Honeywell 51308309-275 CC-TFB402 Experion DCS Interface
Manufacturer: Honeywell
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Part Number: CC-TFB402
Condition：New with Original Package
Product Type: Fieldbus Interface Module
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The Honeywell CC-TFB402 (51308309-275 Rev E) serves as a dedicated Fieldbus Interface Input Output Termination Assembly (IOTA) for the Experion Process Knowledge System (PKS). This module establishes high-speed, deterministic communication between the C300 controller architecture and intelligent field devices. It supports multi-protocol integration, including FOUNDATION Fieldbus and Profibus, providing a scalable gateway for digital plant instrumentation. We supply this unit as 100% Brand New and Original, ensuring mission-critical reliability for oil & gas, power generation, and chemical processing facilities.
Technical Specifications
| Parameter | Specification Details |
| Model Number | CC-TFB402 |
| Part Number | 51308309-275 (Revision E) |
| Network Capacity | 4 Fieldbus Network Connections |
| System Compatibility | Honeywell Experion DCS / C300 Controller |
| Protocols | FOUNDATION Fieldbus, Profibus |
| Input Voltage | 24 VDC Nominal |
| Protection | Conformal Coating (Standard) |
| Operating Temp | –20°C to +60°C |
| Dimensions | 170 mm × 120 mm × 40 mm |
| Compliance | CE, UL508, CSA Certified |
Engineering Advantages
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Aggregated Device Management: The CC-TFB402 provides four distinct Fieldbus ports, allowing engineers to consolidate multiple field segments into a single interface point. This architecture reduces cable runs and simplifies the network topology within the control cabinet.
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Conformal Coating for Corrosive Environments: Honeywell applies a protective conformal coating to each board. This layer shields sensitive circuitry from moisture, salt spray, and corrosive gases (H2S, Cl2), preventing the dendritic growth and premature failure common in offshore and refinery applications.
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Seamless C300 Integration: The IOTA design matches the mounting and power footprint of the C300 controller series. It snaps directly onto standard DIN rails and uses integrated power bus connections to minimize manual wiring errors during installation.
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High-Fidelity Signal Integrity: Advanced shielding and termination logic within the CC-TFB402 eliminate electromagnetic interference (EMI). This ensures that digital data packets remain intact even when routing Fieldbus segments near high-voltage motor cables.
FAQs
Does the CC-TFB402 support redundant configurations?
Yes. When paired with redundant C300 controllers and the appropriate series of interface modules, the CC-TFB402 supports fault-tolerant network architectures to ensure zero downtime during a single point of failure.
What is the significance of the 51308309-275 Rev E part number?
Revision E represents an updated hardware baseline that addresses earlier component obsolescence and improves thermal dissipation. It remains fully backward compatible with previous CC-TFB402 revisions within the Experion environment.
How many field devices can I connect to each port?
While the hardware supports multiple connections, the total number of devices per port depends on the Fieldbus segment power consumption and the macrocycle timing requirements of your specific control strategy.
Is this module ready for immediate deployment in hazardous areas?
The CC-TFB402 carries UL508 and CSA certifications. However, always refer to your specific site's "Hazardous Area Classification" and ensure the use of appropriate barriers or enclosures if installing in Zone 1 or Zone 2 environments.