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        ABB XN03 XN 03
        ABB XN03 XN 03
        ABB XN03 XN 03
        ABB XN03 XN 03
        ABB XN03 XN 03
        ABB XN03 XN 03
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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power delivers completely packet-verified, out-of-production connection nodes to stabilize your legacy industrial bus topologies and protect your master-slave links from catastrophic data-stream severance and hardware lockups.

        XN03

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        The ABB XN03 is a specialized, hardware-defined 2-from-2 redundancy monitoring module engineered for legacy Hartmann & Braun (H&B) Contronic 3 Distributed Control Systems (DCS).
        In Stock
        Ships by Thursday, October 29
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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.
        Shipping 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
        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.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for XN03

        • Manufacturer:
          ABB
        • Part Number:
          XN03
        • Product Family:
          ABB H&B Contronic
        • Product Type:
          Redundancy Monitoring Module
        • Stock:
          1
        • Companion Modules:
          XN 05 (Redundancy Logic), XN 06 (Analog/Power Redundancy)
        • Hardware Configuration:
          Zero-Software / Hard-wired logic array
        • Rear Connection Interface:
          DIN 41612 Multi-pin subrack rack connector
        • Internal Backplane Supply Voltages:
          +5V DC (± 5%) and +24V DC (± 10%)
        • Operating Ambient Temperature:
          0°C to +55°C (+32°F to +131°F)
        • Storage & Transport Temperature:
          -25°C to +70°C (-13°F to +158°F)
        • Relative Humidity (RH) Limits:
          5% to 95% continuous, non-condensing.
        • Certification:
          CE, cULus, RoHS Compliant
        • Weight:
          0.2 kg
        • Estimated shipping dimensions:
          20.3x2.5x12.7cm
        • Tariff Code:
          8537109090
        • Country of origin:
          Sweden
        • 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 Operating Environment Monitoring & Control

        Features:

        • Deterministic Hardware-Level 2-from-2 Voting Logic
        • Zero-Configuration, Pure Plug-and-Play Maintenance
        • Heavy-Duty Industrial Isolation & Shielding
        The ABB XN03 executes autonomous physical loop voting between dual-channel control architectures, ensuring instantaneous and jitter-free hardware fallback without relying on active application firmware cycles.

        Built with a zero-software dependent architecture, the ABB XN03 requires no memory flash, firmware alignment, or address register mapping, allowing immediate, risk-free deployment during emergency plant maintenance.

        Engineered with high-grade components that exceed standard specifications, the ABB XN03 provides superior electrical isolation across the backplane to prevent cross-talk and block high-frequency physical noises.

        The XN03 ABB H&B Contronic 3 Series 2-from-2 Redundancy Monitoring Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        ABB XN03 H&B Contronic 3 Series 2-from-2 Redundancy Monitoring Module 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.
        ABB XN03 H&B Contronic 3 Series 2-from-2 Redundancy Monitoring Module

        General

        • Manufacturer ABB
        • Model XN03
        • Condition New Original ready stock
        • Product Family XM02 XM 02,XN05 XN 05,XN06 XN 06
        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.
        • Thermal Power Generation Facilities: The module operates within aging coal-fired and gas-turbine power utilities, supervising redundancy loops for critical boiler feed pumps and automated turbine trip interlocks.
        • Petrochemical and Refining Complexes: It safeguards continuous processing lines by providing hardware-defined voting logic for fractional distillation columns and hazardous chemical blending stations.
        • Pulp, Paper, and Manufacturing Mills: The card maintains continuous physical subrack bus uptime across wet-end additive dosing units and multi-drive motor synchronization racks.
        • Large-scale Metallurgical Smelters: It coordinates localized monitoring telemetry for high-temperature blast furnace cooling lines and automated raw material conveyor networks.
        • Strict Thermal Management Envelope: Functions optimally within closed industrial control cabinets maintaining ambient temperatures between 0°C and 55°C, requiring adequate panel cross-ventilation.
        • Moisture and Condensation Defenses: Engineered to tolerate up to 95% relative humidity (RH) without moisture condensation, requiring climate-controlled control rooms in tropical or coastal industrial zones.
        • Vibration and Mechanical Shock Resistance: Structural design features reinforced Eurocard PCB anchoring to resist continuous mechanical vibrations common near heavy milling or stamping equipment.
        • Chemical Atmospheric Protection Requirements: Must be operated in clean, non-corrosive air environments (conforming to ISA-S71.04 Class G1 conditions) to shield the copper traces and gold-plated pins from sulfurization.
        • Hardware Watchdog Comparison Loops: Executes an autonomous, hard-wired validation loop that continuously measures signal parity between redundant processors, ensuring instant fail-safe trips if a freeze is detected.
        • Real-time Localized Telemetry Routing: Packets backplane voltage and diagnostic status lines directly to the rack's centralized engineering unit for pre-emptive fault analysis and early warning alarms.
        • Backplane Cross-Talk Suppression: Utilizes onboard electrical isolation circuitry on its data links to prevent localized field short-circuits from damaging the core system bus or neighboring cards.
        • Precise Deterministic Execution Cycles: Operates with ultra-low jitter and zero software overhead, providing high-precision monitoring synchronization for critical analog input and digital logic architectures.
        Description
        The ABB XN03 represents a field-proven benchmark in hard-wired system reliability, purpose-built to execute hardware-level fail-safe loop monitoring within vintage Hartmann & Braun Contronic 3 architectures. Operating as a dedicated 2-from-2 voting circuit, this module eliminates software latency by performing real-time signal validation and localized backplane monitoring across dual-channel control configurations. It bridges the gap between old-school heavy industrial ruggedness and the deterministic system uptime demanded by critical process loop architectures.

