14 13 ...

Страница 138: ...OSCillator STATe 3 SAV 4 RCL 5 INPut FILTer LPASs STATe 6 SENSe FILTer FM AUTO 7 SYSTem COMMunicate SERial RECeive BAUD 8 RST 9 IDN 10 See Service Manual 11 See Service Manual 12 TST 13 SENSe CORRection CSET SELect 14 SYSTem COMMunicate GPIB SELF ADDRess Figure 3 2 Front Panel Menu to SCPI Command Map Part 2 of 2 ...

Страница 139: ...mand set consists of the following Common Commands as defined in IEEE 488 2 1987 listed and summarized in Table 3 1 SCPI Subsystem commands as confirmed and listed in the SCPI Standard the commands defined in Table 3 2 as Std SCPI Subsystem commands designed for the instrument in conformance with SCPI standards but not yet listed in the SCPI Standard the commands defined in Table 3 2 as New Detail...

Страница 140: ...ormats Protocols and Common Commands document Table 3 1 IEEE 488 2 Common Commands Mnemonic Command Name Function CLS Clear Status Clears all event status registers summarized in the status byte and empties the Error Queue DDT arbitrary block Define Device Trigger Command Defines which command is executed when the instrument receives a GET or TRG command DDT Define Device Trigger Query Queries whi...

Страница 141: ...current state of the instrument s user settings in local non volatile memory 0 through 9 are valid memory registers SRE NRf Service Request Enable Sets the Service Request Enable register SRE Service Request Enable Query Queries the Service Request Enable register STB Status Byte Query Queries the Status Byte and Master Summary Status bit TRG Trigger This trigger command is the device specific ana...

Страница 142: ...umn The Std New column in Table 3 2 shows the status of the command with respect to the SCPI standard The Std commands operate as defined in the SCPI standard and as defined in this guide The category of New consists of commands that could be SCPI approved but are not yet in the SCPI manual Keysight approved and submitted for SCPI approval Not approved at all The New commands operate as defined in...

Страница 143: ...ta relating to the calibration data Changes sets the CAL SECurity code Enables disables access to calibration memory The numeric_value is the current value of CAL SECurity CODE Corrects all power readings when calibration tables are disabled Zeros the Power Meter CONFigure Std See Measurement Instructions in this table DISPlay ENABle WINDow BACKground STATe Boolean Boolean Std Std New Subsystem Co...

Страница 144: ...mments Table 3 2 Keysight 53147A 148A 149A SCPI Command Summary continued Keyword Syntax Parameter Form Std New Comments Measurement Instructions CONFigure SCALar function CONFigure MEASure SCALar function READ SCALar function FETCh SCALar function See parameters and source_list below See parameters and source_list below Std Std Std Std Std Configures the instrument to perform the specified measur...

Страница 145: ...w Comments Table 3 2 Keysight 53147A 148A 149A SCPI Command Summary continued Keyword Syntax Parameter Form Std New Comments MEMory CLEAr NAME DATA DATA NSTates name name data name Std Std Std Std Std Subsystem Manages instrument memory Event no query Restores the frequency values in the named correction profile to the default values and sets all loss values to zero Stores data in the named correc...

Страница 146: ...e is ON power measurements are modified according to the data in the correction profile selected with SELect Query only Returns the current measurement result data of the SENSe subsystem Frequency on channel 1 or 2 Power on channel 2 Subtree Controls the use of filtering routines in the instrument Turns automatic FM compensation ON or OFF SENSe cont FREQuency OFFSet STATe numeric_value frequency u...

Страница 147: ...tude in dB for display of power measurements Determines whether amplitude is measured in absolute or relative mode Turns the Power Offset function on or off Subtree Controls the reference oscillator SOURce character_program_data INTernal EXTernal Std Sets the selection of a reference timebase INTernal or EXTernal STATus OPERation CONDition ENABle EVENt NTRansition non decimal numeric NRf non decim...

Страница 148: ... VERSion numeric_value numeric_value Std Std Std Std Std Std Std Std Subsystem Collects the functions that are not related to instrument performance Subtree Collects together configuration of control communication interfaces Subtree Controls the GPIB Sets the GPIB address of the instrument Subtree Sets the baud rate Query only Queries the oldest error in the Error Queue and removes the error from ...

Страница 149: ...Boolean ON ON INITiate CONTinuous Boolean OFF INPut FILTer LPASs STATe Boolean OFF SENSe AVERage STATe SENSe AVERage COUNt SENSe FILTer FM AUTO Boolean numeric_value Boolean OFF 1 ON SENSe CORRection CSET SELect SENSe CORRection CSET STATe SENSe FREQuency OFFset SENSe FREQuency OFFset STATe SENSe FREQuency RESolution SENSe FREQuency TRACking SENSe FUNCtion OFF SENSe FUNCtion ON SENSe POWer AC REFe...

Страница 150: ...gramming 150 Keysight 53147A 148A 149A Operating and Programming Guide Table 3 4 Unaffected by RST Item ESE PRE SRE MEMory NSTates STATus subsystem all command settings SYSTem subsystem all command settings ...

Страница 151: ...wo minor exceptions the only difference between programming these instruments using the GPIB interface and the RS 232 serial interface is the manner in which you connect the instrument to the computer These exceptions are 1 The instrument sends a command prompt over the RS 232 interface but not the GPIB after receiving and executing each command 2 When an error is detected during the Self Test or ...

Страница 152: ... 3 3 GPIB Interconnection Configuring the GPIB The instrument s GPIB operates in Addressed talk listen mode which provides bi directional communication The instrument can receive commands and setups from a computer and it can send data and measurement results There is one configurable setting related to GPIB communication the GPIB Address Keysight 53147A 148A 149A Rear Panel Keysight 10833A B C D ...

Страница 153: ...nd the current GPIB address blinks 3 Press or press and hold the up arrow or down arrow key to change the GPIB address the available addresses are 0 to 30 4 When your desired address is displayed press the Enter key The address you selected is assigned and the display returns to its normal operating mode You must press the Enter key to complete the entry NOTE Once the instrument is in Remote mode ...

Страница 154: ...tor To connect the instrument to a computer using the RS 232 interface you need a serial cable that has an RJ12 modular connector at the instrument end and a female DB25 connector at the computer end SH1 AH1 T6 L3 SR1 RL1 PP1 DC1 DT1 C0 E1 OPTIONS 001 OvenTime Base 002 Battery Main Power In or Out Reference 10 MHz Auxiliary AC POWER 90 130VAC 50 60 400 Hz 190 230VAC 50 60 Hz FUSE 1 0 A 250V WARNIN...

Страница 155: ... procedure to wire the adapter and assemble the cable 1 Obtain a male DB25 to female RJ12 adapter such as the Voltrex MAK206F manufactured by SPC Technology or equivalent and either a 6 conductor male to male RJ12 cable of a suitable length or a similar length of 6 conductor flat telephone cable and two RJ12 plugs RJ12 modular plugs SPC part number TA30 6 and 6 conductor flat telephone cable SPC p...

Страница 156: ...XD Pin 3 RXD Pin 4 GND Pin 5 Not Used Pin 6 Not Used Viewed from wire back side of the connectors SPC Technology Voltrex Brand Part number MAK206 F DB 25F female to RJ12 male Adapter DB 25F Female RJ12 Male 5 3 25 13 24 12 23 11 22 10 21 9 20 8 19 7 18 6 17 5 16 4 15 3 14 2 1 RED RXD BLK TXD GRN GND 1 Pin 4 GND Pin 3 RXD Pin 2 TXD Viewed from front side of the connectors SPC Technology Voltrex Bra...

