–
The <enable> setting is non-volatile; it does not change after a Factory Reset (*RST command) , Instrument Pre-
set (SYSTem:PRESet command), Status Preset (STATus:PRESet command) or Clear Status (*CLS command).
*ESR?
Standard Event Status Register Query. Queries the event register for the Standard Event Register group. An event
register is a read-only register that latches events from the condition register. While an event bit is set, subsequent
events corresponding to that bit are ignored.
Parameter Typical return
(none) +24
Reads the event register (bits 3 and 4 are set): *ESR?
– In order to be reported to the Status Register, the corresponding bits in the event register must be enabled
using the *ESE command.
– Once a bit is set, it remains set until cleared by reading the event register or execution of the Clear Status com-
mand (*CLS).
*IDN?
Identification Query. Returns the instrument’s identification string.
Parameter Typical return
(none) Keysight Technologies,DAQ970A,MY12345678,A.02.04-00.16-11.29-00.02-02-01
Returns the instrument’s identification string: *IDN?
– The identification string contains these four comma separated fields:
Manufacturer name,Model number,Serial number,Revision code
In this instrument, query returns a string with the following format:
Keysight Technologies,DAQ970A,<Serial Number>,h.ff.ff-pp.pp-mm.mm-gg.gg-bb-fp
Example, for revision code of "A.02.04-00.16-11.29-00.02-02-01",
h - Hardware revision (A)
ff.ff - Main firmware revision (02.04)
pp.pp - Front panel firmware revision (00.16)
mm.mm - Measurement board firmware revision (11.29)
gg.gg - Measurement board FPGA revision (00.02)
bb - Measurement board revision (02)
fp - Front panel board revision (01)
Keysight DAQ970A/DAQ973A Programming Guide 149
2 SCPI Programming
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