Excellent PLC
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Product Introduction
The ABB Bailey NIDI01 Digital Input Termination Module is a key component in ABB’s distributed control systems, designed to handle digital input signals within industrial automation environments. Engineered for robustness and reliability, this module serves as an interface between field devices and the controller, ensuring accurate and consistent signal processing. The NIDI01 facilitates seamless integration of discrete input signals such as those from limit switches, pushbuttons, and relay contacts into the control system architecture.
Built with ABB’s renowned quality standards, the NIDI01 guarantees dependable performance even in demanding industrial settings such as power generation, oil & gas, chemical processing, and manufacturing industries. Its modular design allows for easy installation, maintenance, and system scalability, making it an ideal choice for both new projects and system upgrades.
Product Specifications
| Parameter | Details |
|---|---|
| Product Model | NIDI01 |
| Product Type | Digital Input Termination Module |
| Input Type | Discrete (Digital) Inputs |
| Number of Input Channels | 16 channels |
| Input Voltage Range | 24 VDC nominal |
| Input Current | 6 mA per channel |
| Input Response Time | < 5 ms |
| Isolation Voltage | 1500 V RMS (channel to logic) |
| Power Supply Voltage | 5 VDC (from system backplane) |
| Operating Temperature Range | -20°C to +60°C |
| Storage Temperature Range | -40°C to +85°C |
| Relative Humidity | 5% to 95%, non-condensing |
| EMC Compliance | IEC 61000-6-2 / IEC 61000-6-4 |
| Mounting Type | DIN Rail or Panel Mounting |
| Dimensions (H x W x D) | 78.74 x 215.9 x 233.68 mm |
| Weight | 0.7 kg |
Product Applications
The NIDI01 module is versatile and can be employed across a wide range of industrial applications, including:
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Power Plants (Thermal, Nuclear, Hydro)
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Oil & Gas Facilities (Upstream, Midstream, Downstream)
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Chemical & Petrochemical Plants
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Pulp & Paper Industries
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Water & Wastewater Treatment Plants
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Steel & Metal Processing
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Automotive Manufacturing
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Pharmaceutical Production
Its primary role is to reliably capture and transmit digital signals from field devices to the central controller, supporting effective monitoring, control, and automation.
Product Advantages
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High Signal Integrity: Robust isolation and noise immunity ensure accurate digital signal processing.
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Modular Design: Facilitates easy installation, replacement, and system expansion.
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Industrial-Grade Build: Designed to withstand harsh industrial environments.
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Rapid Response Time: Supports high-speed control loops with sub-5 ms input response.
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Compact Footprint: Saves space in control cabinets and enables dense I/O configurations.
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Comprehensive Diagnostics: Provides fault detection and diagnostics for easy maintenance.
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Wide Temperature Range: Operates reliably under extreme temperature conditions.
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Certified Compliance: Meets stringent industry standards for safety and electromagnetic compatibility.
Frequently Asked Questions (FAQ)
1. What is the primary function of the ABB Bailey NIDI01 module?
The NIDI01 serves as a termination point for digital input signals, converting them into data for the control system.
2. How many input channels does the NIDI01 support?
It supports 16 discrete input channels.
3. What voltage level is required for the input signals?
The nominal input voltage is 24 VDC.
4. Is the module isolated from the control system?
Yes, it provides 1500 V RMS isolation between input channels and logic circuits.
5. Can the NIDI01 operate in outdoor environments?
It is suitable for indoor installation in controlled environments or within appropriately rated enclosures.
6. What mounting options are available?
It can be DIN rail or panel mounted.
7. Is the NIDI01 compatible with legacy ABB Bailey systems?
Yes, it is fully compatible with Bailey INFI 90 and Symphony systems.
8. What is the expected service life of the module?
With proper installation and environmental conditions, service life exceeds 10 years.
9. Does the module support diagnostics?
Yes, built-in diagnostics help detect channel faults and wiring issues.
10. Is it possible to replace the NIDI01 module online without shutting down the system?
Hot-swapping depends on the specific system configuration; consult the system manual for guidelines.
Recommended Related Models (Same Series / Function)
| Model | Description |
|---|---|
| NIMP01 | Digital Input Module Processor |
| NIPI01 | Digital Input Processor Interface |
| NIMF01 | Digital Input Module Fuse Panel |
| NIDI02 | Digital Input Termination Module (High-Density) |
| NIDO01 | Digital Output Termination Module |
| NISB01 | Digital Signal Buffer Module |
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| Model | Description |
|---|---|
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