VXI VT1422A - Manual (Page 482)

480 Glossary Appendix D
Control Processor The Digital Signal Processor (DSP) chip that
performs all of the VT1422A's internal hardware
control functions as well as performing the EU
Conversion process.
DSP Same as Control Processor
EU Engineering Units
EU Conversion Engineering Unit Conversion: Converting binary
A/D readings (in units of A/D counts) into
engineering units of voltage, resistance,
temperature, strain. These are the "built in"
conversions (see SENS:FUNC: ...). The
VT1422A also provides access to custom EU
conversions (see SENS:FUNC:CUST in
command reference and "Creating and Loading
Custom EU Tables" in Chapter 3).
FIFO The First-In-First-OUT buffer that provides
output buffering for data sent from an algorithm
to an application program.
Flash or Flash Memory Non-volatile semiconductor memory used by the
VT1422A to store its control firmware and
calibration constants
RSC unit or RSCU This stands for Remote Signal Conditioning Unit.
The VT1529A/B Remote Strain Conditioning
unit is an example of an RSC.
Scan List A list of up to 512 channels that is built by the
ROUTE:SEQUENCE:DEFINE command and
analog input channels referenced in algorithms as
they are defined. This list will be scanned each
time the module is triggered.
SCP Signal Conditioning Plug-on: Small circuit
boards that plug onto the VT1422A's main circuit
board. Available analog input SCPs can provide
noise canceling filters, signal amplifiers, signal
attenuators and strain bridge completion. Analog
output SCPs are available to provide
measurement excitation current, controlling
voltage and controlling current. Digital SCPs are
available to both read and write digital states, read
frequency and counts and output modulated pulse
signals (FM and PWM).