Introduction to HONEYWELL 51305072-300
51305072-300 Product Overview
The HONEYWELL 51305072-300 (CLCN-B) is a high-reliability communication board designed for dual-node racks, serving as a core component in Honeywell distributed control systems (DCS) and programmable logic controllers (PLC). It acts as a critical interface between LCN (Local Control Network) and LCN “B” cables, enabling stable and high-speed data transmission within the control system. Equipped with 16 input and 16 output channels, this module supports both digital and analog signal conversion, allowing seamless connection with various field sensors and actuators for precise control and data acquisition. It supports long-distance communication via twisted pair, coaxial cable, or optical fiber, and can even achieve global connectivity through modems and the Internet, significantly expanding system communication coverage. With a robust industrial-grade design, it ensures stable operation in harsh environments with electromagnetic interference and temperature fluctuations, widely applicable in manufacturing, energy, and chemical industries.

51305072-300 Technical Specifications
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Product Model: 51305072-300 (CLCN-B)
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Product Type: Communication Board (Honeywell CLCN Series)
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Core Functions: LCN and LCN “B” cable interface; High-speed data transmission; Digital & analog signal conversion; 16-channel input & 16-channel output; Remote communication support
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Signal & Connection: Interface Type: LCN, LCN “B”, PCI Express; Communication Medium: Twisted pair, coaxial cable, optical fiber; Remote Communication: Modem & Internet compatible; Connection Mode: Rack-mounted
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Electrical Specifications: Operating Voltage: 24VDC; Output Current: 1A; Communication Speed: 300Mbps; Isolation Protection: Enhanced anti-EMI isolation; Certification: CE certified
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Environmental Ratings: Operating Temperature: -20°C to +60°C; Storage Temperature: -40°C to +85°C; Relative Humidity: 5% – 95% (non-condensing); Protection Rating: IP20 (in standard control cabinet)
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Mechanical Details: Housing Material: Industrial-grade corrosion-resistant plastic; Mounting Type: Dual-node rack mounting; Dimensions: 120mm × 80mm × 20mm; Net Weight: 200g (0.2kg)
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System Compatibility: Fully compatible with Honeywell DCS and PLC systems; Suitable for manufacturing, energy, chemical, and power generation industry control setups
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