Remote Control
R&S
®
CMW500
120User Manual 1173.9463.02 ─ 02
Table 6-1: Remote control interfaces and protocols
Inter-
face
Protocols, VISA
*)
resource string
Remarks
LAN VXI-11 protocol
TCPIP[board]::host address[::LAN device
name][::INSTR]
The LAN device name equals inst0 | inst 1 for sub-
instrument 1 | 2.
The LAN REMOTE connector is located on the rear
panel.
VXI-11 is a protocol that has been specifically devel-
oped for test and measurement instruments. It is the
recommended protocol for remote control via LAN.
For a description of the protocol and the interface
commands refer to VXI-11 Protocol.
LAN VISA socket resource
TCPIP[board]::host address::Data
Port[::SOCKET]
LAN connection with pure TCP/IP protocol, refer to
your VISA user documentation. It is recommended to
use the VXI-11 protocol instead of the VISA socket
resource.
For a description of the protocol modes and interface
commands refer to Direct Socket Communication.
USB USB[board]::2733::87::serial num-
ber[::USB interface number][::INSTR]
A USB type B connector (USB REMOTE) is located
on the rear panel of the instrument.
2733 (0xAAD) is the manufacturer ID of Rohde &
Schwarz
87 (0x57) is the R&S CMW500 model code
The serial number is device-specific.
GPIB GPIB[board]::primary address[::INSTR]
(no secondary address)
Two optional GPIB bus interfaces according to stand-
ard IEC 625.1/IEEE 488.1 (options R&S CMW-B612A
and R&S CMW-B612B). The GPIB bus connectors for
connection to a controller are located on the rear
panel of the instrument.
For a description of the interface and interface com-
mands refer to GPIB Bus Interface.
*) VISA is a standardized software interface library providing input and output functions
to communicate with instruments. The I/O channel (LAN or TCP/IP, USB, ...) is selected
at initialization time by means of the channel-specific resource string (also termed
address string) quoted above or by an appropriately defined VISA alias (short name). A
VISA installation is a prerequisite for remote control over LAN or USB interface. All VISA
address resource strings are displayed and defined in the Setup Dialog.
For more information about VISA refer to the user documentation.
Multiple remote access
You can configure and use up to four remote channels simultaneously; see Multiple
Channels for Remote Access.
LAN Connection
Remote control via LAN requires a VISA installation but no additional hardware at the
controller. VISA provides the TCPIP interface type and several protocol types to com-
municate with LAN-connected devices. For a simple example see Establishing and Test-
ing a LAN Connection.
Remote Control Operation
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