CC-TFB811 HONEYWELL

HONEYWELL CC-TFB811 Coupler for external

Brand：HONEYWELL Model number：CC-TFB811

Country of origin: United States Product weight：0.4kg

HS code：8517623990

Product Details：

Product Dimensions：

The Coupler acts as a protocol converter or network bridge. It typically plugs into a backplane or DIN rail system and manages the communication for all downstream (external) I/O modules connected to it. It has two main interfaces: one for the internal backplane/I/O bus and one or more ports for the external network connection.

Functionality: It translates data and commands between the high-speed internal bus of the local I/O rack (which uses a proprietary or internal communication method) and a standard, external industrial protocol (like Profibus, DeviceNet, Modbus TCP, or EtherNet/IP). It handles data exchange, network diagnostics, and sometimes local bus diagnostics.
Types: Honeywell offers couplers compatible with various standard external fieldbuses, such as Foundation Fieldbus Couplers, Profibus Couplers, Modbus Couplers, and specific industrial Ethernet protocol couplers. The exact module name will depend on the target protocol.
Key Features:

Protocol Conversion: Primary function is to bridge two distinct network types.
I/O Aggregation: Collects data from all connected I/O modules on the local bus.
Diagnostic Reporting: Reports status and fault conditions of the local I/O modules back to the external master controller.
Address Mapping: Manages the mapping of local I/O data addresses to the external network's register addresses.
High-Speed Internal Bus: Ensures fast and deterministic communication with the local I/O.
Robust Housing: Industrial-grade housing suitable for harsh environments.

Product Parameters

Parameters vary based on the external network protocol supported, but common specifications include:

External Protocol Support: Profibus DP-V1, DeviceNet, EtherNet/IP, Modbus TCP, etc.
Network Interface: Type of physical port (e.g., RJ45 for Ethernet, D-Sub 9 for Profibus, terminal block for DeviceNet).
Communication Speed: External network speed (e.g., 100 Mbps for Ethernet, 12 Mbps for Profibus).
Internal I/O Capacity: Maximum number of I/O points or modules the coupler can manage on its local bus.
Power Supply: Input voltage required (e.g., 24V DC).
Current Consumption: Typically specified for the coupler alone and for the fully loaded backplane.
Operating Temperature: Standard industrial range (e.g., -20°C to 60°C).
Ingress Protection (IP Rating): Typically suited for panel mounting (e.g., IP20).
Data Refresh Rate: How quickly data is updated between the internal bus and the external network.

Product Advantages

Interoperability: Allows Honeywell I/O systems to be easily integrated into control architectures dominated by other vendor PLCs or DCS platforms.
Distributed Control: Enables the creation of decentralized I/O clusters closer to field devices, reducing field wiring complexity and cost.
Modularity: Simplifies system expansion by allowing new I/O modules to be added to the local bus without significant changes to the external network structure.
Simplified Wiring: Replaces complex point-to-point wiring with a single network cable connection to the central controller.
Efficient Diagnostics: Centralized fault reporting from the local I/O segment via the coupler to the supervisory control system.
Cost-Effectiveness: Often more economical than using long runs of traditional wiring or multiple proprietary network interfaces.

Important Considerations

Protocol Matching: Ensure the coupler's supported external protocol exactly matches the requirements of the master controller (PLC/DCS).
Configuration Software: Specific software tools are typically required to configure the coupler, map the local I/O points to the external network addresses, and set diagnostic parameters.
Bus Limitations: Be aware of the maximum I/O count, distance, and data size limits imposed by both the external network protocol and the coupler's internal bus capacity.
Network Design: Proper network topology, termination, and cable specifications must be observed for the chosen external fieldbus to ensure reliable communication.
Firmware Compatibility: Ensure the coupler's firmware is compatible with the version of the I/O modules and the supervisory control system.
Power Budget: Verify that the coupler and all connected I/O modules do not exceed the backplane's available power supply capacity.

Product Applications

Honeywell External Couplers are critical in various industries utilizing distributed control and automation systems:

Oil and Gas: Connecting remote wellhead monitoring I/O clusters to a central DCS.
Chemical and Petrochemical: Integrating geographically spread-out tank farms and processing unit sensors/actuators.
Power Generation: Linking turbine and boiler control I/O to plant-wide supervisory systems.
Manufacturing: Connecting dedicated machine I/O banks to the main factory Ethernet network.
Water and Wastewater: Integrating pump station control panels into the main SCADA network over an industrial protocol.
Pharmaceuticals: Providing a network interface for validated process control I/O clusters.

900H32-0001 HONEYWELL

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