2. Description of the Barracuda
Cabinet and Modules
2012-10/4.3A
13
Barracuda & QABrowser Reference Manual
MP-SEM
Signal Expansion Module for MPD.
Combined with MPM.
EMM LED
indicator
Indicates if the
module is selected
or active
EMM Input
Channel #2 (b)
EMM Input
Channel #1 (a)
MPM
Multi-Purpose
Module. Connects to
MPD.
MPM LED indicator
Indicates if the
module is selected or
active
MPM Connector
Connects to MPD via
the MPD Cable.
MP-SEM
MPD high-speed
electrometer input
Waveform out and Trig out
From MPD
The figure above shows a cabinet with three modules and three free slots ("dummy
modules"). The number and type of modules are depending on the configuration of
your Barracuda system.
An orange LED indicator is located on all modules. The LED indicator is used for
different purposes:
· Indicates that the module is selected.
· Used to guide the user to connect a probe or detector to the right module.
The function of the LED is described more in detail in the topic Hardware and
Specifications .
The following module types are presently available
Multi-Purpose Module. The Multi-Purpose Detector is connected to this
module via a 2 m cable (or an optional 6 m cable).
This module is used for special measurements. The module has a
signal input that can be used to acquire any kind of external signal. The
module also has a Trig In and a Trig Out connector. This makes it
possible to start a measurement from an external signal rather than
from the measured signals. You can also supply a trig signal from the
Barracuda to other systems.
Five different types of EMM modules (electrometer modules) are available.
One channel electrometer without bias voltage. This module is
necessary for all standard measurement with solid-state dose
detectors, light detector, and mAs probes.
Two channel electrometer without bias voltage. It is the same as
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