Remote Control
R&S
®
FPC
188
User Manual 1178.4130.02 ─ 07
specific commands, error handling and the status registers. The tutorial "Automatic
Measurement Control - A tutorial on SCPI and IEEE
488.2" from John M. Pieper (R&S
order number 0002.3536.00) provides detailed information on concepts and definitions
of SCPI.
The requirements that the SCPI standard places on command syntax, error handling
and configuration of the status registers are explained in detail in the following sec-
tions. Tables provide a fast overview of the bit assignment in the status registers. The
tables are supplemented by a comprehensive description of the status registers.
VISA
VISA is a standardized software interface library providing input and output functions to
communicate with instruments. The I/O channel (LAN or USB) is selected at initializa-
tion time by a channel-specific resource string.
It is recommended that you use the R&S
VISA driver. You can get R&S
VISA, including
the documentation, from the Rohde
&
Schwarz internet pages.
Resetting the R&S
FPC
Manual operation is designed for maximum operating convenience.
The priority of remote control, however, is the "predictability" of the device status.
Therefore, control programs should always define an initial device status (for example
with
) before implementing the required settings.
19.1.1.1
LAN Interface
To be integrated in a LAN, the instrument is equipped with a standard LAN interface,
consisting of a connector, a network interface and protocols (VXI-11).
Instrument access via VXI-11 is usually achieved from high level programming plat-
forms by using VISA as an intermediate abstraction layer. VISA encapsulates the low
level VXI-11 (LAN) or USB function calls and thus makes the transport interface trans-
parent for the user. The necessary VISA library is available for download from the
Rohde
&
Schwarz internet pages.
19.1.1.2
USB Interface
For remote control via the USB connection, the PC and the instrument must be con-
nected via the USB interface. The required driver comes with the R&S
InstrumentView
software package and is automatically installed on the PC with the software package.
The driver addresses the instrument via the USB interface with the fix IP address
172.16.10.10.
In addition, a remote control connection via the SCPI interface requires the VISA
library to be installed on the PC.
Remote Control Basics
