
Product Description
ABB DX581-S Digital Input/Output Module - Advanced Safety I/O Solution
The ABB DX581-S (Part Number: 3ABD00033202) is a high-performance safety-rated digital input/output module engineered for demanding industrial automation applications. This S800 I/O series module delivers exceptional reliability in process control, manufacturing automation, and safety-critical systems where SIL2 and SIL3 certification is required.
Technical Specifications
- Digital Inputs: 8 channels SIL2-rated + 4 channels SIL3-rated
- Digital Outputs: 8 channels SIL2/SIL3-rated
- Pulse Outputs: 4 dedicated high-speed channels
- Safety Rating: SIL2 and SIL3 certified per IEC 61508
- Operating Voltage: 24V DC nominal
- Module Series: ABB S800 I/O Platform
- Communication: ModuleBus compatible
- Mounting: DIN rail installation
Application Scenarios
The DX581-S excels in safety-instrumented systems (SIS) for oil & gas, chemical processing, power generation, and pharmaceutical manufacturing. Deploy this module for emergency shutdown (ESD) logic, burner management systems (BMS), fire and gas detection interfaces, and critical interlock circuits. Its dual SIL2/SIL3 capability enables flexible architecture design while maintaining compliance with functional safety standards.
Engineering Solutions
Integrate seamlessly with ABB AC 800M controllers and System 800xA DCS platforms. The module supports hot-swapping for minimal downtime during maintenance, features built-in diagnostics for predictive maintenance strategies, and offers galvanic isolation to protect against electrical noise in harsh industrial environments. Configuration via ABB Control Builder software streamlines commissioning and reduces engineering hours.
Related Products
| Product | Description | Link |
|---|---|---|
| ABB DI810 | S800 I/O Digital Input Module | View Product |
| ABB DO880 | 16-Channel Digital Output Module | View Product |
| ABB CI801 | PROFIBUS FCI S800 Interface | View Product |
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