Product Overview
The Foxboro RH916KP (FBM207b) functions as a high-density discrete input interface for the I/A Series and Foxboro Evo Distributed Control Systems. This 100% Brand New original module specializes in "Contact Sense" applications, monitoring the state of external dry contacts or solid-state switches. It converts 16 independent 24V DC field signals into digital status data for the control processor. Designed for mission-critical monitoring, the FBM207b (RH916KP) provides the essential link for tracking motor statuses, limit switch positions, and alarm contacts in power generation, water treatment, and petrochemical facilities.
Technical Specifications
| Feature | Technical Details |
| Model / Part Number | RH916KP / FBM207b (P0916KP-0A) |
| Input Type | Contact Sense (Discrete/Digital) |
| Number of Channels | 16 Isolated Input Channels |
| Input Voltage | 24 V DC Nominal |
| Logic Levels | Configurable Thresholds for On/Off States |
| Communication | Redundant Fieldbus Interface |
| Onboard Memory | 16 MB SDRAM, 32 MB Flash |
| Power Consumption | Max 8.5 W |
| Isolation | 600 V AC Galvanic Isolation |
| Operating Temperature | 0 to +60 °C (32 to 140 °F) |
| Weight | 1.5 kg |
| Origin | USA |
Engineering Advantages
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High-Speed Discrete Sampling: The RH916KP utilizes dedicated onboard processing to sample 16 discrete points simultaneously. This ensures the DCS captures rapid state changes from limit switches or emergency stop circuits without taxing the main control processor's cycle time.
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Integrated Contact Excitation: The module provides the necessary 24V DC excitation voltage for field contacts. This eliminates the need for separate external power distribution for every digital input loop, simplifying cabinet wiring and reducing potential failure points.
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Robust Signal Debouncing: Advanced digital filtering prevents "contact bounce" from generating false triggers. The module confirms the stability of an input state before reporting it to the system, ensuring high-fidelity data for sequential control and interlocking logic.
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Fault-Tolerant Communication Pathing: The FBM207b interfaces via a redundant Fieldbus architecture. In the event of a primary communication failure, the module maintains status reporting through the secondary link, preventing loss of visibility into critical safety and process interlocks.
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Industrial-Grade Isolation: Each of the 16 channels features 600V AC galvanic isolation. This protects the internal DCS logic from field-side electrical surges, cross-talk, and ground loops, even in high-EMI environments like motor control centers.
FAQs
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Does the FBM207b support 120V AC signals?
No. The RH916KP (FBM207b) targets 24V DC contact sense. For 120V AC discrete inputs, you must utilize the FBM207c or FBM201 series specifically rated for high-voltage AC sensing.
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Is the RH916KP hot-swappable?
Yes. You can install or remove the module from a powered baseplate without disrupting the operation of other modules in the rack. The system automatically re-maps the 16 digital points upon re-insertion.
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Can I use this module for sequence-of-events (SOE) recording?
While the FBM207b provides high-speed status updates, specific SOE precision depends on your system's software configuration and the scan rate of the control processor.
What's clients say about us
Excellent Emergency Support!
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Mark Thompson
Maintenance Manager, USAReliable Source for New Spares
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
Robert Hoffmann
Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
Lucas Müller
Operations Director, GermanyRelated Products
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