AI581-S ABB Safety analog input module

Description

AI581-S ABB Safety analog input module

Product Dimensions：

Product Overview

The AI581-S is a compact I/O expansion module that plugs into an I/O Terminal Unit within the AC500-S safety PLC system. It features multiple analog inputs that can be used to monitor safety-critical parameters, such as pressure, temperature, or flow, from sensors that provide a 4-20 mA current signal. Its “Safety” designation means it incorporates specific hardware and software features to meet high safety integrity levels (SIL), making it suitable for applications where failures could lead to significant risks.

Product Parameters

• Manufacturer: ABB
• Part Number (P/N): AI581-S (also 1SAP282000R0001)
• Product Type: Safety Analog Input Module
• Series: AC500-S Safety PLC system
• Number of Analog Inputs: 4 channels (4SAI)
• Input Signal Type: 4-20 mA (current input)
• Resolution: 14-bit
• Safety Integrity Level (SIL): Up to SIL 3 (IEC 61508 / IEC 62061) / PL e (EN ISO 13849-1)
• Supply Voltage: 24 VDC
• Dimensions (Approximate):
  • Height: 76 mm (2.99 inches)
  • Width: 67.5 mm (2.65 inches)
  • Depth: 54 mm (2.12 inches)
• Weight: Approximately 0.126 kg (126 g)
• Mounting: Plugs into an I/O Terminal Unit (e.g., TU582-S)
• Operating Temperature: Typically 0 °C to +60 °C (some sources indicate -40 °C to +70 °C, always refer to the specific AC500-S system manual for the exact permissible range).
• Protection Class: IP20
• Certifications: CE, cUL (and other relevant safety standards)

Product Advantages

• High Safety Integrity: Designed and certified for use in safety-critical applications, meeting stringent standards such as SIL3 and PL e, ensuring a very low probability of dangerous failures.
• Reliable Analog Signal Acquisition: Provides accurate and reliable measurement of analog process values from safety-rated sensors.
• Robust Diagnostic Functions: Includes self-test and diagnostic features to detect internal faults or anomalies in the input signals, enhancing overall system safety and reliability.
• Seamless Integration: Part of the AC500-S safety PLC platform, ensuring easy integration, configuration, and programming within the ABB environment.
• Hot Swappable: Can be replaced without disturbing the existing wiring on the terminal unit, minimizing downtime during maintenance.
• Compact Design: Its small form factor allows for efficient use of space in control cabinets.
• Wide Temperature Range: Capable of operating in various industrial environments.

Precautions

• Installation by Qualified Personnel: Installation, wiring, and configuration of safety-related modules must only be performed by trained and certified personnel who are fully familiar with functional safety standards (e.g., IEC 61508, ISO 13849) and local electrical codes.
• De-energize Before Work: Always ensure that the power to the PLC system and associated circuits is completely disconnected and locked out before installing, removing, or wiring the AI581-S module.
• Electrostatic Discharge (ESD) Protection: This is a sensitive electronic component. Always handle it with appropriate ESD precautions (e.g., anti-static wrist strap, ESD-safe workstation) to prevent damage.
• Correct Wiring: Adhere strictly to the wiring diagrams and instructions provided in the ABB AC500-S system manual and the AI581-S specific documentation. Incorrect wiring can compromise safety functionality.
• System Compatibility: Ensure the AI581-S module is compatible with your specific AC500-S CPU and terminal unit. Refer to the official ABB documentation for compatibility matrices.
• Configuration and Programming: Proper configuration and programming of the safety PLC logic are critical for the correct functioning of the safety system. This should only be done by certified safety engineers.
• Functional Testing: After installation or replacement, comprehensive functional testing of the safety loop involving the AI581-S must be performed to verify its correct and safe operation.
• Environmental Conditions: Ensure the module operates within its specified temperature, humidity, and vibration limits to maintain its safety integrity and operational lifespan.
• Cooling: Ensure natural convection cooling is not hindered by cables or other components in the switchgear cabinet.

Product Applications

The ABB AI581-S safety analog input module is used in a wide range of industrial applications requiring safety-related monitoring of analog process variables within an ABB AC500-S safety PLC system. Key applications include:

• Machine Safety: Monitoring safety-critical parameters (e.g., hydraulic pressure, temperature in an oven, filling levels) in machinery where deviations could lead to hazardous situations.
• Process Industry: Implementing safety instrumented functions (SIF) in chemical plants, oil & gas facilities, or power generation to monitor process variables and trigger safety actions.
• Emergency Shutdown (ESD) Systems: As part of an ESD system, monitoring critical analog inputs that could indicate an impending emergency, leading to a safe shutdown.
• Burner Management Systems (BMS): Monitoring flame intensity, fuel pressure, or other analog parameters for safe burner operation.
• Robotics: Monitoring parameters of robot cells to ensure safe interaction between humans and robots.
• Water and Wastewater Treatment: Monitoring critical levels, pressures, or flows in safety-related aspects of plant operation.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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