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Siemens S7-200 PLC, Digital Input Module, EM 221

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The Siemens SIMATIC S7-200 Digital Input Module EM 221 is a versatile and reliable component designed for industrial control systems, offering 8 digital inputs optimized for 24V DC applications.

Processor Speed:200 MHz

RAM Capacity:32 MB

Flash Memory:32 MB

Programming Languages:Ladder Diagram, Function Block Diagram

Communication Interfaces:USB, Ethernet, Profinet

Power Supply:AC/DC power supply, 85-264 VAC or 100-240 VDC

Operating Temperature:-10°C to +55°C

Storage Temperature:-25°C to +70°C

Dimensions:122 x 96 x 33 mm

    Introducing the Siemens S7-200 PLC, Digital Input Module EM 221, a robust solution designed for industrial environments. This module ensures seamless integration with various control systems, delivering accurate and responsive digital input signals.

    Featuring advanced optical isolation technology, this module enhances signal integrity and reduces noise interference, guaranteeing reliable operation under demanding conditions.

    With its compact design and durable construction, the EM 221 is perfectly suited for space-constrained applications without compromising on performance. It’s compatible with all S7-200 CPUs, making it a versatile addition to any control system.

    This module supports an impressive 8 digital inputs, enabling you to connect a wide range of sensors and switches. Its 24 V DC power supply ensures compatibility with most industrial equipment.

    Engineered for reliability, the Siemens EM 221 operates within a broad temperature range (-25°C to +60°C) and can be stored in temperatures from -40°C to +85°C, making it suitable for diverse global applications.

Siemens 6ES7222-1BF21-0XA0




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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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