Name: Siemens 6ES7131-4BD01-0AB0 Digital Input Electronic Module
Brand: Siemens
SKU: 22712
Availability: InStock
Rating: 5.0 (1 reviews)

Introduction

The Siemens 6ES7131-4BD01-0AB0 Digital Input Electronic Module is designed for digital signal acquisition in SIMATIC ET 200S distributed I/O systems. It enables industrial controllers to monitor binary field signals and use them in machine sequencing, equipment monitoring, and production automation.

This high-feature module provides four 24 V DC digital inputs and configurable input delays of 0.1, 0.5, 3, or 15 ms. These settings allow the input response to be adapted to different signal characteristics and control requirements. Individual green channel LEDs and a red group-fault indicator support commissioning and troubleshooting.

The module also supports diagnostic functions for specified sensor supply faults, electronic short-circuit protection for the applicable supply circuit, and isochronous operation in compatible system configurations. Its 15 mm width helps reduce installation space requirements in modular I/O assemblies.

The 6ES7131-4BD01-0AB0 is listed as a spare-part product, and its product lifecycle status should be considered when planning maintenance or long-term equipment support. Before ordering, verify the exact catalog number, terminal module, and system configuration to ensure the replacement meets the application's electrical and functional requirements.

Technical Specifications

Parameter	Specification
Brand	Siemens
Model	6ES7131-4BD01-0AB0
Product Type	Digital Input Electronic Module
Product Family	SIMATIC ET 200S
Module Designation	4DI DC 24V HF
Number of Digital Inputs	4
Rated Input Voltage	24 V DC
Signal 0 Input Voltage	−30 to +5 V
Signal 1 Input Voltage	+11 to +30 V
Typical Input Current at Signal 1	8 mA
Input Characteristic	IEC 61131 Type 1
Configurable Input Delay	0.1 / 0.5 / 3 / 15 ms
Two-Wire Sensor Support	Yes
Maximum Sensor Quiescent Current	1.5 mA
Diagnostic Functions	Yes
Sensor Supply Short-Circuit Diagnostics	Supported for specified fault conditions
Short-Circuit Protection	Electronic protection for the applicable sensor supply circuit
Input Status Indicators	Green LED per channel
Group Fault Indicator	Red SF LED
Channel-to-Channel Isolation	No
Isolation from Backplane Bus	Yes
Typical Power Dissipation	0.7 W
Maximum Shielded Cable Length	1,000 m
Maximum Unshielded Cable Length	600 m
Isochronous Operation	Supported
Module Width	15 mm
Dimensions (W × H × D)	15 × 81 × 52 mm
Dimensions (inches)	0.59 × 3.19 × 2.05 in
Weight (provided specification)	0.177 kg
Weight (provided specification, lb)	0.39 lb
Installation	Compatible SIMATIC ET 200S terminal module required
Product Lifecycle	Discontinued; listed as a spare part

Note: The dimensions and weight above follow the supplied product information. Siemens technical documentation lists the electronic module itself at approximately 35 g, while the catalog lists a net weight of 0.177 kg. Confirm the required component or shipping weight when precise logistics data is needed.

Recommended Related Models

The following Siemens products may be relevant when maintaining or expanding a SIMATIC ET 200S distributed I/O system. Their functions differ, so verify technical specifications and configuration requirements before selecting a replacement or alternative.

Model	Product Type	Typical Function
6ES7131-4BD01-0AB0	Digital Input Module	4-channel, 24 V DC high-feature input
6ES7131-4BD01-0AA0	Digital Input Module	4-channel standard digital input
6ES7131-4BB01-0AB0	Digital Input Module	2-channel, 24 V DC high-feature input
6ES7131-4BB01-0AA0	Digital Input Module	2-channel standard digital input
6ES7132-4BB01-0AB0	Digital Output Module	Digital output control
6ES7193-4CA50-0AA0	Terminal Module	ET 200S module connection and wiring

Popular Related Models

These additional Siemens automation products may be relevant to distributed I/O applications, PLC-controlled equipment, and industrial system maintenance.

