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Agilent Technologies E1564A, E1563A Word Register, Pre-Trigger Count High Byte Register

Models: E1563A E1564A

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Trigger/Interrupt

Level Channel 4

Register

This register provides 8-bit data corrected for offset and gain in 2’s complement format. :

	base + 2E16	15		14		13		12	11	10	9	8		7	6	5	4	3	2	1	0
	Write*		MSB-D7	D6		D5		D4	D3	D2	D1	D0		0	0	0	0	0	0	0	GL

	Read**		MSB-D7	D6		D5		D4	D3	D2	D1	D0		0	0	0	0	0	0	0	GL


				WRITE/*READ BITS (Trigger/Interrupt Level Channel 4 Register)

	bit 0		GL		Greater than or Less than; “0” = >, “1” = <.

	bits 15-8		D7-D0		data bits.

Sample Period High This register provides the high byte of the sample period.

Byte Register

base + 3016	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
Write*									x	x	x	x	x	x	x	x

Read**	0	0	0	0	0	0	0	0	x	x	x	x	x	x	x	x

Sample Period Low This register provides the low word (2 bytes) of the sample period.

Word Register

base + 3216

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

Write*

x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

LSB

Read**

x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

LSB

Pre-Trigger Count High Byte Register

Pre-trigger count is the number of readings stored before the trigger is received. The minimum value is 0. The maximum number of readings is the size of memory in bytes divided by 8 for the E1563 and divided by 4 for the E1564.

base + 3416	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
Write					undefined						C5	C4	C3	C2	C1	C0

Read	0	0	0	0	0	0	0	0	0	0	C5	C4	C3	C2	C1	C0

136 Register-Based Programming

Appendix B

Image 136

Agilent Technologies E1564A, E1563A user manual Word Register, Pre-Trigger Count High Byte Register

