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Siemens 6ES7521-1BL10-0AA0
Siemens 6ES7521-1BL10-0AA0
Siemens 6ES7521-1BL10-0AA0
Siemens 6ES7521-1BL10-0AA0
Siemens 6ES7521-1BL10-0AA0
Siemens 6ES7521-1BL10-0AA0
· Product image is representative; revision or series may vary. Contact us to request a specific version.
Ships by Wednesday, November 4

6ES7521-1BL10-0AA0

DI 32x24VDC BA Input Module

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Payment is by bank wire only in RMB/CNY, GBP, EUR or USD. Amikon does not accept credit cards or provide credit terms. Cleared payment is required before shipment unless the written quotation expressly states otherwise.
Product Condition
Factory New These are new and current items that are procured directly from the manufacturer.
New In Sealed Package Parts are new. They have not been used and still have their original package seal intact.
New in Original Package These parts are new. The packages were not originally sealed by their original manufacturer.
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  • 20+

    years in automation
  • ISO 9001

    certified quality system
  • 12 months

    amikon warranty
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    solutions in action
PRODUCT DESCRIPTION

Thirty-two basic input channels in a compact twenty-five-millimeter format

Siemens 6ES7521-1BL10-0AA0 is the DI 32x 24VDC BA module for S7-1500 and ET 200MP. Thirty-two sinking inputs occupy a 25 mm housing, with channels organized in groups of sixteen and a fixed response rather than selectable HF filtering.

STEP 7 can represent the module as one thirty-two-channel unit, four eight-channel submodules or a documented shared-input configuration. These choices affect the process image and controller allocation. The module does not supply hardware interrupts or channel diagnostic functions.
ACTUAL APPLICATIONS

Industrial Production and Service Sectors

These industry examples describe Siemens' broader market coverage, not verified installations of this exact product. Product suitability depends on the documented configuration and engineering requirements.
  • 01 · TEXTILE MANUFACTURING

    Manufactured Fibers and Textile Finishing

    Manufactured fiber production for the wider textile manufacturing sector.Textile finishing for materials within the commercial fabric industry.
  • 02 · PLASTICS PROCESSING

    Molded Plastic Products

    Injection molding for plastic product manufacturing across industrial markets.Blow molding within the wider plastic product manufacturing industry.
  • 03 · FOOD & BEVERAGE

    Beer and Soft Drink Production

    Beer production within the brewing sector of beverage manufacturing.Soft drink manufacturing for the wider commercial beverage industry.

Technical specifications for 6ES7521-1BL10-0AA0

  • Product Model
    6ES7521-1BL10-0AA0
  • Product Parameters
    DI 32x24VDC BA Input Module
  • Manufacturer
    Siemens
  • Digital input count
    32
  • Input voltage
    24 V DC nominal
  • Permitted supply range
    20.4–28.8 V DC
  • Input characteristic
    Sinking; IEC 61131 Type 3
  • Channel grouping
    Groups of 16; no individual channel isolation
  • Input response
    Fixed 3–4 ms for both signal transitions
  • Input logic levels
    Logic 0: -30 to +5 V; logic 1: +11 to +30 V. Negative-voltage limit: -3 V continuously, -30 V only briefly for reverse-polarity protection.
  • Input current at logic 1
    2.7 mA typical
  • Two-wire sensor quiescent current
    1.5 mA maximum
  • Maximum cable length
    1000 m shielded; 600 m unshielded
  • Backplane power consumption
    1.05 W
  • Typical power loss
    3 W
  • Hardware and diagnostic interrupts
    Not provided
  • Input configuration formats
    1×32 channels; 4×8-channel split or MSI under documented PROFINET requirements
  • Connection format
    40-pin push-in front connector in manufacturer's stated delivery scope
View all additional
SYSTEM & REPLACEMENT CHECK

Information needed before ordering

Three direct checks to secure your system integration and minimize ordering risks.

Information

System integration Replacement check Manuals & support
COMPACT THIRTY-TWO-CHANNEL INPUTS

Allocate the full input map without adding unsupported HF functions

The module combines thirty-two digital inputs with a 25 mm body, making the address arrangement as important as its physical width. In ordinary operation the signals occupy four input bytes. The wiring drawing separates the two sets of sixteen inputs, so both channel groups need matching field connections.
Input response is fixed in the documented three-to-four millisecond range rather than selected per channel. The basic module does not generate hardware or diagnostic interrupts and does not provide wire-break monitoring. Application requirements for those functions therefore need checking before this card is considered a suitable substitute.
For supported PROFINET arrangements, STEP 7 offers four eight-channel submodules or MSI copies of the input values. These configurations have different address layouts and controller-allocation rules. The interface module determines the available sharing arrangement, so preserve the project configuration when integrating or servicing the module.

