• Siemens 6ES5420-8MA11
  • Siemens 6ES5420-8MA11
  • Siemens 6ES5420-8MA11
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Siemens 6ES5420-8MA11 Simatic S5 Digital Input Module

Siemens 6ES5420-8MA11 Simatic S5 Digital Input Module

Description

The Siemens 6ES5420-8MA11 is a dedicated digital input module designed for the Simatic S5-090, S5-095, and S5-100 programmable controller systems. This module provides four isolated digital input channels, facilitating the...

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Availability: In stock

SKU: 6ES5420-8MA11
Vendor: Siemens
Category: Digital Input Module
Related Series:

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Description

The Siemens 6ES5420-8MA11 is a dedicated digital input module designed for the Simatic S5-090, S5-095, and S5-100 programmable controller systems. This module provides four isolated digital input channels, facilitating the reliable acquisition of 24 VDC signals from field devices. It serves as a robust interface component in industrial automation, ensuring high-speed signal processing and consistent performance in demanding control environments.

Features

  • Four independent digital input channels for 24 VDC signal monitoring.
  • Engineered for seamless compatibility with S5-090, S5-095, and S5-100 series controllers.
  • Galvanic isolation between field-side signals and the internal backplane to protect sensitive CPU components.
  • Integrated passive filtering to suppress signal bounce and electromagnetic interference.
  • Compact, rail-mountable design suitable for standard industrial control cabinet configurations.

Applications

This module is widely utilized in factory automation, water treatment facilities, and material handling systems where reliable, real-time digital signal acquisition is required for control logic execution.

Technical Specifications

Model 6ES5420-8MA11
Product Family Simatic S5
Input Channels 4
Signal Voltage 24 VDC
Power Consumption < 5 W
Operating Temperature 0 to 60 deg C
Protection Class IP20

Installation Guidelines

  • Ensure the controller rack is powered down before inserting or removing the module to prevent electrical damage.
  • Mount the module securely on a standard DIN-rail within an IP20 or higher rated enclosure.
  • Use shielded cabling for field inputs to minimize the risk of electromagnetic interference (EMI) in high-noise environments.
  • Verify that the 24 VDC power supply is stable and within the specified operating range before commissioning.
  • Ensure proper grounding of the control cabinet to maintain signal integrity and safety standards.

FAQ

Is this module compatible with S5-115U systems?

No, the 6ES5420-8MA11 is specifically designed for the S5-090, S5-095, and S5-100 controller families. Please verify your CPU model before installation.

What is the primary function of the galvanic isolation?

The galvanic isolation provides an electrical barrier between the field-side input signals and the controller backplane, protecting the CPU from voltage spikes or ground loops originating from field devices.