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Glossary
146
D
−
R 800
14 Glossary
ASCII
A
merican
S
tandard
C
ode for
I
nformation
I
nterchange
is a 7-bit character code which includes
the Latin alphabet in upper and lower
case, the ten Arabic numbers and a range
of special and control characters. In
computers and other electronic that
process text, the text is generally held in
ASCII format.
BCD or BCD code
BCD or BCD code in information
technology generally means the
8-4-2-1
code
.
This is a numerical code which
individually dual codes every digit of a
decimal number. The sequence 8-4-2-1
stands for the values of the digits in a
dual coded decimal number. In individual
cases the designation BCD is also used
synonymously to the numeric code
meaning the general binary coding of
individual decimal digits. The BCD code
should not be confused with the BCD
counting code.
Binary
or
Binary file
A
binary file
is a file which in contrast to a
pure text file also contains non-alphabetic
characters. In such as file therefore any
byte value may occur. Files in binary
format are generally used to store data
and executable programs. The
executable files of compiled programs are
therefore often referred to simply as
binaries.
Binary formats can be read and saved
more quickly than text files and require
less storage space on mass storage
media. Special editors are required for
reading, editing and saving binary data
formats.
BImSchV
Federal Emissions Control Act
Claus-unit
In der Clausanlage werden sämtliche
H
2
S-haltigen Abgase, die anfallen, aufge-
arbeitet. Hierbei wird das gifitge H
2
S zu
elementarem Schwefel und Wasser um-
gewandelt.
cyclic communications
Interface communication of the data in a
defined sequence, separated by specified
demarcation characters (such as
semicolons), are transmitted combined
into data packets.
Extinction
the; <lat.>: amongst others (phys.)
attenuation of a wave motion (radiation)
when passing through a medium
by conversion of the transmission into
extinction and after a gravimetric
comparison measurement, the display is
output in mg/m³. By calculation based on
the reference variables T, P, RF for dust
concentrations this result is given in
mg/Nm³.
Forward scattering
In physics, scattering generally refers to the
deflection of an object through interaction
with another local object (scattering centre).
An example is the scattering of light on fine
particulates. Forwards scattering refers to
scattering processes in which only a small
deflection occurs (small scattering angle).
The measurement is therefore recorded
from the front, so against the beam
direction.
Frame
in this manual generally means a data
package
Gravimetry
the;
<lat.>:
(Chem.) Measurement
analysis; method for quantitative definition
of elements and groups in mixtures of
materials.
In situ
measurement process
The term in situ (lat. for at the (original)
location, on the premises, "on the spot")
in environmental technology denotes the
execution of defined procedures on the
spot.
Modbus
(interface communication)
The Modbus protocol is a communication
protocol based on a master/slave or
client/server architecture. Modbus has
become a facto standard in industry, as it
is an open protocol.
Using Modbus a master (e.g. a PC) and
several slaves (e.g. measurement and
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