100 in stock
ABB NTAI06 | Bailey INFI 90 16-Channel Analog Input TU
ABB NTAI06 | Bailey INFI 90 16-Channel Analog Input TU
Brand/Manufacturer: ABB
Order Number: NTAI06
Type: Analog Input Termination Unit
Country of Origin: Sweden
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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Description
ABB Bailey NTAI06 Universal Analog Input Termination Unit 6639364D1
The NTAI06 (Assembly: 6639364D1) is a specialized Universal Analog Input Termination Unit engineered for the ABB Bailey INFI 90 Distributed Control System (DCS). This unit serves as the physical interface between field instrumentation and the system's analog input modules, such as the IMASI02 or similar controllers. The NTAI06 (Model: NTAI06) is designed to manage 16 channels of high-density analog signals, converting raw field data from sensors into a format compatible with the INFI 90 backplane.
As a critical point of connection, the NTAI06 (Assembly: 6639364D1) supports a variety of signal types including 4-20 mA current loops and ±10 VDC voltage signals. This flexibility allows engineers to standardize on a single termination type for temperature, pressure, and flow transmitters. By providing galvanic isolation and transient protection, the module ensures that electrical noise or ground loops in the field do not compromise the integrity of the central process control unit, maintaining high Expertise and Trustworthiness (E-E-A-T) in mission-critical environments.
Signal Conditioning and Field Wiring Integration
The NTAI06 (Assembly: 6639364D1) utilizes a high-density terminal block arrangement that simplifies the organization of field wiring. Each of the 16 channels is equipped with specialized filtering circuitry to mitigate Electromagnetic Interference (EMI) often found in heavy industrial sectors like steel mills and power plants.
In a standard INFI 90 deployment, the NTAI06 (Model: NTAI06) acts as a buffer. It manages the precision resistors required for current-to-voltage conversion (typically 250 ohms for 4-20 mA signals) and ensures that each signal is properly fused or current-limited. This proactive protection prevents a single faulty transmitter from dragging down the power rail for the entire 16-channel bank, thereby increasing the system's fault tolerance and overall reliability.
Detailed Technical Specifications
The NTAI06 (Model: NTAI06) is a passive-to-active interface board optimized for high-reliability industrial signal conditioning.
| Feature | Details |
| Manufacturer | ABB (Bailey Controls Legacy) |
| Model Number | NTAI06 |
| Assembly Number | 6639364D1 |
| System Series | INFI 90 DCS |
| Module Type | Universal Analog Input Termination Unit |
| Channel Count | 16 Input Channels |
| Signal Compatibility | 4-20 mA, 1-5 VDC, 0-10 VDC, ±10 VDC |
| Voltage Rating | 24 V DC |
| Current Rating | 0.5 Amp per board |
| Isolation | Individual channel-to-system galvanic isolation |
| Accuracy | High-precision signal pass-through (±0.1% typical) |
| Operating Temp | 0°C to +70°C |
| Dimensions | 17.8 cm x 2.5 cm x 17.8 cm (7.0" x 1.0" x 7.0") |
| Net Weight | 0.43 kg (0.95 lbs) |
| Country of Manufacture | India / USA (Regional Variants) |
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We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
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We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
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