FBM203B

Basic Information

Model: FBM203B

Manufacturer: Foxboro / Schneider Electric

System: I/A Series DCS Compact I/O

Type: 8 Channel Isolated Extended Range RTD Input Module

Status: Spare part only

Specifications

Channel Count: 8 isolated independent RTD input channels

Sensor Type: Pt100, Pt1000, Nickel RTD

Connection Mode: 2-wire, 3-wire

Resistance Range: 0～640 Ω

Sensor Excitation Current: 0.19 mA DC

Max Lead Resistance: 50 Ω per wire

Resolution: 16-bit

Accuracy: ±0.03% full span

Isolation: Channel-to-channel, channel-to-ground galvanic isolation

Dielectric Withstand: 600V AC 1 minute

Fieldbus: Redundant 2 Mbps module fieldbus

Power Supply: 24VDC -10% ~ +5%

Power Consumption: 3W typical, 5W max

Operating Temperature: -20°C to +70°C

Environmental Rating: ISA S71.04 Class G3

Mounting: Compact I/O standard baseplate

Hot Swappable: Supported in redundant configuratio

Key Features

8-channel high precision isolated extended range RTD acquisition.

Supports Pt and Nickel RTD with 2-wire and 3-wire connection.

Extended 0～640Ω resistance range for wide temperature measurement.

Built-in digital filter effectively suppresses industrial field noise.

Redundant fieldbus ensures stable and reliable data communication.

LED status indication and complete self-diagnostic function.

Compact size suitable for high-density cabinet installation.

Application

High range temperature monitoring with RTD sensors.

Process temperature measurement in chemical, petrochemical, power, oil & gas and water treatment industries.