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Marvo Stock ID MV-11UQ
HS Code 85389091
SKU 6ES7221-1BF22-0XA0
Condition Refurbished
Category PLC Systems
Warranty 12 months
Weight (kg) 3.00
Length (mm) 320.00
Width (mm) 250.00
Height (mm) 250.00
EAN 4025515162469

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Specification & Description

Specification Description
Part Number 6ES7221-1BF22-0XA0
Alternative Part Number 6ES72211BF220XA0
Manufacturer Siemens
Part Category PLC Systems
Part Family Simatic S7
Number of Digital Inputs 8
Input Voltage Type DC
Rated Input Voltage 24 V DC
Signal "0" Voltage Range 0 to 5 V
Signal "1" Voltage Range 15 to 30 V
Input Current for Signal "1" 4 mA (typical)
Input Delay (0 to 1) 4.5 ms (max)
Cable Length (shielded) 500 m (max)
Cable Length (unshielded) 300 m (max)
Connectable Encoders 2-wire sensor
Permissible Quiescent Current 1 mA (max)
Galvanic Isolation Yes (Optocoupler)
Channels Grouping In groups of 4
Connection Method Plug-in I/O terminals
Dimensions (W x H x D) 46 mm x 80 mm x 62 mm
Weight 150 g (approx.)

Introducing the Siemens 6ES7221-1BF22-0XA0 Digital Input Module, a high-quality and reliable component designed specifically for use with the S7-22X CPU in Simatic S7 PLC systems. This versatile module offers 8 digital inputs, operating at 24V DC, with both sink and source input capabilities.

The 6ES7221-1BF22-0XA0 module is equipped with a potential separation feature, utilising optocouplers for enhanced safety and performance. The module supports connection to 2-wire sensors and offers a maximum permissible quiescent current of 1 mA. With a compact design measuring 46mm in width, 80mm in height, and 62mm in depth, this module is an ideal choice for space-conscious applications.

Featuring plug-in I/O terminals for easy installation and maintenance, the Siemens 6ES7221-1BF22-0XA0 Digital Input Module is built to deliver consistent performance in a wide range of industrial automation settings. Trust in Siemens' engineering expertise and enhance your PLC system with this reliable and efficient digital input module.

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.

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We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

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Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Frequently Asked Questions

What is the input voltage range for this digital input module?

The Siemens 6ES7221-1BF22-0XA0 digital input module has an input voltage range of 0 to 5 V for signal '0' and 15 to 30 V for signal '1'.

How many digital inputs does this module have?

The Siemens 6ES7221-1BF22-0XA0 digital input module has 8 digital inputs.

Is this module compatible with 2-wire sensors?

Yes, the Siemens 6ES7221-1BF22-0XA0 digital input module is compatible with 2-wire sensors.

What is the maximum permissible quiescent current for 2-wire sensors?

The maximum permissible quiescent current for 2-wire sensors connected to the Siemens 6ES7221-1BF22-0XA0 digital input module is 1 mA.

Does this module have galvanic isolation?

Yes, the Siemens 6ES7221-1BF22-0XA0 digital input module has galvanic isolation provided by optocouplers. The isolation is between the channels, in groups of 4.

What is the maximum cable length for shielded and unshielded cables?

For the Siemens 6ES7221-1BF22-0XA0 digital input module, the maximum cable length is 500 m for shielded cables and 300 m for unshielded cables.

What are the dimensions and weight of this module?

The Siemens 6ES7221-1BF22-0XA0 digital input module has dimensions of 46 mm width, 80 mm height, and 62 mm depth. The approximate weight is 150 g.

What is the input delay for this module?

The input delay for the Siemens 6ES7221-1BF22-0XA0 digital input module, at rated value of input voltage, is a maximum of 4.5 ms for standard inputs when transitioning from '0' to '1'.

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Part conditions explained


We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:

New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.