The Emerson SLS1508 Intelligent Logic Solver (ILS) is a high-reliability safety and control module used in Ovation™ control systems. It provides deterministic logic processing for safety instrumented systems (SIS), ensuring rapid and accurate responses to critical process conditions. The dual-module configuration (BA1 + HA1) enhances redundancy and system availability, making it ideal for power generation and industrial automation applications where safety and reliability are paramount.

Key Features

• High-speed, deterministic logic solver for safety applications

• Dual-module configuration (BA1 + HA1) for redundancy

• Compatible with Emerson Ovation™ control systems

• Supports complex safety logic and interlocks

• Rugged design for industrial environments

• Hot-swappable modules to reduce downtime

• Integrated diagnostics for enhanced reliability

• Meets IEC 61508 and SIL 3 safety standards

Technical Specifications

Industry Applications

• Power generation safety instrumented systems (SIS)

• Oil & gas critical process monitoring and control

• Chemical and petrochemical plant automation

• Industrial manufacturing with high-reliability safety requirements

Advantages

• Provides deterministic, high-speed logic processing for safety-critical applications

• Redundant dual-module design increases system reliability and availability

• Supports complex safety logic and interlocks for versatile applications

• Rugged and durable for harsh industrial environments

• Hot-swappable modules allow maintenance without downtime

• Integrated diagnostics enhance system reliability and early fault detection

Frequently Asked Questions (FAQ)

Q1: What is the main function of the SLS1508?

It performs high-speed, deterministic logic processing for safety-critical applications.

Q2: What does the BA1 + HA1 configuration mean?

It represents a dual-module redundant setup for higher system reliability.

Q3: How many logic channels does it support?

Each module supports 8–16 configurable logic channels.

Q4: Can it be used in harsh industrial environments?

Yes, it is rugged and operates from 0°C to +55°C with storage up to -40°C to +85°C.

Q5: Is it hot-swappable?

Yes, both modules can be replaced without shutting down the system.

Q6: What safety standards does it comply with?

It meets IEC 61508 and SIL 3 standards.

Q7: What are the dimensions of the solver?

83.8 × 105.5 × 110 mm.

Q8: What industries commonly use this device?

Power generation, oil & gas, chemical, petrochemical, and industrial manufacturing requiring high-reliability SIS.