PHOENIX Passive module 2321813 FLKM-2KS50/BFI/SPT/CS
- Product Name:PHOENIX Passive module 2321813 FLKM-2KS50/BFI/SPT/CS
- Product Number:2321813 FLKM-2KS50/BFI/SPT/CS
- Brand:Phoenix
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PHOENIX Passive module 2321813 FLKM-2KS50/BFI/SPT/CS
的详细介绍PHOENIX Passive module 2321813 FLKM-2KS50/BFI/SPT/CS

Product Overview
The PHOENIX CONTACT Passive Module 2321813 (FLKM-2KS50/BFI/SPT/CS) is a sophisticated, pre-assembled interface cable designed for advanced industrial communication networks. It serves as a critical, high-integrity link between a fieldbus coupler or controller and remote peripheral devices. While technically "passive" as it requires no external power, its integration with SPT (Smart Plug & Technology) enables advanced diagnostic capabilities, making it an intelligent component in modern automation systems for protocols like PROFIBUS or PROFINET.
Key Features & Benefits
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Advanced Fieldbus Interface (BFI): The BFI connector is specifically designed for PHOENIX CONTACT's fieldbus components, providing a robust and reliable connection to PROFIBUS or PROFINET networks.
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Integrated Diagnostics with SPT: Smart Plug & Technology (SPT) allows for electronic identification of the cable module. This enables advanced diagnostics, such as channel-specific error messages in the controller, which drastically reduces troubleshooting and downtime.
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Pre-assembled Reliability: Factory-assembled connectors ensure perfect termination, eliminate installation errors, and provide a vibration-proof connection that is essential for network integrity.
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Superior Signal Integrity: The 2KS specification indicates a twisted pair design with an overall braided shield, offering maximum protection against electromagnetic interference (EMI) and ensuring stable data communication on the fieldbus.
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Plug-and-Play Installation: Allows for quick and error-free integration into fieldbus systems, significantly reducing commissioning time.

Technical Specifications
Parameter | Specification |
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Product Type | Pre-assembled Fieldbus Interface Cable with SPT |
Full Ordering Code | 2321813 / FLKM-2KS50/BFI/SPT/CS |
Module Type | Passive Interface Cable (with SPT diagnostics) |
Cable Specification | FLKM-2KS50: Flexible cable, 2-conductor, twisted pair with overall braided shield, 0.5m length |
Connector 1 (System Side) | BFI: Specific keyed connector for PHOENIX CONTACT fieldbus couplers, controllers, or I/O blocks. |
Connector 2 (Field Side) | Typically a standard PROFIBUS connector or integrated into a peripheral interface. |
Technology | SPT: Smart Plug & Technology for electronic identification and advanced diagnostics. |
Shielding | Yes, braided copper shield for effective EMI protection. |
Jacket Material | PUR (Polyurethane) |
Jacket Color | Gray (as indicated by "CS" in this context) |
Application | Connecting fieldbus masters (e.g., PLC) to remote I/O stations or devices on PROFIBUS/PROFINET networks. |
Applications
This interface cable is designed for building reliable and diagnosable fieldbus network infrastructures. Its primary applications include:
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PROFIBUS and PROFINET Networks: Connecting a fieldbus master/coupler (e.g., from Phoenix Contact's Inline station) to the first node in a remote I/O drop.
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Distributed Control Systems: Wiring between controllers and remote peripheral racks in automated assembly, packaging, and processing lines.
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Machine Networking: Creating robust network backbones inside machinery where electrical noise is a concern.
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Any application requiring a reliable, shielded, and diagnosable connection for fieldbus communication.
Compatibility & Integration Notes
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The BFI connector is designed for specific PHOENIX CONTACT fieldbus components. Verification of compatibility with the intended coupler or controller is essential.
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The SPT technology requires a compatible SPT-enabled fieldbus master/coupler to utilize the advanced diagnostic capabilities (e.g., displaying a missing module error).
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While passive, the SPT functionality makes this a "smart" passive component that enhances system visibility.
Why Choose This Product?
The PHOENIX CONTACT Passive Module 2321813 transcends a standard cable by integrating intelligence into the connection. It provides not just a physical link, but a diagnosable one. By combining a pre-assembled, shielded design with SPT technology, it future-proofs your installation, reduces mean time to repair (MTTR) through precise diagnostics, and ensures the highest level of network reliability and availability for your critical control systems.
Ordering Information: PHOENIX CONTACT 2321813
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