Description
Key Technical Specifications
| Parameter | Specification |
| Manufacturer | FOXBORO / Invensys / Schneider Electric |
| Model / Part Number | FBM218 / P0917XV (RH917XV) |
| Output Channels | 8 isolated analog output channels supporting HART protocol |
| Output Signal Range | 0 to 20 mA DC or 4 to 20 mA DC (supports HART digital FSK overlay) |
| Communication | Dual-redundant 2 MB/s Module Fieldbus (Buses A and B) |
| Resolution / Conversion | 13-bit D/A conversion |
| Accuracy | ±0.05% of full scale |
| Output Load Resistance | 0 to 750 Ω maximum load at 20 mA |
| HART Protocol Support | HART v5, v6, and v7 pass-through for smart valve positioners & actuators |
| Channel Isolation | Galvanic isolation (channel-to-channel, channel-to-earth, and channel-to-bus, 600 V AC withstand) |
| Form Factor / Mounting | 200 Series compact enclosure / Baseplate DIN rail mount |
| Operating Voltage | 24 V DC nominal (redundant power rails from baseplate) |
| Power Dissipation | 5.0 W maximum |
| Operating Temperature | −20 to +70°C (−4 to +158°F) |
Product Introduction & Supply Chain Strategy
The FOXBORO FBM218 (P0917XV) is an 8-channel analog output module engineered for Foxboro I/A Series and EcoStruxure Distributed Control Systems (DCS). It converts digital controller commands into high-precision 4–20 mA analog control signals to drive final control elements such as smart valve positioners, variable frequency drives (VFDs), and current-to-pressure (I/P) converters, while simultaneously allowing pass-through HART digital diagnostics to software platforms like Field Device Manager (FDM).
Because the Foxboro 200 Series hardware architecture is maturing toward factory discontinuation, maintaining New Surplus FBM218 units on-site is a crucial risk-mitigation strategy. Sourcing zero-hour, factory-sealed modules eliminates D/A conversion drift, HART modem signal degradation, and output driver failures associated with worn, refurbished stock—safeguarding plant loops and avoiding costly unscheduled shutdowns.
Installation & Configuration Guide
Stage 1: Pre-Installation (Prep & Safety)
- Execute complete Lock-Out/Tag-Out (LOTO) procedures on cabinet field loop power distribution and associated final control devices.
- Put on an ESD-grounded wrist strap before handling the module to protect sensitive D/A converters and HART FSK transceivers.
- Record the target baseplate slot location and check physical keying pin positions on the DIN-rail baseplate slot.
Stage 2: Removal
- Unlatch top and bottom red retaining clips located on the front face of the existing FBM218 housing.
- Pull the module straight forward off the baseplate guide rails to ensure backplane connector pin headers are not bent.
- Inspect the exposed baseplate connector receptacle for dust, debris, or thermal damage prior to inserting the new card.
Stage 3: Installation (Clone & Seat)
- Confirm physical keying tabs on the New Surplus FBM218 match the physical slot keying notches on the baseplate.
- Align the module housing with slot guide tracks and press firmly until the module backplane connector fully locks in place.
- Engage the top and bottom red retaining clips to lock the module securely against cabinet vibration.
Stage 4: Power-On & Testing
- Re-apply 24 V DC system power to the baseplate power rails.
- Observe front-panel status LEDs: confirm the operational status LED glows steady green and active Fieldbus communication LEDs blink active.
- Verify both analog output current loops (4–20 mA) and HART diagnostic feedback parameters from smart positioners on the Foxboro Workstation display.

FBM218 P0917XV

FBM218 P0917XV
Firmware/Software Versions & Upgrade Notes
- Software Compatibility: Fully supported across Foxboro I/A Series System Software (v8.x) and EcoStruxure Control Software using standard
AOTandHARTsoftware blocks. - Redundancy Configuration: The module supports dual-redundant Fieldbus communication (
Bus AandBus B). Verify that control processor software configuration matches dual-path routing. - HART Device Descriptions: Ensure device description (DD) files for downstream smart positioners (e.g., Fisher FIELDVUE, Samson, Metso) are registered in the host workstation to enable full online recalibration and diagnostic pass-through.
Frequently Asked Questions (FAQ)
Is this FOXBORO FBM218 P0917XV module brand new or refurbished?
This product is a Brand New Surplus unit. It is not used, not pulled from a decommissioned plant, and not refurbished. All modules undergo rigorous quality verification to ensure OEM-level reliability.
Why pay a premium for New Surplus over cheap refurbished cards online?
Refurbished analog output cards often suffer from aged output drivers and degraded internal capacitors due to continuous thermal stress. A failure on an analog output card driving a critical control valve can trip a reactor or boiler, causing tens of thousands of dollars in lost production—dwarfing the small savings of a refurbished card.
What is the difference between the HART and standard analog output modules like the FBM203 or FBM237?
The provides full bidirectional HART communication pass-through superimposed over its 8 analog output channels, whereas standard analog cards like the FBM203/FBM237 only carry basic 4–20 mA analog signals without HART digital diagnostic capabilities.
Does the provide power to field output loops?
The drives current outputs into field loads up to 750 Ω. Loop power requirements depend on the connected Termination Assembly (TA) and whether external 24 V DC auxiliary power is supplied to drive high-resistance loops.
Is the hot-swappable while the baseplate is live?
Yes. Foxboro 200 Series modules support live insertion and removal (hot-swapping) on energized baseplates without disrupting Fieldbus communication on adjacent modules, provided proper ESD procedures are followed.
What warranty comes with this New Surplus P0917XV module?
Every New Surplus FOXBORO P0917XV module includes a full 1-year replacement warranty, supported by serial verification and complete pre-shipment quality inspection reports.

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