EXFO LTB-8, User Manual

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Using Your Unit and Modules in an Automated Test Environment
206
LTB-8
Writing Remote Control Code
Writing Remote Control Code
Your unit offers many commands permitting complete remote control of all
the supported components. These commands adhere to the SCPI
standard.
You can find all the commands and queries supported by your unit in the
IEEE 488.2 and Specific Commands
appendix. For information on
commands specific to particular instruments, refer to each instrument’s
user guide.
When you write code, you must follow these rules on message reception
and transmission:

The controller must have sent a complete message to the instrument
(including the message terminator) before retrieving a response.

The controller must retrieve all the responses from previous queries
(including the response terminator) before sending a new message to
an instrument.

The controller must not try to retrieve a response from an instrument if
the corresponding query has not been previously sent to the
instrument.