Network operation and remote control
R&S
®
SMB100B
270User Manual 1178.3711.02 ─ 08
ured on the instrument. Software for instrument control and, if necessary, the VISA pro-
gram library must be installed on the controller.
Identifying instruments in a network
If several instruments are connected to the network, each instrument has its own IP
address and associated resource string. The controller identifies these instruments by
the resource string.
11.2.1.1 VISA resource strings
The VISA resource string is required to establish a communication session between
the controller and the instrument in the LAN. The resource string is a unique identifier,
composed of the specific IP address of the instrument and some network and VISA-
specific keywords.
TCPIP::<host address>[::<LAN device name>][::INSTR]
TCPIP
= designates the network protocol
host address = designates the IP address or hostname of the instrument
[::LAN device name] = defines the protocol and the instance number of a subinstrument
[::INSTR] = indicates the instrument resource class (optional)
The IP address (host address/computer name) is used by the programs to identify and
control the instrument. It is automatically assigned by the DHCP server the first time
the device is registered in the network. Optionally, you can also assign its LAN device
name.
If assigned, the IP address is displayed in the home screen. You can adjust it manually
with the parameter the "System Config > Remote Access > Network" > IP Address
Enabling a locked user interface for manual operation.
The following section lists the characteristics of the VISA resource strings for the corre-
sponding interface protocols. The emphasized characters determine the protocol.
For description of the interface protocols, control commands and messages, refer to
Remote control via SCPI.
HiSLIP
TCPIP::<host address>::hislip0[::INSTR]
hislip0
= HiSLIP device name, designates that the interface protocol HiSLIP is used (mandatory)
hislip0 is composed of [::HiSLIP device name[,HiSLIP port]] and must be
assigned.
Example:
TCPIP::192.1.2.3::hislip0
Remote control interfaces and protocols
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