3BSE048841R1 CI854B | ABB | FOUNDATION Fieldbus H1 Interface

Product Description

FOUNDATION Fieldbus Integration Overview

The CI854B (Part Number: 3BSE048841R1) is a high-performance communication interface designed specifically for the ABB AC 800M controller family within the System 800xA architecture. Functioning as a Link Active Scheduler (LAS) or a basic device, the CI854B (Model: CI854B) provides a seamless bridge between the controller and FOUNDATION Fieldbus (FF) H1 networks. This module is essential for modern process plants that utilize "Control in the Field" (CIF) strategies, allowing for decentralized logic execution and robust device-level diagnostics. By managing up to four independent H1 links, it ensures that time-critical process data and acyclic maintenance information are transmitted reliably across the fieldbus backbone.

Detailed Technical Specifications

The CI854B (3BSE048841R1) is engineered for high-density field device management and long-term industrial stability.

• Manufacturer: ABB

• Model Designation: CI854B

• Kit/Part Number: CI854BK01 / 3BSE048841R1

• System Compatibility: ABB AC 800M Controllers (PM8xx series), System 800xA

• Protocol Support: FOUNDATION Fieldbus H1 (IEC 61158-2)

• Network Speed: 31.25 kbps (H1 Standard)

• Link Capacity: Supports up to 4 H1 links per module

• Device Limit: Up to 32 devices per H1 link (depending on power consumption and segment design)

• Role: Link Active Scheduler (LAS) capability for network synchronization

• Power Requirements: 24 V DC nominal (supplied via baseplate)

• Redundancy: Full hardware redundancy support (requires dual modules on TP854 baseplate)

• Diagnostics: Front-panel LEDs for Power, Run, Fault, and individual H1 segment status

• Operating Temperature: 0 °C to +60 °C (32 °F to 140 °F)

• Mounting: DIN rail via TP854 or compatible AC 800M termination unit

• Physical Dimensions: 132 mm x 105 mm x 52 mm

• Net Weight: 0.8 kg

• Country of Origin: Sweden / Estonia