Fluke 45 User Manual page 74

Dual display multimeter
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7
6
5
&
&
&
6
7
5
Service
Request
Generation
Figure 5-3 reprinted from ANSI/IEEE Std 488.2-1987. Copyright 1988. By the Institute of Electrical and Electronics Engineers, Inc. By
permission of the IEEE Standards Department.
Service Requests (IEEE-488 Only and Status Registers
4
3
2
1
0
&
&
&
&
&
Event Status Enable
2
4
3
1
0
RQS
6
7
3
ESB MAV
MSS
&
&
&
&
7
5
4
3
Figure 5-3. Overview of Status Data Structures
Operating the Meter Using the Computer Interface
Standard
Event Status Register
Read Using *ESR?
Not-Empty
Standard
Register
Read Using *ESE?
Write to Using *ESE
2
Status Byte Register
1
0
&
&
&
Service Request
2
1
0
Enable Register
Read Using *SRE?
Write to Using *SRE
Queue
Output Queue
Read by Serial Poll
Read Using *STB?
aam21f.eps
5
5-15

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