Product Overview
The Honeywell CC-TFB811 (PN: 51308311-175) is a 4-port Redundant FOUNDATION Fieldbus IOTA for the Experion PKS Series C platform. It serves as the mounting base for a redundant pair of CC-PFB401 FIM4 modules, enabling reliable H1 segment communication.
Each port supports multiple field devices on a single pair of wires, and the IOTA ensures continuous digital communication even if one module fails. The -175 G3 coating protects against corrosive industrial environments.
Technical Data
| Feature | Specification |
|---|---|
| Model | CC-TFB811 |
Key Features:
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Redundant Digital Architecture: Primary/secondary module pair ensures bumpless switchover.
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Integrated Termination: Software-selectable terminators reduce external hardware.
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Power Conditioning Interface: Acts as clean injection point for fieldbus DC power.
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Diagnostic Transparency: Passes H1 diagnostics for predictive maintenance via Experion FDM.
Typical Applications
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Refining & Petrochemical: High-density instrument clusters on distillation columns or reactor skids.
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Upstream Gas Processing: Multivariable transmitters over long H1 segments.
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Pharmaceutical Production: Digital backbone for precise dosing and regulatory compliance.
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Power Generation: Interfacing with smart actuators and boiler sensors for optimized combustion.
FAQ
Q1: Can I use the CC-TFB811 without redundancy?
A1: Yes, a single CC-PFB401 module can be used. For non-redundant applications, the CC-TFB401 (6-inch) is recommended.
Q2: How many devices per segment?
A2: While H1 supports up to 32 devices, 16 devices per segment is typical for Series C FIM4 to maintain bandwidth for COF and alarm reporting.
Q3: Does this IOTA provide power to field devices?
A3: It passes power but requires an external Fieldbus Power Conditioner (24–32 VDC) for proper injection without affecting digital signals.
Q4: Is the -175 suitable for corrosive environments?
A4: Yes. The G3 conformal coating protects against corrosion from sulfur or chlorine.
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|---|---|
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| Condition | 100% New with Original Package |
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
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| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
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