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ABB CI920N 3BDS014113 Communication Interface for Industrial Automation
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ABB Bailey NDSI02 Digital Slave Input Module

Brand:ABB Bailey
Item No.:NDSI02
Product Origin:Sweden
Product Dimensions:103 × 137 × 47 mm
Product Weight:0.47kg
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO
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Product Overview

The ABB Bailey NCIS02 6637087B1 Control I/O Slave Module is a distributed control interface designed for ABB Bailey INFI 90, Network 90, and Symphony DCS platforms. Acting as a remote I/O slave, it bridges field-level analog and digital signals with central control processors, enabling reliable data acquisition and command distribution across large-scale industrial automation systems. Built for long-term operation, the NCIS02 is widely used in legacy and hybrid DCS environments where stability, determinism, and compatibility are essential.

Technical Specifications

SpecificationDetails
ModelNCIS02
Part Number6637087B1
Module TypeControl I/O Slave Module
System CompatibilityABB Bailey INFI 90 / Network 90 / Symphony DCS
FunctionDistributed I/O communication and signal aggregation
Communication InterfaceINFI-NET control bus
I/O SupportWorks with analog and digital I/O modules
Electrical IsolationOptical / galvanic isolation for noise immunity
Status IndicatorsPower, Communication, Status, Fault LEDs
Mounting MethodRack-mounted in Bailey compatible chassis
Operating Temperature0 °C to +60 °C
Storage Temperature−40 °C to +85 °C
Relative Humidity5 %–95 % non-condensing


Application Scenarios

The NCIS02 is commonly deployed in process automation systems requiring reliable distributed I/O handling, including:

  • Process Control Plants: Chemical, petrochemical, refining, and power generation facilities

  • Remote I/O Expansion: Extending analog and digital I/O capacity without increasing CPU load

  • Distributed Control Architectures: Supporting multi-rack and multi-node DCS installations

  • Legacy System Maintenance: Sustaining long-running Bailey and Symphony systems with proven hardware

Its role is to ensure stable, deterministic communication between field devices and control logic.


Key Advantages

  • Efficient Distributed I/O Handling: Offloads I/O processing from central controllers

  • High Compatibility: Fully aligned with ABB Bailey DCS ecosystems

  • Robust Diagnostics: LED indicators simplify commissioning and fault tracing

  • Industrial Reliability: Designed for continuous operation in harsh plant environments

  • Scalable Architecture: Supports expansion across multiple I/O racks and process areas

These strengths make the NCIS02 a dependable solution for both existing systems and controlled upgrades.


Technical FAQs

  1. What does the NCIS02 module do?
    It acts as a control I/O slave, managing communication between field I/O modules and the central DCS controller.

  2. Which systems support this module?
    ABB Bailey INFI 90, Network 90, and Symphony distributed control systems.

  3. Does it support analog and digital signals?
    Yes, when paired with compatible Bailey analog and digital I/O modules.

  4. Is configuration done on the module?
    No — configuration is handled through system engineering tools at the controller level.

  5. What communication bus does it use?
    The INFI-NET control communication bus.

  6. Can it be hot-swapped?
    Typically no; power isolation is recommended before replacement.

  7. How are faults indicated?
    Through front-panel LEDs showing power, communication, and fault status.

  8. Is the module suitable for harsh environments?
    Yes, it is rated for industrial temperature and humidity conditions.

  9. Does it expand system I/O capacity?
    Yes, it enables additional I/O racks to operate as part of the same control network.

  10. Is it backward compatible?
    It is generally compatible with earlier Bailey I/O slave configurations within supported systems.


Sales and Business Development

Phone: +8617350837383
E-mail: [email protected]
Skype: +8617350837383
WhatsApp: +8617350837383
Business hours: We Provide Online Support 24/7
Address: Room 1001, Jiuzhou Commercial Building, Xiamen, Fujian Province, China

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