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Technical Overview
The Honeywell CC-TFB811 (part number 51306751-175) is a high-performance Fieldbus Interface Module (FIM8) engineered for the Experion PKS distributed control system . This unit bridges FOUNDATION Fieldbus H1 devices—such as smart transmitters, valve positioners, and analyzers—with the C300 and TDC 3000 controllers . It supports up to eight independent H1 networks, enabling large-scale device integration for complex process automation applications .
The module employs a redundant IOTA architecture that provides dual-network paths for uninterrupted data exchange . This design eliminates single points of failure and ensures continuous communication during network faults. Each H1 link supports up to 32 field devices, giving the CC-TFB811 a total capacity of 256 instruments across all eight networks . The module operates within a standard Series C chassis and integrates seamlessly with Experion PKS and TPS systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Honeywell |
| Model Number | CC-TFB811 |
| Part Number | 51306751-175 |
| Product Type | Fieldbus Interface Module (FIM8) |
| System Compatibility | Experion PKS, C300, TDC 3000, TPS |
| Fieldbus Protocol | FOUNDATION Fieldbus H1 |
| H1 Networks Supported | Up to 8 independent links |
| Devices per H1 Network | Up to 32 |
| Total Device Capacity | 256 field instruments |
| Power Supply | 24V DC nominal |
| Power Consumption | <6W typical |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Weight | 0.47 – 0.85 kg |
| Dimensions | 29 x 12 x 5.2 cm approx. |
| Mounting | Series C IOTA baseplate, DIN rail |
| Indicators | 24V Power, Module & FTE Status LEDs |
| Certifications | CE, UL, CSA, ATEX, IECEx |
| MTBF | >150,000 hours |
| Country of Origin | USA |
Key Features
High-Capacity Fieldbus Integration – The module supports up to eight H1 networks, enabling connection of 256 FOUNDATION Fieldbus devices per module and significantly reducing hardware requirements.
Redundant Architecture – The dual-network design provides fault-tolerant communication with automatic failover, ensuring uninterrupted data exchange in mission-critical processes .
Wide Macrocycle Selection – Users can configure macrocycle periods from 250 ms to 32 seconds, allowing optimization of communication timing for various control loop requirements .
Hot-Swap Capability – The module supports online replacement without system shutdown, minimizing downtime during maintenance .
Comprehensive Diagnostics – Front-panel LEDs provide real-time status for power, module health, and individual link activity . Advanced diagnostics include SNMP alerts for proactive troubleshooting .
Applications
The Honeywell CC-TFB811 excels in oil and gas, chemical processing, power generation, and pharmaceutical manufacturing. It is ideal for distributed control systems requiring high-density FOUNDATION Fieldbus device integration in Experion PKS environments