Eaton EASY222-DN, Руководство пользователя

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Glossary
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LSB Abbreviation for “Least Significant Bit“. Bit with the least
significant value.
Common All interconnected inactive equipment parts which are not
subject to hazardous fault voltage.
Ground strap Flexible conductor, mostly braided. Interconnects inactive
parts of equipment, e.g. the doors of a control panel and the
switch cabinet body.
Master Station or node in a bus system that controls communica-
tion between the other stations of the bus system.
Master/Slave Mode Operating mode in which a station or node of the system
acts as master that controls communication on the bus.
mode Operating mode.
Module bus Represents the internal bus of an XI/ON station. Used by the
XI/ON modules for communication with the gateway. Inde-
pendent of the fieldbus.
MSB Abbreviation for “Most Significant Bit“. Bit with the most
significant value.
Multimaster Mode Operating mode in which all stations or nodes of a system
have equal rights for communicating on the bus.
NAMUR Abbreviation for “Normen-Arbeitsgemeinschaft für Mess-
und Regeltechnik” (Standards Committee for Measurement
and Control Technology). Namur actuators are special types
of two-wire actuators. They are highly resistant to interfer-
ence and reliable due to their special construction, e.g. low
internal resistance, few components and short design.
Offline Connection Set The Offline Connection Set allows communication with a
device that is in communication error state but not in bus-
off state due to an ambiguous address. It is usually no
longer possible to address this device on the network, and
it must be initialized manually by switching it off and on.
The Offline Connection Set can be used in this situation to
address such a device on the network.
Overhead System management time. Required once for each data
transfer cycle.