Tektronix TDS210 - Page 145

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Command Descriptions

TDS200, TDS1000/2000, TDS1000B/2000B, TPS2000 Programmer

2- 125

Power Measurement

HARmonics:FREquency?

<NR3>

HARmonics:FREquency?

Might return 3.60576923E2, indicating that the frequency of the

selected harmonic is 360.57 Hz.

HARmonics:SELect

HARmonics:HRMS? (Query Only)

(TPS2000 Series with TPS2PWR1 Power Analysis Module Only)

Returns the RMS amplitude of the selected harmonic in the same

units as the source waveform.

Power Measurement

HARmonics:HRMS?

<NR3>

HARmonics:HMRS?

Might return 6.18267221409E-1.

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Syntax

Returns

Examples

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Syntax

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Examples

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Table of Contents3
Preface9
Related Documents9
Conventions13
Getting Started15
Table 1- 1: Communications Ports and Functions17
Table 1- - 2: Oscilloscope, Extension Module, and18
Syntax and Commands19
Command Syntax21
Status and Events21
Registers21
Status Registers21
Programming Examples21
Appendix A: ASCII Code Chart21
Appendix B: Factory Setup21
TDS1000B and TDS2000B Series Oscilloscopes21
Table 2- 1: Oscilloscope Communication Protocol21
Command and Query Structure22
Table 2- 2: BNF Notation22
TPS2000 Series Oscilloscopes23
Table 2- 3: Command Message Elements23
Enable Registers24
Figure 2- 1: Command Message Elements24
TDS1000 and TDS2000 Series Oscilloscopes25
Table 2- 4: Comparison of Header off and Header on Responses25
Command Entry26
The Enable Registers and the *PSC Command26
Queues26
The Output Queue26
TDS210 and TDS220 Oscilloscopes26
The Event Queue27
Event Handling Sequence28
TDS224 Oscilloscopes28
Constructed Mnemonics29
Synchronization Methods30
Argument Types31
Using the *WAI Command31
Table 2- 5: Types of Numeric Arguments31
Table 2- - 6: Oscilloscope Handling of Incorrect32
Using the BUSY Query33
Table 2- 7: Parts of a Block Argument33
Using the *OPC Set Command34
Figure 2- 2: Block Argument Example34
Command Groups35
Acquisition Commands35
Table 2- 8: Acquisition Commands35
Calibration and Diagnostic Commands36
Using the *OPC? Query36
Table 2- 9: Calibration and Diagnostic Commands36
Cursor Commands37
Messages37
Table 2- 10: Cursor Commands37
Display Commands38
Table 2- 11: Display Commands38
File System Commands (TDS2MEM Module, TDS1000B, TDS2000B, and TPS2000 Only)39
Table 2- 12: File System Commands39
Hard Copy Commands40
Table 2- 13: Hard Copy Commands40
Horizontal Commands41
Table 2- 14: Horizontal Commands41
Math Commands42
Table 2- 15: Math Commands42
Measurement Commands43
Table 2- 16: Measurement Commands44
Miscellaneous Commands45
Table 2- 17: Miscellaneous Commands45
Pictbridge Commands (TDS1000B and TDS2000B Only)47
Table 2- 18: Pictbridge Commands47
Power and Battery-Related Commands (TPS2000 Only)48
Power Measurement (TPS2000 with TPS2PWR1 Power Analysis Application Key Installed Only)48
Table 2- - 19: Power and Battery-Related Commands48
Table 2- 20: Power Measurement Commands (TPS2000 with TPS2PWR1 Only)49
RS-232 Commands52
Save and Recall Commands52
Table 2- 21: RS-232 Commands52
Status and Error Commands53
Trigger Commands54
Vertical Commands56
Waveform Commands57
Waveform Data Formats60
Waveform Data Record62
Waveform Data Locations and Memory Allocation62
Waveform Preamble63
Scaling Waveform Data63
Transferring Waveform Data63
Command Descriptions65
Figure 3- 1: the Standard Event Status Register (SESR)288
Figure 3- 2: the Status Byte Register (SBR)289
Figure 3- - 3: the Device Event Status Enable Register291
Figure 3- 4: the Event Status Enable Register (ESER)291
Figure 3- 6: Status and Event Handling Process295
Figure 3- - 7: Command Processing Without Using297
Figure 3- 8: Processing Sequence with Synchronization297

Tektronix TDS210 - Page 145

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