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Getting Started 1-10
The FAIL LED may be illuminated during normal operation if the
Model 3152 stops communication.
The ACCESS LED (Amber) illuminates each time a command has
been received by the Model 3152. This light remains on during
shared memory data transfer.
The PLL ON LED is off during normal operation. In PLL mode, the
PLL ON illuminates when a valid signal is available at the trigger
input and lock frequency is available at the main output connector.
When the output state is on, the OUTPUT LED (Green) light
illuminates. It goes off when the output state is changed to off.
Programming The
Model 3152
The Model 3152 has no controls on the front panel. Instrument
functions, parameters, and modes can only be accessed through
VXIbus commands. There are a number of ways to “talk” to the
instrument. They all require that an appropriate software driver be
installed in the Resource Manager (slot 0). The rest is a matter of
practice and knowledge of the language in use. There are other
system considerations like address selection that have to be settled
before programming the instrument. These topics are discussed in
later chapters.
Low level programming of the Model 3152 is done using SCPI
(Standard Commands for Programmable Instruments) language via
VXIbus Word Serial Protocol. Programming aspects are covered in
Chapters 3 and 4.
High level drivers like VXIplug&play and WaveCAD are beyond the
scope of this manual. Contact your Racal representative for more
information about high level drivers for the Model 3152.
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