AVL F-FEM-CON User Manual

105
Glossary and Abbreviations
F-FEM-CON — User’s Guide
7 Glossary and Abbreviations
AB-encoder A speed encoder with 2 tracks (A and B), which are in quadrature.
ADC Analog Digital Converter.
Converts proportional analog quantities into digital numbers.
Add-on A name for the F-FEM-DIO. It has no IEEE1349 network connection but must be
connected to an F-FEM-DAC, F-FEM-CNT or F-FEM-CON using the add-on
interface.
Antialiasing Filter In principle, every sampling system requires an analog input filter, to attenuate
lower frequencies, called aliasing.
Basis-FEM-AIN Basis-Front End Module-Analog In with bayonet locking
Cluster Interconnection of several front end modules, which are connected with the
same ground strap.
DAC Digital Analog Converter.
Converts digital numbers into proportional analog quantities.
DI Digital input
DMS Dehnmesstreifen, German abbreviation usually used for load cell
DO Digital output
EMCON Engine Monitoring and Control.
F-FEM Acronym for Fast-Front End Module.
These include all FEM, that belong to the IEEE1394 family.
F-FEM-AIF Fast-Front End Module-Analog In Fast with bayonet locking
F-FEM-AIN Fast-Front End Module-Analog In with bayonet locking
F-FEM-AIS Fast-Front End Module-Analog In Isolated with bayonet locking
F-FEM-CAIN Fast-Front End Module-Classic Analog In with screw-type locking
F-FEM-CAIS Fast-Front End Module-Classic Analog In Isolated with screw-type locking
F-FEM-CNT Fast-Front End Module-Counter Input
F-FEM-CON Fast-Front End Module-Controller
F-FEM-DAC Fast-Front End Module-Digital Analog Converter
F-FEM-DIO Fast-Front End Module-Digital In Out
F-FEM number Number used to distinguish the modules (please refer to the F-FEM Paramete-
rization manual, Secondary literature on page 13).
FEM Classic Generation preceding the F-FEM.
FEM-P Classic Front End Module-Pressure In with screw-type locking.
FOL converter If fiber optic link (FOL) converter are employed, the 5 V switch must be switched
to ON. This activates the power supply for the FOL converter.
Hall pickup This is a speed encoders with the following characteristics: Its resistance
changes with the magnetic flux density. Using a permanent magnet and a
toothed wheel, it is possible to detect angles and thus measure speed. It is
usually available as a two-track encoder.
Heidenhain Manufacturer of incremental encoders.
IEEE1394 High-speed bus for linking F-FEM modules. Baud rates of 100, 200 or 400 Mbps
are possible. Supports the sychronism of a distributed system by using an
isochronous protocol.
Inductive pick-up Using a permanent magnet, an inductive pick-up generates a voltage in a coil
over an alternating air gap (toothed wheel). This voltage can be evaluated as
angle pulse or speed. It is usually available as a single-track encoder.
Integral
Non-linearity
The integral non-linearity expresses the deviation from the ideal transfer function
relative to the full scale range of the ADC. The ideal transfer function is a line

AVL F-FEM-CON Specifications

General

Brand	AVL
Model	F-FEM-CON
Category	Measuring Instruments
Language	English