        Designed for long-term lifecycle sustainability, the ABB XN03 functions as a vital hardware asset for plants running heritage DCS infrastructures that are now supported under ABB's legacy life-cycle care. It empowers process engineers to maintain or extend the operational lifespan of their existing control cabinets without executing high-risk, cost-prohibitive total system overhauls. By replacing degraded terminal blocks or aging supervisor cards with this factory-spec hardware, industrial facilities can guarantee absolute physical signal integrity across distributed field units.

        The ABB XN03 is manufactured to extreme global industrial standards, utilizing zero-software dependency to ensure it remains entirely immune to application firmware errors or operating system bugs. This hard-coded logic architecture makes the module an ideal drop-in replacement part for emergency maintenance routines, drastically accelerating MTTR (Mean Time to Repair). Its hardware-defined topology reduces the overhead associated with software re-configurations or loop-tuning validations during emergency hot-swapping or plant turnarounds.

        To combat harsh factory floor conditions, the ABB XN03 features robust, heavily shielded circuitry that ensures exceptional resilience against severe electromagnetic interference (EMI) and continuous industrial vibrations. It minimizes the total cost of ownership by preventing unexpected hardware dropouts, local subrack short-circuits, and catastrophic system-wide communication drops. By securing an exact OEM-matched module, procurement managers can eliminate compatibility risks and ensure non-stop operability on mission-critical manufacturing lines.
        Alternative Names
        XN 03 XN03 XN 03 XNO3 XM02 XM 02 XN05 XN 05 XN06 XN 06
        Technical notes
        Prior to physical installation, the local subrack frame must be entirely isolated from active power lines to prevent transient bus short-circuits or localized impedance anomalies near the ABB XN03 interface. Additionally, the rear DIN 41612 connector pins of the ABB XN03 must be thoroughly inspected for physical alignment, debris, or copper oxidation before slot insertion to ensure proper contact and avoid communication drops.
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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
        Which specific firmware revisions and software environments are compatible with the ABB XN03 module?
        The ABB XN03 is completely independent of firmware revisions, as it operates entirely on hard-wired analog and digital logical circuits. It is fully compatible with any native Hartmann & Braun Contronic 3 subrack environment regardless of the central M601 or M801 processor's software version, making it globally interchangeable without configuration tools.
        What fieldbus communication protocols does the ABB XN03 support, and how does it interface with third-party networks?
        The ABB XN03 does not directly process standard serial or Ethernet fieldbus protocols like Modbus or Profibus. Instead, the ABB XN03 interfaces natively via the proprietary H&B Contronic 3 backplane bus, routing its hard-wired redundancy status signals through a master communication coupler or gateway module if third-party integration is required.
        What are the backplane I/O terminal wiring configurations and pin definitions for the ABB XN03 module?
        The ABB XN03 utilizes a standardized DIN 41612 multi-pin male connector on its rear interface, which maps system power tracks (5V/24V DC), clock synch lines, and differential monitoring signals. True wiring schematics must be cross-referenced with the original Contronic 3 Subrack Hardware Manual to avoid physical cross-connections or terminal damage.
        How detailed is the onboard diagnostic functionality of the ABB XN03, and does it require external telemetry?
        The ABB XN03 provides autonomous, component-level diagnostic monitoring via integrated hardware comparison circuits. If a signal mismatch or internal voltage drop occurs, the ABB XN03 immediately trips a physical fault contact on the backplane, forcing a central HMI alarm loop notification without needing software polling.
        What are the exact ambient operating and environmental limitations specified for the ABB XN03?
        The ABB XN03 is rated for standard, climate-controlled indoor control rooms, maintaining peak operation within a temperature envelope of 0°C to +55°C (+32°F to +131°F). The ABB XN03 tolerates non-condensing relative humidity levels from 5% to 95%, provided it is enclosed in an IP54-rated or NEMA 12 industrial cabinet.

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