Section 2: Installation Model 2601B-PULSE System SourceMeter Instrument Reference Manual
2-40 2601B-PULSE-901-01A April 2020
General bus commands
General commands are commands that have the same general meaning, regardless of the
instrument (for example, DCL). The following table lists the general bus commands.
Returns the 2601B-PULSE and all devices on the GPIB to known conditions. See DCL (on
page 2-40) for details.
Initiates a trigger. See GET (on page 2-40) for details.
Cancel remote; restore 2601B-PULSE front-panel operation. See GTL (on page 2-40) for
details.
Goes into talker and listener idle states. See IFC (on page 2-41) for details.
LOCAL key locked out. See LLO (on page 2-41) for details.
Goes into remote operation when next addressed to listen. See REN (on page 2-41) for
details.
Returns the 2601B-PULSE to known conditions. See SDC (on page 2-41) for details.
Serial polls the 2601B-PULSE. See SPE, SPD (on page 2-42) for details.
DCL
Use the device clear (DCL) command to clear the GPIB interface and return it to a known state. Note
that the DCL command is not an addressed command, so all instruments equipped to implement DCL
will do so simultaneously.
When the 2601B-PULSE receives a DCL command, it:
• Clears the input buffer, output queue, and command queue
• Cancels deferred commands
• Clears any command that prevents the processing of any other device command
A DCL does not affect instrument settings and stored data.
GET
The group execute trigger (GET) command is a GPIB trigger that triggers the instrument to take
readings from a remote interface.
GTL
Use the go to local (GTL) command to put a remote-mode instrument into local mode. Leaving the
remote state also restores operation of all front-panel controls.
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