Contents

Manual Part Number E1563-90004 Page Contents Scpi Command Reference Status System Registers 119 145 169 Duration of Warranty 3 years Government Restricted RightsSafety Symbols Documentation HistorySafety Model Number E1563A/E1564AConforms with the following product standards EMCStandard LimitPage Using This Chapter Chapter Configuring the Digitizer ModulesChapter Digitizers DescriptionConfiguring the Digitizer Modules Chapter Front Panel FeaturesRange Voltage Input Condition Vmax User Input Terminals Front Panel IndicatorsExternal Trigger Input External Trigger Input/Calibration Bus Output Page Configuring the Digitizer Modules Chapter Configuring the Digitizers Adding RAM to the ModuleRAM Installation Procedure Setting the Logical Address Switch Installing Digitizer in a Mainframe Wire gauge Belden cable P/N Alpha cable P/N Input Terminal Port Connector CablesUser Cabling Considerations Wire and 2-Wire Input Cabling Considerations Trigger Input Port CablesDigitizer Input Model Three-Wire Connections Digitizer Input Model10. Example Three-Wire Connections Voltage Measurements Cable Connector Assembly StepConfiguring the Digitizer Modules Chapter Cable Coupling Cable Clamp Boot Connector Ring Housing Initial Operation Example Initial OperationChapter Configuring the Digitizer Modules Configuring the Digitizer Modules Chapter Digitizer Block Diagram Digitizers OperationQuery Last Reading current value Channel Block DiagramLimit and Level Comparison Pre-Trigger Post-Trigger Block Diagram Power-on/Reset StatesPower-on and Reset States Chapter Using the DigitizersUsing the Digitizers Chapter Input Overload ConditionUsing Internal Triggering Triggering the DigitizersMaster-Slave Operation Using External TriggeringMaster-Slave Synchronization Example Master Module Configuration Trigger Sources for Master-Slave ModesMASTer-SLAVe Trigger SourcesExample Slave Module Configuration MASTer Sample SignalSLAVe Sample Signal Digitizers Application Examples IntroductionProgramming RequirementsExample Triggering Using Internal Level Example Sampling Using Immediate TriggeringMaking Digitizer Measurements Example Triggering Using External Trigsour EXT TRIGLEV1 Trigslop POS InitCommon Commands Format Command TypesChapter Digitizers Command Reference Digitizers Command Reference Chapter Abbreviated Commands Implied Commands ParametersType Explanations and Examples Scpi Command Reference Are not sent to the instrument. If you do not specify aABORt Reset *RST Condition NoneSubsystem Syntax Comments CALCulateLIMitFAIL? CALCulateSubsystem Syntax CALCulatechannel CALCulateLIMitLOWerDATA? CALCulateLIMitLOWerDATAParameters Comments Comments Executable When Initiated YES Reset *RST Condition OFFCALCulateLIMitLOWerSTATe CALCulateLIMitLOWerSTATe?Name Type Range Values Default Value Reset *RST Condition +252 VoltsCALCulatechannelLIMitUPPerSTATe OFF 0 on 1 enables CALCulateLIMitUPPerDATA?CALCulateLIMitUPPerSTATe? CALibration CALibrationDACVOLTageSubsystem Syntax CALibration ±0.061256409 ±15.00CALibrationDACVOLTage? CALibrationDATA?CALibrationGAIN CALibrationGAINchannel readingsDEF,rateDEF,ON1OFF0Digitizers Command Reference Chapter CALibrationSOURce Voltage Range Max DC Voltage absolute valueCALibrationSTATe CALibrationSOURce?CALibrationSTATe? Name Type Range of Values Default Value CALibrationSTOReCALibrationVALue ±0.061256409 ±15.6800 VoltsCALibrationVALue? Executable when initiated no Coupled Command noCALibrationZERO CALibrationZEROALL? Steps Before Executing a Zero Calibration DIAGnosticDACGAIN DIAGnosticSubsystem Syntax DIAGnostic DIAGnosticDACOFFSetRAMP DIAGnosticDACOFFSet+2.5 DIAGnosticDACSOURceRAMP DIAGnosticDACSOURce15.0 to +15.0 DIAGnosticINTerruptLINE? DIAGnosticINTerruptLINEDIAGnosticMEMorySIZE DIAGnosticPEEK? DIAGnosticMEMorySIZE?RAM Industry Notation Actual Size Value Regnumber Register Description base + register offset DIAGnosticPOKE DIAGnosticSHORt DIAGnosticSHORt?DIAGnosticSTATus? Bit Event Represented When Bit is HighChapter Digitizers Command Reference Reset *RST Condition FORMatDATA ASCii FORMatFORMatDATA FORMatDATA?INITiate INITiateCONTinuousSubsystem Syntax INITiate Determining Measurement Complete Status INITIMMediateINITiateCONTinuous? INITiateIMMediateINPut INPutFILTerLPASsFREQINPutFILTerLPASsFREQ? Subsystem SyntaxExecutable When Intitiated no Coupled Command no INPutFILTerLPASsSTATeINPutFILTerLPASsSTATe? INPutSTATeExecutable when initiated no Coupled Command YES OUTPutOUTputTTLTnSOURce OUTPutTTLTnSOURce?OUTPutTTLTnSTATe OUTPutTTLTnSTATe?SAMPleCOUNt SAMPleSubsystem Syntax SAMPle SAMPleCOUNt? SAMPleIMMediateSAMPLePRETriggerCOUNt E1563A 2-channel E1564A 4-channel Memory SizeSAMPlePRETriggerCOUNt? SAMPleSLOPe? SAMPleSLOPeSAMPleSOURce Name Type Point of Source Default SAMPleSOURce?SAMPleTIMer? SAMPleTIMerReset *RST condition 0.0000013 1.3 msec SENSe SENSeDATA?Digitizers Command Reference Chapter SENSeDATAALL? SENSeDATACOUNt? SENSeDATACVTable?SENSeROSCillatorEXTernalFREQuency? SENSeROSCillatorEXTernalFREQuency9E3 