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S800 I/O Communication interfaces – CI845

Select I/O is a single-channel, granular I/O system based on Ethernet networks for the ABB Ability™ System 800xA automation platform. Select I/O minimizes the impact of last-minute changes by separating project tasks and supports the standardization of I/O cabinets, ensuring automation projects are delivered on time and within budget. Signal processing and the reinforcement of the connected field device for one I/O channel are handled by a Signal Conditioning Module (SCM).

The CI845 Ethernet Fieldbus Communication Interface Module (FCI) is responsible for the communication between S800 I/O or Select I/O and the AC 800M controllers. For redundant configurations, two CI845 modules need to be installed in the TU860 or TU865 Ethernet Field Communication Interface MTUs.

Features and Benefits

  • Can be used in single or redundant configurations.
  • Supports both Select I/O and S800 over Ethernet.
  • Supports up to 12 single or 12 redundant S800 I/O modules.
  • Supports up to 192 Select I/O channels.
  • Can be used with single or redundant 24V power supplies.
  • Internal power voting.
  • Internal monitoring of power supply A and power supply B.
  • Internal cabinet temperature measurement.
  • Internal diagnostics.
  • Soft positioning.
  • Optimized engineering.
  • HART v7, HART pass-through.
  • HART variables for application (Select I/O).
  • Event sequencing.
  • Hot swap support.
  • Suitable for hazardous areas.
  • Mechanical lock slider before power-off.
  • Mechanically switched.
  • LED indicators
Article number 3BSE075853R1
Communication protocol Ethernet
Type Ethernet FCI Module
Master or slave Slave
HART Yes
SOE Yes
Redundancy Yes
Hot swap Yes
High integrity N/A
Intrinsic safety N/A
Mechanics Select I/O

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