Model	Product Category	Application
6ES7131-4BD01-0AB0	Digital Input Module	Four-channel signal acquisition with high-feature functions
6ES7132-4BB01-0AB0	Digital Output Module	Digital actuator control
6ES7134-4JB01-0AB0	Analog Input Module	Analog sensor signal acquisition
6ES7135-4GB01-0AB0	Analog Output Module	Analog control signal output
6ES7138-4CA01-0AA0	Power Module	ET 200S station power management
6ES7193-4CB20-0AA0	Terminal Module	Distributed I/O connection and wiring

Ordering recommendation: Before purchasing the Siemens 6ES7131-4BD01-0AB0, confirm the exact part number, product condition, terminal module compatibility, and required diagnostic features. As this model is discontinued and listed as a spare part, verify availability and suitability for the existing installation.

Applications

The Siemens 6ES7131-4BD01-0AB0 is a SIMATIC ET 200S digital input electronic module designed to acquire binary signals from industrial field devices and transmit them to a PLC through a distributed I/O system. Identified as a 4DI DC 24V HF module, it provides four digital input channels with configurable input delays and diagnostic functions.

Typical applications include:

Machine automation: Monitoring push buttons, limit switches, and proximity sensors.
Production line control: Detecting workpiece positions, equipment states, and machine operating conditions.
Industrial process monitoring: Collecting discrete signals for PLC-based control logic and sequence operations.
Sensor monitoring: Acquiring 24 V DC signals from compatible industrial switching devices.
Distributed I/O expansion: Adding four digital input channels to a compatible SIMATIC ET 200S station.
Fault monitoring: Using supported diagnostic functions to help identify sensor supply short circuits and other configured fault conditions.
System maintenance: Replacing an existing module with the same catalog number after checking terminal and configuration compatibility.

The module is particularly suitable for applications that require configurable input response times, channel status indication, and diagnostic support in a compact distributed automation system.

Advantages

Four digital input channels: Acquires four independent binary signals in one compact module.
24 V DC operation: Supports standard industrial digital input signals.
Configurable input delay: Offers selectable input delays of 0.1, 0.5, 3, or 15 ms.
Diagnostic functionality: Supports diagnostic information and a red group-fault indicator for relevant fault conditions.
Individual channel LEDs: Green status indicators simplify visual inspection of input states.
Short-circuit protection: Includes electronic protection for the specified sensor supply circuit.
Reverse polarity protection: Helps protect the module against incorrect polarity in the applicable supply circuit.
Isochronous operation support: Supports synchronized operation in suitable configured systems.
Compact design: The 15 mm module width helps optimize space in distributed I/O assemblies.
Modular integration: Fits into a compatible SIMATIC ET 200S configuration using the appropriate terminal module.

Technical FAQs

Q1: What is the Siemens 6ES7131-4BD01-0AB0?

It is a four-channel, 24 V DC high-feature digital input module in the Siemens SIMATIC ET 200S distributed I/O product family.

Q2: How many digital input channels does it provide?

The module provides four digital inputs for monitoring binary signals from compatible switches, proximity sensors, and other industrial field devices.

Q3: What is the rated input voltage?

The rated input voltage is 24 V DC. The specified input voltage range for logic 0 is −30 to +5 V, while logic 1 is recognized from +11 to +30 V.

Q4: Can the input delay be configured?

Yes. The input delay can be configured to 0.1, 0.5, 3, or 15 ms for both rising and falling signal transitions.

Q5: Does the module support diagnostic functions?

Yes. It supports diagnostic information and a red SF group-fault LED. Available diagnostic behavior depends on the detected fault and the system configuration.

Q6: Can it detect sensor supply short circuits?

The module supports diagnostics for specified encoder supply short-circuit conditions. The diagnostic configuration and wiring arrangement must meet the applicable system requirements.

Q7: Does the module have individual input status indicators?

Yes. Each digital input has a green LED for visual status monitoring. A red SF LED indicates a group fault when applicable.

Q8: Does it support two-wire sensors?

Yes. Compatible two-wire sensors can be connected when their electrical characteristics meet the module specifications. The maximum permissible sensor quiescent current is 1.5 mA.

Q9: Does the module support synchronized operation?

Yes. The module supports isochronous operation when used in a suitably configured automation system.

Q10: What should be checked before replacing this module?

Verify the complete part number, terminal module type, input wiring, configured input delays, and diagnostic requirements. Confirm that the replacement is suitable for the existing ET 200S station and application.

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