Annexes
R&S
®
ZNB/ZNBT
1257
User Manual 1173.9163.02 ─ 38
Command
QuickBASIC com-
mand
Effect on the instrument
SPE
(Serial Poll Enable)
IBCMD (controller
%, CHR$(24))
Ready for serial poll
SPD
(Serial Poll Dis-
able)
IBCMD (controller
%, CHR$(25))
End of serial poll
PPU
(Parallel Poll
Unconfigure)
IBCMD (controller
%, CHR$(21))
End of the parallel-poll state
Addressed commands
Addressed commands are encoded in the range 00 through 0F hex. They are only
effective for instruments addressed as listeners.
Command
QuickBASIC com-
mand
Effect on the instrument
GET
(Group Execute
Trigger)
IBTRG (device%)
Triggers a previously active device function (e.g. a sweep).
The effect of the command is the same as with that of a pulse
at the external trigger signal input.
GTL
(Go to Local)
IBLOC (device%)
Transition to the "Local" state (manual control)
PPC
(Parallel Poll Con-
figure)
IBPPC (device%,
data%)
Configures the instrument for parallel poll. Additionally, the
QuickBASIC command executes PPE/PPD.
SDC
(Selected Device
Clear)
IBCLR (device%)
Aborts the processing of the commands just received and sets
the command processing software to a defined initial state.
Does not change the instrument setting.
10.2.3.3
Instrument Messages
Instrument messages (commands) are transferred on the data lines of the GPIB bus
while the ATN line is not active. ASCII code is used.
Structure and syntax of the instrument messages are described in
on page 675. The chapter also provides a detailed description of all
messages implemented by the analyzer.
10.2.4 Handler I/O (Universal Interface)
Option R&S
ZN-B14 / R&S
ZNBT-Z14
A network analyzer which is equipped with a Handler I/O (Universal Interface) option,
can interact with an external part handler. The digital control signals on the interface
connector indicate the possible start and the end of a measurement, as well as a
Interfaces and Connectors
