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1 Introduction
If the [COMMAND MONITOR] function is used at the time of program creation, commands and responses will be
conveniently displayed on the measurement screen. For information on the [COMMAND MONITOR] function, see the
instruction manual of the instruments.
Various messages are supported for controlling the instrument through the interfaces.
Messages can be either program messages, sent from the controller such as PC to the instrument, or response
messages, sent from the instrument to the controller.
Message types are further categorized as follows.
Command Messages
Program Messages
Query Messages
Messages
Response Message
When issuing commands that contain data, make sure that the data is provided in the specified format.
Message Format
Program Messages
Program messages can be either Command Messages or Query Messages.
(1) Command Messages
Instructions to control the instrument, such as to change settings or reset
Example: (instruction to set the measurement average)
:AVERage:COUNt
5
Header portion Space Data portion
(2) Query Messages
Requests for responses relating to results of operation or measurement, or the state of instrument settings
Example: (request for the current measurement average)
:AVERage:COUNt ?
Header portion
Question mark
See:
“Headers (p.2)”, “Separators (p.3)”, “Data Formats (p.3)”
Program Messages
Response Messages
Controller
Instrument
Summary of Contents for Super megohm SM7110
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