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SIEMENS 6ES7131-4BD01-0AA0 Digital Input Module

Product Description

The SIEMENS 6ES7131-4BD01-0AA0 is a 4-channel digital input (DI) module designed for SIMATIC ET 200S distributed I/O systems. It provides 24V DC isolated inputs with fast signal processing, making it ideal for connecting switches, proximity sensors (BEROs), and other digital field devices in industrial automation applications. This module is part of the ET 200S series, known for its compact design (15mm width) and modular expandability .

Key Features & Advantages

High-Speed Signal Processing
- Input delay: 1.2–4.8ms for stable signal acquisition .
- LED status indicators per channel for real-time diagnostics .
Robust Industrial Design
- 500V DC isolation between channels and backplane bus .
- Wide voltage range: 15–30V DC for "1" signal, -30 to +5V for "0" signal .
- IP20 protection against dust and accidental contact.
Easy Integration
- DIN rail mounting (15mm width) for space-efficient installation .
- Compatible with PROFIBUS DP and PROFINET via ET 200S interface modules .
Low Power Consumption
- 10 mA current draw from the backplane bus .
- 0.7 W typical power loss .

Technical Specifications

Parameter	Specification
Input Channels	4 (24V DC)
Input Current	7 mA (typical for "1")
Isolation Voltage	500V DC (channel-to-backplane)
Operating Temp.	-25°C to +60°C
Dimensions (W×H×D)	15 × 81 × 52 mm
Weight	0.174 kg
Certifications	CE, UL, RoHS