Introduction to HONEYWELL 51305072-300 (CLCN-B)
51305072-300 CLCN-B Product Overview
The HONEYWELL 51305072-300, also designated as CLCN-B, is a high-performance communication board specifically engineered for dual-node racks in Honeywell Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC) systems. Serving as a critical connectivity component, it establishes reliable communication between Local Control Network (LCN) interfaces and LCN “B” cables, enabling seamless data transmission across different system nodes. Equipped with multiple digital and analog input/output channels, this module can connect to a wide range of field devices such as sensors and actuators, realizing precise data acquisition and industrial equipment control. Featuring a rugged industrial-grade design, it maintains stable and reliable operation in harsh industrial environments with extreme temperatures and electromagnetic interference. Its modular structure facilitates convenient installation, maintenance, and configuration, ensuring easy integration into existing Honeywell control system architectures.

51305072-300 CLCN-B Technical Specifications
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Product Model: 51305072-300 (Alternate ID: CLCN-B)
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Product Type: Communication Board / I/O Card (CLCN Series, Dual-Node Rack Compatible)
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Core Functions: Enables communication between LCN interface and LCN “B” cable; Supports serial communication between different devices; Provides data acquisition and control functions for field equipment; Supports Honeywell proprietary communication protocols; Facilitates remote I/O expansion
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Communication Specifications: Interface Type: LCN, LCN “B”, PCI Express; Data Transmission Rate: Up to 300 Mbps; Input/Output Channels: 16 input channels and 16 output channels
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Power Supply: Operating Voltage: 24VDC; Output Current: 1A
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Protection Features: Industrial-grade anti-interference capability; Electronic short-circuit protection for output channels
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Environmental Limits: Operating Temperature: -40°C to +85°C; Storage Temperature: -40°C to +85°C; Relative Humidity: 5% – 95% (non-condensing)
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Mechanical Details: Mounting Type: Dual-node rack mounting; Dimensions (L×W×H): 120mm × 80mm × 20mm; Net Weight: Approx. 200g
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Compatibility & Certifications: Seamlessly integrates with Honeywell DCS and PLC systems; RoHS Compliant
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