Hioki 9518-02, Instruction Manual

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4.2 Communication Methods by the GP-IB
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Command messages
Query messages
Messages
Program messages
Response messages
NOTE
Response messages
Program messages
4.2 Communication Methods by the GP-IB
In order to control the 3157 by the GP-IB, there are several kinds of messages.
Of these, program messages are those received by the 3157 from the computer,
while response messages are those sent from the 3157 to the computer.
(1) Program messages
Program messages are command messages or query messages.
・
Command messages
are orders for controls of the 3157, such as for making
unit settings or for reset or the like.
Example
:TIMER
_<data>
(Command message which enables and disables the test time)
・ Query messages are orders for responses relating to results of operation,
results of measurement, or the state of 3157 settings. A question mark "?" is
suffixed at the end of the command.
Example
:TIMER?
(Queries the current test time enablement)
(2) Response messages
It represents the response data for query messages from the 3157.
Example
:TIMER
_
ON
(Test time is currently enabled.)
A space is represented by "_" in the examples.