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        51401583-100

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        The Honeywell 51401583-100 Enhanced Process Network Interface Board (EPNI) serves as the primary logic board for the Network Interface Module (NIM) in Honeywell's distributed control systems.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
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        Technical specifications for 51401583-100

        • Manufacturer:
          Honeywell
        • Part Number:
          51401583-100
        • Product Family:
          Honeywell TPS Series
        • Product Type:
          Enhanced Process Network Interface Board
        • Network Connectivity:
          Bridges Local Control Network (LCN) to Universal Control Network (UCN)
        • Input Voltage:
          +5.0 V DC (Typical)
        • Power Consumption:
          6.0 Watts
        • Operating Current:
          1.2 A to 2.0 A (Maximum)
        • Firmware Requirement:
          Revision 'H' or higher (Required for SOE Support)
        • Weight:
          0.84 kg
        • Estimated shipping dimensions:
          36.7x36.4x1.5cm
        • Tariff Code:
          8537101190
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Specifications Applications Configuration & Programming Monitoring & Control

        Features:

        • Bridge Between the Local Control Network (LCN) and Universal Control Network (UCN)
        • Integrates High-Speed Data Exchange with Protocol Conversion and Network Management
        • Works in Conjunction with the K4LCN Processor and NIM Modem I/O Cards
        The Honeywell 51401583-100 Enhanced Process Network Interface Board serves as the primary logic board for the Network Interface Module (NIM) in Honeywell's distributed control systems. The 51401583-100 continuously bridges the Local Control Network (LCN) and the Universal Control Network (UCN), enabling seamless transmission of control signals, process data, and point database information between these network layers. For applications requiring Sequence of Events (SOE) time synchronization, the 51401583-100 must be equipped with firmware version 'H' to ensure precise operation. The 51401583-100 has made improvements in network communication capability within the Honeywell control architecture, incorporating robust protocol conversion and network management functions.

        The 51401583-100 provides essential network interface functions common to the entire distributed control system, and is a critical component of the communication path, directly affecting the proper, normal operation of the overall monitor system. One or two 51401583-100 boards are typically deployed per NIM node depending on the desired redundancy level. The 51401583-100 occupies a dedicated slot within the NIM assembly and is always paired with the K4LCN processor to form a complete network interface node.

        For Dual Redundant NIM applications, the Honeywell system requires a second NIM assembly installed in the redundant configuration. In addition to standard single NIM operation, the redundant configuration also performs automatic switchover. The dual NIM configuration executes failover using the internal circuitry specified in the system options. Using this method, the redundant network interface system continually monitors the health of both NIM assemblies. If the system detects that the primary 51401583-100 is no longer providing stable network communication (outside configured tolerance levels), it will automatically transfer the network load to the secondary supply and place an event in the System Event List.

        The 51401583-100 Honeywell Enhanced Process Network Interface Board may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Honeywell 51401583-100 Enhanced Process Network Interface Board Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        Honeywell 51401583-100 Enhanced Process Network Interface Board Specs

