STATus Subsystem
Status register programming lets you determine the operating condition of the instrument at any time.
The instrument has three groups of status registers; Operation, Questionable, and Standard Event.
The Operation and Questionable status groups each consist of the Condition, Enable, and Event
registers as well as NTR and PTR filters.
The Status subsystem is also programmed using Common commands. Common commands control
additional status functions such as the Service Request Enable and the Status Byte registers. Refer to
Status Tutorial for more information.
STATus
:OPERation
[:EVENt]? Queries the operation event register.
:CONDition? Queries the operation condition register.
:ENABle <value> Sets the operation enable register.
:NTRansiton <value> Sets the Negative transition filter
:PTRansiton <value> Sets the Positive transition filter
:USER<1|2>
:SOURce EXPRession<1-8>|NONE Selects an expression to drive the user-defined status bits.
:PRESet Presets all Enable, PTR, and NTR registers.
:QUEStionable<1|2>
[:EVENt]? Queries the questionable event register.
:CONDition? Queries the questionable condition register.
:ENABle <value> Sets the questionable enable register.
:NTRansiton <value> Sets the Negative transition filter
:PTRansiton <value> Sets the Positive transition filter
STATus:OPERation[:EVENt]
Queries the event register for the Operation Status group. This is a read-only register, which stores
(latches) all events that are passed by the Operation NTR and/or PTR filter. Reading the Operation
Status Event register clears it.
Parameter Typical Return
(none) <bitvalue>
Read the operation status event register: STAT:OPER?
l The value returned is the binary-weighted sum of all bits set in the register. For example, with bit
3 (value 8) and bit 5 (value 32) set (and corresponding bits enabled), the query returns +40.
l *RST has no effect on this register.
Keysight N6900/N7900 Series Operating and Service Guide 264
6 SCPI Programming Reference
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