The Foxboro FBMSVH functions as a high-security Fieldbus Module (FBM) for the I/A Series and Foxboro Evo Distributed Control Systems (DCS). This 100% Brand New original module features Secure Version Hardware (SVH), specifically engineered to provide an enhanced defensive layer against hardware tampering and unauthorized cyber access. It acts as the critical bridge between field devices and the control processor, managing both analog and digital I/O signals through a robust HDLC fieldbus protocol. The FBMSVH serves mission-critical applications in petrochemical refining and power generation where process integrity and cybersecurity compliance are non-negotiable requirements.
| Parameter | Technical Details |
| Model | FBMSVH |
| Hardware Variant | SVH (Secure Version Hardware) |
| Communication Protocol | HDLC Fieldbus / Optical Ethernet Backplane |
| Signal Compatibility | Configurable Analog and Digital I/O |
| Redundancy | Supports Full Redundant Pair Configuration |
| Power Input | 24 VDC (Redundant input supported) |
| Operating Temperature | -40°C to +70°C (-40°F to +158°F) |
| Protection | G3 Conformal Coating |
| Enclosure Rating | IP65 |
| Dimensions | 241 mm × 24 mm × 163 mm |
| Weight | 0.45 kg |
Cyber-Hardened Architecture: The FBMSVH incorporates advanced security features into the physical circuitry. Unlike standard I/O modules, the Secure Version Hardware (SVH) includes encrypted communication pathways and integrity-check logic to prevent malicious data injection or firmware spoofing at the fieldbus level.
Deterministic Fault Detection: Integrated self-test diagnostics monitor the module's health in real-time. The system detects internal component failures or field-side wiring issues instantly, triggering onboard LED indicators and alerting the DCS operator before a process deviation occurs.
Robust HDLC Communication: The module utilizes the high-speed HDLC (High-Level Data Link Control) protocol over the redundant fieldbus. This ensures deterministic data transfer between field instruments and the Control Processor (FCP), even in environments with high electromagnetic interference (EMI).
Industrial-Grade Environmental Resilience: Every FBMSVH module receives a factory-applied G3 conformal coating. This protective layer shields sensitive electronics from humidity, sulfur, and salt spray, while the IP65 rating ensures dust-tight performance in harsh chemical processing zones.
Zero-Interruption Redundancy: You can pair two FBMSVH modules in a redundant baseplate configuration. The modules synchronize their I/O states continuously, enabling an instantaneous, "bumpless" failover if the primary unit detects a malfunction, ensuring 100% uptime for critical control loops.
What makes the FBMSVH different from a standard FBM module?
The "SVH" designation signifies Secure Version Hardware. This module includes enhanced hardware security logic designed to meet modern industrial cybersecurity standards, providing a more resilient interface than standard legacy FBMs.
Is the FBMSVH hot-swappable during live operations?
Yes. If configured as part of a redundant pair, you can remove a faulted FBMSVH and insert a new module without shutting down the control loop. The system automatically reconciles the data and resumes redundant operation.
Does the FBMSVH require specialized Termination Assemblies (TAs)?
The module interfaces with standard Foxboro I/A Series and Evo Termination Assemblies. However, we recommend verifying that your TA supports the specific I/O configuration (Analog vs. Digital) you intend to run through the secure hardware interface.
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.
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.
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.