Siemens SIMATIC S7-1200 Digital Input Module SM 1221

Product Description

This Siemens SIMATIC S7-1200 Digital Input Module SM 1221 is designed to expand the capabilities of programmable logic controllers with 8 digital inputs at 24V DC for reliable signal processing.

Product Specifications

- Manufacturer: Siemens
- Product Family: SIMATIC S7-1200
- Module Type: Digital Input Module
- Model: SM 1221
- Order Number: 6ES7221-1BF32-0XB0
- Number of Inputs: 8
- Input Voltage: 24V DC
- Functional State (FS): 06
- Firmware Version (FW): V02.00.02

Product Label Info

Model Code / Product Markings: 6ES7221-1BF32-0XB0

Order Number: 2511250034

GTIN-13: 8840801511913

Application

Ideal for connecting sensors, switches, and field devices to automation systems.

Country of Origin

This product is manufactured in Germany.

Method of Application

Integrate this module into your SIMATIC S7-1200 PLC system for enhanced input capabilities.

Safety Instructions

Operate within specified voltage range and follow standard handling guidelines.

Availability

Order now from PLC2Day, items in stock and ready for fast worldwide delivery.

Need urgent and express delivery, sourcing, or repairs? Contact us now.

Documentation

• Official datasheet or product page Siemens

Resources

Additional resources and manuals are available upon request. Contact us for details.

Internal & External Links

• All products from Siemens
• Explore similar products in Automation

Frequently Asked Questions

What is the Siemens SIMATIC S7-1200 Digital Input Module SM 1221 used for?

This part is typically used to expand input capabilities in automation systems for reliable signal processing.

What are the key advantages of Siemens SIMATIC S7-1200 Digital Input Module SM 1221?

Enhanced connectivity, reliable signal processing, and seamless integration with SIMATIC S7-1200 PLCs.

Is 6ES7221-1BF32-0XB0 compatible with my system?

If you're using Siemens control systems, especially the SIMATIC S7-1200 series, then this model will likely be compatible. Contact us to verify.

Alternatives to Siemens SIMATIC S7-1200 Digital Input Module SM 1221

Consider other digital input modules within the SIMATIC S7-1200 series for similar functionality.

Can I sell my surplus stock to PLC2DAY?

Yes, PLC2DAY accepts surplus stock for resale. Contact us for more information on surplus recovery and inventory clearance.

If you have spare parts or overstock, feel free to contact us for more information.

Need Help?

Call us at +31(0)165 20 11 80 or get in touch online.

Last Update: 22/12/2025

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