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SIEMENS S7-400 Digital Input SM 421, Efficient Signal Processing Module

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Integrate seamless machine control with this advanced Digital Input Module from SIEMENS, ensuring precise signal processing and reliable operation in industrial environments.

Manufacturer:SIEMENS

Model Number:6ES7421-7BH01-0AB0

Module Type:Digital Input

Module Capacity:16 DI

Input Voltage:24V DC

Input Delay Time:0.05 ms

Isolation:Optically Isolated

Working Temperature:-25°C to +60°C

Operating Voltage:230V AC or 460V 3 Phase

Network Compatibility:MPI/DP, PROFIBUS DP

Working Memory:3.2 MB

Extended Function License:Position Control

    Experience unmatched reliability and precision with our SIEMENS 6ES7421-7BH01-0AB0 Digital Input Module. Designed to enhance your industrial control systems, this module seamlessly integrates into your machinery, providing accurate signal processing for enhanced system performance.

    Featuring 16 digital inputs with optical isolation, it ensures robust signal integrity and protection against electrical interference. The 0.05 ms input delay with an alarm feature and diagnostics system offers you real-time monitoring and proactive issue detection.

    With its 2A rated current and compatibility with 24V DC power supply, this module is versatile and can be easily integrated into a wide range of industrial applications. The compact size and lightweight design make installation straightforward and space-efficient.

    Operational in temperatures ranging from -25°C to +60°C, this module is built to withstand harsh industrial conditions. Its high-quality materials ensure durability and longevity, reducing maintenance costs and downtime.

    Ease of integration with MPI/DP interfaces and support for PROFIBUS DP further enhances its utility, making it a preferred choice for complex automation systems. Whether you’re upgrading existing equipment or setting up new installations, this SIEMENS Digital Input Module offers a reliable solution tailored to meet your specific needs.

SIEMENS 6ES7421-7BH01-0AB0 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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