+86 13313703791
+86 13313703791
seren@ymgkplc.com
Description
FOXBORO FBM216B P0927AJ is a HART analog input fieldbus module designed for the I/A Series DCS platform. This module features 8 mutually galvanically isolated input channels compatible with standard 4–20mA transmitters and HART smart instruments. Two FBM216B modules can be configured as a redundant pair in master/tracker mode for uninterrupted signal acquisition on critical control loops. Each channel integrates an independent HART modem to enable bidirectional digital communication for retrieving transmitter diagnostics, range parameters and device identification data. It is widely used as replacement spare parts for Foxboro DCS systems in process plants.
Series
The I/A Series distributed control system was originally developed by Invensys Foxboro and now belongs to Schneider Electric. The FBM family consists of fieldbus I/O modules including analog, digital, HART and fieldbus interface variants, compatible with FCP270, FCP280 and other controllers.
Product Features
- 8 galvanically isolated analog input channels for 4–20mA DC, supporting mixed installation of conventional 4–20mA instruments and HART smart transmitters.
- Independent built-in HART FSK modem on each channel, supporting HART universal and device-specific commands for remote instrument diagnostics.
- Supports dual-module redundant architecture: master/tracker configuration sharing one terminal assembly with bumpless automatic switchover upon failure.
- Each channel supports internal loop-powered or external powered wiring modes.
- Sigma-Delta high-precision ADC conversion with accuracy ±0.075%FS and 15-bit resolution.
- Front-panel LED indicators for module status, master/tracker mode and channel fault diagnostics.
- Rugged industrial aluminum housing suitable for Class G3 harsh industrial environments.
- Requires matching terminal assembly (typical part number P0924JH) for field wiring termination.
Product Parameters
| Item | Details |
|---|---|
| Part Number | FBM216B / P0927AJ |
| Brand | FOXBORO (Invensys) |
| Series | I/A Series DCS |
| Channel Count | 8 isolated analog input channels |
| Input Signal | 4–20mA DC with superimposed HART FSK signal |
| Resolution | 15 bit |
| Accuracy | ±0.075% full scale |
| Redundancy | Supports FBM-level redundant pairing (Master / Tracker) |
| HART Support | HART universal commands; burst mode not supported |
| Power Supply | Backplane powered 24VDC |
| Matching Termination Assembly | P0924JH |
| Operating Temperature | 0℃ ~ +60℃ |
| Storage Temperature | ‑40℃ ~ +70℃ |
| Humidity | 5–95% RH, non‑condensing |
| Weight | Approx. 0.45 kg |
| Discontinued Status | Obsolete, spare‑part only |
Product Specifications
- Installation: Mounted on I/A Series 100/200 series I/O rack
- Update rate: 100 ms block processing cycle
- Maximum HART cable length: up to 3030 m (per HART standard)
- Certification: CE, UL listed
- Remark: Not recommended for new projects; only for maintenance of legacy Foxboro I/A Series DCS.
Function
- Collect 4–20mA process signals from field transmitters and convert analog signals into digital data for DCS controllers.
- Establish bidirectional HART communication with smart instruments to access device parameters, alarms and diagnostic information.
- Support redundant hot-standby operation and automatic switchover to standby module when primary module fails.
- Detect channel open circuit, short circuit and out-of-range faults and upload alarm information to the system.
- Transmit real-time process variables and device diagnostic data to I/A Series control processors.
Purpose
HART smart transmitter signal acquisition module for Foxboro I/A Series DCS systems. It acquires analog signals for critical process loops and enables digital instrument management with high-reliability redundant control.
Application Fields
- Petrochemical & refinery DCS maintenance
- Thermal power plant control system retrofit
- Oil & gas onshore / offshore process automation
- Pulp and paper plant process control
- Legacy Foxboro I/A Series site spare‑part replacement
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