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SIEMENS SIMATIC S7-200 CPU 221, 2kWords; DC/DC/DC Unit

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The SIEMENS SIMATIC S7-200 CPU 221 is a compact control module designed for industrial automation systems, featuring high efficiency and reliability for small-scale control applications.

Processor Type:CPU 221

Memory Capacity:2k Words

Power Supply:DC/DC/DC

Input Channels:8 Digital Input (DI)

Output Channels:6 Relay Output (DO)

Programming Language:Structured Text, Ladder Diagram

Operating Voltage Range:20.4 – 28.8 V DC

Operating Temperature:-25°C to +60°C

    This SIEMENS CPU 221 module is tailored for optimizing control systems in industrial settings, featuring a compact design that enhances space efficiency.

    Equipped with 2K words of program/data memory, it ensures ample storage for complex control programs without compromising system performance.

    Operates seamlessly on DC power supply, compatible with a wide range of industrial environments, ensuring reliability and efficiency.

    The module supports 8 digital inputs for signal acquisition and 6 relay outputs for controlling actuators, providing a robust interface between sensors and actuators.

    With its 512-state machine capacity and 2KHz counter, this CPU module can handle sophisticated control logic and timing tasks efficiently, making it ideal for precise automation processes.

    Ladder Logic programming allows for easy creation and modification of control programs, facilitating quick adaptation to different automation requirements.

SIEMENS 6ES7211-0AA20-0XB0 CPU 221, 2kWords; DC/DC/DC




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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.

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

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

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