Tektronix VX4101A

Appendix D: Counter Architecture

D–2 VX4101A MultiPaq Instrument User Manual

Contents

Main Page WARRANTY Page Table of Contents Getting Started Operating Basics Syntax and Commands Table of Contents VX4101A MultiPaq Instrument User Manual iii SCPI Commands for the Digital Input 3115. . . . . . . . . . . . . . . . . . . . . . . . . SCPI Commands for the Digital Output 3147. . . . . . . . . . . . . . . . . . . . . . . . SCPI Commands for the Digital to Analog Converter 3169. . . . . . . . . . . . Status and Events Status and Event Reporting System 41. . . . . . . . . . . . . . . . . . . . . . . . . . . Appendices Glossary and Index List of Figures List of Tables Page Page Page General Safety Summary To Avoid Fire or Personal Injury Symbols and Terms Service Safety Summary Page Preface Conventions Page Page Page Product Description VX4101A Description Features Performance Options About the Universal Counter About the Digital Input and Output Modules About the Digital Multimeter (DMM) About the Digital to Analog Converter About the Relay Drivers About the SurePatht Modules Page Power-On Sequence Physical Description Controls and Indicators LEDs Front Panel Connectors Fuses IEEE-488 Address Self-Test VX4101A MultiPaqt Instrument Self-Test Page Product Description 112 VX4101A MultiPaq Instrument User Manual Accessories Table 13: Optional Accessories Performance Options About the VXIplug&play Software Using the VXI plug&play Software Installation Installing the Module in the Mainframe Tools Required Requirements and Cautions Module Installation Procedure Installing the VXIplug&play Software About the Device Drivers Installation Procedure Driver Files Page Page Page Powering-On the VX4101A Preparing the Instrument to Receive Commands Installation VX4101A MultiPaq Instrument User Manual 123 Table 16: Commands Available at Power-On (Cont.) Installation 124 VX4101A MultiPaq Instrument User Manual Table 16: Commands Available at Power-On (Cont.) SYSFAIL* Operation Functional Check Self-Test Operational Check Page Option 1D Operational Check Page Installation Checklist Page Page About Global and Instrument Commands About Global Commands About Instrument Commands Page VX4101A Operational Modes About Synchronous Mode About Asynchronous Mode Asynchronous Mode Commands Asynchronous Query Responses Sequence Name Format Sequence Number Format Page Page About Instrument Triggering Trigger Sources About Instrument Triggering 210 VX4101A MultiPaq Instrument User Manual Table 21: VX4101A Global Trigger Sources (Cont.) Table 22: VX4101A Counter-Specific Trigger Sources VX4101A Trigger Architecture Additional Instrument-Specific Trigger Sources About Instrument Triggering 212 VX4101A MultiPaq Instrument User Manual ARM:STARt Sources for Counter ARM:STOP Sources for Counter VX4101A Trigger Output Sources SurePath Trigger Sources DMM, DAC, Digital Input, and Digital Output Trigger Sources About Fast Data Channel (FDC) Operation About FDC The FDC Process Page Establishing a Communications Session Opening and Configuring an FDC Transferring Data Via the FDC Channel FDC Operation with the DMM and DAC Closing the FDC Channel Terminating the Instrument Session FDC SCPI Commands About Physical and Logical Channels FDC Example Establishing a Communications Session Configuring the FDC Channel Other Attributes Opening the FDC Channel Transferring Data Closing the FDC Channels Terminating the Communication Session Page Using the VX4101A MultiPaqt Instrument Using Asynchronous Mode Starting Sequence Number Page Page Page Using the Counter Measuring Frequency Measuring Time Interval Measuring Rise Time Measuring Time Interval with Delay Page Page Using the Digital Input Start-Up Shared Pin Assignments with Digital Output Digital Output Source About Triggering Programming the Digital Input Reading Current Input Reading Points Using the External Handshake Feature Page