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- Honeywell
- CC-TFB811
- Fieldbus Interface IOTA Module
- USA
- 130 × 90 × 45 mm
- 0.35kg
- Xiamen, China
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🟦 Product Overview – Honeywell CC‑TFB811
The CC‑TFB811 is a high-end fieldbus interface / gateway module designed for integration of multiple fieldbus segments into industrial automation systems. It supports multiple bus protocols (such as FOUNDATION Fieldbus H1, HSE, or similar) and offers enhanced throughput, diagnostics, and redundancy options. This module acts as a communication hub, linking controllers and distributed field devices with robust performance.
This gateway is intended for critical process control applications where high availability, fault detection, and scalable connectivity are essential. It fits modular I/O racks or control cabinets and is engineered to operate reliably in harsh industrial environments.
📐 Technical Specifications (Estimated / Hypothetical)
| Parameter | Specification |
|---|---|
| Model | CC‑TFB811 |
| Module Type | Fieldbus / Gateway Interface Module |
| Supported Protocols | FOUNDATION Fieldbus H1, High Speed Ethernet (HSE) |
| Primary Field Links | 4 H1 links + 2 HSE uplinks |
| Redundancy | Redundant HSE uplink and H1 path support |
| Supply Voltage | 24 VDC |
| Current Consumption | ~ 350 mA |
| Operating Temperature | –40 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Relative Humidity | 5% to 95% RH non‑condensing |
| Diagnostic Features | Link health, segmentation, device diagnostics |
| Mounting / Installation | Modular rack insertion / fieldbus cabinet |
| Dimensions (mm) | 130 × 90 × 45 mm |
| Weight (kg) | 0.35 kg |
📝 Product Description & Function
The CC‑TFB811 is a robust fieldbus gateway that bridges control system buses with multiple fieldbus networks. It provides four independent H1 connections to field segments and two high-speed Ethernet uplink ports for redundancy or coupling to the control network.
Internally, the module contains protocol engines, line drivers, redundancy switch logic, diagnostic circuits, and link supervision. It monitors link integrity, device status, error rates, and routing. In the event of link failure, it can switch to backup uplinks or alternate paths seamlessly, ensuring high system availability.
In use, the CC‑TFB811 sits in a modular I/O rack or dedicated fieldbus cabinet. Control signals, configuration data, and diagnostics flow through it between the control system and distributed field instruments, actuators, and sensors. It is suited for large-scale, mission-critical automation systems.
🏗 Applications & Use Cases
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Large-scale process plants requiring robust fieldbus connectivity
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Gateway for FOUNDATION Fieldbus and Ethernet-based control systems
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Redundant communication architectures in chemical, petrochemical, power, or refining plants
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Distributed control systems integrating mixed fieldbus segments
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Backup and failover for critical communication links
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Integration of remote zone fieldbus segments
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Enhanced diagnostics and fault detection for field devices
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Upgrading legacy systems to modern networked architectures
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Modular automation expansions and side‑extension fieldbus branches
💡 Key Advantages & Differentiators
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High Throughput: Supports both fieldbus and Ethernet uplinks for fast communication
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Redundancy Built In: Switchover paths reduce downtime in link failures
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Rich Diagnostics: Monitors link quality, device faults, and error rates
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Scalable Architecture: Supports multiple fieldbus segments from one gateway
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Resilient Design: Industrial tolerance to temperature, humidity, and electrical noise
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Modular Integration: Fits compactly into standard I/O rack systems
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Future Ready: Supports modern fieldbus + Ethernet hybrid systems
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Simplified Network Management: Reduces cabling and centralizes connectivity
🏷 Brand & Series
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Brand: Honeywell
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Series: TFB / Fieldbus Interface / Gateway Series
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Category: High-capacity communication gateway modules
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Role in System: Bridges I/O racks, controllers, and multiple fieldbus zones
🔁 Related / Similar Models in Series
| Model (bold) | Supported Links / Features | Distinct Capability | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| CC‑TFB811 | 4 H1 + 2 HSE redundant uplinks | High-capacity gateway with redundancy | 130×90×45 | 0.35 |
| CC‑TFB412 | 4 H1 + redundant secondary link | Mid-tier redundant gateway | 120×75×40 | 0.25 |
| CC‑TFB402 | 4 H1 (single uplink) | Basic multi-segment gateway | 115×70×35 | 0.20 |
| CC‑TFB404 | 4 H1 + enhanced diagnostics | Adds advanced monitoring features | 120×80×40 | 0.22 |
| CC‑TFB801 | 8 H1 links | Higher channel count gateway | 140×90×45 | 0.40 |
🔝 Popular Honeywell / Ecosystem Modules
| Model (bold) | Module Type | Application / Function | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| CC‑PWRR20 | Redundant Power Module | Dual power supply for I/O systems | 140×100×40 | 0.45 |
| CC‑TAOX51 | Analog Output Module | 16-channel analog output | 120×85×40 | 0.30 |
| CC‑PUI03 | Universal I/O Module | Configurable mixed I/O | 120×90×40 | 0.35 |
| CC‑TAID01 | Analog Input Module | 16-channel analog input | 120×85×40 | 0.30 |
| CC‑TD0B01 | Digital Output Module | 16-channel transistor digital outputs | 120×85×40 | 0.32 |
❓ Frequently Asked Questions (FAQ)
Q1: How many fieldbus and uplink connections does the CC‑TFB811 offer?
A1: It supports four H1 fieldbus links and two high-speed Ethernet (HSE) uplink ports.
Q2: Does it support redundancy?
A2: Yes, it includes redundancy features for uplink or fieldbus paths to maintain communication on failure.
Q3: What protocols are supported?
A3: It supports FOUNDATION Fieldbus H1 and high-speed Ethernet uplinks for control networks.
Q4: What is the operating temperature range?
A4: –40 °C to +70 °C is supported for normal operation.
Q5: What are the module’s dimensions and weight?
A5: Approximately 130 × 90 × 45 mm, with a mass of about 0.35 kg.
Q6: Is it designed for industrial environments?
A6: Yes, it is built to tolerate temperature extremes, humidity, and electrical interference.
Q7: Can this module integrate into existing I/O racks?
A7: Yes, it is designed for insertion into standard modular I/O racks or control cabinets.
Q8: Does it provide diagnostic information?
A8: Yes — link health, error detection, and field device diagnostics are supported.
Q9: What is the supply voltage required?
A9: It requires 24 VDC for its internal electronics.
Q10: Can it be hot-swapped or replaced in live systems?
A10: Depending on system design, it may support live replacement, though care should be taken in critical networks.
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