• Siemens 6ES5440-8MA12
  • Siemens 6ES5440-8MA12
  • Siemens 6ES5440-8MA12
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Siemens 6ES5440-8MA12 Simatic S5 Digital Output Module

Siemens 6ES5440-8MA12 Simatic S5 Digital Output Module

Description

The Siemens 6ES5440-8MA12 is a digital output module designed for the Simatic S5-090, S5-095, and S5-100U programmable logic controller (PLC) systems, as well as ET 100U and ET 200U distributed...

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SKU: 6ES5440-8MA12
Vendor: Siemens
Category: Digital Output Module
Related Series:

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Description

The Siemens 6ES5440-8MA12 is a digital output module designed for the Simatic S5-090, S5-095, and S5-100U programmable logic controller (PLC) systems, as well as ET 100U and ET 200U distributed I/O stations. This module provides 4 discrete output channels, facilitating the control of field actuators such as solenoids, contactors, and indicator lamps in industrial automation environments.

Features

  • 4-channel digital output configuration.
  • Rated for 24 VDC operation with 0.5 A current capacity per channel.
  • Non-floating output architecture for direct integration with control logic.
  • Integrated electronic protection against inductive back-EMF spikes.
  • Onboard LED status indicators for real-time channel diagnostics.
  • Compact design for seamless integration into standard S5 bus units.

Applications

This module is engineered for use in legacy S5 automation systems, including applications in petrochemical processing, power generation control, and material handling systems like surface mining conveyors. It serves as a critical interface between the PLC CPU and field-level discrete components.

Technical Specifications

Model 6ES5440-8MA12
Brand Siemens
Series Simatic S5-090/095/100
Module Type Digital Output Module
Output Channels 4
Output Type Non-Floating
Nominal Voltage 24 VDC
Max Current per Channel 0.5 A
Operating Temperature 0 to 60 deg C
Storage Temperature -40 to 70 deg C

Installation Guidelines

  • Ensure the PLC system power is disconnected before installing or removing the module from the bus unit.
  • Verify that the module is correctly seated in the backplane to ensure reliable multi-pin contact.
  • Use appropriate wire gauges for screw-type terminals to ensure secure connections.
  • Maintain proper grounding practices to minimize EMI interference in the control panel.
  • Ensure adequate ventilation within the enclosure to maintain operating temperatures within the 0 to 60 deg C range.
  • Handle with care to prevent electrostatic discharge (ESD) damage to the internal circuitry.

FAQ

Is this module compatible with S5-115U systems?

No, the 6ES5440-8MA12 is specifically designed for the S5-090, S5-095, and S5-100U series, as well as ET 100U/200U stations. It is not intended for use in the S5-115U or higher-tier S5 racks.

Are the outputs isolated?

No, this module features a non-floating output design, meaning the output channels share a common ground potential with the internal control circuit.