Siemens SIMATIC S7-1200 G2 Digital Input Module SM 1221 DC - 6ES7221-1BH50-0XB0

Product Description

This Siemens SIMATIC S7-1200 G2 digital input module, model SM 1221 DC, is designed to expand the I/O capabilities of the S7-1200 PLC series, providing 16 digital inputs for 24V DC signals in industrial automation applications.

Product Specifications

- Manufacturer: Siemens
- Product Family: SIMATIC S7-1200 G2
- Module Type: SM 1221 DC Digital Input Module
- Order Number: 6ES7221-1BH50-0XB0
- Inputs: 16 digital inputs
- Input Voltage: 24V DC
- Input Current: 5.5 mA per point
- Functional State (FS): 01
- Operating Temperature (Horizontal): -20°C to 60°C
- Operating Temperature (Vertical): -20°C to 50°C
- Certifications: CE, UL, Ex, UKCA, EAC

Product Label Info

Model Code / Product Markings: 6ES7221-1BH50-0XB0

Application

This digital input module supports a wide range of industrial automation environments and equipment.

Country of Origin

This product is manufactured in Germany.

Method of Application

Follow standard installation guidelines for integrating this module into your automation system.

Safety Instructions

Handle and operate this module within the specified voltage range and follow recommended safety guidelines.

Availability

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

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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 G2 Digital Input Module used for?

This part is typically used in industrial automation environments, such as manufacturing plants. It handles digital input signals and is known for its reliability and performance.

What are the key advantages of the Siemens SIMATIC S7-1200 G2 Digital Input Module?

It offers high-quality digital input capabilities, easy integration, and compatibility with Siemens control systems.

Is 6ES7221-1BH50-0XB0 compatible with my system?

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

Alternatives to 6ES7221-1BH50-0XB0

If you're looking for a similar part, consider exploring other Siemens digital input modules that meet your specific requirements.

Can I sell my surplus stock to PLC2DAY?

Yes, absolutely. Contact us for more information on selling surplus stock or overstock items.

Need Help?

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Last Update: 22/12/2025

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