The Foxboro FBM207b (Part Number: P0914WH) serves as a high-density discrete input interface for the I/A Series Distributed Control System (DCS). It functions as a 16-channel 24V DC contact sensor or voltage monitor, capturing critical status data from field switches, relays, and solid-state devices. By providing per-channel galvanic isolation, the FBM207b ensures that high-speed equipment status and alarm signals integrate safely into the control database. We offer this module as 100% Brand New original factory stock to maintain the integrity of your mission-critical automation loops.
| Item | Specification |
| Model / Part Number | FBM207b / P0914WH |
| Input Channels | 16 Isolated Channels |
| Input Type | 24V DC Contact Sense / Voltage Monitor |
| Isolation | Galvanic; withstands 600 V AC for 1 minute |
| Communication | Redundant 2 Mbps Foxboro Fieldbus |
| Power Supply | 24 V DC (+5%, –10%) |
| Operating Temp (Module) | –20 °C to +60 °C |
| Operating Temp (TA) | –20 °C to +70 °C |
| Dimensions | 25cm x 6.2cm x 15cm |
| Weight | 0.4 kg |
| Origin | USA |
| Compliance | UL, CSA, CE, ATEX, Class 1 Div 2 |
Superior Signal Integrity: Each of the 16 channels features independent galvanic isolation. This protective barrier eliminates ground loops and prevents electrical noise or field-side surges from damaging the internal DCS backplane, maintaining clean data for process monitoring.
Redundant Fieldbus Connectivity: The module communicates via a redundant 2 Mbps HDLC fieldbus. This dual-path architecture ensures the control processor receives continuous status updates even if a single communication link fails, critical for oil & gas and power generation safety interlocks.
Harsh Environment Resilience: Foxboro engineers the FBM207b with industrial-grade components certified for ISA Class G3 environments. The module withstands corrosive atmospheric contaminants, making it ideal for offshore platforms and chemical processing plants.
Optimized Rack Utilization: The high-density 16-channel design reduces the required number of baseplates and cabinet space. This efficiency lowers the total cost of hardware installation and simplifies cable management in dense control rooms.
Zero-Downtime Maintenance: The hot-swappable design allows technicians to replace the FBM207b while the system remains live. You can swap modules without removing field wiring or powering down the rack, ensuring uninterrupted plant operations.
What is the primary difference between FBM207 and FBM207b?
The FBM207b (P0914WH) is specifically optimized for 24V DC contact sensing applications. It provides the necessary excitation and sensing logic to monitor dry contacts or solid-state switches directly.
Can I use this module for high-availability redundant pairs?
Yes. You can install the FBM207b as a redundant pair. Standard I/A Series control blocks manage the redundancy, providing a "Master/Tracker" relationship that ensures continuous input sensing if one module fails.
Does this module support both dry contacts and voltage sources?
Yes. The FBM207b functions as either a contact sensor for dry contacts or a voltage monitor for dc voltage sources, depending on your Termination Assembly (TA) selection and field wiring configuration.
Is the P0914WH compatible with all I/A Series baseplates?
The FBM207b seats into standard modular baseplates. However, you should verify that your specific Termination Assembly (TA) matches the 24V DC contact sense requirements of the "b" version module.
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