R&S NRP-Z91 Remote Control - Commands
1168.8579.12 6.15 E-3
Item Information string Remarks
"TECHNOLOGY" "3 Path Diode" Detector technology used
"FUNCTION" "Power Terminating" The R&S NRP-Z91 is a terminating power sensor.
"MINPOWER" "<nominal lower test limit in W>" The nominal lower test limit of the R&S NRP-Z91 is 200 pW,
i.e. with s-parameter correction deactivated, the sensor returns
the information string "2e-10" as a response to SYSTem:INFo?
"MINPOWER". With s-parameter correction activated, the
information string depends on the nominal lower limit of the
sensor/twoport combination.
"MAXPOWER" "<nominal upper test limit in W>" The nominal upper test limit of the R&S NRP-Z91 is 200 mW,
i.e. with s-parameter correction deactivated, the sensor returns
the information string "0.2" as a response to SYSTem:INFo?
"MAXPOWER". With s-parameter correction activated, the
information string depends on the nominal upper limit of the
sensor/twoport combination.
"MINFREQ" "<min. measuring frequency in Hz>" The minimum measuring frequency of the R&S NRP-Z91 is
9 kHz, i.e. the sensor returns the information string "9000" as a
response to SYSTem:INFo? "MINFREQ".
"MAXFREQ" "<max. measuring frequency in Hz>" The maximum measuring frequency is 6 GHz for the R&S NRP-
Z91, i.e. the sensor returns the information string "6e+10" as a
response to SYSTem:INFo? "MAXFREQ".
"IMPEDANCE" "50" The R&S NRP-Z91 RF input has a nominal input impedance of
50 .
"COUPLING" "AC/DC" The RF input of the R&S NRP-Z91 is DC-coupled, but DC
voltages superimposed on the RF signal are suppressed by the
measurement amplifier.
"CAL. ABS." "<date>" Date of absolute calibration in the format YYYY-MM-DD.
Calibration Date" is returned with an invalid date entry.
"CAL. REFL." "<date>" Date of reflection-coefficient calibration in the format YYYY-MM-
DD. "Invalid Calibration Date" is returned with an invalid date
entry.
"CAL. S PARA." "<date>" Date of s-parameter calibration in the format YYYY-MM-DD. If
no S parameter set is loaded, the sensor returns the string "not
applicable". "Invalid Calibration Date" is returned with an invalid
date entry.
"CAL. MISC." "<date>" Date of the calibration of other parameters in the format YYYY-
MM-DD. "Invalid Calibration Date" is returned with an invalid
date entry.
"SPD MNEMONIC" "<mnemonic string>" Clear-text designation of the components connected ahead of
the sensor.
SYSTem:INITialize
SYSTem:INITialize sets the sensor to the standard state, i.e. the default settings for all test parameters
are loaded in the same way as with *RST. The sensor then outputs a complete list of all supported
commands and parameters. With the command, the remote-control software can automatically adapt to
the features of different types of sensors with different functionality.
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