Description
The Honeywell 51304511-200 is a dual-port Fault Tolerant Ethernet (FTE) network interface module engineered for Honeywell’s Experion® PKS platform, serving as the high-availability communication backbone for C300 controllers, Safety Manager systems, and I/O networks. It enables deterministic, zero-loss data exchange across redundant Ethernet rings—ensuring continuous control even during cable cuts, switch failures, or port faults.
More than just a network card, the Honeywell 51304511-200 is the digital nervous system of modern Experion architectures, delivering the resilience required for SIL 2/3 safety applications and mission-critical process operations.
Application Scenarios
At an offshore floating production storage and offloading (FPSO) vessel in the North Sea, a critical compressor control system relied on a C300 controller linked to remote I/O via FTE. During a storm-induced hull flex, an Ethernet cable snapped in the main riser. Thanks to the Honeywell 51304511-200. the FTE ring automatically rerouted traffic through the secondary path in under 80 milliseconds—so fast that the anti-surge control loop never detected a disruption. The platform avoided a $4M/day production loss and a potential safety shutdown. Engineers now refer to the Honeywell 51304511-200 as “the invisible shield” of their control network.
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Technical Principles and Innovative Values
Innovation Point 1: Hardware-Accelerated FTE with Sub-100ms Failover
Unlike software-based redundancy protocols (e.g., RSTP), the Honeywell 51304511-200 implements FTE in dedicated ASIC logic—ensuring deterministic recovery without CPU overhead or packet loss.
Innovation Point 2: Native IEEE 1588 Precision Time Protocol Support
The Honeywell 51304511-200 enables microsecond-level time synchronization across distributed I/O, essential for sequence-of-events (SOE) recording, coordinated motor starts, and safety interlock timing.
Innovation Point 3: Unified Architecture for Control and Safety
The same Honeywell 51304511-200 module can be used in both standard C300 and Safety Manager systems, simplifying spares, training, and network design while maintaining TÜV-certified separation via VLANs and firewalls.
Innovation Point 4: Electromagnetic Resilience for Real-World Plants
Certified to IEC 61000-4-3 (10 V/m radiated immunity) and IEC 61000-4-4 (2 kV burst), the Honeywell 51304511-200 operates reliably next to VFDs, welders, and radio transmitters where commercial NICs fail.
Application Cases and Industry Value
A greenfield LNG plant in Mozambique deployed over 40 C300 controllers, each equipped with dual Honeywell 51304511-200 modules forming independent FTE rings for control and safety networks. During commissioning, a contractor accidentally severed a primary FTE trunk. The system maintained full operability—proving the architecture’s robustness before first gas. The project achieved 99.999% network availability in its first year, with zero unplanned outages traced to network failure.
In a pharmaceutical facility under FDA 21 CFR Part 11. the Honeywell 51304511-200’s time-stamped event logs provided auditable proof of synchronized batch execution across multiple reactors—passing regulatory inspection with no deviations.
Related Product Combination Solutions
C300 Controller (51304419-100) – Host chassis requiring Honeywell 51304511-200 for FTE connectivity
Safety Manager (SM) – Uses identical 51304511-200 for SIL-rated communication
R510 I/O Carrier (51304425-150) – Remote I/O rack connected via FTE using 51304511-200
FTE Switch (51304480-100) – Managed switch for complex FTE topologies (optional)
MC-IOLX02 (51304419-150) – I/O link module that works in tandem with 51304511-200 for data routing
Experion Station – Engineering workstation that configures and monitors 51304511-200 diagnostics
IEEE 1588 Grandmaster Clock – External time source for ultra-precise synchronization (optional)
Installation, Maintenance, and Full-Cycle Support
Install the Honeywell 51304511-200 into an available communication slot in the C300 or Safety Manager chassis. Connect both ports to separate legs of an FTE ring using industrial-grade Cat 5e or fiber media converters. No IP configuration is needed—the module auto-negotiates speed and duplex.
For maintenance, monitor the front-panel LEDs: solid green = operational, blinking = activity, red = fault. Use Experion Station to view port statistics, error counters, and PTP status. In redundant systems, the module supports hot-swap—simply replace it live; the backup controller maintains network integrity.
Every Honeywell 51304511-200 we supply undergoes full functional validation on actual C300 hardware, including FTE ring insertion, failover timing, PTP synchronization, and firmware compatibility. Backed by a 12-month warranty and lifetime access to Honeywell-certified engineers, we ensure your control network stays resilient, precise, and always connected.
Contact us for a customized solution—whether you need one Honeywell 51304511-200 for emergency repair or a fleet-wide deployment strategy for your next Experion PKS project.