Страница 157: ... Assembling the Cable 4 Connect either end of the cable to the adapter by inserting the RJ12 plug into the receptacle on the adapter 1 2 3 4 5 6 Pin 1 2 3 4 5 6 1 2 3 4 5 6 6 5 4 3 2 1 Pin SPC Technology 6 Conductor Flat Telephone Wire Part number TXW6151 RJ12 Modular Plug SPC Technology Part number TA 30 6 6 BLU 5 YEL 4 GRN 3 RED 2 BLK 1 WHT Wire No Color 6 BLU 5 YEL 4 GRN 3 RED 2 BLK 1 WHT Wire ...

Страница 158: ...ay and the instrument settings cannot be affected using the front panel controls The Reset Local key can be used to manually return the instrument to local control if local lockout is off When the instrument is in Local mode the front panel Rmt indicator in the display is off Computer Rear Panel Serial Cable OPTIONS 001 OvenTime Base 002 Battery Main Power In or Out Reference 10 MHz Auxiliary AC P...

Страница 159: ...ions like reset self test status byte query and identification Common Commands always begin with the asterisk character and may include parameters The command keyword is separated from the first parameter by a space character Some examples of Common Commands are as follows RST IDN RCL 1 SCPI Command and Query Format SCPI commands perform functions like instrument setup A subsystem command has a hi...

Страница 160: ...messages Examples of a typical Common Command and Subsystem Command are OUTPUT 712 CLS OUTPUT 712 DISP ENAB ON FREQ RES 1KHz Subsystem Command Syntax Figure 3 8 shows the simplified syntax of a Subsystem Command You must use a space SP between the last command mnemonic and the first parameter in a Subsystem Command Note that if you send more than one parameter with a single command you must separa...

Страница 161: ...viated spelling for the command For better program readability you may send the entire keyword The Keysight 53147A 148A 149A accepts either command form and is not case sensitive For example if the command syntax shows DISPlay then DISP and DISPLAY are both acceptable forms Other forms of DISPlay such as DISPL or DISPLA are illegal and they generate errors You may use upper and or lower case lette...

Страница 162: ...ord In this case the instrument assumes you intend to use the optional keyword and responds as if you had sent it Examine the portion of the SENSe subsystem shown below SENSe FREQuency RESolution The root level keyword SENSe is an optional keyword To set the instrument s frequency resolution you can use either of the following SENS FREQ RES or FREQ RES Parameter Types Table 3 5 contains explanatio...

Страница 163: ...c value Represents a single binary condition that is either true or false 1 or ON 0 or OFF Query response returns only 1 or 0 An NRf is rounded to an integer A non zero value is interpreted as 1 Selects from a finite number of choices These parameters use mnemonics to represent each valid setting An example is the INPut COUPling AC DC command parameters AC DC Flexible numeric representation A stri...

Страница 164: ...rns the maximum level currently available Be sure to place a space between the question mark and the parameter arbitrary block The syntax is a pound sign followed by a non zero digit representing the number of digits in the subsequent decimal integer The decimal integer specifies the number of 8 bit data bytes being sent This is followed by the actual data The terminator is a line feed asserted wi...

Страница 165: ...o commands are equivalent OUTPUT 703 FREQ RES 1kHz OUTPUT 703 FREQ RES 1E 3 Suffix Elements Suffix elements such as HZ Hertz S seconds V volts OHM Ohms PCT percent and DEG degrees are allowed within this format Suffix Multipliers Table 3 6 lists the suffix multipliers that can be used with suffix elements except PCT and DEG Table 3 6 Suffix Multipliers Definition Mnemonic Name 1E15 PE PETA 1E12 T ...

Страница 166: ...r decimal 10 an EOI End of Identify asserted concurrent with last byte or an EOI asserted concurrent with a new line as the last byte 1E 15 F FEMTO 1E 18 A ATTO a The suffix units MHZ and MOHM are special cases that should not be confused with suffix multiplier HZ and suffix multiplier OHM Table 3 6 Suffix Multipliers continued Definition Mnemonic Name ...

Страница 167: ...f you send more than one command in one message you must separate adjacent commands with a semicolon new line ASCII character decimal 10 END EOI asserted concurrent with last byte Figure 3 10 Simplified Program Message Syntax Diagram When using IEEE 488 2 Common Commands with SCPI Subsystem commands on the same line use a semicolon between adjacent commands For example RST SENS AVER ON When multip...

Страница 168: ...STAT ON or SENS AVER COUN 5 SENS AVER STAT ON The must be present to distinguish another root level command For example SENS AVER COUN 5 INIT CONT OFF is equivalent to sending SENS AVER COUN 5 INIT CONT OFF If the which is following the and is in front of INIT is omitted the instrument assumes that the second command is SENS AVER INIT CONT OFF and generates a syntax error ...

Страница 169: ...across the GPIB or the serial interface to the computer You read the message by using some type of enter statement that includes the device address and an appropriate variable Use a print statement to display the message The following BASIC example illustrates how to query the instrument and display the message 10 OUTPUT 703 ROSC SOUR 20 ENTER 703 A 30 PRINT A 40 END Response Message Syntax Figure...

Страница 170: ...ultiple response separator ASCII character decimal 59 data separator within a response ASCII character decimal 44 Table 3 7 Response Message Data Types Type Description NR1 This numeric representation has an implicit radix point The maximum number of characters in NR1 response data is 17 maximum 16 digits 1 sign NR2 This numeric representation has an explicit radix point The maximum number of char...

Страница 171: ...er is represented by the value 9 91E37 Not a Number is defined in IEEE 754 The instrument responds with this numeric value when queried for a floating point number it cannot provide This value will be formatted as an NR3 Boolean A single ASCII encoded byte 0 or 1 is returned for the query of settings that use Boolean parameters literal ASCII encoded bytes corresponding to the short form of the lit...

Страница 172: ...specifies the number of 8 bit data bytes being sent This is followed by the actual data The terminator is a line feed asserted with EOI For example for transmitting 8 bytes of data the format might be The 2 indicates the number of digits that follow and the two digits 08 indicate the number of data bytes to be transmitted A zero length block has the format 0 new line EOI new line is defined as a s...

Страница 173: ... the registers that are contained in each group It is intended as a guide to the bits used in each of these register groups to monitor the instrument s status Note that a summary of the Standard Status Structure Registers defined by IEEE 488 2 1987 is shown in addition to the Operation Status and Questionable Data Signal Register groups Refer to the section titled Programming the Instrument for St...

Страница 174: ...d 10 Acquiring 11 LOGICAL OR Use STATus OPERation Commands to control and read registers 32 Frequency 5 Not Used 6 to 11 LOGICAL OR Use STATus QUEStionable Commands to control and read registers Command Warning 14 Not Used 15 16384 Use SYSTem ERRor to query the Error Queue SRQ Interrupt to Computer Query Counter to read the Output Queue NOTES 1 The numbers that are in parentheses and positioned ab...

Страница 175: ...f the condition which is being summarized The Status Byte Register can be read with either a serial poll or the STB query but it is altered only when the state of the overlying status data structures is altered The entire Status Byte Register can be cleared by sending just the CLS command to the instrument in a program message Table 3 8 lists the Status Byte Register bits and briefly describes eac...

Страница 176: ... Register is set TRUE Conversely this bit is set FALSE zero when no enabled events are set TRUE Bit 4 MAV Message AVailable summarizes the Output Queue This bit indicates whether or not the Output Queue is empty This bit is set TRUE one when the instrument is ready to accept a request by the external computer to output data bytes that is the Output Queue is not empty This bit is set FALSE zero whe...

Страница 177: ...yte Register the MSS bit indicates the Master Summary Status The MSS bit indicates whether or not the instrument has at least one reason for requesting service Bit 7 OSB summarizes the Operation Status Event Register This bit indicates whether or not one or more of the enabled Operation events have occurred since the last reading or clearing of the Operation Status Event Register This bit is set T...

