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      Schneider Electric 990NAD23000
      Schneider Electric 990NAD23000
      · Product image is representative; revision or series may vary. Contact us to request a specific version.
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      990NAD23000

      Modbus Plus junction box with line terminal
      In Stock
      Ships by Saturday, July 25
      Fast Shipping Available

      Product Information:

      The Schneider Electric 990NAD23000 is a field-installable Modbus Plus (MB+) splitter backbone cable connector. Its primary purpose is to physically connect Modicon Quantum, Compact, or Momentum PLC processors or communication modules to a standard Modbus Plus LAN backbone using branch cables.

      The Schneider Electric 990NAD23000 junction box is designed for Modbus Plus networks, enabling reliable communication. This device operates over a 24 V DC voltage range and supports passive cooling, ensuring high efficiency without the need for active cooling.

      The Schneider Electric 990NAD23000 has an IP20 protection rating and requires a dedicated wiring tool (model: 043509383) for wiring. It is an essential end-node accessory for building highly stable, interference-resistant Modbus Plus Token Ring networks.

      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.
      Shiping Mode
      Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
      Parts Availability
      Moore automated offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
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      Technical specifications for 990NAD23000

      • Manufacturer:
        Schneider Electric
      • Product Category:
        PLC System
      • Spare Part Number:
        140DDI36300 990NAD23000
      • Estimated shipping dimensions:
        2.2 x 5.5 x 12 cm
      • Weight:
        0.23 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        France
      • Place of shipment:
        8537101190
      • Product Type:
        Junction Box
      • Category Series:
        Modicon
      • Network Protocol:
        Modbus Plus Network
      • Input Voltage Range:
        24 V DC
      • Cooling:
        Passive (No active cooling required)
      • Operating Temperature Range:
        -20°C to +60°C
      • Mounting:
        Wall or Panel Mount
      • Protection Class:
        IP20
      • Connector Type:
        Screw Terminals
      • Application:
        Used in Modbus Plus network for communication
      • Stock:
        100
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      Alternative Names

      99ONAD23OOO 140DDI36300 990NAD23000 140DDI36300 I40DD136300 140DD136300 14ODDI363OO 140DD136300 990NAD23000 990 NAD 230 00 140DDI36300 990 NAD 230 00 140 DDI 363 00 140 DD1 363 00 140 DDI 363 00 990 NAD 230 00 140 DD1 363 00 990 NAD 230 00 99O NAD 23O OO

      Information

      Overview Manuals Range compatibility Network Architecture Function

      Features:

      • IP20 Modbus Plus junction box with line terminal - Modbus Plus network
      • Accepts standard dual-shielded, twisted-pair Modbus Plus trunk cable
      • Requires the wiring tools 043509383
      Schneider Electric's Modicon series includes the 990NAD23000 junction box, designed for efficient communication in Modbus Plus networks. Accepting a 24V DC input voltage, this device is a key component ensuring seamless data transmission within automation systems. Its simple design and passive cooling eliminate the need for any active cooling mechanisms, enhancing long-term reliability. The 990NAD23000 plays a vital role in upgrading and expanding Modbus Plus networks, meeting diverse application needs while ensuring stable connectivity and communication.

      This model is easy to install, allowing users to conveniently mount the junction box on a wall or panel for flexible configuration. Its IP20 protection rating effectively prevents dust and solid foreign object ingress, ensuring stable operation in typical environments. Screw terminal connectors simplify and secure wiring, facilitating integration into the Modbus Plus communication protocol.

      The 990NAD23000 Schneider Electric Modbus Plus junction box with line terminal may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
      Schneider Electric 990NAD23000 Modbus Plus junction box with line terminal manual(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.
      Modicon Momentum automation platform
      Modicon TSX Micro automation platform
      Modicon Premium automation platform
      Modicon Quantum automation platform

      This product is an offer of Schneider Electric's Modicon Quantum range. This connection accessory is a junction box with IP20 degree of protection. It facilitates effective communication with Modbus Plus network. This product weighs 0.23 kg. It is compatible with Modicon Quantum, Momentum, TSX Micro, and Premium automation platform ranges. The Modicon Quantum range offers high performance, scalability, reliability, flexible communication, advanced control, user-friendly tools, and built-in safety features.
      Trunk to Branch Connection: This branch point connects to the node junction box. The trunk line passes directly through the 990NAD23000, from which a flexible branch line is led and plugged into the Sub-D 9-pin port of a Quantum module (such as the 140NOM21100 or the central CPU).
      Passive Design: Employs a purely passive internal design. Network traffic on the trunk requires no external or backplane power supply.
      Hot-Swap Safety: Because the branch point is located on the trunk's input/output path, you can disconnect the branch line connected to each PLC node without disrupting the physical continuity of the rest of the Modbus Plus network loop.

      Manuals

      Technical notes

      The Schneider Electric Modicon 990NAD23000 is an IP20-rated junction box with line terminals, designed specifically for Modbus Plus (MB+) industrial networks. Its core technical features can be summarized as follows: As a dedicated connection accessory for the Modicon automation platform (compatible with Quantum, Premium, Momentum, and TSX Micro), this junction box provides three physical interfaces and integrates line terminating resistors to absorb reflected signals from the bus terminals, thereby ensuring communication integrity.

      • Product Lifecycle Stage

        Obsolete/Discontinued by OEM

        Moore Automated provides high-quality Schneider Electric replacement modules and spare parts to support existing automation systems. Our solutions help reduce system downtime, maintain operational continuity, and extend the lifespan of existing industrial equipment.

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      FAQ

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      • How does the 990NAD23000 leverage its advanced industrial-grade communication architecture and deterministic signaling design to ensure high-integrity system interoperability in distributed automation environments?
        The 990NAD23000 is an industrial communication interface module designed to provide reliable deterministic data exchange between automation controllers and distributed I/O systems, thereby ensuring robust interoperability in mission-critical industrial architectures.
      • Why is the 990NAD23000 considered a key component of large-scale distributed control systems requiring real-time data exchange and high-availability network redundancy?
        The 990NAD23000 ensures stable, synchronized communication between control layers, enabling real-time process coordination in distributed control systems (DCS) and PLC-based automation infrastructures.
      • How does the 990NAD23000 maintain electromagnetic compatibility and communication signal integrity in industrial environments with high electromagnetic noise?
        The 990NAD23000 employs advanced shielding technology, impedance-controlled communication paths, and industrial-grade circuit isolation to minimize electromagnetic interference and ensure reliable data transmission.
      • How does the 990NAD23000 enhance predictive diagnostics and system transparency through real-time communication monitoring and fault detection mechanisms?
        The 990NAD23000 continuously monitors communication health, enabling early detection of packet loss, latency anomalies, and network instability.
      • How does the 990NAD23000 support highly available industrial network architectures requiring redundant and fault-tolerant communication paths?
        The 990NAD23000 supports redundant communication structures, ensuring uninterrupted data exchange in the event of partial network failure.
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      Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.
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