Section 4 Device Message Format
4-2
4.1 General Description
The device messages are data messages that are transmitted between the controller
and devices. There are two types of data messages: program messages output from
the controller to the MT8801C, and response messages input from the MT8801C by
the controller. There are also two types of program commands and program queries in
the program message. The program command is used to set this instrument’s param-
eters and to instruct it to execute processing. The program query is used to query the
values of parameters and measured results.
4.2 Program Message Format
To transfer program messages from the controller to the MT8801C using the PRINT
statement, the program message formats are defined as follows:
PROGRAM MESSAGE
PROGRAM MESSAGE
TERMINATOR
PRINT @1,"TFREQ 3GHZ"
Program message
When the program message is
transmitted from the controller
to the MT8801C, the specified
terminator is attached.
(1) PROGRAM MESSAGE TERMINATOR
EOI
SP
NL
NL
EOI
NL
EOI
: New line or LF (Line Feed)
: The EOI signal of the GPIB
interface is used to indicate
message termination.
Cartridge Return (CR) is ignored, and is not processed as a terminator.
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