        General

        • Manufacturer Honeywell
        • Model 51401583-100
        • Condition New Original ready stock
        • Product Family 51401551-301 ,51401551-400,51401551-600 ,51401551-601
        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • Industrial Automation & Process Control: Used in oil refineries, power plants, and chemical processing facilities to interconnect xPM and LM nodes with central point databases.
        • Sequence of Events (SOE): Specifically required for applications needing millisecond-accurate time synchronization across decentralized nodes (requires firmware revision 'H' or higher).
        • System Upgrades: Replaces older PNI and PNM board sets to consolidate functions and improve network reliability.
        • Node Definition: During system setup, UCN points and node-specific points (defining the NIM and PM nodes on that UCN) are built to establish where the network resides.
        • Load Estimation: Engineers must calculate a NIM load estimate by multiplying the node count by a specific Load Factor to prevent network overloads.
        • Slot Assignment: In a standard 3/3/2/2 Multinode Module configuration, the EPNI board is typically installed in specific slots (e.g., slots 2, 5, 8, or 10) depending on the redundancy setup.
        • Visual Indicators: It includes status LEDs such as SELF TST/ERR (red) and PASS MOD TEST (green). A red light typically indicates a hardware failure, RAM parity error, or duplicate address detection.
        • Network Bridging Control: It manages the flow of messages from the UCN to the LCN and vice versa, ensuring that operators at the Universal Station (US) have a continuous view of process variables.
        • Redundancy Management: Usually deployed in redundant pairs; the board manages automatic switchover to ensure the link between network tiers remains active during a hardware failure.
        Description
        The Honeywell 51401583-100 is a Enhanced Process Network Interface (EPNI) board designed to serve as a critical communication bridge within the TDC 3000 TotalPlant Solution (TPS) system. As a core component of the Network Interface Module (NIM), the 51401583-100 facilitates seamless data exchange between the Local Control Network (LCN) and the Universal Control Network (UCN). This board is engineered to provide the high-speed processing power necessary for managing real-time data flow across complex industrial automation architectures.

        In terms of technical utility, the 51401583-100 functions by interconnecting various control nodes, such as Process Managers (PM) and Advanced Process Managers (APM), ensuring that the point database remains synchronized across the network. The 51401583-100 is specifically designed to handle the heavy throughput required for large-scale monitoring and control operations. Its robust architecture allows it to replace older PNI and PNM board sets, effectively consolidating multiple functions into a single, more efficient hardware footprint to improve overall system reliability.

        This 51401583-100 Enhanced Process Network Interface Board is specifically designed to handle the challenges of network latency and data synchronization in high-availability industrial environments. For example, in large-scale oil and gas refineries where millisecond-accurate data is vital for safety, the 51401583-100 addresses the problem of communication bottlenecks between different network tiers. By providing a stable interface, the 51401583-100 solves the issue of potential data loss during network transitions, ensuring that operators have a continuous and accurate view of the process variables in real-time.

        Furthermore, the 51401583-100 is often utilized in power generation facilities to manage Sequence of Events (SOE) time synchronization. In these scenarios, the 51401583-100 is designed to resolve the problem of time-stamping discrepancies across decentralized nodes. By maintaining a unified time clock across the UCN, the 51401583-100 solves the difficulty of post-incident analysis, allowing engineers to pinpoint the exact root cause of a trip or failure. This makes the 51401583-100 an indispensable tool for maintaining both the operational integrity and the safety standards of modern industrial plants.
        Alternative Names
        51401551-301 51401551-400 51401551-600 51401551-601
        Technical notes
        The 51401583-100 operates on industrial-grade power requirements, typically utilizing 5 V DC or 24 VDC with a power consumption of approximately 6.0 W and a maximum current draw of 2.0 A. The 51401583-100 supports data transmission rates up to 1 Mbps and can accommodate up to 255 nodes within the network architecture.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        Why is the 51401583-100 important for Sequence of Events applications?
        For applications requiring Sequence of Events (SOE) time synchronization, the 51401583-100 must be equipped with firmware version “H.” This ensures precise event timing and accurate chronological recording, which is critical in industries where detailed operational history and fault analysis are required.
        What additional components are required for full operation?
        To function as a complete Network Interface Module, the 51401583-100 must work with the K4LCN processor and be paired with NIM Modem I/O cards such as the 51304511-100 or 51304511-200. These supporting modules provide the necessary communication interfaces and processing functions for complete network connectivity.
        Does the 51401583-100 support redundancy?
        Yes. The board supports dual-redundant NIM configurations, which enhance system availability and fault tolerance. This redundancy is essential in mission-critical applications where continuous operation must be maintained even in the event of hardware failure.
        Why is the 51401583-100 valuable in industrial automation?
        The 51401583-100 combines robust network bridging, protocol conversion, redundancy support, and industrial-grade durability into one essential module. It plays a vital role in ensuring seamless integration between different network architectures, making it indispensable for both legacy system maintenance and modern control system expansion.

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