Description
Product Core Brief
- Model: FBM218 P0922VW
- Brand: Foxboro (Invensys / Schneider Electric)
- Series: I/A Series Distributed Control System (DCS)
- Core Function: Provides 8 channels of isolated 4-20mA analog outputs with integrated HART protocol communication for smart valve positioners and actuators.
- Product Type: Field Bus Module (FBM) / Redundant HART Analog Output Card
- Key Specs: 8 Channels | 4-20mA + HART | P0922VW Part Number
- Condition: New Original (New Surplus) | Factory Sealed
Key Technical Specifications
| Parameter | Value |
|---|---|
| Module Type | Redundant HART Analog Output Field Bus Module (FBM) |
| System Platform | Foxboro I/A Series DCS |
| Channel Count | 8 Independent Isolated Output Channels |
| Output Signal | 4-20mA Analog Current Loop |
| Protocol Support | HART (Highway Addressable Remote Transducer) |
| Manufacturer Part Number | P0922VW |
| Redundancy | FBM-Level Redundancy (Paired Operation) |
| Channel Isolation | 600V AC (Channel-to-Channel & Ground) |
| Mounting | Plug-in I/A Series FBM Baseplate |
| Environmental Rating | Industrial Grade, G3 Harsh Environment |
| Condition | New Original (New Surplus) |
| Warranty | 1-Year Functional Warranty |
FOXBORO FBM218
Product Introduction
Driving smart field actuators in an I/A Series system requires an output module that delivers precise analog control while enabling digital asset management. The provides 8 channels of isolated 4-20mA outputs with built-in HART communication, allowing your DCS to send control signals and receive diagnostic feedback from smart positioners and actuators simultaneously.
Designed for high-availability critical control, this module supports FBM-level redundancy and features dedicated FSK modems per channel for reliable bidirectional HART communication. The ensures that your final control elements operate with precision while providing real-time visibility into valve health, stiction, and calibration status, making it essential for predictive maintenance in chemical, oil and gas, and power generation applications.
Key Selling Points & Differentiators
- Integrated HART Output Communication: Processes 8 channels of 4-20mA analog outputs while supporting bidirectional HART digital communication for actuator diagnostics, configuration, and secondary variable access.
- FBM-Level Redundancy: Designed to operate in pairs (primary/standby) to provide seamless redundancy at the module level, ensuring continuous output current during hardware failures.
- Dedicated FSK Modems: Each channel has its own FSK modem for reliable HART communication, preventing crosstalk and ensuring stable digital data transfer even in noisy industrial environments.
- 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 0-20mA, RTD, or thermocouple outputs; it is strictly a 4-20mA HART output card. Use FBM237 for non-HART redundant outputs.
- 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 FBM218
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 HART output FBM revisions. Send us your baseplate part number, and we’ll confirm compatibility within 30 minutes.
The FBM215 is a HART input module for reading smart transmitters, while the is a HART output module for driving smart actuators and positioners. They are not interchangeable; is specifically for output control loops.
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 HART device addresses, output scaling, and redundancy settings in your DCS configuration tool after replacement.
What if one module in the redundant pair fails?
The healthy module (standby) will automatically assume primary status and continue providing the appropriate 4-20mA output current while reporting the fault. You can hot-swap the failed module without removing field wiring or interrupting process control.
Can this module handle high-interference environments?
Yes. The features dedicated FSK modems and 600V AC channel isolation designed specifically for noisy industrial environments. However, ensure your field wiring uses shielded twisted-pair cable with proper grounding at the baseplate end. We’ve seen HART communication failures traced to poor shielding, 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 4-20mA full-scale output simulation; HART communication handshake test; redundant failover validation; 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 at 600V AC.
- Firmware Verification: Firmware version recorded; HART stack revision documented; DIP/jumper configuration backed up.
- 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
- HART Loop Resistance: Risk: HART communication failure. Prevention: Verify loop resistance is 250Ω–600Ω; add resistor if below 250Ω. Field Note: We’ve seen HART polling fail because the loop was only 180Ω. A 2 resistor fixed a 3,000 “bad card” diagnosis.
- Redundancy Pairing Mismatch: Risk: Redundant module not syncing. Prevention: Ensure both modules are identical revision and firmware. Field Note: Mixing and FBM218B cards in a redundant pair caused autosense failures. Match the suffix exactly.
- 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 HART output failures. Push firmly until the latch clicks.
- HART Address Conflict: Risk: Multiple devices on same address. Prevention: Document HART device addresses before removal. Field Note: A duplicate HART address caused two positioners to fight for the same slot. Take a screenshot of your configuration before you pull the card.
- ESD Damage: Risk: Silent HART stack failure. Prevention: Use grounded wrist strap and anti-static mat during handling. Field Note: We’ve tested modules that passed analog output checks but failed HART communication after 48 hours due to ESD. Handle with care.
