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4.2 Communication Methods by the RS-232C
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Command messages
Query messages
Messages
Program messages
Response messages
Computer
3532-50/3522-50
Program messages
Response messages
4.2 Communication Methods by the RS-232C
In order to control the 3532-50/3522-50 by the RS-232C, there are
several kinds of messages.
Of these, program messages are those received by the 3532-50/3522-
50 from the computer, while response messages are those sent from
the 3532-50/3522-50 to the computer.
(1) Program messages
Program messages are command messages or query messages.
Command massages are orders for controls of the 3532-50/3522-50,
such as for making measurement condition settings or for reset or the
like.
Example
FREQUENCY
<data>
(Command message which sets the frequency)
Query messages are orders for responses relating to results of
operation, results of measurement, or the state of 3532-50/3522-50
settings. (A question mark "?" is suffixed at the end of the command.)
Example
FREQUENCY?
(Queries the current frequency)
(2) Response messages
It represents the response data for query messages from the 3532-50/3522-
50.
Example
FREQUENCY 1.000E+03
(Current frequency is 1 kHz.)
