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Siemens S7-200 Series Digital Input Module EM 221, Optical Isolated 8DI

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The Siemens SIMATIC S7-200 Digital Input Module EM 221 is an optically isolated digital input device designed specifically for use with S7-21X CPUs. This module supports 8 digital inputs at 24V DC, offering precise control and signal processing capabilities for industrial automation systems.

SKU: 2746018
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Email: abbdcs36@gmail.com
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Type:Digital Input Module

Model:EM 221

Number of Inputs:8

Input Voltage:24V DC

Isolation Type:Optical

Application Compatibility:S7-21X CPUs

Dimensions:9,10 x 12,10 x 6,80 mm

Weight:0.226 kg

Discontinued:Yes

    This Siemens module stands out with its advanced optical isolation technology, ensuring reliable signal transmission even in harsh industrial environments. It’s designed to provide seamless integration with S7-21X CPUs, enhancing system efficiency and reliability.

    The 8 digital inputs are equipped to handle diverse industrial signals, from machine status monitoring to control commands, making it versatile for various automation tasks. Its 24V DC operation ensures compatibility with a wide range of industrial power supplies.

    Optical isolation prevents electrical interference and ensures safety by preventing ground loops, which can lead to system malfunctions. This feature is particularly valuable in applications where high reliability and safety standards are required.

    With its compact size and lightweight design, this module is easy to install and integrate into existing control systems without significantly increasing the overall system footprint or weight. It’s an ideal solution for space-constrained industrial automation setups.

    Despite being discontinued, the Siemens SIMATIC S7-200 Digital Input Module EM 221 continues to offer a legacy of robust performance and reliability. For users seeking to maintain their existing infrastructure, this module provides a cost-effective and efficient upgrade option.

Siemens 6ES7221-1BF00-0XA0

Siemens 6ES7221-1BF00-0XA0

Siemens 6ES7221-1BF00-0XA0




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