• Siemens 6ES5431-7LA11
  • Siemens 6ES5431-7LA11
  • Siemens 6ES5431-7LA11
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Siemens 6ES5431-7LA11 Digital Input Module

Siemens 6ES5431-7LA11 Digital Input Module

Description

The Siemens 6ES5431-7LA11 is a digital input module designed for the SIMATIC S5-115 series programmable logic controller (PLC) systems. This module provides 16 isolated digital input channels, specifically engineered to...

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SKU: 6ES5431-7LA11
Vendor: Siemens
Category: Digital Input Module
Related Series:

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Description

The Siemens 6ES5431-7LA11 is a digital input module designed for the SIMATIC S5-115 series programmable logic controller (PLC) systems. This module provides 16 isolated digital input channels, specifically engineered to interface with 24-48V AC signal levels. As a legacy component, it is frequently utilized in established industrial automation environments where reliable signal acquisition from field devices is required.

Features

  • 16 isolated digital input channels
  • Compatible with 24-48V AC input voltage ranges
  • Designed for integration with the SIMATIC S5-115 PLC platform
  • Robust construction suitable for industrial control cabinet environments

Applications

This module is intended for use in industrial control systems requiring the monitoring of AC-based digital signals. Typical applications include status monitoring of limit switches, pushbuttons, and auxiliary contacts in manufacturing, process control, and power distribution systems where the S5-115 architecture is deployed.

Technical Specifications

Model Number 6ES5431-7LA11
Manufacturer Siemens
Module Type Digital Input Module
Number of Inputs 16
Input Voltage 24-48V AC
Isolation Isolated
Tariff Code 8538903000

Installation Guidelines

  • Ensure the PLC rack power is disconnected before installing or removing the module to prevent electrical damage or short circuits.
  • Verify that the input voltage levels match the 24-48V AC specification of the module before wiring.
  • Ensure proper grounding of the S5-115 chassis to maintain signal integrity and safety.
  • Route signal wiring away from high-voltage power cables to minimize electromagnetic interference (EMI).
  • Handle the module using standard ESD (Electrostatic Discharge) precautions to protect sensitive internal circuitry.

FAQ

Is this module still in production?

No, the 6ES5431-7LA11 has been discontinued by the manufacturer. We provide these units as refurbished or surplus stock to support legacy maintenance requirements.

What voltage range does this module support?

This specific model is designed for 24-48V AC input signals.