SIMATIC ET 200S | Siemens | 6ES7 131-4BF00-0AA0 6ES7131-4BF00-0AA0 Electronics Module for ET200S

Product Description: Siemens 6ES7131-4BF00-0AA0

The Siemens 6ES7131-4BF00-0AA0 is a digital input module from the SIMATIC ET 200S series, offering 4 high-feature digital inputs for 24 V DC signals. Designed for use in distributed I/O applications, this module provides advanced diagnostic and parameterization options, making it suitable for sophisticated automation environments. The high-feature (HF) classification ensures support for extended diagnostics, rapid signal acquisition, and flexible wiring configurations.

Key Features

• 4 digital inputs for 24 V DC signals
• High Feature (HF) version for enhanced diagnostics and performance
• Channel-level diagnostics (short circuit, wire break, etc.)
• Configurable input delay filters
• LED status indicators for each input
• Hot-swappable when used with active bus modules
• Requires separate terminal module for connection (e.g., TM-E)

Technical Specifications

• Part Number: 6ES7131-4BF00-0AA0
• Number of Inputs: 4
• Input Voltage: 24 V DC (rated)
• Input Type: PNP (source)
• Input Current: Approx. 4 mA per channel
• Signal Delay: Configurable (0.05 to 20 ms)
• Diagnostics: Yes (channel-level diagnostics)
• Galvanic Isolation: Yes, between channels and backplane
• Mounting Method: Plug-in module on ET 200S base and terminal
• Module Width: 15 mm
• Protection Class: IP20
• Operating Temperature: 0 °C to +60 °C
• Storage Temperature: –40 °C to +70 °C
• Weight: Approx. 50 g
• Certifications: CE, cULus, EAC

Application Areas

• Distributed I/O stations in process and factory automation
• Decentralized systems using PROFIBUS or PROFINET
• Monitoring of binary signals from switches, sensors, or actuators
• Machine and plant control requiring channel- level diagnostics
• Modular automation systems using the ET 200S platform

Advantages

• Enhanced diagnostic functions support predictive maintenance
• Flexible input delay configuration for different signal types
• Compact size enables high-density I/O configurations
• Seamless integration with TIA Portal and Siemens controllers
• Hot-swappable for reduced system downtime during maintenance