8.6 Things to Know before Beginning Communication
141
8
Program Messages _____________________________________________
Program messages can be divided into command messages and query mes-
sages.
• Command Message
A command for controlling the unit such as an instruction to configure a set-
ting or reset the settings of the device.
Example
:FREQUENCY 1000
(instruction for setting the frequency)
• Query Message
A command for finding out the results of operations, results of measurements,
or the current configuration state of the device.
Example
:FREQUENCY?
(instruction for finding out the set frequency)
See
For details: Header (p. 142), Separator (p. 143), Data Section (p. 144)
Response Message_____________________________________________
A response message is created after the syntax of a received query message
has been checked. The "HEADer" command can be used to select whether
there is a header.
Header ON
:FREQUENCY 1000
Header OFF
1000
(The current frequency is 1 kHz.)
The header is set to OFF when the power is turned on.
If some sort of error was generated when a query message was received, a
response message is not created for the query message.
See
8.6 Things to Know before Beginning
Communication
8.6.1 About Message Formats
Header Separator Data Section
Header Question Mark
Содержание 3504-40 C HiTester
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Страница 22: ...1 4 Names and Functions of Parts 16 ...
Страница 28: ...2 5 Turning the Power On and Off 22 ...
Страница 40: ...3 3 Setting the Measurement Conditions 34 OF UF Evaluation Flow Chart ...
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