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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power supports 6ES5434-4UA11 identification, documentation review and quotation.

        6ES5434-4UA11

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Siemens 6ES5434-4UA11 is a SIMATIC S5 thirty-two-channel input module for TTL, CMOS and NAMUR-compatible field signals. It supports separate 5–15 V and 12–24 V DC input supplies in a compact 20 mm format.
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        Ships by Wednesday, October 28
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Technical specifications for 6ES5434-4UA11

        • Manufacturer:
          Siemens
        • Part Number:
          6ES5434-4UA11
        • Product Family:
          Siemens Simatic S5
        • Product Type:
          Universal Digital Input Module
        • Stock:
          1
        • Input channels:
          32
        • Supported signal types:
          TTL, CMOS and NAMUR
        • LH+ supply range:
          5 to 15 V DC
        • L+ supply range:
          12 to 24 V DC
        • Maximum input frequency:
          100 Hz
        • Typical input delay:
          3 ms
        • TTL/CMOS cable length:
          200 m maximum
        • NAMUR cable length:
          600 m maximum
        • Backplane supply:
          5 V DC
        • Backplane current:
          80 mA
        • L+ current consumption:
          100 mA
        • LH+ current consumption:
          150 mA
        • Enable input:
          Provided
        • Input behaviour:
          Floating groups according to wiring
        • Weight:
          0.992 lbs (0.45 kg)
        • Estimated shipping dimensions:
          20 x 255 x 195 mm
        • Tariff Code:
          Please confirm the destination before shipping.
        • 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 Compatibility & Interoperability Monitoring & Control Standards

        Features:

        • Reads thirty-two low-voltage TTL, CMOS or NAMUR-compatible input signals.
        • Supports 100 Hz field-state acquisition with an approximately three-millisecond delay.
        • Uses separate auxiliary supply ranges to match the connected sensor technology.
        The universal S5 434 execution serves logic-level and NAMUR interfaces in one dense input card.

        It brings proximity sensors and electronic device states into the legacy controller process image.

        Selection of sensor family, supply terminal and threshold is more important than a simple channel-count match.

        Apter Power can review sourcing, documentation and system matching for 6ES5434-4UA11.
        Verified resources for Siemens 6ES5434-4UA11: 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.
        • Packaging machines connect NAMUR proximity sensors in areas where low-energy input interfaces are required.
        • Electronic assemblies use TTL or CMOS status lines to communicate fixture and test-state information to the S5 CPU.
        • Retrofit panels retain mixed low-voltage sensor populations without adding separate signal converters for every channel.
        • TTL, CMOS and NAMUR signal families are supported when wired to their documented supply arrangement.
        • Sensor leakage and switching thresholds must fit the chosen interface rather than only the nominal voltage.
        • The module belongs in the compatible SIMATIC S5 rack and hardware configuration.
        • The enable circuit can inhibit or release input processing within the configured installation.
        • A typical three-millisecond delay filters brief transitions before they enter the process image.
        • Up to 100 Hz input activity can be evaluated for normal machine-status monitoring.
        • Electrical safety and isolation tests are specified in the Siemens module documentation.
        • Installation must follow the S5 wiring, grounding and enclosure rules for the selected sensor supply.
        • Cable type and length remain part of compliance with the documented noise-immunity conditions.
        Description
        6ES5434-4UA11 accepts multiple low-voltage sensor interface types across thirty-two channels. Its input circuitry is designed for logic-level devices and NAMUR-style sensors rather than conventional 120 V field contacts.

        A typical three-millisecond response supports routine machine detection at rates up to 100 Hz. The module's enable function and supply monitoring allow the rack application to supervise the interface state.

        The correct LH+ or L+ supply must be assigned to the selected sensor type, and thresholds are not interchangeable between TTL, CMOS and NAMUR wiring. Front-connector bridges and common references must be documented before removal.
        Alternative Names
        6ES5434-4UA11 Siemens 6ES5434-4UA11 6ES5 434-4UA11 6ES54344UA11 SIMATIC S5 434 S5 Universal Input Module Siemens TTL CMOS NAMUR Input 6ES5434-4UA11 DI32
        Technical notes
        Match each sensor group to the correct LH+ or L+ supply on 6ES5434-4UA11; applying the wrong interface voltage can damage field devices.
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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.
        VIEW ALL FAQS
        Which sensor interfaces can Siemens 6ES5434-4UA11 read?
        It supports TTL, CMOS and NAMUR-compatible input circuits when their wiring and supply are configured correctly.
        Why are two field-supply ranges listed for Siemens 6ES5434-4UA11?
        The LH+ and L+ rails serve different low-voltage sensor interface requirements.
        What response rate is expected from Siemens 6ES5434-4UA11?
        The card is specified for input activity up to 100 Hz with a typical three-millisecond delay.
        How do cable limits differ on Siemens 6ES5434-4UA11?
        TTL or CMOS routes are limited to 200 m, while documented NAMUR routes can extend to 600 m.
        Which checks prevent a wrong Siemens 6ES5434-4UA11 replacement?
        Identify every sensor type, supply rail, common, threshold requirement, cable and channel terminal.
        What should be included in a Siemens 6ES5434-4UA11 sourcing enquiry?
        State the exact order number, sensor-interface mix, quantity and destination.

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