Introduction to HONEYWELL 51305072-200 (CLCN-A)
51305072-200 CLCN-A Product Overview
The HONEYWELL 51305072-200, also designated as CLCN-A, is a high-reliability Local Control Network (LCN) communication module belonging to the TDC 3000 product series. Specifically engineered for Honeywell Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC), it serves as a critical communication bridge, enabling seamless data transmission between controllers and field devices. Supporting LCN and LCN “A” communication protocols, this module ensures high-speed data exchange with low latency, laying a solid foundation for the stable operation of industrial automation systems. Constructed with rugged industrial-grade materials and equipped with redundant design and fault diagnosis functions, it maintains reliable performance in harsh industrial environments characterized by extreme temperatures, electromagnetic interference, and high humidity. Its modular and plug-in design facilitates easy installation, configuration, and maintenance, seamlessly integrating with existing TDC 3000 system setups. Widely applied in oil and gas, chemical processing, power generation, water treatment, and metallurgical industries, it plays a vital role in enhancing the connectivity and operational efficiency of industrial control systems.
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Product Model: 51305072-200 (Alternate ID: CLCN-A)
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Product Type: Local Control Network (LCN) Communication Module (TDC 3000 Series)
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Core Functions: Enables data transmission between controllers and field devices, supports LCN/LCN “A” protocols, high-speed data exchange, fault diagnosis, PID control, feedforward control, and cascade control
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Communication Specifications: Data transmission rate: Up to 1 Mbps; Maximum node number: 255; Communication ports: Micro USB, RS-485, RS-232, 10/100Mbps Ethernet; Interface type: LCN and LCN “A” cable interfaces
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Power Supply: Operating voltage: 24VDC; Input/output power: 24VDC
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Protection Features: Redundant design for high reliability; Resistant to electromagnetic interference; Protection rating: IP20
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Environmental Limits: Operating temperature: -40°C to +70°C; Storage temperature: -40°C to +85°C; Relative humidity: 5% – 95% (non-condensing)
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Mechanical Details: Mounting type: Plug-in installation in TDC 3000 system cabinet; Dimensions (L×W×H): 180mm × 70mm × 40mm (7.09″×2.76″×1.57″); Net weight: Approx. 0.18kg (6.3oz)
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Compatibility & Certifications: Seamlessly integrates with Honeywell TDC 3000 DCS and PLC systems; Certifications: CE, UL, RoHS Compliant

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