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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