Remote control
R&S
®
ZNA
932User Manual 1178.6462.02 ─ 29
VISA library
VISA is a standardized software interface library providing input and output functions to
communicate with instruments. The I/O channel (LAN, USB, GPIB, ...) is selected at
initialization time by its channel-specific resource string (also termed address string), or
by an appropriately defined VISA alias (short name).
For more information about VISA, refer to the installed library's user documentation.
HiSLIP protocol
The HiSLIP (High Speed LAN Instrument Protocol) is a protocol for TCP-based instru-
ments specified by the IVI foundation. Compared to its predecessor VXI-11, it provides
speed and other improvements. HiSLIP is encapsulated in VISA; the resource string
reads TCPIP::<R&S ZNA IP address>::hislip0.
The RS Visa library supports HiSLIP. If the connection fails, access the Windows con-
trol panel of the controlled instrument and open port 4880 for incoming connections.
6.1.1 Remote control via USB
The instrument can be remote-controlled via USB. The VISA resource string for con-
trolling a device via USB has to be specified in the format
USB[board]::<Manufacturer ID>::<Device ID>::<Serial Number>::
INSTR.
The <Manufacturer ID> of Rohde & Schwarz is 0x0AAD, the <Device ID> is
model-specific:
●
2-port R&S ZNA26: 0x0198
●
4-port R&S ZNA26: 0x0199
●
2-port R&S ZNA43 with 2.92 mm connectors: 0x019A
●
4-port R&S ZNA43 with 2.92 mm connectors: 0x019B
●
2-port R&S ZNA43 with 2.4 mm connectors: 0x023F
●
4-port R&S ZNA43 with 2.4 mm connectors: 0x0240
●
2-port R&S ZNA50: 0x0251
●
4-port R&S ZNA50: 0x0252
●
2-port R&S ZNA67: 0x0253
●
4-port R&S ZNA67: 0x0254
Hence a possible resource string for the 4-port R&S ZNA26 is USB1::0x0AAD::
0x0199::100067::INSTR.
6.1.2 Starting a remote control session
A remote control program must open a connection to the analyzer (using VISA func-
tionality), before it can send commands to the analyzer and receive device responses
(e.g. measurement data). The programming details depend on the library version used
Introduction to remote control
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