Rohde & Schwarz SMU200A - Sense<Ch>:Unit[:Power]; Sense<Ch>[:Power]:Type; Sense<Ch>[:Power]:Zero

Remote Control Commands
R&S
®
SMU200A
565Operating Manual 1007.9845.32 ─ 15
SENSe<ch>[:POWer]:TYPE?
The command queries the type of sensor. The type is automatically detected.
In case of two-path instruments, the sensor connected at the selected port is queried.
Return values:
string<Type>
SENS:TYPE?
queries the type of sensor connected to the POWER SENSOR
connector.
Response: NRP-Z21
the R&S NRP-Z21 sensor is used.
Example:
Query onlyUsage:
SENSe<ch>[:POWer]:ZERO
The command activates the autozero function. Zeroing is required in regular interval (at
least once a day) and if the temperature has varied more than about 5 °C, if the sensor
has been replaced or if measurements of signals with very low power are to be performed.
The RF power source must be switched off or disconnected from the sensor before start-
ing the autozero function.
SENS:ZERO
activates autozero function.
Example:
EventUsage:
SENSe<ch>:UNIT[:POWer] <Power>
The command selects the unit used for result query with command READ. The power
sensor provides the measured value in Watt. In which unit the measured value is returned
is selected here and might be either Watt, dBm or dBuV.
Parameters:
DBM|DBUV|WATT
DBM
<Power>
*RST:
SENS2:UNIT DBM
selects unit dBm for the measured value returned by command
READ.
READ2?
Response: 7.34
7.34 dBm are measured by sensor 2.
Example:
SENSe, READ and INITiate Subsystems