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SIEMENS SM1221 Digital Input Module, 1221 Series, Programmable Logic Controller System

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The SIEMENS SM1221 Digital Input Module is a compact, reliable component of the 1221 series designed for seamless integration into programmable logic controller (PLC) systems. Ideal for industrial automation applications, it offers high-speed data acquisition and robust performance.

Model:6ES7221-1BF32-0XB0

Manufacturer:SIEMENS

Module Type:SM1221 Digital Input

Application:Industrial Automation Systems

Power Supply:24V DC

Input Capacity:16 Channels

Input Type:Digital

Operating Temperature:-25°C to +60°C

Size (WxHxD):88 x 22 x 125 mm

Weight:0.18 kg

Communication Interface:Profinet

Safety Compliance:Ex certified

Memory Capacity:128 KB

Programming Language:Ladder Diagram, Function Block Diagram

    The SIEMENS S7-1200 Digital Input Module SM 1221, equipped with advanced technology, offers unparalleled reliability and efficiency for industrial applications. This compact module is specifically engineered for seamless integration into diverse automation systems, enhancing operational precision and flexibility.

    Featuring 16 digital inputs, it supports versatile control scenarios, enabling users to manage complex processes with ease. The robust design withstands challenging industrial environments, ensuring consistent performance under extreme temperatures ranging from -25°C to +60°C.

    With its built-in Profinet interface, the module seamlessly connects to a wide range of automation networks, facilitating real-time data exchange and control. Its compact size and lightweight construction make it highly portable and easy to install, minimizing space requirements on the factory floor.

    Crafted from high-quality materials, this module is built to last, offering exceptional durability and reliability throughout its lifecycle. It’s compatible with all S7-1200 CPUs, ensuring compatibility and ease of integration with existing systems.

    User-friendly and intuitive, the SIEMENS S7-1200 Digital Input Module SM 1221 simplifies the setup and maintenance process, allowing operators to focus on optimizing production workflows. Backed by SIEMENS’ commitment to quality and support, this module is an essential component for modern industrial automation.

SIEMENS 6ES7221-1BF32-0XB0 Digital input SM 1221




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      Chengdu Sunshine Xihe Electric Co., Ltd. is a professional supplier of industrial products. We cover a variety of products such as PLC, DCS, safety barriers, sensors and switches, low-voltage power distribution, valve positioners, control cabinets, frequency converters, industrial connections, actuator control panels, industrial communications, I/A & I/O systems, instruments, solenoid valves, combustion control, electronic components, etc. Our business scope includes industrial automation engineering equipment, spare parts and system integration of various well-known brands. Our aim is to provide customers with reliable and feasible product solutions, and we always adhere to the principles of customer first, honest management, mutual benefit and win-win.

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