Chapter 4 Command Reference

*DDT <arbitrary block>

(Define Device Trigger Command)

*DDT <arbitrary block>

(Define Device Trigger Command)

*DDT <arbitrary block>

Query Response

Comments

Sets or queries the command that the device will execute when it receives the IEEE

488.1Group Execute Trigger (GET) interface message (page 4- 42) or a *TRG common command.

There are only three valid commands that the Counter will accept: :INITiate[:IMMediate], :READ?, or :FETCh?; otherwise, error -224 is generated. If a zero-length <arbitrary block> is specified as the parameter, the Counter will do nothing when it receives a GET or *TRG command.

∙Definite length block

∙The query response will be one of the following:

#14INIT

#15FETC?

#15READ?

#0

terminated with a new line and EOI.

∙*RST: #14INIT

∙When defining the device trigger to :FETCh? or :READ?, note that these definitions do not allow the specification of a particular function. This lack of a function specification results in each *DDT using the function specified/used by the last :CONFigure, :FETCh, :READ, or :MEASure command, if possible.

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Programming Guide