ABB Bailey SPAS011 Module – Product Specifications & Technical Overview

The ABB Bailey SPAS011 is a high-performance analog process module designed for industrial automation systems using the Bailey INFI 90 or Bailey NET 90 platform. Engineered for stable, accurate, and long-term operation, the SPAS011 provides reliable analog signal acquisition and conditioning, making it a key component for process control applications in power plants, petrochemical facilities, water treatment stations, and other mission-critical industries.

This module is widely recognized for its robust design, precise input handling, and seamless compatibility with legacy Bailey DCS architectures. With its durable construction and dependable performance, the SPAS011 ensures stable analog signal processing even under harsh industrial conditions.

Key Features

• High-accuracy analog signal acquisition

• Stable long-term performance with minimal drift

• Fully compatible with INFI 90 and NET 90 control systems

• Designed for continuous industrial operation

• Rugged construction for harsh environments

• Easy integration and module replacement

Technical Specifications of ABB Bailey SPAS011

Electrical Specifications

• Module Type: Analog processing / signal acquisition module

• Input Signal Types: Standard industrial analog signals (varies by system configuration)

• Signal Conditioning: Integrated filtering and stabilization

• Isolation: High-grade channel-to-ground and channel-to-bus isolation

• Accuracy: High measurement precision suitable for critical control loops

• Response Time: Fast, stable response for real-time processing

• Temperature Drift: Extremely low, ensuring long-term stability

• Input Protection: Built-in surge and electrical overstress protection

Operating Conditions

• Operating Temperature: Typically −20°C to +60°C (system dependent)

• Storage Temperature: −40°C to +85°C

• Relative Humidity: 5–95%, non-condensing

• Vibration & Shock: Industrial-grade resistance for field installations

Mechanical Specifications

• Form Factor: Standard Bailey DCS card format

• Mounting: Installs into standard Bailey module rack

• Weight: Lightweight, optimized for multi-slot installation

• Connector Type: Reinforced industrial connector for secure data transmission

Communication & System Integration

• System Compatibility:

  • Bailey INFI 90

  • Bailey NET 90

  • Harmony series (via compatible subsystem)

• Backplane Interface: Fully compliant with Bailey I/O subsystem bus

• Diagnostic Capabilities:

  • On-board fault indication

  • Real-time status monitoring

  • System-level handshake and health checks

Application Fields

The SPAS011 module is suitable for a wide range of industrial process environments, including:

• Power generation (thermal, nuclear, hydro)

• Chemical and petrochemical processing

• Metallurgy and material handling

• Oil & gas production and refining

• Water and wastewater management

• Industrial manufacturing automation

Why Choose the ABB Bailey SPAS011?

The SPAS011 combines long-term reliability, stable performance, and seamless backward compatibility—making it an ideal choice for operators managing ABB Bailey legacy systems. Its precision input handling and rugged industrial design ensure your control process remains stable, accurate, and uninterrupted.

Customers choose the SPAS011 because it provides:

• Extended system life for existing Bailey installations

• Reduced downtime due to high-stability architecture

• Easy module replacement with zero redesign

• Proven durability in 24/7 industrial applications