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Home>SIEMENS>Siemens 6ES7221-1BF22-0XA0 Digital inputs
Siemens 6ES7221-1BF22-0XA0 Digital inputs

Siemens 6ES7221-1BF22-0XA0 Digital inputs

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Siemens 6ES7221-1BF22-0XA0 Digital inputs
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    • Product Name: Siemens 6ES7221-1BF22-0XA0 Digital inputs
    • Item NO.: 3530542
    • Weight: 1 kg = 2.2046 lb = 35.2740 oz
    • Category: SIEMENS
    • Creation Time: 2026-01-28
    • Siemens 6ES7221-1BF22-0XA0 Digital inputs
    • The Siemens 6ES7221-1BF22-0XA0 is a digital input module from the SIMATIC S7-200 series

    Siemens 6ES7221-1BF22-0XA0 Digital inputs


    Details of the module

    Input Current (from backplane bus): 5 V DC, max. 30 mA
    Power Loss: Typ. 2 W
    Digital Inputs: 8
    Input Voltage:
    Type of input voltage: DC
    For signal "0": 0 to 5 V
    For signal "1": +15 to +30 V
    Input Current (for signal "1"): Typ. 4 mA
    Dimensions:
    Width: 46 mm
    Height: 80 mm
    Depth: 62 mm
    Weight: .150 g

    The Siemens 6ES7221-1BF22-0XA0 is a digital input module from the SIMATIC S7-200 series, designed exclusively 

    for use with S7-22X CPUs. This module offers eight digital inputs, each operating at 24 V DC and supporting both 

    sinking and sourcing configurations. The 6ES7221-1BF22-0XA0 is engineered for seamless integration into 

    industrial environments, providing reliable signal acquisition and consistent performance in demanding production 

    settings. Its robust design ensures long-term operation, while easy installation minimizes downtime for maintenance 

    or upgrades. The compact form factor of the 6ES7221-1BF22-0XA0 makes it suitable for control cabinets where space is 

    at a premium.


    Frequently asked questions:

    Q1: What is the Siemens 6ES7221-1BF22-0XA0 used for?
    A: It is used as a digital input module to acquire signals from field devices for Siemens S7-200 PLCs.
    Q2: How many digital inputs does this module support?
    A: It supports 8 digital inputs.
    Q3: Is this module compatible with Siemens S7-200 PLCs?
    A: Yes, it is designed specifically for S7-200 series PLCs.


    Extra Discount - Contact Lisa Lin

    :+86 18965423501     :sales7@amikon.cn     :AMKPLC




    Supporting services
    →One year warranty               
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    →Brand new and original                 
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    →Ship to you in 3 days after payment


    Major Business
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    Schneider: 140 Series


    Professional team
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    24/7 hours service.Deal your request for any PLC DCS products promptly, patiently and professionally.
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    Ensure that there are no quality problems in the products.All products will be examed before shipment.
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    Careful checking the goods listing and careful packing, shipping goods in time.
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    Full-time after-sales service team, under the sales department, the user can put the timely response to 

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