Siemens 6ES7221-1BF22-0XA0 Digital Input Module – High Reliability Industrial Automation
The Siemens 6ES7221-1BF22-0XA0 Digital Input Module is specifically designed for the Siemens S7-200 series of programmable logic controllers. This high-quality digital input module supports up to 8 channels of optically isolated digital inputs, making it an essential component for industrial automation systems requiring precise and reliable signal processing.
Model:6ES7221-1BF22-0XA0
Brand:Siemens
Type:Digital Input Module
Number of Inputs:8
Input Voltage:24 V DC
Current per Input:0.5 A
Isolation:Optical Isolation
Weight:0.180 Kg
Dimensions:9.90 x 19.90 x 6.80 cm
The Siemens 6ES7221-1BF22-0XA0 Digital Input Module is designed to provide robust and reliable performance in various industrial environments. With its 16-channel capacity, this module can handle up to 16 digital input signals simultaneously, making it an ideal choice for complex automation systems.
Each channel is equipped with optical isolation, which protects against electrical interference and enhances system reliability. This feature ensures that the digital input signals are transmitted accurately without any risk of damage due to voltage spikes or noise.
This digital input module is specifically designed for use with the SIMATIC S7-200 series controllers, ensuring seamless integration and optimal performance. Its compact size makes it easy to install in tight spaces, saving valuable cabinet real estate.
The Siemens 6ES7221-1BF22-0XA0 complies with stringent quality standards including CE and RoHS certifications, ensuring compliance with European safety and environmental regulations. It is suitable for a wide range of industrial applications where precision and reliability are paramount.
Installation is straightforward, thanks to clear labeling and user-friendly design. Regular maintenance and inspection can be easily carried out to ensure continuous operation, contributing to extended product lifespan and reduced downtime.



















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