ABB DI581-S 1SAP284000R0001 Safety Digital Input Module

The ABB DI581-S 1SAP284000R0001 is a robust Safety Digital Input Module designed for the AC500-S Safety PLC system. This module is part of ABB’s well-known range of high-reliability programmable logic controllers designed specifically for safety-critical applications. It provides digital input capabilities for safety-related systems, ensuring compliance with SIL 3 (Safety Integrity Level) requirements as per IEC 61508 and ISO 13849-1 standards.

The DI581-S module supports up to 8 digital input channels and is engineered with a compact footprint, making it suitable for modular and scalable control solutions. It is ideal for integration in machinery automation, process safety systems, and functional safety solutions across a variety of industrial sectors such as manufacturing, oil & gas, and power generation.

Technical Specifications

Applications

• Machine Safety Systems: Ensures that dangerous parts of machines are shut down safely.

• Emergency Stop Circuits: Critical in applications where emergency intervention may be needed.

• Process Industry: Applied in petrochemical and chemical processing plants for safety monitoring.

• Power Plants: Used to detect hazardous conditions and initiate protective actions.

• Factory Automation: Enhances safety in assembly lines and robotic cells.

• Oil & Gas Sector: Ideal for offshore and refinery safety systems.

• Material Handling Systems: Prevents accidents in conveyor systems or cranes.

• Packaging Machinery: Ensures safe operation in high-speed packaging lines.

Advantages

• Certified Safety: Meets stringent safety standards (SIL 3, PL e).

• Compact Design: Saves space in control cabinets.

• Fast Diagnostics: Enables quick fault identification and resolution.

• Flexible Configuration: Supports both single and dual-channel operation.

• Rugged Build: Suitable for harsh industrial environments.

• Seamless Integration: Works natively with AC500-S safety PLCs.

• Energy Efficient: Low power consumption contributes to overall system efficiency.

• LED Indicators: Immediate visual feedback for maintenance and operations.

Frequently Asked Questions (FAQ)

1. What is the primary function of the DI581-S module?

   The DI581-S is a safety digital input module designed to monitor safety-related digital signals for use in safety PLC systems.

2. How many channels does the DI581-S support?

   It supports 8 digital input channels, which can also be configured for dual-channel operation (4x dual).

3. Is the DI581-S compliant with SIL 3 safety requirements?

   Yes, it is certified for SIL 3 according to IEC 61508 and PL e, Cat. 4 according to ISO 13849-1.

4. Which PLC system is compatible with the DI581-S?

   It is designed for use with ABB’s AC500-S safety PLC system.

5. Can the module detect faults in wiring or connected devices?

   Yes, it has built-in diagnostics to detect short circuits, wire breaks, and other faults.

6. Does the DI581-S require external power supply?

   It operates on 24V DC supplied through the system’s power distribution.

7. What type of input signal does the DI581-S support?

   It accepts PNP-type digital signals (24V DC).

8. Is the DI581-S suitable for harsh industrial environments?

   Yes, it is designed for industrial use with wide temperature and humidity tolerances.

9. How is the DI581-S mounted?

   The module is DIN rail mountable.

10. Are firmware updates available for the DI581-S?

    Yes, ABB provides firmware updates for enhanced features and diagnostics.