Страница 178: ...us Register bits and briefly describes each bit Table 3 9 Standard Event Status Register Bit Weight Symbol Description 0 1 OPC Operation Complete 1 RQC Not used because this instrument cannot request permission to become active IEEE 488 1 controller in charge 2 4 QYE Query Error 3 8 DDE Device Specific Error 4 16 EXE Execution Error 5 32 CME Command Error 0 1 2 3 4 5 6 7 0 1 2 3 4 5 7 Standard Eve...

Страница 179: ...mpletes a measurement consisting of AVERage COUNt measurements Bit 1 is not used Bit 2 Query Error is an event bit which indicates that either 1 an attempt was made to read the Output Queue when it was empty or 2 data in the Output Queue has been lost Errors 400 through 499 are query errors Bit 3 Device Specific Error is an event bit which indicates an operation did not properly complete due to so...

Страница 180: ...tax error 2 a semantic error indicating an unrecognized command or 3 a Group Execute Trigger was entered into the input buffer inside of a program message Bit 6 is not used Bit 7 Power On is an event bit which indicates that an off to on transition has occurred in the instrument s power supply Standard Event Status Enable Register The Standard Event Status Enable Register selects which events in t...

Страница 181: ...ilters an event register an event enable register Figure 3 15 shows the model that these register groups follow Figure 3 15 Operation and Questionable Data Status Reporting Model 0 1 2 n 1 n Condition Register Logical AND Logical OR Transition Filter 0 1 2 n 1 n Event Register 0 1 2 n 1 n Event Enable Register Summary Bit OSB or QSB Status Byte Register Device Status Continuously Monitored positiv...

Страница 182: ... When the transition filter specifies a negative transition the event becomes TRUE when its associated condition makes a TRUE to FALSE transition only When the transition filters specify both a positive and a negative transition the event becomes TRUE when its associated condition makes either a FALSE to TRUE or a TRUE to FALSE transition A transition filter is defined by positive and negative tra...

Страница 183: ...t TRUE when an associated event occurs These bits once set are sticky That is they cannot be cleared even if they do not reflect the current status of a related condition until they are read To read the event registers use STATus OPERation EVENt STATus QUEStionable EVENt Use event register queries or CLS to clear event registers Event Enable Register An event enable register selects which event bi...

Страница 184: ...ilter register PTR a negative transition filter register NTR an event register an event enable register Table 3 11 lists the Operation Status Register bits and briefly describes each bit Table 3 11 Operation Status Register Bit Weight Description 0 Not used 1 3 Not used 4 16 Measuring 5 32 Waiting for Trigger 6 8 Not used 9 512 Using Internal Reference 10 Not used 11 Acquiring 12 Locked 13 14 Not ...

Страница 185: ...a condition bit which indicates the instrument is using the internal reference The condition bit is TRUE one when the instrument is using the internal reference The condition bit is FALSE zero while the instrument is using the external reference The setting of this bit is not affected by the setting of the REF OSC option in the user settings menu Bit 10 is not used Bit 11 Acquiring indicates that ...

Страница 186: ...ned off or the Power Cal tables in EEPROM are defective or missing Bit 5 Frequency is a condition bit which indicates that frequency measurements may be affected by component failures NOTE For this register group the transition filter is fixed as PTR with all bits set to ones This cannot be changed or queried Table 3 12 Questionable Data Status Register Bit Weight Description 0 2 Not used 3 8 Powe...

Страница 187: ...is TRUE when an internal hardware fault has been detected either in normal operation or by the self test Bit 13 is not used Bit 14 Command Warning is an event bit indicating a command such as CONFigure or MEASure ignored a parameter during execution Since this is an event bit the transition filters have no effect on it Bit 15 is not used ...

Страница 188: ...lert the computer that the instrument needs attention The following examples show how each of the register groups can be used Figure 3 16 is a flowchart that shows how to program the instrument for Status Reporting Resetting the Instrument and Clearing the Remote Interface Example 1 Before attempting any programming it is a good idea to set the instrument to a known state The following command gro...

Страница 189: ...E 32 Enable for bad command SRE 32 Assert SRQ from Standard Event Status Register summary Using the Operation Status Register to Alert the Computer When Measuring is Complete Example 3 The following command grouping illustrates how to use the Operation Status register and the Status Byte register to alert the computer when measuring has completed This is useful if the instrument is making a long m...

Страница 190: ...A 148A 149A Operating and Programming Guide Operation Status Register STAT OPER PTR 0 NTR 16 Detect transition from measuring to non measuring STAT OPER ENABLE 16 Enable to detect measuring SRE 128 Assert SRQ on Operation Summary bit ...

Страница 191: ...asurement complete event from the Operation Status Group YES Use the following STAT OPER PTR 6688 STAT OPER NTR 16 This enables the negative transition of the measuring event bit to generate a summary bit to the Status Byte Register Do you want to report events monitored by the Questionable Data Signal Status Group YES Use the following STAT QUES ENAB 20 520 This enables any of the available bits ...

Страница 192: ...ter use the following STB enter A print A This reads the decimal value of the Status Byte Register You can also use the serial poll command to read this value If bit 3 QSB is set use the following STAT QUES EVENt This returns the decimal value of the event register It also clears the register so that subsequent events can be monitored If bit 5 ESB is set use the following ESR This returns the deci...

Страница 193: ...guring the Instrument s Display The instrument has three display modes 1 Raw results This display mode is used on power up 2 Relative results results modified by offset values 3 Display Disabled All LCD display segments disabled The following command groupings show how to program the instrument to any of the above display modes ...

Страница 194: ...t results to be displayed Commands for Displaying Relative Results Commands for Enabling and Disabling the Display The instrument display can be turned on or off The normal condition is for the display to be on RST Turns off all offsets FREQ OFFS STAT ON POW AC REF STAT ON Turns on offsets Turns on offsets DISP ENABLE OFF DISP ENABLE ON Disable the display all segments off Normal display mode ...

Страница 195: ...Before attempting any programming it is best to set the instrument to a known state The following command grouping illustrates how to reset the instrument Before issuing these commands execute a device clear to reset the interface and the instrument You should consult your interface card s documentation for information on issuing a device clear since the device clear command is specific to the int...

Страница 196: ...commands until the 50 measurements are complete When the instrument has completed the 50 measurements and averages it executes the DATA command which requests the results AVERAGE COUNT 50 AVERAGE STATE ON INIT WAI DATA Base the result on 50 measurements Enable averaging Start 50 measurements Wait until 50 measurements are complete before parsing another command At this point commands can be issued...

Страница 197: ...mand instead of the WAI command Read the instrument The program waits until the instrument returns a 1 The GPIB timeout must be set so that it is longer than the expected measurement time Using the OPC Command to Assert SRQ This method is recommended when the instrument is interfaced with many other instruments any of which can assert SRQ The commands OPC ESE 1 and SRE 32 are used to assert the SR...

Страница 198: ... and enable interrupt when SRQ is asserted The program can do other things while it is waiting for SRQ When SRQ occurs and the instrument has been identified as the cause of the SRQ ask for the data AVERAGE COUNT 50 AVERAGE ON ESE 1 SRE 32 On INIT take N measurements Enable averaging Summarize OPC bit for Status Byte Register SRQ when event summary bit is 1 INIT OPC Start measurements Enable OPC b...

Страница 199: ...ation of how to write SCPI programs It shows a typical sequence you might go through in the process of writing a program You do not have to follow this exact sequence but it will help you to become familiar with the instrument s capabilities and to direct you to sections of the guide which will be useful while writing programs ...

Страница 200: ...ee section titled Status Reporting in this chapter See Chapter 4 STATus ESE and SRE See Figure 3 14 Do you want to do Status Reporting Do you want to make a new measurement Select the function you want to perform See Figure 2 1 See SENS FUNC in Chapter 4 YES NO Do you want to average NO Configure Averaging See Averaging in Chapter 3 To transfer measurement data see Chapter 4 SENS DATA Initiate a m...