Using the Digital Output Outputing One 32-Bit Word Outputing a Sequence Page Using the Digital Multimeter MEASure and CONFigure Commands Selecting the Input Impedance About Low Level DC Measurements About Power Line Noise and Common Mode Rejection Making a DC Volt Measurement Making AC Volt Measurements Making a 2-Wire Resistance Measurement Making a Current Measurement Using the Digital to Analog Converter (DAC) Key Concepts Generating Continuous and Multiple Waveforms DAC Trigger Modes Using the Internal Clock DAC Channel Common Functions Page Generating Repetitive Waveforms Reading a Trace from the DAC in Binary Using the Sample Handshake Mechanism Programming a Trace with a Numeric Array List Page Using the Relay Drivers Opening and Closing Relays Page Using the SurePatht Modules SurePatht Module Closing a Relay Page Page Page Command Syntax About Protocol and Syntax Page SCPI/IEEE 488.2 Command Elements Page SCPI Commands for the VX4101A ABORt Subsystem SOURce Subsystem SYStem Subsystem ABORt Subsystem Page Page Page Page Page Page Page Page SOURce Subsystem Page SYSTem Subsystem Page Page Page SCPI Commands for the VX4101A 322 VX4101A MultiPaq Instrument User Manual Table 31: Commands Available at Power-On (Cont.) Page Page Page Page Page Page SCPI Commands for the Counter ARM Subsystem CALCulate Subsystem Page FETCh? Subsystem INPut Subsystem MEASure? Subsystem Page Page ARM Subsystem SOURce Subsystem UNIT Subsystem Page Page Page VX4101A MultiPaq Instrument User Manual 341 342 VX4101A MultiPaq Instrument User Manual ARM ([:SEQuence1] |:STARt) [:LAYer]:DELay <delay in seconds> ARM ([:SEQuence1] |:STARt) [:LAYer]:ECOunt VX4101A MultiPaq Instrument User Manual 343 ARM ([:SEQuence1] |:STARt) [:LAYer]:IMMediate ARM ([:SEQuence1] |:STARt) [:LAYer]:LEV el ARM ([:SEQuence1] |:STARt) [:LAYer]:MODE 344 VX4101A MultiPaq Instrument User Manual Page 346 VX4101A MultiPaq Instrument User Manual ARM (:SEQuence2 |:STOP) [:LAYer]:IMMediate ARM (:SEQuence2 |:STOP) [:LAYer]:SOURce:CATalog:ALL ARM(:SEQuence2|:STOP)[:LAYer]:SOURce:CATalog[:ALL]? CALCulate Subsystem Page Page Page VX4101A MultiPaq Instrument User Manual 351 352 VX4101A MultiPaq Instrument User Manual VX4101A MultiPaq Instrument User Manual 353 354 VX4101A MultiPaq Instrument User Manual CALCulate:AVERage?[<count>[,<offset>[,<step_size>]]] CALCulate:LIMit:ENVelope[:DATA] Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page INPut Subsystem Page 380 VX4101A MultiPaq Instrument User Manual Page Page Page Page Page Page Page Page Page Page MEASure? Subsystem Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page SOURce Subsystem STATus Subsystem Page 3112 VX4101A MultiPaq Instrument User Manual Page UNIT Subsystem SCPI Commands for the Digital Input CALibration Subsystem FETch? Subsystem MEASure Subsystem Page STATus Subsystem CALibration Subsystem Page Page Page Page Page Page Page Page MEASure Subsystem Page Page Page Page Resolution Page VX4101A MultiPaq Instrument User Manual 3135 SENSe:ARRay SENSe:PSELect:DIGLobal SENSe:PSELect:DIPort SENSe:PSELect:DIBit Page Page Page Page Page Page Page VX4101A MultiPaq Instrument User Manual 3143 TRIGger:MASK <mask> TRIGger ([:SEQuence1] |:STARt)[:LAYer]:ECOunt 3144 VX4101A MultiPaq Instrument User Manual VX4101A MultiPaq Instrument User Manual 3145 TRIGger([:SEQuence1]|:STARt)[:LAYer]:SOURce:CATalog:DELayable? TRIGger([:SEQuence1] |:STARt)[:LAYer]:SOURce:CATalog:FIXed? Page SCPI Commands for the Digital Output TRACe Subsystem Page Page Page Page Page Page Page Page TRACe Subsystem Page Page Page VX4101A MultiPaq Instrument User Manual 3161 TRACe [:DATA]<numeric_list>{,<data_values>} TRACe:INDice? Page Page Page Page 3166 VX4101A MultiPaq Instrument User Manual TRIGger ([:SEQuence1] |:STARt)[:LAYer]:ECOunt VX4101A MultiPaq Instrument User Manual 3167 Page SCPI Commands for the Digital to Analog Converter TRACe Subsystem VXI:FDC Subsystem Page Page Page