ABB S800 I/O - Prerequisites and Requirements; Intended User

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The MTUs are totally passive units with all active circuitry allocated to the I/O
module. The ModuleBus requires a terminator to be installed after the last MTU of
an I/O cluster.
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The CI810 Fieldbus Communication Interface (FCI) module is a configurable
communication interface which performs operations such as signal processing,
gathering of various supervision information, OSP handling and configuration of re-
inserted I/O modules. The FCI connects to the controller by way of the Advant
Fieldbus 100 (AF 100) twisted pair segment. The FCI supports redundant media
configurations.
Please refer to specifications in 6,2)LHOGEXV&RPPXQLFDWLRQ,QWHUIDFHIRU
$G YDQW)LHOGEXV for more information.
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2.5 meters (8.2 feet) maximum
2.5 meters (8.2 feet) maximum