Страница 201: ...osed by either double or single quotes Each method is discussed in the following sub sections Sending Double Quoted and Single Quoted Strings In BASIC OUTPUT statements strings enclosed in double quotes need special consideration For example you can send the FUNC FREQ 1 command as follows OUTPUT 703 FUNC FREQ 1 Note that a pair of double quotes shown in bold is required to embed a double quote wit...

Страница 202: ...s are provided 1 Making a Frequency Measurement BASIC 2 Making a Frequency Measurement QuickBASIC 3 Making a Frequency Measurement C These examples can easily be modified to measure power or voltage by substituting POW to measure power or VOLT to measure voltage for FREQ NOTE All programming examples use the ASCII format to transfer data from the instrument to the computer The ASCII format is the ...

Страница 203: ...t 150 CLEAR 703 Clear the instrument and interface 160 OUTPUT Count RST Reset the instrument 170 OUTPUT Count CLS Clear event registers and error queue 180 OUTPUT Count SRE 0 Clear service request enable register 190 OUTPUT Count ESE 0 Clear event status enable register 200 OUTPUT Count STAT PRES Preset enable registers and 210 210 transition filters for operation and 220 questionable status struc...

Страница 204: ... source 703 instrument at address 3 isc p 7 Select code 7 state 1 Used in IOEOI CLS Clear screen CALL IOEOI isc p state Make sure EOI enabled CALL IOCLEAR source Clear the instrument and interface CALL sendhp RST Reset instrument and stop autotrig CALL sendhp CLS Clear event registers and error queue CALL sendhp SRE 0 Clear service request enable register CALL sendhp ESE 0 Clear event status enabl...

Страница 205: ... Max number of bytes per measurements char freq 23 Array to hold frequency string IORESET isc Clear the GPIB interface sendhp RST Reset the instrument sendhp CLS Clear event registers and error queue sendhp SRE 0 Clear service request enable register sendhp ESE 0 Clear event status enable register sendhp STAT PRES Preset enable registers and transition filters for operation and questionable status...

Страница 206: ... Hz n freq printf Press a key to continue n getch Sendhp CONF POW Set measurement function to Power Sendhp INIT IMM Sendhp READ IOENTERS ctr pow length length strlen pow freq length 1 0 printf Power s Hz n pow printf Press a key to continue n getch Sendhp CONF VOLT Set to measure Voltage Sendhp INIT IMM Sendhp READ IOENTERS ctr volt length length strlen volt freq length 1 0 printf Voltage s Hz n v...

Страница 207: ...re the phrase Sets or queries is used the command setting can be queried by omitting the parameter and appending a to the last command keyword For example ROSC SOUR INT EXT can be queried with ROSC SOUR Unless otherwise noted a command described as an event cannot be queried Unless otherwise noted the command setting is affected by SAV RCL The square brackets are used to indicate that the element ...

Страница 208: ...ssued while a single measurement is in progress the measurement is aborted and the pending operation flag is set false If ABORt is issued while repetitive measurements are being made INIT CONT ON the measurement in progress is aborted and the pending operation flag is set false Then a new measurement is automatically initiated and the pending operation flag is set true If ABORt is issued while a b...

Страница 209: ... Questionable ZERO ERROR 340 Data Questionable CAL ERROR RELATED FRONT PANEL KEYS Zero Cal COMMAND CALibration AUTO ONCE This command calibrates the Power Meter COMMENTS This command assumes that the power sensor is connected to a 1 mW reference signal The power meter should be zeroed before calibration using the CALibration ZERO AUTO ONCE command For the Keysight 8480 series power sensors the ref...

Страница 210: ... string Writes checksum and other control verification data relating to the calibration data numeric_value1 Year must be greater than or equal to 1997 numeric_value2 Month numeric_value3 Day COMMENTS The data entry form of this command requires CAL DATA SECurity to be ON This command should only be used after all calibration data have been entered If this command is not issued the instrument will ...

Страница 211: ...E numeric_value Changes or sets the CAL SECurity code COMMENTS CAL SEC STATE must be OFF This value is not stored or recalled by SAV RCL This value is not affected by RST RELATED FRONT PANEL KEYS None COMMAND CALibration DATA SECurity CODE QUERY RESPONSE This command returns the current numeric value of the CAL SECurity code RELATED FRONT PANEL KEYS None COMMAND CALibration DATA SECurity STATe Boo...

Страница 212: ... CALibration RCFactor numeric_value This command is used to correct all power measurements when the power calibration tables are set to OFF SENSe CORRection CSET STATe OFF COMMENTS The current numeric_value of CALibration RCFactor is altered if CALibration RCFactor is reissued with a new numeric_value or if the STORE key is pressed Pressing the STORE key sets CAL RCF to the frequency displayed on ...

Страница 213: ...S The command assumes that the power sensor is not connected to a power source Pressing the STORE key sets CAL RCF to the frequency displayed on the front panel display After RST automatic zeroing is disabled RELATED FRONT PANEL KEYS Shift Zero Shift Store COMMAND CALibration ZERO AUTO QUERY RESPONSE The query always returns a value of 0 If zeroing was not successful the error 340 Data Questionabl...

Страница 214: ...FF conserves battery power if the instrument has the Battery option If the instrument is operating from battery power Battery option required the display backlight is automatically turned off after a period of inactivity When activity is subsequently detected a measurable signal is applied a front panel key is pressed or a setting is changed by a command sent over the GPIB or the RS 232 interface ...

Страница 215: ...Programming 3 Keysight 53147A 148A 149A Operating and Programming Guide 215 This value is unaffected by SAV RCL RELATED FRONT PANEL KEYS None ...

Страница 216: ...488 1 interface function is implemented in the instrument This function permits the instrument to have its operation initiated over the Bus In response to the IEEE 488 1 Group Execute Trigger GET remote interface message while the instrument is addressed to listen the instrument performs the action defined by the DDT command see page 149 RELATED FRONT PANEL KEYS None ...

Страница 217: ...OMMENTS RST OFF The commencement of the first measurement due to setting INITiate CONTinuous to ON sets the Pending Operation Flag to true The Pending Operation Flag is set false by aborting a measurement or by the completion of the last measurement after INITiate CONTinuous is set OFF With the measurements being made continuously the ABORt command aborts the current measurement in progress howeve...

Страница 218: ...e measurement or a block of measurements COMMENT This command is an overlapped command see IEEE 488 2 Section 12 Beginning a measurement or block of measurements with an INITiate IMMediate sets the Pending Operation Flag to true Completing the measurement or block of measurements normally or by aborting sets Pending Operation Flag to false RELATED FRONT PANEL KEYS None ...

Страница 219: ...he characteristics of the instrument s input ports COMMAND INPut FILTer LPASs STATe Boolean Sets or queries the state of the Channel 1 low pass filter QUERY RESPONSE Single ASCII encoded byte 0 or 1 A value of 0 indicates OFF a value of 1 indicates ON COMMENT RST OFF RELATED FRONT PANEL KEYS Shift Menu CH1 LPF OFF ON ...

Страница 220: ...When more precise control of the measurement is required the CONFigure and READ commands can be used The CONFigure command is used to configure the instrument for the measurement to be taken and the READ command acquires the data performs any required post processing and then places the results in the Output Queue This allows you to configure the instrument generically using CONFigure and then to ...

Страница 221: ...ues are specified by the particular function description This command defaults several instrument settings To change the function only while leaving all other instrument settings as they are use SENS FUNC ON Table 3 13 Summary of the Measurement Instruction Commands Command Description MEASure query This command is the simplest to use but it allows little flexibility This command lets the instrume...

Страница 222: ...nction The response is unaffected by RST recall and SENS FUNC COMMENTS If the instrument state has changed through commands other than CONFigure or the MEASure query the instrument does not track these changes and the query response does not reflect these changes For POWer resolution must be defaulted or set to 0 01 dB If an expected_value parameter is outside the measurement capabilities of the i...

