Measurement-computing Extender 488HS Rev.2.0 Manual de usuario descargar pdf (Pagina 3)

Table of Contents

Section

1 Introduction 1.1

1.1 Description 1.1

1.2 Available Accessories 1.2

1.3 Specifications 1.2

1.4 Abbreviations 1.4

Section 2 Getting Started ...........................................................................................................................................2.1

2.1 Inspection ..................................................................................................................................................2.1

2.2 Extender488/HS Configuration .................................................................................................................2.1

2.3 Front Panel Indicators................................................................................................................................2.3

2.4 Line Voltage Selection ..............................................................................................................................2.4

2.5 Hardware Installation.................................................................................................................................2.6

2.6 Operation...................................................................................................................................................2.7

2.7 Speed Considerations ................................................................................................................................2.8

Section 3 IEEE 488 Primer..........................................................................................................................................3.1

3.1 History.......................................................................................................................................................3.1

3.2 General Structure.......................................................................................................................................3.1

3.3 Send It To My Address..............................................................................................................................3.4

3.4 Bus Management Lines .............................................................................................................................3.4

3.4.1 Attention (ATN) ....................................................................................................................3.4

3.4.2 Interface Clear (IFC)..............................................................................................................3.4

3.4.3 Remote Enable (REN) ...........................................................................................................3.5

3.4.4 End or Identify (EOI).............................................................................................................3.5

3.4.5 Service Request (SRQ) ..........................................................................................................3.5

3.5 Handshake Lines........................................................................................................................................3.5

3.5.1 Data Valid (DAV)..................................................................................................................3.5

3.5.2 Not Ready for Data (NRFD)..................................................................................................3.6

3.5.3 Not Data Accepted (NDAC) ..................................................................................................3.6

3.6 Data Lines 3.7

3.7 Multiline Commands .................................................................................................................................3.7

3.7.1 Go To Local (GTL)................................................................................................................3.7

3.7.2 Listen Address Group (LAG) ................................................................................................3.7

3.7.3 Unlisten (UNL)......................................................................................................................3.7

3.7.4 Talk Address Group (TAG)...................................................................................................3.7

3.7.5 Untalk (UNT).........................................................................................................................3.7

3.7.6 Local Lockout (LLO).............................................................................................................3.8

3.7.7 Device Clear (DCL)...............................................................................................................3.8

3.7.8 Selected Device Clear (SDC).................................................................................................3.8

3.7.9 Serial Poll Disable (SPD).......................................................................................................3.8

3.7.10 Serial Poll Enable (SPE)....................................................................................................3.8

3.7.11 Group Execute Trigger (GET)...........................................................................................3.8

3.7.12 Take Control (TCT)...........................................................................................................3.8

3.7.13 Secondary Command Group (SCG)...................................................................................3.9

3.7.14 Parallel Poll Configure (PPC)............................................................................................3.9

3.7.15 Parallel Poll Unconfigure (PPU)........................................................................................3.9

3.8 More On Service Requests ........................................................................................................................3.9

3.8.1 Serial Poll...............................................................................................................................3.10

3.8.2 Parallel Poll............................................................................................................................3.10

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Measurement-computing Extender 488HS Rev.2.0 Manual de usuario Pagina 3

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