The ABB 1SAP282000R0001 AI581-S is a high-integrity safety analog input module designed for the AC500-S safety PLC system. This module provides precise monitoring of analog signals in safety-critical applications, ensuring SIL3 (IEC 61508) and PLe (ISO 13849-1) compliance for industrial automation environments.

Product Parameters

• Model: AI581-S
• Part Number: 1SAP282000R0001
• Input Channels: 4 safety analog inputs
• Signal Range: 0…20 mA / 4…20 mA
• Resolution: 14 bits plus sign

 

Product Specifications

• Safety Integrity Level: SIL3 / PLe certified
• Power Supply: 24V DC via the terminal base
• Diagnostics: Channel-specific LEDs and software-level reporting
• Isolation: Galvanic isolation between sensors and the internal bus

 

Application Fields

• Machine Safety: Monitoring pressure, temperature, or flow in hazardous zones.
• Process Automation: Safety-related analog signal processing in chemical or oil plants.
• Crane Control: Overload protection and position monitoring in lifting equipment.

 

Product Q&A

• Q: Can the AI581-S be used with standard non-safety AC500 CPUs?
  • A: It requires a functional AC500-S Safety CPU to process the safety-related signals, though it can reside on the same I/O bus as standard modules.
• Q: Does this module support 0…10V voltage inputs?
  • A: No, the 1SAP282000R0001 is specifically designed for current loops (0/4…20 mA).
• Q: How is the safety address set for this module?
  • A: The safety address is configured via the onboard rotary switches located on the side of the module housing.