Using the STATus System 27
Agilent N8201A Performance Downconverter Synthetic Instrument Module, 250 kHz to 26.5 GHz 561
STATus Subsystem
The STATus subsystem controls the SCPI-defined instrument-status reporting structures.
Each status register has a set of five commands used for querying or masking that
particular register.
Numeric values for bit patterns can be entered using decimal or hexadecimal
representations. (that is, 0 to 32767 is equivalent to #H0 to #H7FFF) See “SCPI Language
Basics" on page 582 about using bit patterns for variable parameters.
Operation Register
Operation Condition Query
:STATus:OPERation:CONDition?
Returns the decimal value of the sum of the bits in the Status Operation Condition register.
The data in this register is continuously updated and reflects the current conditions.
Key Type: There is no equivalent front-panel key.
Operation Enable
:STATus:OPERation:ENABle <integer>
:STATus:OPERation:ENABle?
Determines which bits in the Operation Event register will set the Operation Status
Summary bit (bit 7) in the Status Byte Register. The variable <number> is the sum of the
decimal values of the bits you want to enable.
The preset condition is to have all bits in this enable register set to 0. To have any Operation
Events reported to the Status Byte Register, one or more bits need to be set to 1.
Key Type: There is no equivalent front-panel key.
Factory Preset: 0
Range: 0 to 32767
Operation Event Query
:STATus:OPERation[:EVENt]?
Returns the decimal value of the sum of the bits in the Operation Event register.
The register requires that the associated PTR or NTR filters be set before a condition
register bit can set a bit in the event register.
The data in this register is latched until it is queried. Once queried, the register is cleared.
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