ABB CI845 3BSE075853R1 Ethernet Field Communication Interface Module

Description

The CI845 is the head-station for S800 I/O clusters, managing up to 12 modules via the ModuleBus. Using Ethernet, it delivers high-speed data transfer and supports redundant MTU setups for fault-tolerant communication. Ideal for power, oil and gas, and chemical industries, it ensures reliable, high-performance process automation.

Specifications

• Manufacturer: ABB

• Country of Origin: Sweden

• Model Number: CI845 (3BSE075853R1)

• Communication Protocol: Ethernet (specific to S800 I/O requirements)

• Data Rate: 10/100 Mbit/s (Full Duplex)

• I/O Capacity: Up to 12 S800 I/O modules per station

• Redundancy: Supports 1:1 redundant FCI configurations

• Input Voltage: 24 VDC nominal

• Power Dissipation: 4.5 Watts typical

• Interface Type: RJ45 Ethernet connectors

Features

• High-Speed Ethernet Connectivity: Provides a low-latency digital backbone for real-time process data transmission and complex I/O signal management.

• Fault-Tolerant Redundancy: Designed for mission-critical applications, supporting dual-FCI setups for bumpless failover and maximum system uptime.

• Smart Device Integration: Facilitates advanced diagnostics and configuration routing for intelligent field instruments connected via the I/O cluster.

• Station Monitoring: Continuously supervises the health of all attached analog and digital modules, reporting faults immediately to the host controller.

• Live Maintenance Support: Features hot-swap capability, allowing for the replacement of modules without disrupting the communication of the overall station.

• Simplified Hardware Setup: Utilizes standard Ethernet cabling and easy-to-configure addressing for rapid deployment and commissioning.