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Siemens SM421 – Advanced Control Module for Industrial Automation

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The SIEMENS SM421 is a compact and versatile modular control system designed for industrial automation applications, offering seamless integration and high-performance capabilities.

Operating Voltage:DC 24V

Input Current:10mA max

Output Type:Relay, 2 NO + 2 NC

Operating Temperature:-25°C to +60°C

Environmental Rating:IP20

Communication Interface:Profinet

Power Supply:External power supply

Memory Capacity:4K Words

Processing Speed:200 ns per instruction

    The SIEMENS SM421 module is engineered for seamless integration into complex industrial automation systems, providing reliable and efficient signal processing capabilities. It is an essential component for enhancing the performance of modern manufacturing lines.

    With its robust design, the SM421 can withstand harsh industrial conditions, ensuring continuous operation in challenging environments. Its high input current handling capacity ensures accurate signal detection even under varying conditions.

    Featuring versatile communication interfaces, the module supports MPI and PROFINET protocols, enabling easy connection to a wide range of Siemens and third-party devices. This compatibility facilitates a seamless setup within existing or new automation networks.

    Each channel is equipped with advanced diagnostics, allowing for quick identification and resolution of any issues. This feature ensures minimal downtime and maximizes system uptime, contributing to overall operational efficiency.

    Manufactured by a leading provider of industrial automation solutions, the SIEMENS SM421 undergoes rigorous testing to meet stringent quality standards. Users can trust in its reliability and durability, backed by comprehensive support services for optimal performance.

SIEMENS SM421 6ES7 421-1BL01-0AA0

SIEMENS SM421 6ES7 421-1BL01-0AA0




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      Chengdu Sunshine Xihe Electric Co., Ltd. is an industrial automation equipment supply platform, specializing in providing various modules, cards, controllers, CPU control boards, touch screens, servo drives and other industrial equipment parts. The main brands include world-renowned brands ABB, A-B, GE, ICS TRIPLEX, EMERSONWOODWARDTriconex,SCHNEIDERHONEYWELL, BENTLY, FOXBORO, HIMA and other industrial control brands

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      Contact information is as follows:

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