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7 Glossary
A
AWG
Abbreviation for American Wire Gauge
AWG is the American dimension unit for the cross section of cables and con-
ductors.
Examples: -AWGF22 = 0.35 mm²
B
Bit
Smallest information unit. Its value can either be 1 or 0.
Bitrate
Number of bits transmitted within a time unit.
Bridge
A bridge is used to transmit information independent of the information tar-
get. It is used for coupling domains, e. g. for passing on system information
which is not limited to one unit.
Building function
The building function is a function especially intended for the use in build-
ing automation, such as stairwell light and blind controls.
Bus
Pipeline for bit serial oder bit parallel, synchronized data transfer. A bus for
the bit parallel data transfer consists of address-, data-, control- and supply
bus. If the data bus comprehends 8, 16, 32 or 64 bits and the clock pulse is
authoritative for it, how fast the data can be transmitted. The width of the
address bus limits the possible extension of the network.
Buscoupler
Short form for Fieldbus-coupler.
Byte
Binary Yoked Transfer Element. A byte generally contains 8 bits.
-AWG26 = 0.15 mm².
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