Introduction to HONEYWELL 51401583-100 EPNI
51401583-100 Product Overview
The HONEYWELL 51401583-100 EPNI (Enhanced Processor Node Interface) is a high-performance Ethernet communication module tailored for Honeywell distributed control systems (DCS), including the Experion PKS series. Serving as a key link between industrial control nodes and Ethernet networks, it enables efficient and secure data transmission between field control devices, central controllers, and upper-layer monitoring systems. This module supports a suite of industrial communication protocols, ensuring seamless interoperability with various Ethernet-enabled devices and systems. It is integrated with advanced self-monitoring and fault-tolerant mechanisms, which can quickly detect communication anomalies and trigger alarms, thereby safeguarding the stable operation of the entire control system. Designed with industrial-grade durability, it can withstand harsh on-site conditions such as temperature variations, electromagnetic interference, and high humidity, making it suitable for applications in petroleum, chemical, power generation, and manufacturing industries.

51401583-100 Technical Specifications
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Product Model: 51401583-100 EPNI
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Product Type: Ethernet Communication Module (Honeywell EPNI Series)
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Core Functions: Industrial Ethernet data transmission; Cross-device/inter-system communication; Protocol conversion and adaptation; Self-monitoring and fault alarm; System integration and expansion
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Signal & Connection: Interface Type: 2 x RJ45 Ethernet Ports; Data Rate: 10/100/1000 Mbps (Auto-negotiation); Supported Protocols: TCP/IP, UDP, Modbus TCP, Ethernet/IP; Connection Mode: Rack-mounted via system backplane
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Electrical Specifications: Operating Voltage: 24VDC (Powered by system backplane); Power Consumption: Typical 15W; Isolation: 1500Vrms Electrical Isolation; Certification: CE, UL
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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 (When installed in standard control cabinet)
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Mechanical Details: Housing Material: Industrial-grade Flame-retardant Plastic; Mounting Type: 19-inch Rack Mount; Dimensions: 140mm × 80mm × 25mm; Net Weight: Approx. 0.4kg
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System Compatibility: Fully compatible with Honeywell Experion PKS DCS; Suitable for integration into petroleum, chemical, power generation, metallurgical, and manufacturing control systems
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