Page Page Page Page Page TRACe Subsystem Page Resolution Page Page Page Page Page Page Page Page SCPI Commands for the Digital to Analog Converter VX4101A MultiPaq Instrument User Manual 3191 TRIGger ([:SEQuence1] |:STARt)[:LAYer]:ECOunt SCPI Commands for the Digital to Analog Converter 3192 VX4101A MultiPaq Instrument User Manual TRIGger([:SEQuence1]|:STARt)[:LAYer]:SOURce:CATalog:DELayable? VXI:FDC Subsystem Page Page Page SCPI Commands for the Relay Drivers ROUTe Subsystem Page Page Page SCPI Commands for the Digital Multimeter CALCulate Subsystem FETCh? Subsystem INPut Subsystem MEASure? Subsystem Page VXI:FDC Subsystem CALCulate Subsystem Page Page Page Page Page Page Page Page Page Page Page Page Page Page VX4101A MultiPaq Instrument User Manual 3221 Page Page Page Page Page Page INPut Subsystem Page Page MEASure? Subsystem Page Page Page Page Page Page Page Page Page Formats Page Page Page Page 3246 VX4101A MultiPaq Instrument User Manual Page 3248 VX4101A MultiPaq Instrument User Manual Page Page Page Page VX4101A MultiPaq Instrument User Manual 3253 TRIGger ([:SEQuence1] |:STARt)[:LAYer]:ECOunt 3254 VX4101A MultiPaq Instrument User Manual VXI:FDC Subsystem Page Page Page SCPI Commands for the SurePath Modules Page Page Page Page ROUTe Subsystem Page Page Page Page Page 3270 VX4101A MultiPaq Instrument User Manual Page Page Page Page Page Page Page Page VX4101A MultiPaq Instrument User Manual 3279 Page Page Page VX4101A MultiPaq Instrument User Manual 3283 [ROUTe:]OPEN:ALL [ROUTe:]OPEN:DWELl Page VX4101A MultiPaq Instrument User Manual 3285 [ROUTe:]SCAN:RATE STATus Subsystem Page Page Page Page VX4101A MultiPaq Instrument User Manual 3291 TRIGger([: SEQuence1] |:STARt) [:LAYer]:IMMediate Page IEEE-488.2 Common Commands *CLS *ESE *ESR *IDN? *OPC *RST Page IEEE-488.2 Common Commands VX4101A MultiPaq Instrument User Manual 3299 Table 316: Table 317: Digital Input Settings Table 318: Digital Output Settings Page *SRE *STB? *TRG *TST? *WAI Page Page Page Page Status and Event Reporting System Status and Event Reporting System 42 VX4101A MultiPaq Instrument User Manual Figure 41: VX4101A Standard Registers Status and Event Reporting System VX4101A MultiPaq Instrument User Manual 43 Figure 42: Instrument Operational Status Registers Table 41: Page Page Page STATus and Event Commands STATus Subsystem IEEE 488.2 Commands STATus STATus : OPERation : ENABle STATus : OPERation [:EVENt]? STATus : OPERation : NTRansition STATus : OPERation : PTRansition STATus : QUEue : ENABle <numeric list> STATus : QUEue [:NEXT]? STATus : QUEStionable [:EVENt]? STATus : QUEStionable : CONDition? STATus : QUEStionable : ENABle STATus : QUEStionable : NTRansition STATus : QUEStionable : PTRansition Status Subsystem Example Page Page Page Page VX4101A MultiPaq Instrument User Manual A1 Appendix A: Specifications VX4101A General Characteristics Table A1: VXI Instrument Characteristics Table A2: Power Supply Voltage and Current A2 VX4101A MultiPaq Instrument User Manual Table A3: Environmental/Reliability Characteristics Table A4: VX4101A-Specific Characteristics Over Voltage Indication Universal Counter Specifications VX4101A MultiPaq Instrument User Manual A5 Table A8: Channel 1 and 2 Period Table A9: Channel 3 Frequency (Option 2C) Table A10: Channel 3 Period (Option 2C) A6 VX4101A MultiPaq Instrument User Manual Table A11: Time Interval Table A12: Frequency Ratio Table A13: Channels 1 and 2 Totalizer Table A14: Channels 1 and 2 Rise/Fall Time VX4101A MultiPaq Instrument User Manual A7 Table A15: Channels 1 and 2 Positive/Negative Pulse Width Table A16: Frequency Ratio 1/2,2/1,3/1,3/2,1/3,2/3 Table A17: Voltages Table A18: Channels 1 and 2 Input Characteristics A8 VX4101A MultiPaq Instrument User Manual Table A18: Channels 1 and 2 Input Characteristics (Cont.) Table A19: Channel 3 Input Characteristics (Option 2C) Page A10 VX4101A MultiPaq Instrument User Manual Table