Additional basics on remote control
R&S
®
NGU
201
User Manual 1179.2531.02 ─ 03
*
An asterisk marks a common command.
"
Quotation marks introduce a string and terminate it.
A whitespace (ASCII-Code 0 to 9, 11 to 32 decimal, e.g. blank) separates the header from the
parameters.
Responses to queries
You can query each setting command by adding a question mark. According to SCPI,
the responses to queries are partly subject to stricter rules than in the standard IEEE
488.2.
●
The requested parameter is transmitted without a header.
VOLTage:PROTection:MODE?
Response: "MEASure"
●
Maximum values, minimum values and all other quantities that are requested via a
special text parameter are returned as numeric values.
VOLT:PROT? MAX
Response: 32.500
●
Boolean values are returned as 0 (for Off) and 1 (for On).
OUTPut:STATe?
Response: 1
A.2
Command sequence and synchronization
A sequential command finishes the execution before the next command is starting. To
make sure that commands are actually carried out in a certain order, each command
must be sent in a separate command line.
As a rule, send commands and queries in different program messages.
Command sequence and synchronization