Hz to 30E6 Hz SENSeROSCillatorSOURCe SENSeROSCillatorSOURce?SENSeSWEepOFFSetPOINts SENSeSWEepOFFSetPOINts?SENSeSWEepPOINts SENSeSWEepPOINts?SENSeVOLTagechannelDCRESolution? Voltage Range ResolutionSENSeVOLTagechannelDCRANGe SENSeVOLTagechannelDCRANGe?STATus Status System RegistersSubsystem Syntax STATus Bit # DescriptionDigitizers Command Reference Chapter STATusOPERationENABle? STATusOPERationENABleSTATusOPERationCONDition? STATusPRESet STATusQUEStionableENABleSTATusQUEStionableENABle? STATusOPERationEVENt?SYSTem SYSTemERRor?SYSTemVERSion? TESTNUMBer? TESTERRor?Subsystem Syntax Test Testnumber Digitizers Command Reference Chapter Test requires an E1564A 4-Channel Digitizer Bit # TESTTSTRESults? TRIGger TRIGgerIMMediateTRIGgerLEVel Subsystem Syntax TRIGgerTRIGgerLEVel? Reset *RST condition 0.00 on all channelsTRIGgerMODE MASTer Mode SLAVe Mode Sample line Trigger line Executable when initiated YESTRIGgerMODE? TRIGgerSLOPenTRIGgerSOURcen TRIGgerSLOPen?TRIGgerSOURcen BUS EXTernal Hold IMMediate INTernal1-4 TRIGgerSOURcen? Ieee 488.2 Common Commands Quick Reference Category Command Title DescriptionESE and *ESE? Numeric Through NoneESR? OPC? SRE and *SRE? STB?TST? Scpi Commands Quick Reference Command DescriptionDATA? Rdgsperchannel,channellist Test Digitizers Command Reference Chapter Appendix a Digitizers Specifications Appendix aNumber of channels Selectable input filters 2-pole Bessel Timing Memory/TriggeringDigitizers Specifications Appendix a Appendix B About This AppendixRegister Programming vs. Scpi Programming Addressing the RegistersBase Address Register-Based Programming Appendix BFigure B-1. Registers Within A16 Address Space Register Descriptions Description AddressSamples Taken High Word Register Status/Control Register Device Type RegisterReading the Register Write Bits Status/Control Register Read Bits Status/Control RegisterA24 Offset Register Fifo High Word/Low Word RegistersWrite Bits A24 Offset Register Read Bits A24 Offset RegisterInterrupt Control Register Appendix B Register-Based Programming 129Write Bits Interrupt Control Register Read Bits Interrupt Control RegisterInterrupt Source Register CVTable Channel 1 RegisterCVTable Channel 2 Register Read Bits Interrupt Source RegisterCVTable Channel 3 Register CVTable Channel 4 RegisterSamples Taken High Byte Register Calibration Flash ROM Address RegisterCalibration Flash ROM Data Register Calibration Source RegisterCache Count Register Write Bits Calibration Source RegisterRange, Filter, Channel 1 Connect Register Range, Filter, Channel 3 Connect RegisterTrigger/Interrupt Level Channel Register WRITE/**READ Bits Trigger/Interrupt Level Channel 1 RegisterWRITE/**READ Bits Trigger/Interrupt Level Channel 2 Register Word Register Byte RegisterPre-Trigger Count High Byte Register Pre-Trigger Count Low Word RegisterSample Count High Byte Register Sample Count Low Word RegisterWrite Bits Trigger Source Register Source/Control RegisterRead Bits Trigger Control Register Write Bits Sample Source Register ExsampleProgramming Examples Program Main Beginning of ProgramRead ID and Device Type Registers Read Status Register Make some measurements and retrieve readingsReset Function Wait Function Execution Errors Appendix C Digitizers Error MessagesAppendix C Number Title DescriptionDigitizers Error Messages Appendix C EXTCALC2LIMUPPSTAT on Command string. Example *IDN?SYSTVERS? Self-Test Errors Calibration ErrorsGain Non-converging error Zero Calibration Gain CalibrationDigitizers Error Messages Appendix C Appendix D IntroductionTypes of Tests Recommended Test EquipmentTest Conditions Performance Verification Test ProgramsRecording Your Test Results Digitizers Verification Tests Appendix DFunctional Verification Test Functional Test ProcedureExample Self-Test E1563A Error from E1564A Range Nominal Performance Verification TestsZero Offset Verification Test Table D-2. Zero Offset Verification Test PointsNoise Verification Test E1563A Error from zero E1564A RangeTable D-3. Noise Verification Test Points Gain Verification Test E1563A Error from nominal E1564A RangeTable D-4. Gain Verification Test Points Filter Bandwidth Verification Test Error from input valueTable D-5. Filter Bandwidth Verification Test Points Measurement Uncertainty Performance Test RecordTest Accuracy Ratio TAR General Information Ambient TemperatureoCTest Conditions E1563A 2-Channel Digitizer E1564A 4-Channel Digitizer H3 H4Zero Offset Test Gain TestTest Digitizer Low Measured High Input Range Limit Limit Uncert Accuracy RatioReading E1563A 25 kHz Filter Bandwidth TestDigitizers Verification Tests Appendix D Appendix E Appendix E Digitizers AdjustmentsClosed-Cover Electronic Calibration Adjustment Conditions General Procedure Adjustment ProceduresDigitizers Adjustments Appendix E Zero Adjustment E1563A Gain Adjustment E1564A Gain Adjustment Digitizers Adjustments Appendix E Index IndexIndex Index Index Index