FOXBORO FBM230 P0926GU Analog Input (AI) Module

Description

FOXBORO FBM230 P0926GU Product Introduction

• Model: FBM230 P0926GU
• Brand: FOXBORO (Emerson Automation Solutions)
• Series: FOXBORO I/A Series DCS
• Core Function: Analog input signal acquisition & conversion
• Type: Analog Input (AI) Module
• Key Specs: 24VDC, 8 channels, 4-20mA input
• Supply Status: in stock
• Stock: 19
• Warranty: 18 months
• Ship From: China

FBM230 P0926GU

Detailed Technical Specifications

• Power Supply: 24VDC ±10%, Power Consumption ≤8W (idle)
• Input Type: 4-20mA DC (current loop), 2-wire/4-wire compatible
• Channel Configuration: 8 independent, isolated channels
• Isolation: 1500VAC (rms) channel-to-channel, channel-to-backplane
• Operating Temp: -40°C ~ 70°C, Humidity 5%~95% (non-condensing)
• MTBF: ≥200,000 hours (at 40°C ambient)
• Communication: H1 Fieldbus, compatible with FOXBORO I/A Series backplane

?Core Technical Features

• High-precision 16-bit ADC conversion for accurate signal acquisition
• Built-in signal conditioning & noise filtering (50/60Hz notch filter)
• Channel-level fault diagnosis (open circuit, short circuit detection)
• Hot-swappable design for online maintenance without system shutdown
• Compliant with IEC 61131-2 standard for industrial robustness
• Anti-surge & EMC protection (IEC 61000-4-2/4/5)

?Accuracy & Resolution

Resolution: 16-bit (0.0015% of full scale)

Accuracy: ±0.1% of full scale (4-20mA), ±0.05% at 25°C

Response Time: ≤100ms (90% of step input)

FBM230 P0926GU

System Application, Role & Working Principle

1. Applicable System: It is a standard AI module for FOXBORO I/A Series Distributed Control System. It integrates seamlessly into industrial process control systems. It is widely used in power, petrochemical, chemical, and metallurgical industries. It connects with field sensors to form a complete data acquisition loop.
2. System Role: It acts as a key data acquisition component in the control system. It collects analog signals from field sensors (e.g., pressure, temperature, flow). It converts weak sensor signals into standard digital signals. It transmits data to the I/A Series controller for real-time monitoring and control. It provides fault alerts to ensure system reliability.
3. Working Principle: The module receives 4-20mA analog signals from field sensors. Built-in signal conditioning circuits filter out electromagnetic interference. A 16-bit ADC converts analog signals to digital data. The digital data is processed and transmitted via the I/A Series backplane. It performs self-diagnosis continuously to detect channel faults. It sends fault signals to the controller for timely handling.

?Physical Parameters (Size & Weight)

Dimensions: 190mm (L) × 95mm (W) × 25mm (H) (I/A Series standard size)

Weight: Approximately 280g, compact design for cabinet space saving

Mounting: DIN rail or I/A Series standard rack mounting

Protection Grade: IP20 (front panel), suitable for control cabinet installation

FBM230 P0926GU

Application Industries

• Power Industry: Monitors boiler pressure, temperature, and steam flow signals. Ensures stable operation of thermal power units.
• Petrochemical Industry: Acquires data from flow meters, pressure transmitters. Supports chemical reaction process control.
• Chemical Industry: Collects concentration, pH value, and level signals. Ensures process stability and product quality.
• Metallurgical Industry: Adapts to high-vibration environments. Monitors furnace temperature and molten metal level.

Technical Usage Instructions

• Installation: Mount on FOXBORO I/A Series rack or standard DIN rail. Ensure firm fixation and good ventilation. Keep away from high-temperature heat sources and strong EMI.
• Wiring: Follow official diagrams strictly. Use shielded twisted-pair cables for sensor connections. Separate power and signal cables to reduce interference.
• Configuration: Use FOXBORO I/A Series Configuration Software. Set channel parameters, input range, and alarm thresholds. Calibrate with standard signal generator before operation.
• Maintenance: Check module indicators regularly. Clean surface dust with a dry soft cloth. Test channel accuracy quarterly. Back up configuration data periodically.
• Safety Notes: Cut off power before non-hot-swap maintenance. Do not exceed input signal range (0-24mA). Only qualified technicians can perform debugging.

?Compatibility & Replacement

Compatible with FOXBORO I/A Series controllers (e.g., FCP270, FCP280).

Direct replacement for old AI modules (FBM230 P0926G001, FBM230 P0926G002).

Supports backward compatibility with legacy I/A Series system versions.