Страница 223: ...nctions Refer to Table 3 14 for a summary of the function parameters and source_list for each of the measurement functions COMMAND MEASure SCALar function parameters source_list This query provides a complete measurement sequence configuration measurement initiation and query for result COMMENTS This query is used when generic measurement is acceptable and fine adjustment of instrument settings is...

Страница 224: ...rogrammer is allowed to provide fine adjustments to the instrument state by issuing the corresponding commands between CONFigure and READ When SCALar function is specified the instrument retrieves the specified result if it matches the current measurement type or can be derived from the current measurement type When SCALar function is omitted the function specified used by the last CONFigure MEASu...

Страница 225: ...nd Programming Guide 225 See Descriptions of the Measurement Functions on page 226 for a description of each of the measurement functions Refer to Table 3 14 for a summary of the function parameters and source_list for each of the measurement functions ...

Страница 226: ...easure Instruction Commands function parameters source_list a a source_list uses the same syntax as SCPI channel _list FREQuency expected_value resolution 1 2 POWer AC expected_value resolution 3 VOLTage DC expected_value 4 expected_value Channel 1 range 10 Hz to 125 MHz MIN MAX DEF Channel 2 range 100 MHz to 20 GHz 53147A 26 5 GHz 53148A 46 GHz 53149A MIN MAX DEF default 100 MHz resolution descri...

Страница 227: ...ESCRIPTION default 2 response format NR1 expected_value range 40 to 10 dBm default 0 00 resolution 0 01 resolution description resolution is supported only for compatibility with other instruments values 0 01 dB MIN MAX DEF default 0 01 dB source_list description Specifies which front panel input is used for the measurement values DEF 3 default 3 response format NR2 Power values are returned in dB...

Страница 228: ...urement starts the measurement and queries the result The following example shows how to use the MEASure query to measure frequency Use MEASURE FREQ to execute a default frequency measurement and have the result sent to the controller The instrument selects settings and carries out the required measurement it automatically starts the measurement and sends the result to the controller You can add p...

Страница 229: ... starts the measurement and queries the result This sequence operates in the same way as the MEASure query but it allows you to insert commands between CONFigure and READ to specify a particular setting For example use CONF FREQ 5 GHZ 1HZ to configure a default frequency measurement where 1 Hz is the required resolution and 5 GHz is the expected value Use READ to start the measurement and query th...

Страница 230: ...ted NRf format number pairs The data point number pairs in the named profile are automatically sorted by frequency value before the profile is stored When a calibration table is in use the instrument uses the data points in the currently selected table to determine the amount of loss correction to apply If the measured frequency is between two defined data points the instrument uses the two define...

Страница 231: ...amed calibration table is discarded This is an event There is no query form of this command RELATED FRONT PANEL KEYS Shift Menu HEAD OFF 8481A 8481D 8482A 8485A 8487A CUST1 CUST2 CUST3 COMMAND MEMory NSTates Queries the Number of available SAV RCL STates in the instrument QUERY RESPONSE Numeric data transferred as ASCII bytes in NR1 format The value returned is 9 The response value is one greater ...

Страница 232: ... Averaging cannot be turned ON when the value of AVERage COUNt is one Attempting to turn averaging ON when AVERage COUNt 1 causes an error RELATED FRONT PANEL KEYS Avg COMMAND SENSe AVERage COUNt numeric_value Specifies the number of measurements to combine when AVERage STATe is ON RANGE The acceptable range for the numeric_value parameter is 1 to 99 COMMENT When averaging is ON some devices may a...

Страница 233: ...er calibration table applied COMMENTS RST OFF The power correction state is applied for the current session only To store the calibration table selection in non volatile memory issue a SAV command RELATED FRONT PANEL KEYS Shift Menu HEAD OFF 8481A 8481D 8482A 8485A 8487A CUST1 CUST2 CUST3 COMMAND SENSe DATA data handle Queries the current measurement result data of the SENSe subsystem Valid data h...

Страница 234: ...d to compute each measurement but increases the accuracy of FM signal measurements RELATED FRONT PANEL KEYS Shift Menu FM AUTO OFF COMMAND SENSe FREQuency OFFSet numeric_value frequency unit Sets a reference frequency for all other absolute frequency settings in the instrument RANGE The acceptable range for the numeric_value parameter is 0 to 50 GHz UNITS The offset frequency can be specified in H...

Страница 235: ...unit are 1 Hz 10 Hz 100 Hz 1 KHz 10 KHz 100 KHz and 1 MHz COMMENTS RST 1 Hz This command does not affect the unit multipliers of any measurement queries If no unit is specified the global frequency unit in effect is used RELATED FRONT PANEL KEYS Resol COMMAND SENSe FREQuency TRACking character_program_data Selects one of three signal tracking modes SLOW FAST OFF When TRACking is set to SLOW the in...

Страница 236: ...3 Programming 236 Keysight 53147A 148A 149A Operating and Programming Guide The FAST setting centers the IF in the IF bandwidth after each measurement to improve tracking RELATED FRONT PANEL KEYS None ...

Страница 237: ...default value s no channel specifier is returned in response If the channel specifier s are not set to default value s they are returned in the response with a single space separating the first channel specifier from the function name For example FREQ is returned for frequency on Channel 1 FREQ 2 is returned for frequency on Channel 2 COMMENTS RST FREQ 2 This command can be used to turn individual...

Страница 238: ...st channel specifier from the function name For example FREQ is returned for frequency on Channel 1 FREQ 2 is returned for frequency on Channel 2 The only functions that can be turned ON simultaneously are POW 2 and FREQ 2 COMMENTS RST FREQ 1 This command can be used to turn individual function s ON without affecting other functions If the optional channel specification is omitted from the sensor_...

Страница 239: ...f power measurements It is intended for use as a measurement offset so that a measurement can be referenced to a known value RANGE 50 dBm to 10 dBm UNITS dB dBm COMMENT RST 0 RELATED FRONT PANEL KEYS Shift Pwr Offset COMMAND SENSe POWer AC REFerence STATe Boolean Determines whether amplitude is measured in absolute or relative mode If STATe is ON amplitude is referenced to the value set in REFeren...

Страница 240: ...r panel of the instrument Reference connector is the reference timebase The instrument does not switch to EXTernal unless a suitable 1 2 5 or 10 MHz signal is present on the Reference connector on the back panel Execution of the command that is explicitly selecting internal or external timebase sets SENS ROSC SOUR AUTO to OFF If this is set to EXT and no valid external signal is available at the b...

Страница 241: ...his subtree allow you to control and monitor these registers See the sections titled Operation Status Register Group and Questionable Data Status Register Group on pages 184 and 186 for a detailed description of the Operation Status Register Group Figure 3 18 The Operation Status Register Group COMMAND STATus OPERation CONDition Queries the status of the Operation Condition Status Register QUERY R...

Страница 242: ...sed in base 2 binary represent the bit values of the Operation Event Status Enable Register The value of unused bits is zero when queried and is ignored when set This register is used to enable a single or inclusive OR group of Operation Event Status Register events to be summarized in the Status Byte Register bit 7 At power on and STAT PRES the Operation Event Status Enable Register is cleared va...

Страница 243: ... non decimal numeric NRf Sets or queries the negative transition filter for the Operation status reporting structure RANGE The range of the non decimal numeric or NRf parameter is 0 to 32 767 QUERY RESPONSE Numeric data transferred as ASCII bytes in NR1 format COMMENTS The parameter and the query response value when rounded to an integer value and expressed in base 2 binary represent the bit value...

Страница 244: ...ero when queried and is ignored when set A TRUE bit in the positive transition filter specifies that a positive FALSE to TRUE transition of the corresponding bit in the Operation Condition Status Register generates the corresponding event in the Operation Event Status Register At power on and STAT PRES the positive transition filter is preset such that each bit is a 1 TRUE This value is unaffected...

