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SIEMENS 6ES5521-8MA21: Reliable Communications Module for Industrial Automation

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The SIEMENS Simatic S5 CP 521 Communication Module 6ES5521-8MA21 is a serial interface processor designed for seamless integration into the S5-90U/95U/-100U, ET 200U systems, enhancing communication capabilities and efficiency in industrial automation environments.

Model Number:6ES5521-8MA21

Manufacturer:SIEMENS

Dimensions (mm):144 x 135 x 55

Weight (kg):0.332

Compatibility:S5-90U/95U/-100U, ET 200U

Communication Protocol:SI COMMUNICATIONS

Operating Temperature:-20°C to +60°C

Storage Temperature:-40°C to +70°C

Power Supply:DC 24V

Number of Channels:N/A

Data Transfer Rate:N/A

    The SIEMENS Simatic S5, CP 521 Communication Module is engineered to deliver high-performance serial data transfer capabilities essential for modern industrial automation. Its compact size and robust design ensure easy integration into existing systems, minimizing installation complexity.

    Equipped with advanced communication protocols, this module facilitates smooth data exchange between various devices within the industrial environment, enhancing operational efficiency and reducing downtime.

    With a wide operating temperature range of -20°C to +60°C, the module ensures reliable performance in diverse environments, from cold warehouses to hot manufacturing floors.

    Featuring compatibility with popular Siemens S5 PLC series and ET 200U components, the CP 521 provides a seamless connection option for upgrading or expanding legacy systems without major overhauls.

    Engineered with durability in mind, the module’s sturdy construction and temperature-resistant materials guarantee long-lasting performance, ensuring minimal maintenance requirements and maximizing system uptime.

SIEMENS 6ES5521-8MA21  Communications Module




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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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