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SIEMENS S7-400 Digital Input Module SM 421, 6ES7421-1BL01-0AA0

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The SIEMENS 6ES7421-1BL01-0AA0 Digital Input SM 421 Control Module is a high-performance component designed for industrial automation systems, offering precise control and reliable data acquisition.

Manufacturer:SIEMENS

Model:6ES7421-1BL01-0AA0

Module Type:Digital Input

Operating Temperature:-25…+60 °C

Supply Voltage:24V DC

Number of Inputs:32

Signal Isolation:Optic

Dimensions (WxHxD):23,10 x 30,10 x 3,80 cm

Weight:0.757 kg

    Integrating advanced technology from SIEMENS, the 6ES7421-1BL01-0AA0 Digital Input SM 421 Control Module is designed to meet the stringent demands of modern industrial automation environments.

    This robust module is equipped with 32 digital inputs, each meticulously isolated using optical technology to prevent interference and ensure reliable operation in harsh conditions.

    Operational in a wide temperature range from -25°C to +60°C, it ensures continuous performance across various industrial settings, making it suitable for a broad spectrum of applications.

    The module’s compact design allows for easy integration into existing systems without compromising on functionality or performance, optimizing space and resource management.

    With its compatibility with PROFINET PROFIsafe communication protocol, this module seamlessly integrates with other SIEMENS products, facilitating efficient data exchange and control within a networked system.

SIEMENS 6ES7421-1BL01-0AA0 digital input SM 421




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      Shenzhen Changxin Automation Equipment Co., Ltd. is committed to becoming a leading supplier and wholesaler of industrial automation products in the international market. We focus on providing one-stop industrial automation product supply chain services for military enterprises, power plants, oil and gas, automobile manufacturers, railways, petrochemicals and other industries. As a professional supplier of industrial products, we cover PLC, DCS, safety barriers, sensors and switches, low-voltage power distribution, valve positioners, control cabinets, inverters, industrial connections, actuator control boards, industrial communications, I/A & I/O systems, instruments, solenoid valves, combustion control, electronic components and other products. Our business scope includes various well-known brands of industrial automation engineering equipment, spare parts and system integration. Our purpose is to provide customers with reliable and feasible product solutions, and always adhere to the principles of customer first, honest management, mutual benefit and win-win.

      Our advantages

      Fast delivery: We have a professional warehousing and logistics team to ensure that your order is shipped quickly

      Guaranteed authenticity: All our products are genuine and licensed

      Favorable prices: We can purchase directly from overseas, reduce middlemen, and allow you to buy products at a preferential price

      Quality assurance: All our products are strictly inspected to ensure excellent quality

      Perfect after-sales service: We provide perfect after-sales service and one-year warranty.

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