Tektronix vx4380 Status and Event Reporting Process

Status and Events

VX4380 256-Crosspoint Relay Matrix Module User Manual 4–5

Status and Event Reporting Process

Figure 4–1 shows how to use the Status and Event Reporting system. In the

explanation that follows, numbers in parentheses refer to the circled numbers in

Figure 4–1.

—

Standard Event Status

register

Event Status Enable

register

Read using *ESE?

Write using *ESE

Status Byte

register

Read using *STB?

Service Request Enable

register

Read using *SRE?

Write using *SRE

Event

queue

Output

queue

Event

Event

Event

Byte

Byte

Byte

2

3

5

6

4

Power

On — Command

Error Execution

Error Query

Error Operation

Complete

—

765 43 210

Power

On — Command

Error Execution

Error Query

Error Operation

Complete

—

765 43 210

Event

Status Bit Message

Available queue Not

Empty —

7543210

——

6

Master

Status

Request

Service

6

— Event

Status Bit Message

Available —

7543210

——

6

——

1

Read using *ESR?

—

—

11

111

Figure 4–1: Status and Event Reporting Process

When an event occurs the appropriate bit in the Standard Event Status Register is

set to one and the event is recorded in the Event queue (1). If the corresponding

bit in the Event Status Enable Register is also enabled (2), then the event status

bit in the Status Byte Register is set to one (3).

Contents

Main Page WARRANTY Page Table of Contents Getting Started Operating Basics Syntax and Commands Status and Events Page General Safety Summary Injury Precautions Product Damage Precautions Safety Terms and Symbols Certifications and Compliances Page Page Preface Conventions Page Page Page Getting Started Product Description Page Getting Started = Figure 11: VX4380 Functional Block Diagram VX4380 256-Crosspoint Relay Matrix Module User Manual 13 = Fuses Accessories Controls and Indicators Switches LEDs BITE (Built-in Test Equipment) Page Configuration Logical Address Switches IEEE-488 Address VMEbus Interrupt Level Select Switch Installation Tools Required Requirements and Cautions Installation Procedure Installation Checklist Functional Check Self Test Operational Check SYSFAIL* Operation Page Page Page Operating Basics Functional Overview Power-on Instrument I/O: VXIbus Basics Configuration Registers Page Page Page Command Syntax Page Syntax Example SCPI/IEEE 488.2 Command Elements Page Page Page Page Page Page Functional Command Groups System Commands Module Commands Functional Command Groups 312 VX4380 256-Crosspoint Relay Matrix Module User Manual Table 31: Summary of VX4380-Specific SCPI Commands Table 32: Summary of IEEE-488.2 Common Commands Functional Command Groups VX4380 256-Crosspoint Relay Matrix Module User Manual 313 Table 32: Summary of IEEE-488.2 Common Commands (Cont.) Page Command Descriptions ABORt Page CLOSe Page Page Page ID? INITiate Page Page MODule Page Page Page OPEN Page Page Page Page OUTPut PFAil SCAN Page Page Command Descriptions 340 VX4380 256-Crosspoint Relay Matrix Module User Manual STATus Page Page Page SYSTem Page Page Page TRIGger Page Page Page IEEE-488.2 Common Commands *CLS *ESE <NRf> *ESE? *ESR? *IDN? *OPC *OPC? *RST *SRE <mask> *SRE? *STB? *TRG *TST? *WAI Page Page Page Status and Events Status and Event Reporting System Status Byte Register Service Request Enable Standard Event Status Event Status Enable The Output Queue The System Error and Event Queue Status and Events VX4380 256-Crosspoint Relay Matrix Module User Manual 45 Status and Event Reporting Process Messages Page Page Page Page VX4380 256-Crosspoint Relay Matrix Module User Manual A1 Appendix A: Specifications Table A1: VXI Instrument Characteristics A2 VX4380 256-Crosspoint Relay Matrix Module User Manual Table A1: VXI Instrument Characteristics Table A2: Environmental/Reliability Characteristics Table A3: VX4380-Specific Characteristics VX4380 256-Crosspoint Relay Matrix Module User Manual A3 Table A3: VX4380-Specific Characteristics (Cont.) Table A4: Relay Switching Characteristics A4 VX4380 256-Crosspoint Relay Matrix Module User Manual Table A5: Switching Channel Characteristics Table A6: Signal Path Table A7: Cabling Table A7: Power Distribution Page Page Appendix B: Input/Output Connections VX4380 256-Crosspoint Relay Matrix Module User Manual B3 Table B1: VX4380 Upper Connector (J401) Pinout Appendix B: Input/Output Connections B4 VX4380 256-Crosspoint Relay Matrix Module User Manual Table B2: VX4380 Lower Connector (J1201) Pinout Page Page Appendix C: Examples Example 1 Page Page Example 2 Appendix D: User Service Performance Verification Preventive Maintenance Troubleshooting Page Appendix E: Replaceable Parts Parts Ordering Information Module Servicing Using the Replaceable Parts List Abbreviations Mfr. Code to Manufacturer Cross Index VX4380 256-Crosspoint Relay Matrix Module User Manual E3 Manufacturers Cross Index Mfr. Code Manufacturer Address City, State, Zip Code E4 VX4380 256-Crosspoint Relay Matrix Module User Manual Replaceable Parts List Effective Serial No. Part Number Serial No. Fig. & Index Number Tektronix VX4380 256-Crosspoint Relay Matrix Module User Manual E5 Figure E1: VX4380 Exploded View Page Page Page Glossary Page Page Page Page Page Page Page VX4380 256-Crosspoint Relay Matrix Module User Manual Index1 Index A C D E T W