Description
1. Product Title
Foxboro FBM204 P0914SY‑ 4‑In / 4‑Out Channel‑Isolated Analog Combined I/O Module, I/A Series DCS
2. Product Overview
The P0914SY (FBM204) is a hybrid analog fieldbus module for Foxboro I/A‑Series Compact 200 DCS rack. It integrates 4 channel‑isolated analog inputs and 4 channel‑isolated analog outputs in one unit, supporting 0‑20 mA signal type. Every channel provides individual galvanic isolation to eliminate ground‑loop interference between field transmitters and control valves. Supports HART pass‑through for smart instrument remote access. Hot‑swappable design allows module replacement without disconnecting field wiring or system shutdown. On‑board diagnostics detect open‑circuit, short‑circuit and module fault, reported to DCS operator station. It matches dedicated terminal assembly for field wiring. Discontinued EOL hardware, mainly used as spare‑part replacement for existing running petrochemical, chemical and power‑plant DCS racks.
3. Technical Specifications
- Brand: Foxboro (Schneider Electric / Invensys)
- Model: FBM204, part‑number P0914SY
- Warranty: One Year
- Condition: 100% New & Original
- Channel configuration: 4 isolated analog inputs + 4 isolated analog outputs
- Signal range: 0‑20 mA DC
- Isolation: Per‑channel galvanic isolation, 1500 Vrms dielectric withstand
- HART: HART protocol pass‑through supported
- Accuracy: ±0.15 % full‑scale typical
- Diagnostics: Open‑loop, short‑circuit detection; front‑panel status LED indicators
- Feature: Hot‑swappable, Compact 200 rack form factor
- Matching Terminal Assembly: P0915SY
- Operating temperature: ‑40 °C ~ +70 °C
- Humidity: 5‑95 % RH non‑condensing
- Mounting: Slot‑in installation in Foxboro Compact 200 rack
- Weight: Approx 0.5 kg
- Remark: End‑of‑life product, spare‑part‑only
- Compatibility: Foxboro I/A Series DCS system
- Compliance: CE, UL‑cUL certified
5. Application Scenarios
- Chemical Plant DCS Cabinet: Collect 4‑20 mA process signals from field transmitters meanwhile output modulating 4‑20 mA to control valves for reactor and distillation‑column control loops.
- Petroleum Refinery Automation Rack: Combined analog input & output signal processing for fractionation units, supporting HART smart instrument online calibration.
- Combined‑Cycle Power‑Generation Facility: Used for boiler balance‑of‑plant loops, acquiring process variables and driving modulating valves within one single module, saving rack slot resources.
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