• Siemens 6ES5430-4UA11
  • Siemens 6ES5430-4UA11
  • Siemens 6ES5430-4UA11
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Siemens 6ES5430-4UA11 Simatic S5 Digital Input Module

Siemens 6ES5430-4UA11 Simatic S5 Digital Input Module

Description

The 6ES5 430-4UA11 is a high-density digital input module engineered for the Siemens Simatic S5-135/155 PLC architecture. This module is designed to process 32 floating binary signals, converting external field...

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SKU: 6ES5430-4UA11
Proveedora: Siemens
tipo: Digital Input Module
Related Series:

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Description

The 6ES5 430-4UA11 is a high-density digital input module engineered for the Siemens Simatic S5-135/155 PLC architecture. This module is designed to process 32 floating binary signals, converting external field status data from devices such as limit switches, pushbuttons, and proximity sensors into galvanically isolated internal logic levels. It is built for reliable signal acquisition in demanding industrial environments, including oil refineries, steel manufacturing, and water treatment facilities. By isolating the central processing unit from high-voltage transients, electrical noise, and ground loops, the module helps maintain system determinism and reduces unscheduled downtime.

Features

  • 32 floating digital input channels for high-density signal processing.
  • Galvanic optical isolation between field inputs and the backplane bus to protect sensitive CPU components.
  • Integrated RC filtering to mitigate mechanical contact bounce and electromagnetic interference.
  • Front-panel LED indicators for real-time channel status monitoring and diagnostics.
  • Industrial-grade PCB construction (C79040-A92-C316-05-85) for thermal stability.

Applications

This module is intended for use in Simatic S5-135 and S5-155 PLC systems. It is suitable for monitoring large-scale digital I/O arrays in automated manufacturing, process control, and infrastructure management where electrical isolation and noise immunity are critical.

Technical Specifications

Model 6ES5 430-4UA11
Product Family Simatic S5-135 / S5-155
Input Type 32 Floating Digital Inputs
Nominal Input Voltage 24 VDC (15 to 30 VDC range)
Power Consumption 1.5 W (backplane), 8.5 mA per channel
Isolation Galvanic Optical
Operating Temperature 0 to 60 deg C
Storage Temperature -40 to 70 deg C
PCB Assembly C79040-A92-C316-05-85

Installation Guidelines

  • Ensure the PLC rack power is disconnected before installing or removing the module.
  • Handle the module by the edges to prevent ESD damage to the internal circuitry.
  • Ensure the module is fully seated in the S5 backplane slot and secured with the front-panel locking mechanism.
  • Use shielded cabling for field inputs to minimize EMI pickup, especially in high-noise environments.
  • Verify that input voltage levels remain within the specified 15-30 VDC range to prevent signal errors or hardware damage.
  • Maintain adequate ventilation in the cabinet to ensure the ambient temperature remains within the 0-60 deg C operating range.

FAQ

Is this module compatible with S5-115U systems?

No, this module is specifically designed for the S5-135 and S5-155 PLC architectures. Please verify your system model before installation.

Does this module require external power for the inputs?

Yes, the inputs are floating and require an external 24 VDC supply to provide the signal voltage for the connected field devices.