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Gpib command structure – EXFO IQS-12004B DWDM Passive Component Test System for IQS-500 User Manual

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Automating or Remotely Controlling the System

184

IQS-12004B

GPIB Command Structure

GPIB Command Structure

The GPIB commands follow the guidelines determined by the Standard
Commands for Programmable Instruments (SCPI) consortium. For
example, the

CONF:CHAN command syntax

is used to change the number of channels to test in the IQS-12004B DWDM
Passive Component Test System.

In this example,

³

CONF identifies that the command is part of the SCPI CONFiguration
subset of commands.

³

CHAN is a keyword that define the function of the command.

³

is included to indicate that a space is required (wsp stands for
white space).

³

is the command parameter.

Keywords must be separated by a colon. A typical command would be

CONF:CHAN 4

This command instructs the system to test four channels in one
acquisition.