Siemens 6ES5430-4UA12
Siemens 6ES5430-4UA12
Siemens 6ES5430-4UA12
Siemens 6ES5430-4UA12
Siemens 6ES5430-4UA12
Siemens 6ES5430-4UA12
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6ES5430-4UA12

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The Siemens 6ES5430-4UA12 is a high-density 32-channel digital input module designed for SIMATIC S5 programmable logic controller (PLC) systems and process analytical equipment.
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Technical specifications for 6ES5430-4UA12

  • Manufacturer:
    Siemens
  • Part Number:
    6ES5430-4UA12
  • Product Family:
    Siemens Simatic S5
  • Product Type:
    Digital Input Module
  • Stock:
    1
  • Input Type:
    32 Digital Inputs
  • Rated Nominal Voltage:
    24 V DC
  • Voltage Range for Signal "0":
    -3 V DC to +7 V DC
  • Voltage Range for Signal "1":
    +13 V DC to +33 V DC
  • Input Current for Signal "1":
    7 mA (typical)
  • Electrical Isolation:
    Inputs electrically isolated from rear module power supply; shared reference across front panels
  • Maximum Permissible Cable Length (Unscreened):
    < 600 m
  • Maximum Permissible Cable Length (Screened):
    < 1000 m
  • Slot Requirement:
    Requires 1 slot in the computer chassis / rack
  • Status Indicators:
    Individual green LED lamps for signal status identification per channel
  • Connection Method:
    Front connector with screw terminals
  • Weight:
    0.42 kg
  • Estimated shipping dimensions:
    2 x 19.5 x 25.5 cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Applications Monitoring & Control Compatibility Performance & Efficiency

Features:

  • High-density digital signal processing with 32 input channels operating at 24 V DC nominal voltage.
  • Individual green LED status indicators mounted on the front panel for clear channel diagnostics.
  • Integrated front plug connector and hidden extraction handle to facilitate quick installation and module removal.
The Siemens 6ES5430-4UA12 is a factory-configured digital input module supplied in standard OEM specifications, occupying a single slot within the SIMATIC S5 rack environment.

This unit functions as an essential binary signal interface, capturing real-time field status from contact switches, limit sensors, and process monitors to feed digital data to the central processor.

Always ensure system power is completely disconnected before inserting or removing the module, and verify that the logic addressing and enable input connections are properly wired.

The Siemens 6ES5430-4UA12 availability is subject to current inventory stock, with guaranteed quality testing by the manufacturer (OEM).
Siemens 6ES5430-4UA12 Digital Input Module Manuals, Datasheets & Resource Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Monitoring mechanical switch contact positions and binary limit signals in automation machinery.
  • Scanning pressure switch monitors and gas flow alarms in analytical process chromatographs.
  • Importing discrete operational field feedback into SIMATIC S5 programmable central processing units.
  • Continuous real-time acquisition of 32 parallel binary input states across industrial equipment.
  • Direct visual tracking of individual channel logical activation through front-mounted green LED lights.
  • Gated signal execution requiring an active module enable input signal before data transfer occurs.
  • Fully compatible with standard Siemens SIMATIC S5 expansion racks and central controller chassis.
  • Direct interface capability with dry contact switches, relay contacts, and standard 24 V DC field sensors.
  • Designed to coexist seamlessly with standard SIMATIC S5 analog and digital I/O modules in shared subracks.
  • Optimized low power consumption architecture to minimize heat dissipation within closed control cabinets.
  • High-density 32-channel integration maximizing rack space utilization and reducing system footprint.
  • Rapid signal evaluation capability ensuring real-time process monitoring and stable continuous operation.
Description
Siemens 6ES5430-4UA12 digital input module serves as an essential signal acquisition interface for reading binary state feedback, limit switch positions, and pressure monitor alarms in industrial control environments. Integrated into the standard SIMATIC S5 ecosystem, it converts incoming field contacts into process image data for immediate processing by the host controller.

Engineered for high-density signal integration, the unit incorporates 32 individual 24 V DC input channels into a compact single-slot housing. Clear front-panel green LED status lamps are provided for every input channel, offering instant visual identification of signal logic states to simplify system setup, daily operation, and field troubleshooting.

Designed for demanding industrial automation setups and specialized process instruments such as analytical gas chromatographs, the module connects securely via standard SIMATIC front connectors. It features secure mechanical latching via front retaining screws and an integrated hidden handle to ensure long-term operational reliability and smooth removal during maintenance.
Alternative Names
6ES5 430-4UA12 6ES5-430-4UA12 6ES54304UA12 6ES54304UA13 6es54304ua12 Siemens SIMATIC S5 Siemens 6ES5 430-4UA12 DI Module Siemens SIMATIC S5 32 DI 24VDC Module
Technical notes
Siemens 6ES5430-4UA12 must only be inserted or removed while power to the rack chassis is completely switched off, and proper functional addressing along with the enable input connection is required prior to system operation.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What type of front connector plug is used with the Siemens 6ES5430-4UA12?
It utilizes a multi-pin SIMATIC removable front terminal strip secured via top and bottom locking screws and an integrated extraction handle.
What secondary prerequisites are needed for the Siemens 6ES5430-4UA12 to function properly?
The module requires correct logical addressing within the rack configuration and a correctly connected enable input signal.
Does the Siemens 6ES5430-4UA12 provide electrical isolation?
The module inputs are electrically isolated from the rear internal power supply, but all interconnected modules sharing a front panel or common 24 V supply share a common reference unless isolated externally.
What standard maintenance is required for the Siemens 6ES5430-4UA12?
Periodic maintenance involves inspecting screw terminals on the front plug for tightness, ensuring clean connection contacts, and verifying LED indicator status during operation.
Are replacement or refurbished units available for the legacy Siemens 6ES5430-4UA12?
Yes, as a legacy SIMATIC S5 component, the Siemens 6ES5430-4UA12 is available as surplus new, tested pre-owned, or fully refurbished stock depending on inventory.
How can I request a price quote or check stock availability for the Siemens 6ES5430-4UA12?
You can submit an online inquiry with your required quantity directly through our contact form or sales portal to receive an immediate quotation and stock verification.

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