Features and Functions 4
Keysight 34970A/34972A User’s Guide 103
SCPI Language Conventions
Throughout this manual, the following conventions are used for SCPI command
syntax for remote interface programming:
– Square brackets ( [ ] ) indicate optional keywords or parameters.
– Braces ( { } ) enclose parameter choices within a command string.
– Triangle brackets ( < > ) separate parameters for which you must substitute a
value
– A vertical bar (| ) separates multiple parameter choices.
Rules for using a channel list
Many of the SCPI commands for the 34970A/34972A include a scan_list or ch_list
parameter, which allow you to specify one or more channels. The channel number
has a form (
@
scc), where s is the slot number (100, 200, or 300) and cc is the
channel number. You can specify a single channel, multiple channels, or a range
of channels as shown below.
– The following command configures a scan list to include only channel 10 on
the module in slot 300.
ROUT:SCAN (@310)
– The following command configures a scan list to include multiple channels on
the module in slot 200. The scan list now contains only channels 10, 12, and
15 (the scan list is redefined each time you send a new ROUTe:SCAN
command).
ROUT:SCAN (@210,212,215)
– The following command configures a scan list to include a range of channels.
When you specify a range of channels, the range may contain invalid channels
(they are ignored), but the first and last channel in the range must be valid. The
scan list now contains channels 5 through 10 (slot 100) and channel 15 (slot
200).
ROUT:SCAN (@105:110,215)
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