User Manual 2460 Series
Racal Instruments
2003
Programming The 2461 Module 4-9
STATus subsystem
STATus command summary
Command
Description
:STATus
:OPERation
[:EVENt]?
:ENABle
:ENABle?
:CONDition?
:PRESet
Path to control operation registers:
Reads the event register
Programs the enable register
Reads the enable register
Reads the condition register
Returns status registers to default
states
General Description
• The IEEE-488.2 standard requires two registers: Status Byte and Standard Event Status Register.
• The Status Byte provides global system status information that the user may select through the
Enable Registers.
• The Standard Event Status Register reports standard events such as Error Detection or
Operation Complete.
• SCPI has added a few supplementary registers which represent the status and events specific to
the instrument. Three registers are available at the same level:
A
CONDition
register reports the state of the instrument, and each state change for the instrument
is indicated in the Condition register.
An
EVENt
register captures changes in the associated Condition register. When a change has
been captured, the Event register signals the change, even if the Condition register has returned to
its initial state.
A few bits of the Event register do not reflect changes in the corresponding Condition register.
These bits represent the state of the selected bits in other Event registers. The selection of these
bits is specified in the
ENABle
register.
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