Siemens 6ES7221-1BF22-0XA8 SIMATIC S7-200 CN EM 221 Digital Input Module, 8 DI, 24V DC Original Brand New

Overview

Siemens 6ES7221-1BF22-0XA8 is a SIMATIC S7-200 CN Digital Input Module EM 221, specifically designed for use with S7-22X CPU controllers. This module features 8 digital inputs operating at 24 V DC, supporting both sinking and sourcing input types, making it highly versatile for industrial automation applications.

Manufactured under Siemens’ trusted SIMATIC range, this S7-200 CN module is engineered for reliable signal acquisition in control systems and holds CE approval, ensuring compliance with essential European standards.

Key Functions & Features

• 8 Digital Inputs: Adds eight additional input points to your existing PLC configuration.

• Sinking/Sourcing Logic: Offers versatile wiring options to match your specific field device requirements.

• 24V DC Operation: Standardized industrial voltage for compatibility with most sensors and switches.

• Plug-and-Play Integration: Designed for rapid connection to S7-22X CPUs via the expansion bus.

Technical Benefit

• Optimized Space: The compact design ensures that adding I/O doesn't significantly increase the footprint of your control cabinet.

• Cost-Effective Expansion: The CN series provides a budget-friendly solution for localized industrial applications requiring CE certification.

• Reliability: Built to Siemens’ rigorous quality standards for long-term operational stability.

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