Страница 245: ...ster Group on pages 184 and 186 for a detailed description of the Questionable Data Signal Status Register Group Figure 3 19 The Questionable Data Signal Status Register Group COMMAND STATus QUEStionable CONDition Queries the status of the Questionable Data Condition Status Register QUERY RESPONSE Numeric data transferred as ASCII bytes in NR1 format Range is 0 to 32 767 The query response value i...

Страница 246: ...atus Register events to be summarized in the Status Byte Register bit 3 At power on and STAT PRES the Questionable Data Event Status Enable Register is cleared value is 0 This value is unaffected by RST CLS and SAV RCL RELATED FRONT PANEL KEYS None COMMAND STATus QUEStionable EVENt Queries the status of the Questionable Data Event Status Register QUERY RESPONSE Numeric data transferred as ASCII by...

Страница 247: ...The event bits once set are sticky i e they cannot be cleared until they are read even if they do not reflect the current status of a related condition The Questionable Data Event Status Register is cleared by CLS by STAT QUES EVEN and at power on RELATED FRONT PANEL KEYS None ...

Страница 248: ... RCL The SYSTem COMMunicate SERial TRANsmit subtree controls parameters associated with transmission The instrument always uses eight data bits one stop bit and no parity COMMAND SYSTem COMMunicate GPIB SELF ADDRess numeric_value Sets the GPIB address that the instrument uses REPLY FORMAT NR1 COMMENTS The range for numeric_value is 0 through 30 The default setting is address 19 This value is unaff...

Страница 249: ...iption The error_number is an integer in the range 32768 32767 The negative error numbers are defined by the SCPI standard positive error numbers are particular to this instrument An error number value of zero indicates that the Error Queue is empty The maximum length of the error_description is 255 characters COMMENTS The queue is cleared emptied on CLS power on or upon reading the last error fro...

Страница 250: ...mming Guide QUERY RESPONSE Numeric data transferred as ASCII bytes in NR2 format The response is an NR2 formatted numeric value which has the form YYYY V where YYYY represents the year and V represents an approved version for that year RELATED FRONT PANEL KEYS None ...

Страница 251: ...ollows NUMERIC_ VALUE RATE 0 0 FAST 0 5 MEDium 1 0 SLOW COMMENTS RST 0 0 The only settings that are accepted are the three listed above The measurement rate is also affected by the Resolution setting When INIT CONT is OFF the holdoff has no effect There is no setting for this command that corresponds to the front panel rate setting of HOLD The HOLD mode is entered through RST or INIT CONT OFF The ...

Страница 252: ...am_data The UNIT subsystem sets the Power Meter measurement units to Watts and linear or dBm and dB logarithmic COMMENT The UNIT POWer and UNIT POWer RATio commands are coupled Therefore if UNIT POWer is set to DBM then UNIT POWer RATio is dB UNIT POWer is set to W then UNIT POWer RATio is RELATED FRONT PANEL KEYS Shift dBm W ...

Страница 253: ...ster and Questionable Data Event Status Register and clears the Error Queue COMMENTS The CLS command does not clear data memories or any other settings CLS places the instrument in Operation Complete Idle State and Operation Complete Query Idle State IEEE 488 2 This results in the disabling of any prior OPC command If CLS immediately follows a program message terminator the output queue and the MA...

Страница 254: ...trary block is specified as the parameter the instrument does nothing when it receives a GET or TRG command RELATED FRONT PANEL KEYS None ESE Standard Event Status Enable Command ESE Standard Event Status Enable Query COMMAND ESE NRf non decimal numeric ESE Sets or queries the Standard Event Status Enable Register shown in Figure 3 20 The parameter and query response value when rounded to an integ...

Страница 255: ... may be entered as decimal hexadecimal octal or binary numbers RELATED FRONT PANEL KEYS None ESR Event Status Register Query COMMAND ESR Queries the Standard Event Status Register shown in Figure 3 21 This event register captures changes in conditions by having each event bit correspond to a specific condition in the instrument An event becomes TRUE when the associated condition makes the defined ...

Страница 256: ...nse is an integer formed by the binary weighting of the bits The value of any unused bit is zero IDN Identification Query COMMAND IDN Queries the instrument identification QUERY RESPONSE A sequence of ASCII encoded bytes KEYSIGHT Model Number Serial Number Firmware ID COMMENTS This query should be the last query in a terminated program message if it is not the last query an error 440 is generated ...

Страница 257: ...e OPC bit bit 0 in the Standard Event Status Register to be set when a triggered action is complete See the section titled Standard Event Status Register on page 178 for a detailed description of the Standard Event Status Register s Operation Complete bit This event command is disabled by CLS RST power on or upon the transition of the measurement cycle from measuring to idle This event command has...

Страница 258: ...ommand on page 197 for an example that uses this command QUERY RESPONSE Single ASCII encoded byte 1 RELATED FRONT PANEL KEYS None PRE Parallel Poll Enable Register PRE Parallel Poll Enable Register Query COMMAND PRE NRf PRE Sets or queries the value of the parallel poll enable register QUERY RESPONSE NRf RANGE 0 255 COMMENTS The parallel poll enable register is eight bits wide and has the same bit...

Страница 259: ...to 8 NRF RESOLUTION 1 RELATED FRONT PANEL KEYS Shift Menu RECALL 0 through 8 RST Reset Command COMMAND RST This event command performs an instrument reset The reset performs the following sets instrument settings to their RST states and places the instrument in Operation Complete Idle State and Operation Complete Query Idle State COMMENTS See the section titled RST Response on page 149 for a compl...

Страница 260: ...ITiate CONTinous SENSe AVERage STATe SENSe AVERage COUNt SENSe CORRection CSET SELect SENSe CORRection CSET STATe SENSe FILTer FM AUTO SENSe FREQuency OFFset STATe SENSe FREQuency RESolution SENSe FREQuency TRACking SENSe FUNCtion ON SENSe POWer AC REFerence SENSe POWer AC REFerence STATe SENSe ROSCillator SOURce TRIGger SEQuence HOLDoff DDT The following front panel settings are saved these setti...

Страница 261: ...is used to enable a single or inclusive OR group of Status Byte Register events to generate an SRQ Figure 3 22 The Service Request Enable Register See the section titled Status Byte Register and Service Request Enable Register starting on page 175 for a detailed description of the Service Request Enable Register NRF RANGE 0 to 255 The value of bit 6 is ignored NRF RESOLUTION 1 QUERY RESPONSE Numer...

Страница 262: ...ation of SRQ Figure 3 23 The Status Byte Register See the section titled Status Byte Register and Service Request Enable Register starting on page 175 for a detailed description of the Status Byte Register QUERY RESPONSE Numeric data transferred as ASCII bytes in NR1 format Range is 0 to 255 The response value when rounded to an integer value and expressed in base 2 binary represents the bit value...

Страница 263: ...ute Trigger GET interface message page 216 and has exactly the same effect The TRG command performs the action defined by the DDT command page 149 RELATED FRONT PANEL KEYS None TST Self Test Query COMMAND TST This query causes an internal self test the response indicates whether any errors were detected When the self test fails error 330 is generated and other messages indicating specific failures...

Страница 264: ...sed 2 Band 2 RF Threshold 21 Front Panel Hardware 3 Band 2 IF Through Threshold 22 GPIB 4 Band 2 IF Heterodyne Threshold 23 EEPROM Instrument Configuration Data 5 Heterodyne Path 24 EEPROM Service Data 6 Through Path 25 EEPROM Saved User Settings Data 7 VCO 26 EEPROM Power Calibration Data 8 Counter Control FPGA 27 EEPROM Write 9 Power Measurement Hardware 28 EEPROM Power Correction Data 10 15 Unu...

Страница 265: ...s command prevents the instrument from executing any further commands or queries until all pending operations are complete The only way to cancel this holdoff is by device clear power on RST or CLS See the section titled Using the WAI Command on page 196 for an example that uses this command RELATED FRONT PANEL KEYS None ...

