1SAP284100R0001 DX581-S ABB PLC-AC500 Safety Expansion

Product Overview

The DX581-S (1SAP284100R0001) is a high-integrity safety digital input/output module belonging to the ABB AC500-S safety PLC family. Unlike standard I/O modules, the DX581-S (1SAP284100R0001) is specifically designed for functional safety applications, meeting SIL3 (IEC 61508) and PLe (ISO 13849-1) requirements. It features 8 safety digital input channels and 8 safety digital output channels, providing a reliable interface for emergency stops, light curtains, and safety sensors. By utilizing advanced cross-talk monitoring and internal diagnostic self-tests, this module ensures that hardware failures are detected and transitioned to a safe state, maintaining the highest level of protection for personnel and machinery in complex automated environments.

Detailed Technical Specifications

• Manufacturer: ABB

• Model Name: DX581-S

• Order Number: 1SAP284100R0001

• Series: AC500-S Safety PLC

• Device Type: Safety Digital I/O Module

• Safety Integrity Level: SIL3 (IEC 61508, IEC 62061), PLe (ISO 13849-1)

• Digital Inputs: 8 Safety Channels (24 V DC)

• Digital Outputs: 8 Safety Channels (Transistor, 24 V DC, 0.5 A)

• Input Features: Test pulse outputs for detection of short circuits and cross-circuits

• Communication: Integrated via PROFINET/PROFIsafe through the AC500 CPU

• Diagnostics: Internal self-test, voltage monitoring, and channel-specific error reporting

• Power Supply: 24 V DC

• Operating Temperature: 0°C to +60°C (standard) / -40°C to +70°C (extreme conditions supported by some versions)

• Storage Temperature: -40°C to +85°C

• Product Net Dimensions: 76 mm × 62 mm × 67.5 mm (W × H × D)

• Net Weight: 0.13 kg

• Ingress Protection: IP20

• Certifications: CE, cUL, UL, TUV (Safety), RoHS