Description
Product Core Brief
- Model: FBM202
- Brand: Foxboro (Invensys / Schneider Electric)
- Series: I/A Series Distributed Control System (DCS)
- Core Function: Acquires 8 channels of isolated thermocouple and millivolt input signals with built-in cold junction compensation.
- Product Type: Field Bus Module (FBM) / Thermocouple Input Card
- Key Specs: 8 Channels | K/J/T/E/B/R/S/N Types | P0926EQ Part Number
- Condition: New Original (New Surplus) | Factory Sealed
Key Technical Specifications
| Parameter | Value |
|---|---|
| Module Type | Thermocouple / mV Input Field Bus Module (FBM) |
| System Platform | Foxboro I/A Series DCS |
| Channel Count | 8 Independent Isolated Input Channels |
| Supported TC Types | K, J, T, E, B, R, S, N |
| Manufacturer Part Number | P0926EQ |
| Cold Junction Compensation | Integrated RTD Reference Channel |
| Mounting | Plug-in I/A Series FBM Baseplate |
| Application | Chemical, Oil & Gas, Power Generation |
| Environmental Rating | Industrial Grade, High Precision |
| Condition | New Original (New Surplus) |
| Warranty | 1-Year Functional Warranty |
FOXBORO FBM202
Product Introduction
Maintaining precise thermal monitoring in an I/A Series system requires exact hardware matching, and the delivers accurate thermocouple signal processing for critical heat management. This field bus module serves as the primary interface between thermocouple sensors and the I/A Series node, converting raw millivolt signals into precise digital temperature data for the controller.
Designed for high-reliability continuous process control, this unit features 8 independent isolated channels with integrated cold junction compensation and modular construction for rapid replacement. The ensures that your DCS maintains the exact temperature measurement accuracy required for safe and efficient plant operations, whether in chemical reactors, refinery furnaces, or power generation turbines.
Key Selling Points & Differentiators
- Multi-Type Thermocouple Support: Processes 8 channels of thermocouple inputs (K, J, T, E, B, R, S, N) with high accuracy, ensuring reliable temperature data for thermal control and monitoring.
- Integrated Cold Junction Compensation: Features a dedicated isolated RTD reference channel for terminal temperature sensing, eliminating the need for external compensation hardware.
- Verified Functionality: Every undergoes a 24-hour live load test on a dedicated I/A Series test rack before shipping, complete with a signed test report.
- Not Recommended For: Do not use this module for standard 4-20mA, RTD, or voltage inputs; it is strictly a thermocouple/mV input card. Use FBM201 for analog current inputs or FBM203 for RTD signals.
- Stock Availability: Current inventory is factory-sealed new surplus with traceable lot numbers; typically ships within 48 hours of order confirmation.
- Warranty Backed: Includes a 1-year functional warranty covering manufacturing defects and DOA conditions, with no restocking fees for verified failures.
FOXBORO FBM202
FAQ
Yes. All units in stock have passed our 24-hour live bench test and include a signed test report. We ship same-day for orders placed before 2 PM EST, so you’ll have tracking before end of day.
The is designed for standard I/A Series FBM baseplates, but verify your baseplate revision first. Some early-generation baseplates may require a specific firmware level in the node processor to recognize newer FBM revisions. Send us your baseplate part number, and we’ll confirm compatibility within 30 minutes.
The (P0926EQ) is the newer-generation thermocouple module, while the FBM02 is a legacy variant. They are functionally similar but may have different baseplate requirements or firmware dependencies. If your system specifies , stick with the to avoid engineering rework.
Do I need to reconfigure the module after installation?
No. The retains its configuration in the I/A Series node processor, not on the module itself. Simply plug it into the same slot, and the system will recognize it automatically. However, always verify thermocouple type selection and engineering units in your DCS configuration tool after replacement.
What if the module fails within the warranty period?
We offer a no-questions-asked replacement for any verified manufacturing defect. Ship the failed unit back with your RMA number, and we’ll send a replacement within 24 hours of receipt. We also provide a loaner program for critical control loops to minimize downtime.
Can this module handle high-interference environments?
Yes. The features channel-to-channel and channel-to-ground electrical isolation designed for industrial environments. However, ensure your thermocouple wiring uses properly shielded extension wire with correct polarity. We’ve seen temperature drift issues traced to poor shielding or reversed TC leads, not module failure.
Is this a refurbished or new surplus unit?
This is New Original (New Surplus) – factory sealed, never installed, with full traceability to the original manufacturing lot. It is not refurbished, repaired, or pulled from a decommissioned system. We provide the original manufacturer’s lot code upon request for your quality records.
Quality Transparency SOP
- Incoming Verification: Source traceability confirmed via lot code; anti-counterfeit visual inspection; serial number cross-referenced with OEM records; accessories verified.
- Live Bench Test: Dedicated I/A Series test rack; power-on self-check; 8-channel thermocouple/mV full-scale simulation; cold junction compensation validation; node communication handshake test; 24-hour continuous load test; signed test report generated.
- Electrical Tests: Insulation resistance verified at 500V megger (>10 MΩ); ground continuity confirmed; channel-to-channel isolation validated.
- Firmware Verification: Firmware version recorded; DIP/jumper configuration backed up and documented.
- Final QC & Packaging: QC sign-off; anti-static seal applied; shock protection installed; QC Passed label affixed with date and inspector ID.
Test photos and video available upon request. We never claim “100% failure-free” – we provide verified, tested units with documented performance.
Technical Risk Avoidance
- Thermocouple Type Mismatch: Risk: Incorrect temperature readings. Prevention: Verify the DCS configuration matches the actual thermocouple type installed in the field. Field Note: We’ve seen FBM202s report wildly wrong temperatures because the DCS was configured for Type K but the field had Type J installed. Always verify the TC type.
- Polarity Reversal: Risk: Temperature reading drops instead of rises. Prevention: Verify TC extension wire polarity at the terminal block. Field Note: A reversed thermocouple lead caused a reactor temperature to read 200°C lower than actual. Check polarity before powering up.
- Baseplate Seating: Risk: Intermittent communication or channel dropouts. Prevention: Ensure the module is fully seated and locked onto the baseplate. Field Note: A partially seated FBM caused random TC channel failures. Push firmly until the latch clicks.
- Cold Junction Compensation Issues: Risk: Temperature offset errors. Prevention: Ensure the module’s internal RTD reference channel is functioning and the terminal block is properly installed. Field Note: A missing terminal block caused 15°C of temperature drift across all channels. Verify the TA is present.
- ESD Damage: Risk: Silent analog drift or channel failure. Prevention: Use grounded wrist strap and anti-static mat during handling. Field Note: We’ve tested modules that passed power-on but had drifted TC readings after 48 hours due to ESD. Handle with care.