Страница 266: ...rd Event Status Register see the section titled Standard Event Status Register Group on page 178 The following short program reads all errors one at a time oldest to newest from the error queue As each error is read it is automatically erased from the error queue When the error queue becomes empty that is when all errors have been read from the queue further queries return the 0 No error response ...

Страница 267: ...ue overflow Any time the queue overflows the least recent errors remain in the queue and the most recent error is discarded The length of the Instrument s error queue is 10 9 positions for the error messages and 1 position for the Queue overflow error Reading an error from the head of the queue removes that error from the queue and opens a position at the tail of the queue for a new error if one i...

Страница 268: ... Command Error An error number in the range 100 to 199 indicates that an IEEE 488 2 syntax error was detected by the instrument s parser The occurrence of any error in this class causes the command error bit bit 5 in the Event Status Register to be set This happens when one of the following occurs An IEEE 488 2 syntax error is detected by the instrument s parser That is a controller to instrument ...

Страница 269: ...strument as outside of its legal input range or is otherwise inconsistent with the instrument s capabilities A valid program message could not be properly executed due to some instrument condition Execution errors are reported by the instrument after rounding and expression evaluation operations have been taken place Rounding a numeric data element for example is not reported as an execution error...

Страница 270: ...ange protocol The occurrence of any error in this class causes the query error bit bit 2 in the Event Status Register to be set This means that one of the following conditions exists An attempt is being made to read data from the output queue when no output is either present or pending Data in the output queue was lost Error List Table 3 17 lists and describes the error messages generated by the K...

Страница 271: ...s detected in the header A character that is not a legal header separator was encountered while parsing the header 112 113 114 120 121 123 124 128 130 Program mnemonic too long Undefined header Header suffix out of range Numeric data error Invalid character in number Exponent too large Too many digits Numeric data not allowed Suffix error The header or character data element contains more than twe...

Страница 272: ... string data element was encountered but was not allowed by the instrument at this point in parsing 160 161 168 170 171 178 181 200 210 Block data error Invalid block data Block data not allowed Expression error Invalid expression Expression data not allowed Invalid outside macro definition Execution error Trigger error This error can be generated when parsing a block data element This particular ...

Страница 273: ...le New measurement started but not completed Indicates that a legal program command or query could not be executed because of a hardware problem in the instrument 241 300 310 321 330 340 350 400 410 Hardware missing Device specific error System error Out of memory Self test failed Queue overflow Query error Query INTERRUPTED Data Qestionable ZERO ERROR CAL ERROR Queue Overflow Query error Query IN...

Страница 274: ...ple the instrument was addressed to talk and an incomplete program message was received Indicates that a condition causing a DEADLOCKED Query error occurred For example both input buffer and output buffer are full and the instrument cannot continue Indicates that a query was received in the same program message after a query requesting an indefinite response for example IDN or OPT was executed Tab...

Страница 275: ... Meter DVM Operating and Programming Guide 277 4 Specifications For the specifications and characteristics of the 53147A 148A 149A Microwave Frequency Counter Power Meter DVM refer to the datasheet at http literature cdn keysight com litweb pdf 5988 0300EN pdf ...

Страница 276: ...4 Specifications 278 Keysight 53147A 148A 149A Operating and Programming Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 277: ...Keysight 53147A 148A 149A Microwave Frequency Counter Power Meter DVM Operating and Programming Guide 279 A Rack Mounting the Instrument Rack Mounting the Instrument 280 ...

Страница 278: ...of the front bumper retainers to the top and bottom of the instrument there are four front bumper retainers two each on the top and bottom NOTE Unlike the hardware used elsewhere in this instrument all hardware used to attach the handle pivots and the rack mounts to the instrument is metric OPTIONS 001 OvenTime Base 002 Battery Main Power In or Out Reference 10 MHz Auxiliary AC POWER 90 130VAC 50 ...

Страница 279: ... 281 5 Position the rack mount panel 53147 60211 on the front of the instrument so that the four holes in the top and bottom of the rack mount panel are aligned with the four threaded holes in the top and bottom of the instrument the holes that were used to mount the front bumper retainers ...

Страница 280: ...time 7 Insert the six 10mm long 4 mm x 7 pan head Torx screws 1 supplied in the Rack Mount Kit through the holes in the side flanges of the rack mount panel and tighten them fully 8 Tighten the eight screws you inserted in Step 6 9 Place the four Nylon washers supplied in the Rack Mount Kit over the four 10 32 screws 3 4 10 Inspect the holes in the rack to determine if they are threaded If the hol...

Страница 281: ...10 32 screws with the Nylon washer on it 3 4 through one of the upper holes in the rack mount panel into the threaded hole in the rack or into the U nut you installed in Step 11 if the hole is not threaded 13 Repeat the procedure in Step 12 for the remaining upper rack mount hole and the two lower rack mount holes 14 Tighten all four rack mount screws 15 Connect the power cord to the Main Power in...

Страница 282: ...A Rack Mounting the Instrument 284 Keysight 53147A 148A 149A Operating and Programming Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 283: ...Keysight 53147A 148A 149A Microwave Frequency Counter Power Meter DVM Operating and Programming Guide 285 B Messages Overview 286 Status Messages 287 Self Test Messages 288 Error Messages 289 ...

Страница 284: ...status messages which are displayed during normal operation The second type is error messages which are sent via RS 232 and or displayed when the instrument detects an error during the Self Test procedure or during normal operation NOTE All messages sent over the RS 232 interface are also available via GPIB However these messages are not automatically sent over the GPIB interface For information o...

Страница 285: ...ent AVERAGING The instrument is taking measurements and computing the number of averages determined by the Averages setting CH 1 NO SIGNAL CH 2 NO SIGNAL The instrument is operational but no signal can be detected on the selected input CHANNEL 1 CHANNEL 2 Identifies the currently selected channel after you press the Chan Select key to switch channels CHANNEL 1 or CHANNEL 2 is displayed until the C...

Страница 286: ...ests completed with no errors detected EEPROM FAIL CONFIGURATION DATA The configuration data saved in EEPROM memory is defective ROM FAIL Computed checkbyte does not match the value stored in EEPROM The checksum of the ROM data does not match the value stored in EEPROM EEPROM FAIL CONFIGURATION DATA Needs to be re initialized The EEPROM org code does not verify with current revision of ROM code EE...

Страница 287: ...ly is not within specifications 12V FAIL X X The 12 VDC output from the power supply is not within specifications 5V FAIL X X The 5 VDC output from the power supply is not within specifications ADC FAIL X X A failure was detected in the ADC B1 SIGNAL PATH FAIL X A failure was detected in the Channel 1 signal path PATH FAIL X B1 THRESHOLD FAIL X A failure was detected in the Channel 1 threshold cir...

Страница 288: ...X The instrument s internal temperature is above the acceptable limit OVERTEMP X PWR CAL FAIL X X The instrument s power calibration data is missing or has become corrupted POWER METER FAIL X A failure was detected in the Channel 2 power measurement circuit PWR CKT FAIL X RAM FAIL X X A failure was detected in RAM ROM FAIL X X A failure was detected in ROM SAV SET FAIL X X One or more of the sets ...

Страница 289: ...er Meter DVM Operating and Programming Guide 291 C Using the Battery Option Overview 292 Operating the Instrument from the Batteries 292 Operating the Instrument from a DC Power Source 294 Replacing the Batteries 295 Charging the Batteries 298 Precautions 299 ...

Страница 290: ...ndby the battery annunciator in the lower right corner of the front panel display see Figure C 1 indicates the approximate charge level remaining in the batteries This allows you to estimate the amount of time you can continue to operate from battery power before recharging the batteries or replacing them with fully charged batteries Figure C 1 Battery Charge Level Indicator When all three segment...

