Description
Product Name: 1757-FFLD2-CC Allen Braley Input module
Product details:
The Allen-Bradley 1757-FFLD2-CC is a high-performance Foundation Fieldbus (FF) to ControlLogix Linking Device. It serves as a specialized bridge that enables seamless communication between Foundation Fieldbus H1 networks and Rockwell Automation’s Logix5000 control systems. The “CC” designation indicates that the module features Conformal Coating, providing enhanced protection against harsh industrial environments.
Product Specifications
| Feature | Specification |
| Module Type | Foundation Fieldbus H1 Linking Device |
| Compatibility | Allen-Bradley ControlLogix Systems (1756 Chassis) |
| Number of H1 Ports | 2 Independent H1 Channels |
| Communication Rate | 31.25 kbps (per H1 segment) |
| Network Support | Support for up to 16 devices per H1 segment (total 32) |
| Environment Protection | Conformal Coated (for corrosive/humid environments) |
| Backplane Current | 1.2A @ 5.1V DC; 2.5mA @ 24V DC |
| Operating Temp | 0°C to 60°C (32°F to 140°F) |
Key Advantages
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Seamless Integration: It integrates FF device data directly into the ControlLogix tag database, allowing engineers to treat fieldbus instruments like standard I/O.
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High Reliability: The Conformal Coating protects internal circuitry from moisture, salt spray, and chemical contaminants, significantly extending the hardware’s lifespan in demanding sectors like Oil & Gas.
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Distributed Control: Supports “Control in the Field” (CIF), allowing function blocks to execute within the field devices themselves for faster loop response and increased redundancy.
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Reduced Wiring: By using a digital bus, it drastically reduces the amount of cable, tray, and termination points compared to traditional 4-20mA analog signals.
Important Considerations (Notes)
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Power Supply: The module provides communication but does not power the H1 bus. A separate, specialized Foundation Fieldbus power supply and signal conditioner are required for each segment.
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Termination: Proper H1 terminators must be installed at both ends of each segment to prevent signal reflection and data loss.
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Configuration: Setup requires specialized software (such as Rockwell’s Fieldbus Configurator or FactoryTalk AssetCentre) to define the link master and schedule the macrocycle.
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Firmware: Ensure the module firmware is compatible with your Studio 5000 / RSLogix 5000 version for full feature support.
Common Applications
The 1757-FFLD2-CC is primarily used in Process Automation industries where precision and instrument diagnostics are critical:
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Oil & Gas Refineries: Monitoring pressure, temperature, and flow transmitters in corrosive offshore or desert environments.
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Chemical Processing: Managing complex valve positioners and analytical instruments.
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Water & Wastewater: Integrating widely dispersed field sensors over long cable runs.
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Pharmaceuticals: Ensuring high-accuracy batch control with comprehensive device heartbeat and diagnostic data.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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