Exfo PM-1600 High-Speed Power Meter Manual de usuario Pagina 80

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Controlling the PM-1600 Automatically or Remotely
70 PM-1600
Standard Status Data Structure
Standard Status Data Structure
The figures below illustrate the four common Status and Enable registers
as defined by IEEE 488.2. These diagrams are a useful aid in understanding
the general commands and how a service request (SRQ) is generated. The
four registers are
Standard Event Status Register (ESR)
Standard Event Status Enable Register (ESE)
Status Byte Register (STB)
Service Request Enable Register (SRE)
Bit ESR ESE STB SRE
0 Operation
Complete
Operation
Complete
Source Status Source Status
1 Request Control Request Control N/A N/A
2 Query Error Query Error Error Bit Error Summary
Bit
3 Device
Dependent Error
Device
Dependent Error
Questionable
Status
Questionable
Status
4 Execution Error Execution Error Message
Available
Event Status
Summary Bit
5 Command Error Command Error Event Status
Summary Bit
Message
Available
6 User Request User Request Master Summary
Status
Request Service/
Master Summary
Status
7 Power On Power On Operation Status Operation Status
Controlling the PM-1600 Automatically or Remotely
70 PM-1600
Standard Status Data Structure
Standard Status Data Structure
The figures below illustrate the four common Status and Enable registers
as defined by IEEE 488.2. These diagrams are a useful aid in understanding
the general commands and how a service request (SRQ) is generated. The
four registers are
Standard Event Status Register (ESR)
Standard Event Status Enable Register (ESE)
Status Byte Register (STB)
Service Request Enable Register (SRE)
Bit ESR ESE STB SRE
0 Operation
Complete
Operation
Complete
Source Status Source Status
1 Request Control Request Control N/A N/A
2 Query Error Query Error Error Bit Error Summary
Bit
3 Device
Dependent Error
Device
Dependent Error
Questionable
Status
Questionable
Status
4 Execution Error Execution Error Message
Available
Event Status
Summary Bit
5 Command Error Command Error Event Status
Summary Bit
Message
Available
6 User Request User Request Master Summary
Status
Request Service/
Master Summary
Status
7 Power On Power On Operation Status Operation Status
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