FBM09A/14A

Basic Information

Model: FBM09A/14A

Manufacturer: Foxboro / Schneider Electric

Type: 32 Channel Isolated 24VDC Digital Input Module

System: I/A Series DCS

Status: Obsolete, spare part only

Technical Specifications

Channel quantity: 32 isolated input channels

Input type: 24VDC level input and dry contact closure

Logic threshold: Logic 0 ≤ 6VDC, Logic 1 ≥ 18VDC

Isolation: Full galvanic isolation channel-to-channel and channel-to-ground

Response time: ≤ 1ms

Debounce time: Software configurable

Fieldbus: 2 Mbps redundant fieldbus

Power supply: 24VDC ±10%

Power consumption: Max 5W

Operating temperature: -20°C to +60°C

Environmental rating: ISA S71.04 Class G3

Mounting: Standard I/A Series baseplate

Hot swappable: Supported under redundant configuration

Key Features

High density 32-channel isolated digital input.

Designed for 24VDC field switch and dry contact signal collection.

Enhanced circuit stability and anti-interference performance compared with standard FBM09.

Galvanic isolation eliminates ground loop and electromagnetic interference.

Redundant fieldbus ensures reliable signal transmission.

Equipped with LED status indication and self-diagnostic function.

Supports online hot-swap replacement without system shutdown.

Application

Acquire status of limit switches, valve position signals, relay contacts and equipment interlock feedback.

Used for interlock logic, sequence control and equipment status monitoring in process industries.

Suitable for chemical, petrochemical, power, oil & gas and water treatment plants.