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Product Introduction
The ABB Bailey NIOX01 6634165EI I/O Expander Module is a high-performance and flexible expansion component designed to extend the input/output capacity of ABB’s Bailey INFI 90 and Harmony Distributed Control Systems (DCS). Built to meet the demands of modern and legacy industrial control applications, the NIOX01 module allows operators to add additional I/O points without the need for extensive rewiring or expensive controller upgrades.
The NIOX01 provides seamless integration within ABB Bailey systems, ensuring that expansion projects can be completed quickly while maintaining system integrity, performance, and reliability. With industrial-grade components and robust design, it is ideally suited for harsh industrial environments, including those in energy, chemical, water treatment, and manufacturing sectors.
Highly scalable, the NIOX01 supports large process control systems and allows for staged expansions over time — making it a smart choice for facilities planning future growth or modernization.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Name | ABB Bailey NIOX01 I/O Expander Module |
| Model Number | NIOX01 6634165EI |
| System Compatibility | Bailey INFI 90 / Harmony DCS |
| Communication Interface | Proprietary ABB Backplane Bus |
| Input Voltage | Supplied by system backplane |
| I/O Capacity per Module | Supports up to 128 digital or 64 analog channels |
| Expansion Capability | Daisy-chain support for multiple NIOX01 modules |
| Signal Types | Digital / Analog (depends on installed I/O cards) |
| Response Time | < 1 ms |
| Operating Temperature | 0°C to +60°C (32°F to 140°F) |
| Storage Temperature | -40°C to +85°C (-40°F to 185°F) |
| Humidity Range | 5% to 95% RH (non-condensing) |
| EMI/RFI Immunity | Compliant with IEC and CE standards |
| Module Status Indicators | LED indicators for power, communication, fault |
| Cooling Method | Convection (fanless design) |
| Dimensions (H x W x D) | 160 x 120 x 45 mm |
| Weight | 0.771 kg |
| Mounting Style | Rack-mount / Panel-mount |
| Certifications | CE, UL, CSA compliant |
Applications
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Expansion of I/O capacity in Bailey INFI 90 and Harmony DCS
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Brownfield modernization projects in existing ABB Bailey control systems
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Oil & Gas exploration, refining, and distribution
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Power generation (coal, gas, nuclear, hydroelectric)
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Water & Wastewater treatment plants
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Chemical & Petrochemical industries
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Steel production and metallurgy plants
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Food & Beverage processing facilities
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Pharmaceutical and life sciences manufacturing
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Pulp & Paper mills and packaging industries
Product Advantages
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Seamless Expansion: Increases system I/O capacity without extensive reprogramming or hardware changes.
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Plug & Play Integration: Works natively with ABB Bailey INFI 90 and Harmony systems with simple backplane connection.
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Highly Scalable: Supports daisy-chaining of multiple NIOX01 units for large-scale system expansion.
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Minimal Downtime: Modules can often be installed during live operation with minimal disruption.
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Industrial-Grade Durability: Built to perform in harsh environments — resistant to temperature, vibration, and EMI/RFI interference.
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Compact Design: Space-saving form factor allows installation in existing control cabinets.
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Low Maintenance: Passive cooling eliminates fans, reducing mechanical wear and failure points.
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Lifecycle Support: Fully supported under ABB’s product lifecycle services for future-proof investment protection.
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Enhanced Monitoring: Built-in LED indicators provide at-a-glance module status and fault diagnostics.
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Future-Proof Flexibility: Ideal for modernizing legacy systems or planning phased expansions.
Frequently Asked Questions (FAQ)
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What is the primary function of the ABB NIOX01 module?
It expands the I/O capacity of ABB Bailey INFI 90 and Harmony DCS systems. -
How many I/O channels can the NIOX01 module support?
Each module can support up to 128 digital or 64 analog channels, depending on the configuration. -
Is this module compatible with both INFI 90 and Harmony systems?
Yes, the NIOX01 integrates seamlessly with both platforms. -
Does the NIOX01 require separate power input?
No, it is powered via the system backplane. -
Can multiple NIOX01 modules be daisy-chained?
Yes, you can connect multiple modules for extensive I/O expansion. -
What types of signals can the NIOX01 handle?
It supports both analog and digital signals, depending on the installed I/O cards. -
Can I install the NIOX01 without shutting down the control system?
In many cases, yes — it supports hot-swapping depending on system configuration. -
What are the environmental ratings of the module?
It operates in temperatures of 0°C to +60°C and humidity up to 95% RH (non-condensing). -
Does the module provide diagnostic LEDs?
Yes, it includes LEDs for power, communication status, and fault detection. -
What certifications does the NIOX01 meet?
The module is CE, UL, and CSA compliant.
Related Models (Same Series or Product Line)
| Model Number | Description |
|---|---|
| NIOP02 | I/O Power Panel |
| NIOP04 | I/O Power Panel |
| NIPI01 | I/O Panel Interface Module |
| IMCP01 | Communication Processor Module |
| NIMP02 | Multifunction Processor Interface |
| IMDSI01 | Digital Input Module |
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