Rohde & Schwarz CMW500 Series, Руководство пользователя

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Remote Control
R&S
®
CMW500
135 User Manual 1173.9463.02 ─ 02
The purpose and format of the four command parts is as follows:
●
SCPI Subsystem
One of the root mnemonics specified in the SCPI standard, indicating the SCPI sub-
system. Commands within the same subsystem serve a similar purpose; see
Use of
SCPI Subsystems . Some root mnemonics may be optional.
●
Firmware application (FWA)
Two non-optional mnemonics indicating a combination of network standard or gen-
eral purpose (GP) measurement and generator/measurement function group; see
Firmware Applications .
●
Instance
Numeric suffix used to distinguish several FWAs of the same type (e.g. several GPRF
generators). In principle the values can range from 1 to 4. However the range for a
specific FWA can be limited (e.g. only 1 and 2) depending on the FWA, the installed
hardware and the installed software options. A suffix 1 can be omitted according to
SCPI rules.
●
Setting/Result
One or several possibly optional mnemonics indicating the purpose of the command.
Extensions for measurement firmware applications
Many of the measurement firmware applications provide several Measurement Contexts
and Views . They are identified by fourth- and fifth/sixth-level mnemonics.
Due to the general structure described above, most R&S CMW500 commands are not
SCPI confirmed, however, they follow SCPI syntax rules (see also
Remote Control Oper-
ation ).
6.3.2 Firmware Applications
The R&S CMW500 supports three different types of applications:
●
GENerator : Generator application, controls and configures RF generators. Exam-
ples: The GPRF generator generates a flexible RF signal for test purposes. The GSM
generator generates a GSM-specific signal.
●
MEASurement : Measurement application, provides a set of measurements for a
specific network standard or general purpose tests. Example: The GPRF measure-
ment application comprises different RF measurements, e.g. Power, External Power
Sensor etc. The GSM measurement application provides transmitter tests on GSM
signals.
●
SIGNaling : Signaling application, provides a network-specific cell signal in order to
establish a network connection with a mobile phone and perform various tests.
Example: The GSM signaling application provides signaling tests for GSM mobile
phones.
Generator, measurement, and signaling applications are termed "firmware applications"
(FWA). In the remote control commands, the FWA is addressed by the second and third-
level mnemonics; see
General Command Structure . A possible numeric suffix <i> (short
for <instance>) behind the FWA mnemonics distinguishes several FWAs of the same
type.
R&S CMW Software and Command Structure