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Communications – CI840A

S800 I/O is a comprehensive, distributed and modular process I/O system that communicates with parent controllers and PLCs over industry-standard field buses. The CI840 Fieldbus Communication Interface (FCI) module is a configurable communication interface that performs operations such as signal processing, gathering of various supervision information, OSP handling, Hot Configuration In Run, HART pass-through and configuration of I/O modules. CI840 is designed for redundant applications. The FCI connects to the controller by way of the PROFIBUS-DPV1 fieldbus. Module termination units to use, TU846 with redundant I/O and TU847 with non-redundant I/O.

Features and Benefits

  • PROFIBUS DP PROFIBUS-DPV1 fieldbus interface. 
  • Supervisory functions of I/O ModuleBus 
  • Isolated power supply to I/O modules 
  • OSP handling and configuration 
  • Input power fused 
  • Hot Configuration In Run 
  • HART pass-through 
Article number 3BSE041882R1
Communication protocol PROFIBUS DP-V1
Master or slave Slave
Line redundancy Yes
Module redundancy Yes
Hot Swap Yes
Used together with HI Controller Yes

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