Siemens 6ES7131-4BF00-0AA0 | ET 200S I/O Digital Module 8-Ch

Product Description

The Siemens 6ES7131-4BF00-0AA0 is a digital input module within the SIMATIC ET 200S distributed I/O system. It offers 8 digital inputs at 24 V DC with extended IEC 61131‑2 type 3 characteristics, enabling connection of various binary sensors such as pushbuttons, limit switches, and proximity devices.

Compactly designed at 15 mm width, this module saves valuable control cabinet space while ensuring robust signal acquisition and channel isolation. Each input channel features LED indicators and built-in diagnostics, allowing fast troubleshooting and reliable monitoring in industrial automation environments. Moreover, the module integrates seamlessly with SIMATIC S7 controllers via PROFIBUS or PROFINET, supporting flexible modular expansion within ET 200S systems.

Technical Specifications

• Product Type: Digital Input Module

• Model Number: 6ES7131-4BF00-0AA0

• Manufacturer: Siemens

• Series: SIMATIC ET 200S

• Channels: 8 digital inputs

• Input Voltage: 24 V DC

• Input Characteristics: IEC 61131‑2 type 3 (extended)

• Signal “0”: –30 … +5 V

• Signal “1”: +11 … +30 V

• Input Current per Channel: ~2 mA typical

• Isolation: Yes, between channels and backplane bus

• Diagnostics: Group error detection (short circuit, wire break)

• LED Indicators: Status LED for each channel

• Connection Method: Front connector (3-wire sensors)

• Backplane Bus Current: Max. 10 mA

• Encoder Supply Output: 24 V DC, max. 500 mA

• Power Loss: 0.7 W typical

• Address Space per Module: 1 byte (8 bits used)

• Dimensions (H × W × D): 81 × 15 × 52 mm

• Weight: 70 g

• Operating Temperature: 0 … +55 °C

• Storage Temperature: –40 … +70 °C

• Relative Humidity: 5 … 95 % non-condensing

• Mounting: DIN rail, part of ET 200S modular system

• Compliance: IEC/EN standards, CE approvals

• Lifecycle: Active product in ET 200S portfolio

FAQ

Q: How many digital inputs does the module provide?
A: It provides 8 digital input channels for 24 V DC signals.

Q: What is the width of this module for DIN rail mounting?
A: The module is 15 mm wide, suitable for compact control cabinet installations.

Q: Does it include diagnostics?
A: Yes, it supports group error detection for short circuits and wire breaks.

Q: Which systems can this module integrate with?
A: It integrates with SIMATIC ET 200S and S7 controllers via PROFIBUS or PROFINET.

Q: What type of sensors are supported?
A: It supports binary sensors such as pushbuttons, limit switches, and proximity devices.