EMERSON SLS1508
Emerson SLS1508 Overview
The SLS1508 is a Safety Logic Solver module within the Emerson DeltaV Safety Instrumented System (SIS). As a digital expansion module designed for SIL 3 safety functions (IEC 61508 / IEC 61511), it provides highly reliable logic processing, status detection, and pulse counting in industrial automation environments. It supports dual-channel redundancy, hot-swappable maintenance, and operates on the dedicated communication bus of the DeltaV SIS platform.
Main Technical Specifications
| Parameter | Description |
|---|---|
| Power Supply | 24 V DC, approx. 1 A input current (KJ2201X1-BA1) |
| Safety Level | SIL 3 (compliant with IEC 61508 / IEC 61511) |
| Redundancy | Dual-channel redundancy with hot-swap support |
| Operating Temperature | -40 °C to +70 °C (some models: 0 °C to +60 °C) |
| Storage Temperature | -40 °C to +85 °C |
| Protection Rating | IP20 (DIN-rail mounted) |
| I/O Interfaces | Multiple digital input/output channels; supports expandable I/O modules |
| Communication Protocol | DeltaV SIS dedicated bus; compatible with Modbus TCP/IP |
| Dimensions | Approx. 243.84 mm × 243.84 mm × 73.66 mm (about 0.9 kg) |
Key Features
High Reliability
Dual-channel redundancy and a hot-swappable design ensure continuous operation even if one channel fails.
Safety Logic Functions
Built-in SIL 3–level safety logic supports ON/OFF state detection, pulse edge counting, and other operations required for critical process safety.
Modular Expansion
Can be installed in the I/O slots of DeltaV FCU/NIU units and supports a variety of I/O expansion modules for flexible field configuration.
Strong Compatibility
Compatible with multiple control system brands (Allen-Bradley, ABB, Siemens, etc.), making integration into existing systems easier.
Industrial-Grade Environmental Adaptability
Wide operating temperature range, anti-shock, and anti-vibration performance meet the demands of harsh industrial environments.
Typical Applications
- Safety Instrumented Systems (SIS) in oil & gas, chemical, and pharmaceutical industries
- Critical safety logic control in power generation and metallurgy production lines
- Digital I/O expansion in process automation, supporting equipment status monitoring and emergency shutdown (ESD) logic
- Safety interlocking and fault diagnostics for high-risk processes (e.g., high temperature, high pressure)
Summary
The Emerson SLS1508 is a high-performance digital expansion module designed for industrial safety applications. With SIL 3 certification, dual-channel redundancy, wide-range temperature tolerance, and versatile I/O expansion capabilities, it is widely used in safety instrumented systems across oil & gas, chemical, pharmaceutical, power, and other critical process industries.
Emerson Main Series
| Monitoring board： | Westinghouse Card： | Delvta： | EPRO sensor probe: |
| EMERSON A6140 | 1C31129G03 1C31132G01 | CE400/ SE400/series | PR6423/PR6424 |
| EMERSON A6210 | 1C31166G02 1C31169G02 | CE3007,CE3008,SE3007, | PR6426/PR9268 |
| EMERSON A6220 | 1C31219G01 1C31223G01 | SE3008,VE3007,VE3008, | PR9376/ Sensor probe |
| EMERSON A6410 | 1C31234G01 1C31238H01 | VE3005,VE3006,VE4006 | Proximitor |
| EMERSON A6312 | 5X00119G01 A6140 | KJ320/KJ322/KJ3223/ | CON021/CON041 |
Q&A of our advantages:
Q: What is our primary advantage in product availability?
A: Our offers a wide range of industrial automation products with a high level of availability, ensuring quick delivery and minimal downtime.
Q: How does our ensure competitive pricing?
A: Our provides competitive pricing by leveraging strong supplier relationships and optimizing its supply chain.
Q: What sets our customer service apart?
A: Our customer service is distinguished by its knowledgeable support team and commitment to providing timely and effective solutions.
Q: How does our handle product quality?
A: Our ensures product quality through rigorous testing and quality control processes, backed by reliable manufacturer partnerships.
Q: Can our assist with obsolete or hard-to-find components?
A: Yes, our specializes in sourcing obsolete and hard-to-find components, helping customers maintain and upgrade their systems.
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