About Us Contact Us
 
  • Please try to be as accurate as possible with your search.
  • We can quote you on 1000s of specialist parts, even if they are not listed on our website.
  • We can't find any results for “”.
    SEE MORE
      SEE PRODUCTS IN SEARCH PAGE ()
      +86 18030235313 sales13@apterpower.com Fast Quote
      About Us Contact Us +86 18030235313 sales13@apterpower.com Fast Quote
      Get Parts Quote
      Name
      Company *
      Phone *
      Email *
      Address
      City
      State / Province / Region
      Zipcode
      Country
      Quantity *
      Part Number *
      Manufacturer
      Preferred Condition
      Additional Information
      Cancel

      6ES7221-1BF32-0XB0

      SIMATIC S7-1200 SM 1221 8-Channel Digital Input Module

      Product Describe：

      Siemens 6ES7221-1BF32-0XB0 adds discrete inputs for machine interlocks, limit switches, pushbuttons, proximity sensors, and equipment-status contacts.

      Ask our team:

      Get a quick price for： 6ES7221-1BF32-0XB0
      Quantity*
      Upload (gif, jpg, jpeg, png, bmp, doc, docx, xls, xlsx, ppt, pdf, csv)
      Get a Quote
      For more information on how your data is processed and stored by Apterpower please read our privacy policy.
      Technical specifications Information Alternative names Technical notes FAQ

      Technical specifications for 6ES7221-1BF32-0XB0

      Technical specifications for 6ES7221-1BF32-0XB0

      • Manufacturer:
        Siemens
      • Product Category:
        PLC Systems
      • Spare Part Number:
        6ES7221-1BF32-0XB0
      • Estimated shipping dimensions:
        4.4x7.4x9.9cm
      • Weight:
        0.331 lbs (0.14 kg)
      • Tariff Code:
        8537101101
      • Counliy of origin:
        Germany
      • Module:
        SM 1221
      • Digital inputs:
        8
      • Input voltage:
        24 V DC
      • Wiring behavior:
        Sink/source
      • Input grouping:
        Groups of 2
      • IEC input type:
        IEC 61131 Type 1
      • Dimensions:
        45 × 100 × 75 mm (W × H × D) — Siemens official product data.
      • Net weight:
        Approx. 0.17 kg
      • Protection:
        IP20
      • Weight:
        0.15 kg (0.331 lb) net weight — Siemens SiePortal for complete catalog number 6ES7221-1BF32-0XB0.
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      The Siemens 6ES7221-1BF32-0XB0 is an S7-1200 SM 1221 digital input module with eight 24 V DC channels. It reads sink or source field contacts and sensors and transfers their on/off states to the S7-1200 user program.
      • SM 1221
      • 8
      • 24 V DC
      • Sink/source

      The compact module adds discrete inputs for machine interlocks, limit switches, pushbuttons, proximity sensors, and equipment-status contacts.

      Important Notice: Use the complete 6ES7221-1BF32-0XB0 code and verify the physical nameplate and current Siemens documentation before installation or replacement.

      Apter Power 6ES7221-1BF32-0XB0 Manuals and Guides

      Important Notice: These are two separate Apter Power documents prepared from the manufacturer-published Siemens information named in each document. Confirm the physical nameplate, current Siemens documents, and host-system requirements before installation or replacement.

      Machine interlocks
      Read guards, limits, and permissive contacts.
      Sensor expansion
      Add eight digital proximity or photoelectric signals.
      Equipment status
      Collect relay contacts and operating feedback.
      Read and follow the exact Siemens documentation and host-equipment instructions before use. Verify 6ES7221-1BF32-0XB0 from the physical nameplate.
      1
      Verify sink/source wiring and common references
      2
      Observe the 24 V DC permissible range
      3
      Update and back up the TIA Portal project
      4
      Use the correct front connector
      5
      Test input LEDs and PLC tags channel by channel

      Alternative Names

      Alternative Names

      6ES7221-1BF32-0XB0 6ES7221 1BF32 0XB0 Siemens 6ES7221-1BF32-0XB0

      Technical notes

      Technical notes

      Use the complete 6ES7221-1BF32-0XB0 identifier. Siemens lists the module as active at the time of review and publishes a planned phase-out date of 1 November 2026; reconfirm before ordering. Values not published in the cited Siemens source are intentionally not inferred.

      FAQS

      • What is Siemens 6ES7221-1BF32-0XB0?
        The Siemens 6ES7221-1BF32-0XB0 is an S7-1200 SM 1221 digital input module with eight 24 V DC channels. It reads sink or source field contacts and sensors and transfers their on/off states to the S7-1200 user program.
      • What is the specific function of 6ES7221-1BF32-0XB0?
        The compact module adds discrete inputs for machine interlocks, limit switches, pushbuttons, proximity sensors, and equipment-status contacts.
      • Which signals, power, or data does 6ES7221-1BF32-0XB0 handle?
        Module: SM 1221. Digital inputs: 8. Input voltage: 24 V DC. Wiring behavior: Sink/source.
      • Which system uses 6ES7221-1BF32-0XB0?
        6ES7221-1BF32-0XB0 belongs to the SIMATIC S7-1200 context described in the cited Siemens source.
      • Which components are compatible with 6ES7221-1BF32-0XB0?
        SIMATIC S7-1200 CPU and expansion configuration supporting SM 1221 24 V DC sensors and contacts wired to the documented sink/source circuit TIA Portal hardware configuration matching the installed module
      • Where is 6ES7221-1BF32-0XB0 applied?
        Machine interlocks: Read guards, limits, and permissive contacts. Sensor expansion: Add eight digital proximity or photoelectric signals. Equipment status: Collect relay contacts and operating feedback.
      • What is the lifecycle status of 6ES7221-1BF32-0XB0?
        Siemens lists the module as active at the time of review and publishes a planned phase-out date of 1 November 2026; reconfirm before ordering.
      • What must be checked before installing 6ES7221-1BF32-0XB0?
        Verify sink/source wiring and common references Observe the 24 V DC permissible range Update and back up the TIA Portal project Use the correct front connector Test input LEDs and PLC tags channel by channel
      Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, modules and cards, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
      Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

      You May Also Like

      Product Browsing History

      We’re Here When You Need Us

      From product insights to customer service needs, our experienced service team will focus on getting you what you need quickly
      Contact Us

      Enquire

      Complete our online form.
      CONTACT >>

      Call Us

      Speak to one of our team.
      CONTACT >>

      Live Chat

      Send us a message.
      CONTACT >>