A24: TimeBase Characteristics (Option 1T) Table A25: Gate Input Trigger Page A12 VX4101A MultiPaq Instrument User Manual Table A30: Counter Specifications Terms VX4101A MultiPaq Instrument User Manual A13 Table A30: Counter Specifications Terms (Cont.) Digital Multimeter (DMM) Specifications Page Page VX4101A MultiPaq Instrument User Manual A17 Table A42: DC ECMR (50/60/400 Hz) Table A43: TRMS AC Voltage (DC Coupled and AC Coupled) Table A44: TRMS Accuracy Specifications 24-Hour Page Page A20 VX4101A MultiPaq Instrument User Manual Table A51: Resistance Accuracy Specifications for 2-Second Aperture Page Page Page Page VX4101A MultiPaq Instrument User Manual A25 Digital Input and Output (Option 1D) Table A58: Digital Input Characteristics Table A59: Digital Output Characteristics Digital to Analog Converter (DAC) (Option 1A) Relay Drivers (Option 1D) SurePath Specifications A28 VX4101A MultiPaq Instrument User Manual Certifications and Compliances Table A62: Certifications and compliances Page Page VX4101A MultiPaq Instrument User Manual B1 Appendix B: Input/Output Connections Table B1: Digital Multimeter (DMM) Input/Output Connections B2 VX4101A MultiPaq Instrument User Manual Table B2: 160-Pin Connector Pinouts VX4101A MultiPaq Instrument User Manual B3 Table B2: 160-Pin Connector Pinouts (Cont.) B4 VX4101A MultiPaq Instrument User Manual Table B2: 160-Pin Connector Pinouts (Cont.) Appendix C: Instrument I/O Operation Normal Transfer Mode Read Operation Normal Transfer Mode Write Operation Configuration Registers Page Page VX4101A MultiPaq Instrument User Manual D1 Appendix D: Counter Architecture Page Appendix E: Obsolete Commands Counter Commands Page Page Page Appendix F: Performance Verification Procedure Semi-Automated PVP Procedures Manual PVP Procedures Page Appendix G: Calibration Calibration for the DMM DC Mode Calibration Procedure DC Range 3 VDC with DC Range 30 VDC with DC Range 300 VDC with DC Range .03 VDC with DC Range 0.3 VDC with DC Range 3 VDC with TRMS AC (DC Coupled) Mode Calibrations .03 VDC or RMS 0.3 VDC or RMS 3 VDC or RMS 30 VDC or RMS 300 VDC or RMS Resistance Mode Calibration Procedure Resistance 30 W4-Wire Resistance 30 W2-Wire Resistance 300 W Resistance 3 kW Resistance 30 kW Resistance 300 kW Resistance 3 MW Resistance 30 MW Resistance 300 MW Current Mode Calibration Procedure Current .15A Current 1A Calibration for the Counter Prerequisites Equipment Required Recommended Calibration Interval What You Should Know About Step One: Initialize the instrument Step Two: Individual Channel Adjustments Step Three: Common Function and Cross-Channel Calibration Adjustments Page Factory Calibration System Clock Calibration Calibration for the Digital to Analog Converter Page DAC Calibration Procedure Before You Begin Adjusting Gain Adjusting Offset Repeating the Proceedure Saving the Results in EEPROM Calibration for the Digital Input Digital Input Calibration Procedure Appendix H: User Service Performance Verification Preventive Maintenance Troubleshooting Page Appendix I: Replaceable Parts Parts Ordering Information Module Servicing Using the Replaceable Parts List Abbreviations Mfr. Code to Manufacturer Cross Index VX4101A MultiPaq Instrument User Manual I3 Manufacturers cross index Mfr. code Manufacturer Address City, state, zip code I4 VX4101A MultiPaq Instrument User Manual Replaceable parts list discontd Qty Name & description Mfr. effective Serial no. number Serial no. VX4101A MultiPaq Instrument User Manual I5 Replaceable parts list (cont.) I6 VX4101A MultiPaq Instrument User Manual A2 A5 A1 A4 Figure I1: VX4101A Exploded View A3 Page Page Page Glossary Page Page Page Page Page Page Page Page Page VX4101A MultiPaq Instrument User Manual Index1 Index A C Index2 VX4101A MultiPaq Instrument User Manual D VX4101A MultiPaq Instrument User Manual Index3 E F G H I M N O P R T Index6 VX4101A MultiPaq Instrument User Manual U V W