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SIEMENS S7-300 Digital Input Module SM 321 – 6ES7321-1CH00-0AA0, High Performance Control Solutions

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A compact and versatile digital input module designed for efficient signal processing in industrial automation systems.

Number of Inputs:16

Input Voltage Range:24-48 V AC/DC

Current Rating:250 mA

Signal Type:Optically Isolated

Connection Type:Single-rooted

Pin Count:20-pin

Temperature Range:-25°C to +70°C

Conformal Coating:Yes

Compliance:EN50155

    The SIEMENS SIMATIC S7-300 Digital Input Module SM 321 – 6ES7321-1CH00-0AA0 is a critical component in industrial control systems, offering unparalleled reliability and precision in handling digital input signals. With its robust design, this module is capable of monitoring and controlling processes with accuracy and efficiency.

    Featuring 16 isolated digital inputs, it ensures that each signal is processed independently, minimizing interference and enhancing system stability. The module supports a wide voltage range of 24-48 V AC/DC, making it suitable for a broad spectrum of industrial applications.

    Optically isolated connections prevent ground loops, ensuring immunity to electrical noise and maintaining signal integrity over long distances. The single-rooted connection facilitates straightforward integration into existing systems, simplifying installation and maintenance.

    Engineered for harsh industrial environments, this module operates reliably within temperatures ranging from -25°C to +70°C. Its conformal coating provides additional protection against moisture and dust, ensuring consistent performance even under challenging conditions.

    Certified to meet the stringent requirements of EN50155, the module is designed for use in rail vehicles and other mobile applications, ensuring compliance with industry standards for safety and quality.

SIEMENS 6ES7321-1CH00-0AA0 Digital input SM 321




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    About Us----Greens Automation

    We are a leading supplier in the industrial automation industry, specializing in providing high-quality DCS, PLC, robotic control systems, and large servo system spare parts. With a comprehensive range of products and a commitment to excellence, we empower businesses to achieve smarter, more efficient operations through cutting-edge automation solutions.

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    Petrochemical: Provides explosion-proof spare parts to meet safety requirements in harsh environments.
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    Rail transit: Ensure the reliable operation of signal control system and protect the safety of travel.

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