FBM05

Basic Information

Model: FBM05 (Part Number: P0400YF)

Manufacturer: Foxboro (Schneider Electric)

Type: 4-Channel Redundant Isolated Analog Input + 4-Channel Redundant Isolated Analog Output (4AI+4AO)

System: I/A Series DCS

Status: Obsolete (spare parts only)

Core Specifications

Analog Input (4 Redundant Isolated Channels)

Signal Range: 0–20.4 mA DC (4–20 mA selectable)

Input Impedance: 250 Ω per channel

Resolution: 12-bit

Accuracy: ±0.25% of full span (external transmitter, 25°C)

Isolation: 600 VAC channel-to-channel & channel-to-ground isolation

Analog Output (4 Redundant Isolated Channels)

Signal Range: 0–20.4 mA DC (4–20 mA selectable)

Max Load: 735 Ω per channel

Compliance Voltage: 18 VDC nominal @ 20 mA

Resolution: 12-bit

Accuracy: ±0.10% of full span (25°C)

Settling Time: 100 ms (1% band, 10–90% step)

General

Fieldbus: 2 Mbps redundant

Power Supply: 24 VDC ±10%

Power Consumption: Max 10 W

Operating Temperature: -20 °C to +70 °C

Environmental Grade: ISA S71.04 Class G3

Mounting: Standard I/A Series baseplate

Hot Swappable: Yes (redundant pair)

Redundancy: 1:1 module-level redundancy, bumpless switchover

Key Features

Redundant I/O: Dual-module 4AI+4AO redundancy ensures no signal loss on fault

Full Isolation: 600 VAC galvanic isolation eliminates ground loops and EMI

High Precision: 12-bit resolution with ±0.10% (AO) / ±0.25% (AI) accuracy

Redundant Communication: Dual 2 Mbps fieldbus links for reliable data transmission

Hot-Swap & Diagnostics: Online replacement; LED status + DCS fault monitoring

Application

Input: Reads 4–20 mA from pressure/flow/level/temperature transmitters

Output: Drives 4–20 mA control valves, I/P converters, positioners

Industries: Chemical, petrochemical, power, oil & gas, water treatment

Compatibility: I/A Series DCS (CP10/30/40/60 controllers)