Features:

  • Thirty-two-channel compact format
  • Fixed basic input behavior
  • Four-submodule or MSI configuration
The Siemens 6ES7521-1BL10-0AA0 requires the documented hardware configuration, installation conditions and interface arrangement to be verified before system integration and commissioning.
INTERCHANGEABILITY

Verify the complete replacement identity before commissioning

Identify the complete BL10-0AA0 code before comparing spare modules. The original manual places this part in S7-1500 and ET 200MP, not S7-300. Confirm the installed system and module position from the project rather than allowing an incorrect catalog category to determine the replacement selection.
Retain the original four-byte input map or the documented split and MSI arrangement used by the project. Compare controller ownership and interface-module capabilities where input values are shared. The same total number of channels does not guarantee the same submodule configuration or process-image address layout.
Check both input-group connections, sensor current requirements and the 40-pin push-in connector against the manufacturer information. The housing is 25 mm wide, but the full connector and cable arrangement still need inspection. Do not promise counter functions, adjustable filtering or channel diagnostics that the basic module does not provide.

Features:

  • Correct S7-1500 platform identity
  • Split and MSI address preservation
  • Basic function and connector checks
The Siemens 6ES7521-1BL10-0AA0 requires replacement verification based on its complete order number, installed hardware, signal configuration and project documentation.
DOCUMENTATION STATUS

Browse the Manuals, Datasheets, Official Documents, Links

Important Notice: Official documents are provided through manufacturer links. Accessories, manuals, cables, calibration data, software, certificates, and other items are not included with this equipment unless listed in the stock item description.

Features:

  • Exact-model manufacturer data and relevant original manual pages
  • Verified manufacturer product reference; separate installation document not supplied
  • Accessories and supplied documentation follow the written quotation
Documentation for the Siemens 6ES7521-1BL10-0AA0 includes an independent technical summary and selected original manufacturer pages; check the applicable document edition against the delivered product and approved installation documentation.

Important notice

Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION

Commercial terms without hidden steps

Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
  • 01

    Shipping & delivery

    Dispatch
    Eligible stock: same / next day
    Carriers
    DHL, FedEx or UPS
    Ship from
    Xiamen, China
    Packed size
    Confirm final packed dimensions
    Shipping weight
    Confirm final packed weight
  • 02

    Payment & customs

    Payment
    Bank transfer (T/T)
    Currencies
    USD · EUR · GBP · RMB
    Credit cards
    Not accepted
    HS reference
    8538900000
    Origin
    Confirm supplied-unit origin
  • 03

    Warranty & returns

    Warranty
    12 months from AMIKON
    Inspection
    Label, condition and packing checks
    Returns
    Prior RMA authorisation required
    Compatibility
    Confirm before order
    OEM warranty
    Does not apply
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
  • Part checked

    Full suffix recorded
  • Condition checked

    Label and appearance
  • Packing checked

    Antistatic protection
  • Tracking supplied

    Established couriers
  • Sandy Lin

    Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS

Questions buyers ask about 6ES7521-1BL10-0AA0

Direct answers about identity, compatibility, stock, warranty, payment and shipping.
  • Which automation platforms support this module?

    The manufacturer identifies S7-1500 and ET 200MP applicability. Check the installed backplane, interface and STEP 7 project for the full BL10-0AA0 article; an S7-300 catalog label does not establish compatibility.
  • What is the normal process-image allocation?

    The ordinary configuration has thirty-two digital inputs across four input bytes. The start address is assigned in the project; split and MSI configurations use different allocations.
  • How many submodules are available in the split configuration?

    The manual documents four eight-channel submodules. They can be assigned within a supported Shared Device arrangement, subject to the interface-module and engineering requirements.
  • Can every controller use MSI without an interface check?

    No. The number of usable submodules and controllers depends on the interface module. MSI copies the input values; it is not permission to assume unlimited independent controllers.
  • Can its input filter be adjusted to match an HF module?

    No. The input delay is non-configurable, with a three-to-four millisecond range for both transitions. Selectable HF filtering must not be advertised for this BA order number.
  • Are wire-break and short-circuit diagnostics available?

    The technical table lists neither function and no diagnostic or hardware interrupts. The visible channel and module LEDs do not add those functions.
  • Does the compact width change the channel count?

    No. This module has thirty-two inputs within a 25 mm housing. Its physical width should not be used to identify a similar-looking sixteen-channel basic module.
  • What should be confirmed about the supplied connector?

    The manufacturer lists a 40-pin push-in front connector in its delivery scope. Check that the specific spare-part offer includes the connector and any required accessories.
READY TO VERIFY YOUR PART?

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