Glossary-1
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
Glossary
Aggregate current
Aggregate of the currents of all output channels of a digital output module.
Automation system
An automation system is a programmable logic controller consisting of at least
one CPU, various input and output modules and operator interfaces.
Bus
Common transmission channel to which all stations are connected; a bus has
two defined ends.
In the case of the ET 200, the bus is a two-wire or fiber-optic cable.
Bus connector
The physical link between bus node and bus cable. There is a special bus
connector for ET 200X (= connector for PROFIBUS-DP) with a degree of
protection rating of IP 65.
Chassis ground
Chassis ground refers to all the interconnected inactive parts of a piece of
equipment that, even in the event of a fault, cannot carry voltage that is
dangerous to the touch.
Configure
Configuring means planning individual components in a distributed I/O system.
Device master file
A device master file contains all the DP-slave-specific features. The format of the
DDB file is specified inIEC 61784-1:2002 Ed1 CP 3/1.
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