Appendix
140
05/01 AWB2700-1384GB
external conductive bodies via an
electrical connection.
potential linked Electrical connection of the
reference potential of control and
load circuits in I/O-modules.
protective conductor A necessary conductor for the
protection against dangerous
currents, connection is made by the
PE (protective earth).
reaction time The time required between a
reading operation being sent and
the receipt of an answer. In the
caseof an I-module the time
required between the changing of
the signal at the input and the
output of the same to the bus
system.
reference potential Potential from which all voltages of
connected circuits are considered
and/or measured.
repeater Amplifier for bus transmitted
signals.
RS 485 Serial interface, according to EIA
standard, for fast data transmission
via multiple transmitters.
serial Information is transmitted bit by bit
one after the other along the cable.
shield Expression for the conductive screen
of cables, housings and cabinets.
shielding Expression used to describe the
measures and parts used to join
installation components to the
shield.
short-circuit proof Characteristic of electrical parts. A
short-circuit proof part withstands
thermal and dynamic loads due to a
short circuit in the installation.
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