CHANNELS
Most devices have multiple high voltage channels, numbered from 0 to ChannelNumber - 1. To address a specific channel within
a command, the suffix (@<Channel>) is used. Depending on the command being an order or a query, a different syntax applies.
•
Order commands
The channel suffix is separated from the parameter with a comma:
: V O L T 1 0 0 , ( @ 1 ) <C R > <L F >
•
Query commands
The channel suffix is separated from the query with a space:
: M E A S : V O L T ? ( @ 3 ) <C R > <L F >
˽
Especially to simplify query commands (but also usable for order commands), multiple channels can be used together with a
single command. Therefore, the channel range (@0-3) and the channel enumeration (@0,1,3,5) notations exist. Both notations
can be combined: (@0-2,5-7) which will operate on the channels 0, 1, 2, 5, 6, 7.
The different answer parts for such a request are separated by comma “,”.
Example:
: M E A S : C U R R ? ( @ 3 - 5 ) <C R ><L F >
Answer:
1 . 1 2 3 4 E - 3 A , 1 . 2 3 4 5 E - 3 A , 1 . 3 4 5 6 E - 3 A <C R ><L F >
SCPI protocol common instruction set | Last changed on: 2020-10-07 |
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