Страница 291: ...VDC or less is at or near the minimum effective charge level NOTE Operating the instrument with the display backlight turned off lengthens the time the instrument can operate from the batteries When operating from battery power the instrument automatically turns the backlight off after five minutes if no front panel keys are pushed no GPIB commands are received no power sensor head is connected an...

Страница 292: ...sert the coaxial plug into the EXT DC connector on the back panel see Figure C 2 and turn the instrument on by setting the Battery switch to 1 and then pressing the POWER button on the front panel in the normal manner Figure C 2 External DC Power Connector OPTIONS 001 OvenTime Base 002 Battery Main Power In or Out Reference 10 MHz Auxiliary AC POWER 90 130 VAC 50 60 400 Hz 190 230VAC 50 60 Hz FUSE...

Страница 293: ...completely out of the threaded holes in the back panel see Figure C 3 3 Slide the battery sled out the back of the instrument 4 Lift the terminal end of either or both batteries up out of the battery sled and then pull the battery ies out of the sled NOTE The thumbscrews require a considerable amount of turning force since they pull the battery sled partially out of the instrument and also extract...

Страница 294: ... have not previously removed the battery sled from the instrument and the batteries from the sled do so now see Removing the Batteries on the previous page 2 Position the battery sled so that the back taller end is to your left as shown in Figure C 3 Figure C 3 Removing and Installing Batteries 1 Thumbscrews 4 Battery chamber 2 Batteries 5 Battery sled 3 Battery terminals 1 2 3 3 4 5 ...

Страница 295: ... holes in the instrument s back panel turn the thumbscrews clockwise You may have to push against the back end of the battery sled to insert it far enough for the thumb screws to contact the back panel 6 Tighten the two thumb screws on the battery sled until both thumbscrews are fully hand tight and the back cover of the battery sled is flush against the instrument s back panel NOTE The batteries ...

Страница 296: ...The amount of time required to fully charge the batteries is dependent on several factors including the current charge level the condition of the batteries the ambient temperature and the power source used for charging In general it takes approximately eight hours to charge two batteries inside the instrument The Keysight part numbers for the batteries are provided in the section titled Accessorie...

Страница 297: ...ts them from operating outside of this temperature range Charge the batteries only with a charger intended for this type of battery or inside the instrument Do not allow the battery terminals to contact any conductive surfaces Avoid discharging the batteries completely Recharge the batteries as soon as possible after use Handle the batteries carefully to avoid internal damage and or damage to the ...

Страница 298: ...C Using the Battery Option 300 Keysight 53147A 148A 149A Operating and Programming Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 299: ...CFactor 136 143 213 SYSTem COMMunicate SERial 138 ROSCillator SOURce 138 241 ROSCillator Subtree 241 SECurity 143 212 213 SYSTem COMMunicate GPIB 138 249 234 238 241 STATe 143 STATe 213 STATus OPERation CONDition 242 ENABle 243 NTRansition 244 PTRansition 245 PRESet 245 QUEStionable CONDition 246 ENABle 247 QUEStionable Subtree 246 STATus subsystem 150 SYSTem COMMunicate SERial BAUD 249 ERRor 250 ...

Страница 300: ... On 36 87 B BACKground 136 215 backlight 43 BATT VOLTAGE 114 batteries 120 295 battery annunciator 292 battery chamber 297 Battery Option 120 battery voltage 120 battery voltage level 114 Battery option 33 37 50 114 292 294 295 BATT VOLTAGE 115 batteries 295 battery chamber 297 battery charge level annunciator 292 Battery charge level indicator 37 battery sled 295 296 Battery Voltage 46 conserving...

Страница 301: ...e 143 Define Device Trigger Command 140 Define Device Trigger Query 140 DISPlay 143 Event Status Register Query 140 256 FETCh 143 Identification Query 140 INITiate 143 INPut 144 Instrument Status 258 Instrument Status Query 140 Operation Complete 140 Operation Complete Command 258 Operation Complete Query 141 259 Parallel Poll Enable Register 141 259 Parallel Poll Enable Register Query 141 Recall ...

Страница 302: ...ce specific error 274 device specific error status bit 180 difference 89 109 difference in frequency 90 DISPlay 143 215 Display left pointer 38 Menu 38 right pointer 38 Special characters 38 display 143 enable 215 Display backlight 77 Display Backlight On Off 119 Display Backlight On Off On Off key 119 display backlight On Off key 77 Display DVM 65 70 78 79 Display DVM key 65 70 78 Display Power 7...

Страница 303: ...uency difference 89 frequency drift 89 Frequency Modulation 73 118 frequency modulation 114 235 Frequency Modulation FM 118 Frequency Offset 52 90 Frequency Offset FREQ Offset On Off key 119 Frequency Offset Example 90 Frequency Offset function 90 Frequency offset measurement 77 frequency ratio 238 239 frequency unit 145 frequency values 145 frequency offset display 90 Front Panel Annunciators 36 ...

Страница 304: ...rnal 113 internal 10 MHz reference oscillator 116 internal Reference Oscillator 70 internal reference oscillator 116 internal timebase 70 114 Invalid block data 273 Invalid character 272 Invalid character data 273 Invalid character in number 272 Invalid expression 273 Invalid outside macro definition 273 Invalid separator 272 Invalid string data 273 Invalid suffix 273 K Keysight 53131A 132A SCPI S...

Страница 305: ... 90 Offsetting a Power Measurement 59 110 ON 73 On Off Clear key 43 On Off key 119 OPC 179 operating modes 71 Operating the Counter from a DC Power Source 294 Operating the Counter from the Batteries 292 OPERation 147 242 243 244 Operation acknowledging messages 75 changing states 73 displaying the Menu 44 function selection keys 76 measuring frequency 49 80 measuring power 54 measuring relative f...

Страница 306: ... Selection 121 Power measurement 36 power measurement 93 94 Power Measurement Example 94 Power Measurement Units dBm W key 119 Power Meter Head Model 118 Power Meter LED 33 Power Meter Sensor 54 Power Offset 59 119 Power Offset POWER Offset On Off key 119 Power Offset Example 110 Power Offset function 59 110 POWER Offset On Off key 119 power on status bit 181 Power Reference 117 Power Reference Si...

Страница 307: ...Documents 23 Relative Frequency 119 Relative Frequency Rel Freq key 119 Relative Frequency function 89 Relative Power 58 59 119 Relative Power Rel Pwr key 119 Relative Power Example 109 Relative Power function 109 remote 151 Removing the Batteries 295 repackaging 25 Replacing the Batteries 295 Reset 141 reset 260 Reset Command 260 Reset Local key 46 70 84 85 88 Resol 70 Resol key 73 76 83 118 RESo...

Страница 308: ...aud Rate 47 73 Service Repackaging for Shipment 25 Service Request Enable 141 Service Request Enable Command 262 Service Request Enable Query 141 262 Service Request Enable Register 178 262 Service Request Enable register 141 service request enable register 178 Setting the Measurement Rate 61 84 Setting the Number of Averages 86 Setting the Power Head Model Number 40 Setting the Resolution 82 Sett...

Страница 309: ...or 269 SYSTem 138 148 249 COMMunicate SERial TRANsmit subtree 249 Communicate Subtree 249 ERRor command 267 System error 274 T TESTING 80 287 tests 46 120 time interval 238 239 Too many digits 272 Too much data 274 totalize 238 239 TRACking 145 236 Transition Filter 183 transition filter 245 TRIGger 136 148 252 253 Trigger 141 trigger device 255 Trigger Command 264 trigger command 264 Trigger erro...

Страница 310: ...312 Keysight 53147A 148A 149A Operating and Programming Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 311: ...n is subject to change without notice Always refer to the Keysight website for the latest revision Keysight Technologies 2001 2017 Edition 3 November 1 2017 Printed in Malaysia 53147 90009 53147 90009 www keysight com ...

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