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Product Introduction
The ABB Bailey NDLS02 Digital Logic Station is a powerful and versatile controller module within the INFI 90 Distributed Control System (DCS). This unit plays a pivotal role in executing complex digital logic functions that enable high-speed, deterministic control across industrial automation processes. As part of the INFI 90 series, the NDLS02 is specifically engineered to handle digital decision-making, interlocks, sequencing, and coordination of field I/O, making it indispensable in environments requiring precise binary logic operations.
The NDLS02 excels in mission-critical control scenarios by offering rapid logic processing capabilities, reliable I/O communication, and seamless integration with other INFI 90 modules. Its robust design ensures long-term stability in challenging environments like power generation plants, petrochemical facilities, and heavy manufacturing sectors.
Product Specifications
| Parameter | Details |
|---|---|
| Product Model | NDLS02 |
| Manufacturer | ABB (Bailey Controls) |
| System Platform | INFI 90 DCS |
| Module Type | Digital Logic Processor |
| Primary Function | Executes user-defined logic functions |
| Logic Support | Ladder Logic, Boolean Expressions |
| I/O Interface | Communicates with binary input/output modules |
| Communication Protocol | INFI-Net |
| Update Cycle | Sub-millisecond execution (typical) |
| Power Consumption | < 5 W |
| Operating Temperature Range | 0°C to +60°C |
| Storage Temperature Range | -40°C to +85°C |
| Humidity Range | 5% to 95% non-condensing |
| Mounting Type | Rack-mounted on INFI 90 Termination Unit |
| Front Indicators | Power, Status, Communication, Fault |
| Hot Swappable | Yes |
| Diagnostics | Built-in self-checks and communication monitoring |
| Dimensions (H × W × D) | 290 × 25 × 185 mm |
| Weight | 1 kg |
| Certifications | CE, UL, CSA, RoHS compliant |
Product Applications
The NDLS02 Digital Logic Station is designed for high-performance logic control in various process automation applications:
-
Power Plant Automation
Used in turbine logic sequences, generator synchronization, and circuit breaker interlocks. -
Petrochemical & Refining
Manages safety interlocks, valve logic, and pump sequencing in hazardous environments. -
Water & Wastewater Management
Executes pump station logic, chemical dosing controls, and system redundancy checks. -
Pulp & Paper Industry
Controls machine interlocks, emergency stops, and process line transitions. -
Manufacturing and Discrete Control
Handles machine safety circuits, batch start/stop logic, and conveyor control systems. -
Transportation & Infrastructure
Logic control in tunnel ventilation, railway interlocking systems, and bridge automation.
Product Advantages
-
Deterministic Logic Execution
Ensures rapid, predictable logic performance, crucial for time-sensitive operations. -
Seamless INFI 90 Integration
Fully compatible with other ABB Bailey modules, controllers, and I/O systems. -
Advanced Diagnostics
Provides real-time system health, logic state feedback, and fault identification. -
Rugged Industrial Design
Built to withstand environmental stressors including heat, humidity, and vibration. -
Hot-Swap Capability
Enables module replacement or maintenance without interrupting control processes. -
Legacy Support with Modern Reliability
Ensures long-term support for legacy systems while providing dependable modern operation. -
Low Power Operation
Energy-efficient design suitable for dense I/O environments. -
Simplified Maintenance
Onboard LED indicators and diagnostic ports help engineers pinpoint issues quickly.
Frequently Asked Questions (FAQ)
-
Q: What is the primary function of the NDLS02 module?
A: The NDLS02 executes digital logic control functions such as interlocks, sequences, and Boolean evaluations. -
Q: Can the NDLS02 be programmed with ladder logic?
A: Yes, it supports ladder logic and Boolean logic representations for ease of use in industrial environments. -
Q: Is the NDLS02 compatible with other ABB Bailey control modules?
A: Absolutely. It works seamlessly within the INFI 90 architecture alongside analog, binary, and communication modules. -
Q: Does the NDLS02 support real-time diagnostics?
A: Yes, it features built-in diagnostics and front-panel indicators for fault and communication monitoring. -
Q: Can this module be hot-swapped?
A: Yes, the NDLS02 can be hot-swapped without shutting down the control system. -
Q: What kind of I/O modules does it interact with?
A: It communicates with ABB’s binary input/output modules such as NBIC02 (input) and NBOI01 (output). -
Q: Is the NDLS02 suitable for high-speed control loops?
A: Yes, its sub-millisecond logic execution makes it ideal for fast-response control logic. -
Q: What type of mounting does the NDLS02 require?
A: It mounts into a standard INFI 90 I/O rack termination unit. -
Q: What is the operating temperature range of the module?
A: The operating temperature range is 0°C to +60°C. -
Q: What industries commonly use the NDLS02?
A: It is widely used in power generation, refining, water treatment, and manufacturing.
Related or Same-Series Models
| Model | Description | Function | System |
|---|---|---|---|
| NPMV01 | INFI 90 Main Processor Module | Central processing controller | INFI 90 |
| NBIC02 | Binary Input Module | Digital input acquisition | INFI 90 |
| NBOI01 | Binary Output Module | Digital output control | INFI 90 |
| NISB01 | Input Status Buffer | Signal conditioning | INFI 90 |
| NASO01 | Analog Output Module | 4–20 mA current output | INFI 90 |
| NARO01 | Analog Input Module | 4–20 mA signal acquisition | INFI 90 |
Popular ABB Models (Same Brand)
| Model | Description | Platform | Function |
|---|---|---|---|
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| AI801 | Analog Input Module (8 ch, 4–20 mA) | S800 I/O | Analog Input |
| AO845A | Analog Output Module (4 ch, 4–20 mA) | S800 I/O | Analog Output |
| PM866AK02 | AC 800M Controller with Ethernet Ports | 800xA | Main CPU Controller |
| TU840 | Extended Module Termination Unit (MTU) | S800 I/O | Field Termination |
| CI860 | Serial Communication Interface (Modbus RTU/ASCII) | AC 800M | Communication Handling |
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