Industrial Communication | Siemens | 6ES7 131-4BD01-0AA0 6ES7131-4BD01-0AA0 SIMATIC DP Modules for ET200S

Product Description: Siemens 6ES7131-4BD01-0AA0

The Siemens 6ES7131-4BD01-0AA0 is a digital input module from the SIMATIC ET 200S series, designed to acquire binary signals from field devices such as sensors and switches in distributed automation systems. It provides 8 input channels operating at 24 V DC and is built for use in modular, decentralized control architectures. With its compact design and integration into the ET 200S system, it supports fast and efficient signal processing across various industrial applications.

Key Features

• 8 digital input channels for 24 V DC signals
• Compact design optimized for ET 200S distributed I/O systems
• Standard (ST) functionality for general-purpose applications
• Supports direct mounting on ET 200S interface modules
• Integrated channel diagnostics and status LEDs
• Hot-swappable during operation with proper interface configuration
• Simple wiring and configuration using standard terminal modules

Technical Specifications

• Part Number: 6ES7131-4BD01-0AA0
• Number of Inputs: 8
• Input Voltage: 24 V DC (rated)
• Input Current per Channel: Approx. 4 mA
• Signal Delay: Typically ≤ 1 ms
• Isolation: No channel-to-channel isolation; isolated from backplane
• Mounting: Plug-in on ET 200S terminal modules
• Module Width: 15 mm
• Protection Class: IP20
• Operating Temperature: 0 °C to +60 °C
• Storage Temperature: –40 °C to +70 °C
• Relative Humidity: 5% to 95% (non-condensing)
• Weight: Approx. 40 g
• Required Terminal Module: TM-E, TM-P, or TM-D (sold separately)

Application Areas

• Distributed I/O in industrial automation systems
• Sensor signal acquisition in factory and process control
• Decentralized systems requiring compact, modular expansion
• Machine and plant automation using PROFIBUS or PROFINET via ET 200S interface modules
• Applications where fast digital input processing is needed in space- constrained environments

Advantages

• Easy integration into ET 200S modular systems
• Reduces wiring effort and simplifies maintenance
• Scalable solution for growing automation needs
• Supports flexible configuration for various digital signal sources
• Cost-effective input expansion for distributed control setups