Programming Examples
VX4792 User Manual
2-41
Synchronous Operation
Generating synchronous output from multiple instrument modules requires
careful preparation. During synchronous operation of two or more modules, the
left-most module within the mainframe is the master. Slave modules, which are
controlled by the master module, are located to the right of the master module.
The operating mode determines whether a trigger is needed to generate synchro-
nous outputs. Table 2–11 summarizes the trigger requirements for the various
output modes. When operating synchronously, the waveform advance mode
should be used instead of continuous mode when generating one waveform.
Table 2-11: Trigger Requirements for Synchronous Output
Output Mode Trigger Required
The following procedure illustrates a setup with a single, line-triggered master
module and a single slave module.
1. Setup the master module.
a. Set the master module to operate in waveform advance mode with the
following command:
In waveform advance mode, the waveform generator will wait for a
command or an external trigger before generating the waveform.
b. Load a waveform file into the waveform memory using the following
command:
The file is any waveform file that is in the waveform
generator memory. The waveform generator settings will match the
output parameters in the waveform file.
c. Select a trigger line using the following commands:
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