FB110E (P0972AJ)

Basic Information

Model: FB110E (Part Number: P0972AJ)

Manufacturer: Foxboro (Schneider Electric)

Type: 10MB Ethernet Field Bus Isolator

System: I/A Series DCS

Status: Obsolete (DCS spare part)

Core Specifications

Communication Interface: 10 Mbps Ethernet (galvanically isolated)

Isolation Voltage: 2500 V RMS (channel-to-ground)

Power Supply: 24 VDC ±10%

Power Consumption: Approx. 5 W

Operating Temperature: -40 °C to +85 °C

Environmental Rating: ISA S71.04 Class G3 (harsh industrial environments)

Mounting: DIN rail or standard I/A Series baseplate

Features & Applications

Key Features

Galvanic Isolation: Provides high-voltage isolation for 10 Mbps Ethernet, protecting DCS controllers from ground potential differences, surges, and electrical noise in the field.

Signal Repeating: Extends fieldbus communication distance and enhances signal integrity.

Network Segmentation: Isolates network segments, contains fault propagation, and improves overall network stability.

Typical Applications

DCS Network Isolation: Ethernet isolation between I/A Series system controllers (e.g., CP40B) and fieldbus modules (FBMs).

Industrial Ethernet: 10 Mbps Ethernet link isolation in high-noise environments such as petrochemical, power generation, and water treatment plants.

Legacy System Migration: Isolation adapter for Westinghouse WDPF system to Foxboro I/A Series migrations.

Additional Benefits

Plug-and-Play: Compatible with I/A Series backplane; no complex configuration required.

Redundancy Support: Works with redundant network architectures to ensure uninterrupted communication.

Wide Temperature & Vibration Tolerance: Designed for extreme industrial environments, ensuring high reliability.