CI855-1 3BSE018134R1
May 11, 2026

CI855-1 3BSE018134R1

ABB CI855-1 / 3BSE018134R1 Basic Information Model: CI855-1 Order No.:3BSE018134R1 Manufacturer: ABB Product Type: MasterBus 300 Communication Interface Module Applicable System: ABB AC800M / 800xA DCS System General Description CI855-1 is a dedicated MasterBus 300 fieldbus interface module for AC800M controller. It is used for communication connection between AC800M controller and S800 I/O stations, realizing remote I/O data acquisition and control signal transmission over MasterBus 300 bus.

Description

ABB CI855-1 / 3BSE018134R1

Basic Information

Model: CI855-1
Order No.:3BSE018134R1
Manufacturer: ABB
Product Type: MasterBus 300 Communication Interface Module
Applicable System: ABB AC800M / 800xA DCS System

General Description

CI855-1 is a dedicated MasterBus 300 fieldbus interface module for AC800M controller.
It is used for communication connection between AC800M controller and S800 I/O stations, realizing remote I/O data acquisition and control signal transmission over MasterBus 300 bus.

Technical Specifications

  • Communication Bus: MasterBus 300

  • Transmission Rate: High-speed fieldbus dedicated rate

  • Supply Voltage: 24 VDC

  • Operating Temperature: 0 °C ~ +55 °C

  • Storage Temperature: −40 °C ~ +70 °C

  • Protection Class: IP20

  • Mounting: Standard ABB controller rack mounting

  • Support Function: Hot swap, online diagnosis, redundant network matching

Main Features

  1. Special interface for MasterBus 300 bus, matched with S800 remote I/O

  2. Realize high-speed data exchange between controller and distributed I/O

  3. Support hot-swappable, online replacement without system shutdown

  4. Complete bus diagnosis and fault alarm function

  5. Widely used in power plant, chemical, metallurgy, water treatment process control

Compatibility

  • Controller: ABB AC800M all series

  • I/O System: S800 I/O Station

  • Platform: 800xA, Advant OCS

CI855-1 3BSE018134R1 (1).jpg


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