ABB CI840 3BSE022457R1 S800 I/O Redundant PROFIBUS DP-V1 Interface

Description

The CI840 manages the operations of a complete S800 I/O cluster, supporting up to 12 modules per station. It facilitates high-speed cyclical data exchange and acyclic communication for advanced device diagnostics and parameterization via the PROFIBUS DP-V1 standard. When used in a redundant pair with a dedicated Module Termination Unit (MTU), the CI840 provides a fault-tolerant communication solution that eliminates single points of failure. This module is widely utilized in the oil and gas, chemical, and power industries where continuous process monitoring is non-negotiable.

Specifications

• Manufacturer: ABB

• Country of Origin: Sweden

• Model Number: CI840 (3BSE022457R1)

• Protocol: PROFIBUS DP-V1

• Transmission Rate: Up to 12 Mbit/s (Auto-baud detection)

• Capacity: Supports up to 12 S800 I/O modules per FCI

• Redundancy: Supports 1:1 redundant FCI pairs

• Input Voltage: 24 VDC nominal

• Operating Current: 160 mA typical

• Addressing: Configuration via rotary switches (1–125)

Features

• High-Availability Redundancy: Provides seamless failover capabilities when configured in pairs, ensuring the control system maintains contact with field I/O during hardware maintenance.

• DP-V1 Enhanced Diagnostics: Supports acyclic data services, allowing for sophisticated asset management and deeper diagnostic insights into smart field devices.

• Deterministic Performance: Maintains low-latency communication at speeds up to 12 Mbps, suitable for high-speed process control loops.

• Automated Module Configuration: Automatically initializes and loads parameters to all connected I/O units upon startup or module replacement.

• Flexible Installation: Easily integrates into standard DIN-rail setups and is compatible with a wide range of single and redundant MTUs.

• Industrial Hardening: Features high-level galvanic isolation and EMI protection to ensure stable operation in electrically noisy plant environments.