Product Details
Configured for discrete signal acquisition in I/A Series DCS platforms, the Foxboro FBM207 (FBM207 Communication Module) provides direct physical execution of 16 galvanically isolated input channels.
Suffix Breakdown & Model Matrix
- FBM207: Standard discrete input module.
- FBM207b: Variant including 24 VDC contact sensor excitation.
- FBM207c: Variant including 48 VDC contact sensor excitation.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FBM207 |
| Brand | Foxboro |
| Origin | USA |
| Weight | 185 g |
| Dimensions | 45 mm x 102 mm x 104 mm |
| Operating Temp | -20 deg C to +70 deg C |
| Power Consumption | 3 W to 5 W (variant dependent) |
| Input Channels | 16 isolated, independent |
| Filter Time | 4, 8, 16, or 32 ms |
4-20 mA HART Loop Protocol
The FBM207 series is engineered to maintain high signal integrity within DCS process environments. While primarily a discrete input module, the system supports HART loop protocol transparency when integrated with compatible field devices. Channel-to-channel isolation is maintained through advanced optical isolation circuitry, effectively mitigating ground loops and common-mode interference common in high-density I/O installations. Cold junction compensation (CJC) and secondary HART diagnostics are handled by the controller host, allowing the FBM207 to focus on deterministic discrete state reporting and pulse counting up to 250 Hz.
Frequently Asked Questions
Q: Are these modules capable of handling redundant configurations?
A: Yes, the FBM207 supports deployment in both single and redundant module pairs. When configured redundantly, the system ensures bumpless transfer during primary module fault detection.
Q: What are the limits for field wiring length between the TA and the module?
A: The termination assembly (TA) connection utilizes a 37-pin D-subminiature cable, which supports a maximum cable length of 30 m to maintain signal integrity and prevent excessive debounce timing errors.
Field Installation Guidelines
- Mount the module onto a clean I/A Series baseplate, ensuring the mechanical locking lugs are fully engaged to provide a low-impedance ground path.
- Select the appropriate Termination Assembly (compression or ring lug) based on the site-specific wire gauge requirements, ranging from 0.2 mm2 to 4 mm2.
- For harsh environments (Class G3), ensure the module is installed within an appropriately rated NEMA or IP-rated enclosure to prevent contaminant buildup on connector surfaces.
- When wiring contact sensors to FBM207b or FBM207c variants, verify the excitation voltage polarity before final connection to prevent damage to the internal contact sensor input circuitry.
- Configure the software input filter time via the workstation to match the specific application requirements, ensuring debouncing is optimized to avoid spurious state transitions from mechanical switches.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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